[INFO] updating cached repository ryan0n/irccloud-parse-logs-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ryan0n/irccloud-parse-logs-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ryan0n/irccloud-parse-logs-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/ryan0n/irccloud-parse-logs-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ryan0n/irccloud-parse-logs-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ryan0n/irccloud-parse-logs-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryan0n/irccloud-parse-logs-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryan0n/irccloud-parse-logs-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca03605b1edd3d87e0501765bd5020967a9c7060
[INFO] sha for GitHub repo ryan0n/irccloud-parse-logs-rust: ca03605b1edd3d87e0501765bd5020967a9c7060
[INFO] validating manifest of ryan0n/irccloud-parse-logs-rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ryan0n/irccloud-parse-logs-rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ryan0n/irccloud-parse-logs-rust
[INFO] finished frobbing ryan0n/irccloud-parse-logs-rust
[INFO] frobbed toml for ryan0n/irccloud-parse-logs-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/ryan0n/irccloud-parse-logs-rust/Cargo.toml
[INFO] started frobbing ryan0n/irccloud-parse-logs-rust
[INFO] finished frobbing ryan0n/irccloud-parse-logs-rust
[INFO] frobbed toml for ryan0n/irccloud-parse-logs-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryan0n/irccloud-parse-logs-rust/Cargo.toml
[INFO] crate ryan0n/irccloud-parse-logs-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ryan0n/irccloud-parse-logs-rust against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ryan0n/irccloud-parse-logs-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 7bce4c9058ae9da8d3a3249b5ad8cd838a40e90ca386078c3b0c50365d59feb9
[INFO] running `"docker" "start" "-a" "7bce4c9058ae9da8d3a3249b5ad8cd838a40e90ca386078c3b0c50365d59feb9"`
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.1.2
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling msdos_time v0.1.5
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling flate2 v1.0.1
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]    Compiling bzip2 v0.3.2
[INFO] [stderr]    Compiling zip v0.2.8
[INFO] [stderr]    Compiling irccloud-parse-logs-rust v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |                         let mut file_name = String::from(&*file.name());
[INFO] [stderr]    |                             ----^^^^^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:44:29
[INFO] [stderr]    |
[INFO] [stderr] 44 |                         let mut split_file_name = file_name.split("/");
[INFO] [stderr]    |                             ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized] target(s) in 48.10s
[INFO] running `"docker" "inspect" "7bce4c9058ae9da8d3a3249b5ad8cd838a40e90ca386078c3b0c50365d59feb9"`
[INFO] running `"docker" "rm" "-f" "7bce4c9058ae9da8d3a3249b5ad8cd838a40e90ca386078c3b0c50365d59feb9"`
[INFO] [stdout] 7bce4c9058ae9da8d3a3249b5ad8cd838a40e90ca386078c3b0c50365d59feb9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ryan0n/irccloud-parse-logs-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d82573bcbf6303e119224c26158cef967f4faa82d69ae07d00f2e443f4aa19f1
[INFO] running `"docker" "start" "-a" "d82573bcbf6303e119224c26158cef967f4faa82d69ae07d00f2e443f4aa19f1"`
[INFO] [stderr]    Compiling irccloud-parse-logs-rust v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |                         let mut file_name = String::from(&*file.name());
[INFO] [stderr]    |                             ----^^^^^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:44:29
[INFO] [stderr]    |
[INFO] [stderr] 44 |                         let mut split_file_name = file_name.split("/");
[INFO] [stderr]    |                             ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized] target(s) in 0.55s
[INFO] running `"docker" "inspect" "d82573bcbf6303e119224c26158cef967f4faa82d69ae07d00f2e443f4aa19f1"`
[INFO] running `"docker" "rm" "-f" "d82573bcbf6303e119224c26158cef967f4faa82d69ae07d00f2e443f4aa19f1"`
[INFO] [stdout] d82573bcbf6303e119224c26158cef967f4faa82d69ae07d00f2e443f4aa19f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ryan0n/irccloud-parse-logs-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4bf14c3fb7489959eea6fbdfe053551097c4807c854f87fbd23bfec7e183f084
[INFO] running `"docker" "start" "-a" "4bf14c3fb7489959eea6fbdfe053551097c4807c854f87fbd23bfec7e183f084"`
[INFO] [stderr]     Finished dev [optimized] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/irccloud_parse_logs_rust-11b21e3d6231f08e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4bf14c3fb7489959eea6fbdfe053551097c4807c854f87fbd23bfec7e183f084"`
[INFO] running `"docker" "rm" "-f" "4bf14c3fb7489959eea6fbdfe053551097c4807c854f87fbd23bfec7e183f084"`
[INFO] [stdout] 4bf14c3fb7489959eea6fbdfe053551097c4807c854f87fbd23bfec7e183f084