Main: Replace the logger with log4rs

6 files changed, 188 insertions, 47 deletions

diff --git a/Cargo.lock b/Cargo.lock
index a6cd751..16016e0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -169,6 +169,11 @@ dependencies = [
 ]
 
 [[package]]
+name = "crossbeam"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "crossbeam-deque"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -390,6 +395,20 @@ dependencies = [
 ]
 
 [[package]]
+name = "flate2"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz-sys 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "fnv"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "foreign-types"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -422,6 +441,7 @@ dependencies = [
  "irc 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log4rs 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "r2d2 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "r2d2-diesel 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -670,6 +690,11 @@ dependencies = [
 ]
 
 [[package]]
+name = "linked-hash-map"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "log"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -683,6 +708,35 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "log-mdc"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "log4rs"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "antidote 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "humantime 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log-mdc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde-value 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_yaml 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "typemap 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -741,6 +795,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "miniz-sys"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cc 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.40 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "mio"
 version = "0.6.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -817,6 +880,14 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "num-traits 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "num-traits"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
@@ -852,6 +923,15 @@ dependencies = [
 ]
 
 [[package]]
+name = "ordered-float"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unreachable 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "percent-encoding"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1126,6 +1206,15 @@ version = "1.0.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "serde-value"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "ordered-float 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "serde_derive"
 version = "1.0.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1168,6 +1257,17 @@ dependencies = [
 ]
 
 [[package]]
+name = "serde_yaml"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "linked-hash-map 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "yaml-rust 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "siphasher"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1423,6 +1523,19 @@ dependencies = [
 ]
 
 [[package]]
+name = "traitobject"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "typemap"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unsafe-any 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "ucd-util"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1473,6 +1586,14 @@ source = "git+https://github.com/Jokler/unicode_names?branch=update-to-latest-un
 
 [[package]]
 name = "unreachable"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "unreachable"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
@@ -1480,6 +1601,14 @@ dependencies = [
 ]
 
