[INFO] updating cached repository Fuzen-py/Melody
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Fuzen-py/Melody
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Fuzen-py/Melody" "work/ex/beta-1.37-6/sources/1.36.0/gh/Fuzen-py/Melody"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Fuzen-py/Melody'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Fuzen-py/Melody" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Fuzen-py/Melody"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Fuzen-py/Melody'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c1fd14def0804585c06c8785f01f49a3d4652274
[INFO] sha for GitHub repo Fuzen-py/Melody: c1fd14def0804585c06c8785f01f49a3d4652274
[INFO] validating manifest of Fuzen-py/Melody on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Fuzen-py/Melody on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Fuzen-py/Melody
[INFO] finished frobbing Fuzen-py/Melody
[INFO] frobbed toml for Fuzen-py/Melody written to work/ex/beta-1.37-6/sources/1.36.0/gh/Fuzen-py/Melody/Cargo.toml
[INFO] started frobbing Fuzen-py/Melody
[INFO] finished frobbing Fuzen-py/Melody
[INFO] frobbed toml for Fuzen-py/Melody written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Fuzen-py/Melody/Cargo.toml
[INFO] crate Fuzen-py/Melody already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Fuzen-py/Melody against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Fuzen-py/Melody:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 25c95e68c29be266dfa599cb7fb5d6a10af6e28a10e455ccd2865ac2d0ab1cfa
[INFO] running `"docker" "start" "-a" "25c95e68c29be266dfa599cb7fb5d6a10af6e28a10e455ccd2865ac2d0ab1cfa"`
[INFO] [stderr]    Compiling claxon v0.3.2
[INFO] [stderr]    Compiling mp3-metadata v0.3.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.0
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling slice-deque v0.1.14
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling clicolors-control v0.2.0
[INFO] [stderr]    Compiling tabwriter v1.1.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling toml v0.4.8
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]    Compiling lewton v0.9.3
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling minimp3 v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling rodio v0.8.1
[INFO] [stderr]    Compiling os_type v2.2.0
[INFO] [stderr]    Compiling console v0.6.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling indicatif v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling human-panic v1.0.1
[INFO] [stderr]    Compiling melody v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `mp3_metadata` is imported redundantly
[INFO] [stderr]   --> src/song.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         use mp3_metadata;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | extern crate mp3_metadata;
[INFO] [stderr]    | -------------------------- the item `mp3_metadata` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/utils.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let mut tracks = pl.tracks;
[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: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> bin/melody/config.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         ::std::fs::create_dir_all(&config_file).is_ok(); // Result doesnt matter
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `"docker" "inspect" "25c95e68c29be266dfa599cb7fb5d6a10af6e28a10e455ccd2865ac2d0ab1cfa"`
[INFO] running `"docker" "rm" "-f" "25c95e68c29be266dfa599cb7fb5d6a10af6e28a10e455ccd2865ac2d0ab1cfa"`
[INFO] [stdout] 25c95e68c29be266dfa599cb7fb5d6a10af6e28a10e455ccd2865ac2d0ab1cfa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Fuzen-py/Melody:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5a27d359fb69101102668e55b9fb24f52e52c63af96e4e09a95ac11434aaea26
[INFO] running `"docker" "start" "-a" "5a27d359fb69101102668e55b9fb24f52e52c63af96e4e09a95ac11434aaea26"`
[INFO] [stderr]    Compiling melody v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `mp3_metadata` is imported redundantly
[INFO] [stderr]   --> src/song.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |         use mp3_metadata;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | extern crate mp3_metadata;
[INFO] [stderr]    | -------------------------- the item `mp3_metadata` is already imported here
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/utils.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |         let mut tracks = pl.tracks;
[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: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]   --> bin/melody/config.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         ::std::fs::create_dir_all(&config_file).is_ok(); // Result doesnt matter
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `"docker" "inspect" "5a27d359fb69101102668e55b9fb24f52e52c63af96e4e09a95ac11434aaea26"`
[INFO] running `"docker" "rm" "-f" "5a27d359fb69101102668e55b9fb24f52e52c63af96e4e09a95ac11434aaea26"`
[INFO] [stdout] 5a27d359fb69101102668e55b9fb24f52e52c63af96e4e09a95ac11434aaea26
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Fuzen-py/Melody:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ffef6ba26831f2d0cd9361a8b48f17b1512da881c0ecf2362c2de828088731b3
[INFO] running `"docker" "start" "-a" "ffef6ba26831f2d0cd9361a8b48f17b1512da881c0ecf2362c2de828088731b3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/melody-7b227eaa5ce14e10
[INFO] [stderr]      Running /opt/crater/target/debug/deps/melody-7fa3242b55c5d961
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests melody
[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] [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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/errors.rs - errors::MelodyErrors (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ffef6ba26831f2d0cd9361a8b48f17b1512da881c0ecf2362c2de828088731b3"`
[INFO] running `"docker" "rm" "-f" "ffef6ba26831f2d0cd9361a8b48f17b1512da881c0ecf2362c2de828088731b3"`
[INFO] [stdout] ffef6ba26831f2d0cd9361a8b48f17b1512da881c0ecf2362c2de828088731b3