 [[package]]
+name = "unsafe-any"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "url"
 version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1555,6 +1684,14 @@ dependencies = [
  "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "yaml-rust"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "linked-hash-map 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [metadata]
 "checksum adler32 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6cbd0b9af8587c72beadc9f72d35b9fbb070982c9e6203e46e93f10df25f8f45"
 "checksum aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d6531d44de723825aa81398a6415283229725a00fa30713812ab9323faa82fc4"
@@ -1578,6 +1715,7 @@ dependencies = [
 "checksum core-foundation 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "25bfd746d203017f7d5cbd31ee5d8e17f94b6521c7af77ece6c9e4b2d4b16c67"
 "checksum core-foundation-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "065a5d7ffdcbc8fa145d6f0746f3555025b9097a9e9cda59f7467abae670c78d"
 "checksum crc 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bd5d02c0aac6bd68393ed69e00bbc2457f3e89075c6349db7189618dc4ddc1d7"
+"checksum crossbeam 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "24ce9782d4d5c53674646a6a4c1863a21a8fc0cb649b3c94dfc16e45071dea19"
 "checksum crossbeam-deque 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c1bdc73742c36f7f35ebcda81dbb33a7e0d33757d03a06d9ddca762712ec5ea2"
 "checksum crossbeam-epoch 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9b4e2817eb773f770dcb294127c011e22771899c21d18fce7dd739c0b9832e81"
 "checksum crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2760899e32a1d58d5abb31129f8fae5de75220bc2176e77ff7c627ae45c918d9"
@@ -1604,6 +1742,8 @@ dependencies = [
 "checksum error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff511d5dc435d703f4971bc399647c9bc38e20cb41452e3b9feb4765419ed3f3"
 "checksum failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "934799b6c1de475a012a02dab0ace1ace43789ee4b99bcfbf1a2e3e8ced5de82"
 "checksum failure_derive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c7cdda555bb90c9bb67a3b670a0f42de8e73f5981524123ad8578aafec8ddb8b"
+"checksum flate2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9fac2277e84e5e858483756647a9d0aa8d9a2b7cba517fd84325a0aaa69a0909"
+"checksum fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2fad85553e09a6f881f739c29f0b00b0f01357c743266d478b68951ce23285f3"
 "checksum foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
 "checksum foreign-types-shared 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 "checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
@@ -1634,8 +1774,11 @@ dependencies = [
 "checksum lazycell 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a6f08839bc70ef4a3fe1d566d5350f519c5912ea86be0df1740a7d247c7fc0ef"
 "checksum libc 0.2.40 (registry+https://github.com/rust-lang/crates.io-index)" = "6fd41f331ac7c5b8ac259b8bf82c75c0fb2e469bbf37d2becbba9a6a2221965b"
 "checksum libflate 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "1a429b86418868c7ea91ee50e9170683f47fd9d94f5375438ec86ec3adb74e8e"
+"checksum linked-hash-map 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "70fb39025bc7cdd76305867c4eccf2f2dcf6e9a57f5b21a93e1c2d86cd03ec9e"
 "checksum log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
 "checksum log 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "89f010e843f2b1a31dbd316b3b8d443758bc634bed37aabade59c686d644e0a2"
+"checksum log-mdc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a94d21414c1f4a51209ad204c1776a3d0765002c76c6abcb602a6f09f1e881c7"
+"checksum log4rs 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a1f16090a553200fba94e104310b3e53e71f500fd9db7dc2143055aa3cc7ae63"
 "checksum matches 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "100aabe6b8ff4e4a7e32c1c13523379802df0772b82466207ac25b013f193376"
 "checksum memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "796fba70e76612589ed2ce7f45282f5af869e0fdd7cc6199fa1aa1f1d591ba9d"
 "checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
@@ -1643,6 +1786,7 @@ dependencies = [
 "checksum migrations_macros 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5a550cfd76f6cfdf15a7b541893d7c79b68277b0b309f12179211a373a56e617"
 "checksum mime 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e2e00e17be181010a91dbfefb01660b17311059dc8c7f48b9017677721e732bd"
 "checksum mime_guess 2.0.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)" = "130ea3c9c1b65dba905ab5a4d9ac59234a9585c24d135f264e187fe7336febbd"
+"checksum miniz-sys 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "609ce024854aeb19a0ef7567d348aaa5a746b32fb72e336df7fcc16869d7e2b4"
 "checksum mio 0.6.14 (registry+https://github.com/rust-lang/crates.io-index)" = "6d771e3ef92d58a8da8df7d6976bfca9371ed1de6619d9d5a5ce5b1f29b85bfe"
 "checksum miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f2f3b1cf331de6896aabf6e9d55dca90356cc9960cca7eaaf408a355ae919"
 "checksum mysqlclient-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "879ce08e38739c54d87b7f8332a476004fe2a095f40a142a36f889779d9942b7"
@@ -1650,10 +1794,12 @@ dependencies = [
 "checksum net2 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)" = "9044faf1413a1057267be51b5afba8eb1090bd2231c693664aa1db716fe1eae0"
 "checksum nodrop 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "9a2228dca57108069a5262f2ed8bd2e82496d2e074a06d1ccc7ce1687b6ae0a2"
 "checksum num-integer 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)" = "f8d26da319fb45674985c78f1d1caf99aa4941f785d384a2ae36d0740bc3e2fe"
+"checksum num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "92e5113e9fd4cc14ded8e499429f396a20f98c772a47cc8622a736e1ec843c31"
 "checksum num-traits 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dee092fcdf725aee04dd7da1d21debff559237d49ef1cb3e69bcb8ece44c7364"
 "checksum num_cpus 1.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c51a3322e4bca9d212ad9a158a02abc6934d005490c054a2778df73a70aa0a30"
 "checksum openssl 0.9.24 (registry+https://github.com/rust-lang/crates.io-index)" = "a3605c298474a3aa69de92d21139fb5e2a81688d308262359d85cdd0d12a7985"
 "checksum openssl-sys 0.9.27 (registry+https://github.com/rust-lang/crates.io-index)" = "d6fdc5c4a02e69ce65046f1763a0181107038e02176233acb0b3351d7cc588f9"
+"checksum ordered-float 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "58d25b6c0e47b20d05226d288ff434940296e7e2f8b877975da32f862152241f"
 "checksum percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
 "checksum phf 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)" = "cb325642290f28ee14d8c6201159949a872f220c62af6e110a56ea914fbe42fc"
 "checksum phf_codegen 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)" = "d62594c0bb54c464f633175d502038177e90309daf2e0158be42ed5f023ce88f"
@@ -1688,10 +1834,12 @@ dependencies = [
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum serde 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)" = "c70142ae874a42c70e03c63c6a49abe2ea0079b090bf6e136e99252fc1974bd6"
+"checksum serde-value 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "52903ade2290cbd61a0937a66a268f26cebf246e3ddd7964a8babb297111fb0d"
 "checksum serde_derive 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)" = "6fffe22d41dbddcead5b2c380c4714d44f2eb39292f7e7a0d966d2d45bf56408"
 "checksum serde_derive_internals 0.22.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d2f04ed291686ce195a5c8f554aaf36e50a721fbf829ee3b6151e6f85eccf945"
 "checksum serde_json 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)" = "5c508584d9913df116b91505eec55610a2f5b16e9ed793c46e4d0152872b3e74"
 "checksum serde_urlencoded 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ce0fd303af908732989354c6f02e05e2e6d597152870f2c6990efb0577137480"
+"checksum serde_yaml 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e0f868d400d9d13d00988da49f7f02aeac6ef00f11901a8c535bd59d777b9e19"
 "checksum siphasher 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "0df90a788073e8d0235a67e50441d47db7c8ad9debd91cbf43736a2a92d36537"
 "checksum slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "17b4fcaed89ab08ef143da37bc52adbcc04d4a69014f4c1208d6b51f0c47bc23"
 "checksum slab 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fdeff4cd9ecff59ec7e3744cbca73dfe5ac35c2aedb2cfba8a1c715a18912e9d"
@@ -1718,6 +1866,8 @@ dependencies = [
 "checksum tokio-tls 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "772f4b04e560117fe3b0a53e490c16ddc8ba6ec437015d91fa385564996ed913"
 "checksum tokio-udp 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "137bda266504893ac4774e0ec4c2108f7ccdbcb7ac8dced6305fe9e4e0b5041a"
 "checksum toml 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "a7540f4ffc193e0d3c94121edb19b055670d369f77d5804db11ae053a45b6e7e"
+"checksum traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "efd1f82c56340fdf16f2a953d7bda4f8fdffba13d93b00844c25572110b26079"
+"checksum typemap 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "653be63c80a3296da5551e1bfd2cca35227e13cdd08c6668903ae2f4f77aa1f6"
 "checksum ucd-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "fd2be2d6639d0f8fe6cdda291ad456e23629558d466e2789d2c3e9892bda285d"
 "checksum unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7f4765f83163b74f957c797ad9253caf97f103fb064d3999aea9568d09fc8a33"
 "checksum unicase 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "284b6d3db520d67fbe88fd778c21510d1b0ba4a551e5d0fbb023d33405f6de8a"
@@ -1726,7 +1876,9 @@ dependencies = [
 "checksum unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum unicode_names 0.1.7 (git+https://github.com/Jokler/unicode_names?branch=update-to-latest-unicode)" = "<none>"
+"checksum unreachable 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1f2ae5ddb18e1c92664717616dd9549dde73f539f01bd7b77c2edb2446bdff91"
 "checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
+"checksum unsafe-any 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f30360d7979f5e9c6e6cea48af192ea8fab4afb3cf72597154b8f08935bc9c7f"
 "checksum url 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f808aadd8cfec6ef90e4a14eb46f24511824d1ac596b9682703c87056c8678b7"
 "checksum utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "662fab6525a98beff2921d7f61a39e7d59e0b425ebc7d0d9e66d316e55124122"
 "checksum uuid 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bcc7e3b898aa6f6c08e5295b6c89258d1331e9ac578cc992fb818759951bdc22"
@@ -1739,3 +1891,4 @@ dependencies = [
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 "checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
+"checksum yaml-rust 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "57ab38ee1a4a266ed033496cf9af1828d8d6e6c1cfa5f643a2809effcae4d628"
diff --git a/Cargo.toml b/Cargo.toml
index 6149e97..75c9abe 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,6 +40,7 @@ circular-queue  = "0.2.0"
 failure         = "0.1.1"
 htmlescape      = "0.3.1"
 antidote        = "1.0.0"
+log4rs          = "0.8.0"
 
 frippy_derive = { path = "frippy_derive" }
 
diff --git a/log.yml b/log.yml
new file mode 100644
index 0000000..f4794d8
--- /dev/null
+++ b/log.yml
@@ -0,0 +1,15 @@
+# Read https://docs.rs/log4rs/0.8.0/log4rs/file/index.html for more information on how to use this file
+refresh_rate: 5 minutes
+
+appenders:
+    stdout:
+        kind: console
+        encoder:
+            kind: pattern
+            pattern: "[{d:35}](({h({l})})) {t} - {m}{n}"
+
+loggers:
+    frippy:
+        level: info
+        appenders:
+            - stdout
diff --git a/src/lib.rs b/src/lib.rs
index 67a99d0..0e14e42 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -258,7 +258,9 @@ impl ThreadedPlugins {
                         .spawn(move || {
                             if let Err(e) = plugin.execute_threaded(&client, &message) {
                                 log_error(e);
-                            };
+                            } else {
+                                debug!("{} sent response from thread", plugin.name());
+                            }
                         })
                         .context(ErrorKind::ThreadSpawn)
                     {
diff --git a/src/main.rs b/src/main.rs
index 3660ccd..aae6035 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,6 +4,7 @@
 extern crate frippy;
 extern crate glob;
 extern crate irc;
+extern crate log4rs;
 extern crate time;
 
 #[cfg(feature = "mysql")]
@@ -21,7 +22,6 @@ extern crate failure;
 #[macro_use]
 extern crate log;
 
-use log::{Level, LevelFilter, Metadata, Record};
 use std::collections::HashMap;
 #[cfg(feature = "mysql")]
 use std::sync::Arc;
@@ -44,58 +44,27 @@ use frippy::Config;
 #[cfg(feature = "mysql")]
 embed_migrations!();
 
-struct Logger;
-
-impl log::Log for Logger {
-    fn enabled(&self, metadata: &Metadata) -> bool {
-        metadata.target().contains("frippy")
-    }
-
-    fn log(&self, record: &Record) {
-        if self.enabled(record.metadata()) {
-            if record.metadata().level() >= Level::Debug {
-                println!(
-                    "[{}]({}) {} -> {}",
-                    time::now().rfc822(),
-                    record.level(),
-                    record.target(),
-                    record.args()
-                );
-            } else {
-                println!(
-                    "[{}]({}) {}",
-                    time::now().rfc822(),
-                    record.level(),
-                    record.args()
-                );
-            }
+fn main() {
+    if let Err(e) = log4rs::init_file("log.yml", Default::default()) {
+        use log4rs::Error;
+        match e {
+            Error::Log(e) => eprintln!("Log4rs error: {}", e),
+            Error::Log4rs(e) => eprintln!("Failed to parse \"log.yml\" as log4rs config: {}", e),
         }
-    }
 
-    fn flush(&self) {}
-}
-
-static LOGGER: Logger = Logger;
+        return;
+    }
 
-fn main() {
     // Print any errors that caused frippy to shut down
     if let Err(e) = run() {
         let text = e.causes()
             .skip(1)
             .fold(format!("{}", e), |acc, err| format!("{}: {}", acc, err));
         error!("{}", text);
-    };
+    }
 }
 
 fn run() -> Result<(), Error> {
-    log::set_max_level(if cfg!(debug_assertions) {
-        LevelFilter::Debug
-    } else {
-        LevelFilter::Info
-    });
-
-    log::set_logger(&LOGGER).unwrap();
-
     // Load all toml files in the configs directory
     let mut configs = Vec::new();
     for toml in glob("configs/*.toml").unwrap() {
diff --git a/src/plugins/url.rs b/src/plugins/url.rs
index a54cabf..1ea6c9c 100644
--- a/src/plugins/url.rs
+++ b/src/plugins/url.rs
@@ -55,8 +55,7 @@ impl Title {
             .and_then(|s| s.and_then(|s| s))
             .ok_or(ErrorKind::MissingTitle)?;
 
-        debug!("delimiters: {:?}", delimiters);
-        debug!("title: {:?}", title);
+        debug!("Found title {:?} with delimiters {:?}", title, delimiters);
 
         htmlescape::decode_html(title)
             .map(|t| t.into())
@@ -132,7 +131,7 @@ impl UrlTitles {
                 } else {
                     og_title
                 }
-            },
+            }
             (Ok(title), _) => title,
             (_, Ok(title)) => title,
             (Err(e), _) => Err(e)?,
@@ -159,7 +158,7 @@ impl Plugin for UrlTitles {
     }
 
     fn execute_threaded(&self, client: &IrcClient, message: &Message) -> Result<(), FrippyError> {
-        Ok(match message.command {
+        match message.command {
             Command::PRIVMSG(_, ref content) => match self.url(content) {
                 Ok(title) => client
                     .send_privmsg(message.response_target().unwrap(), &title)
@@ -167,7 +166,9 @@ impl Plugin for UrlTitles {
                 Err(e) => Err(e).context(FrippyErrorKind::Url)?,
             },
             _ => (),
-        })
+        }
+
+        Ok(())
     }
 
     fn command(&self, client: &IrcClient, command: PluginCommand) -> Result<(), FrippyError> {