[INFO] cloning repository https://github.com/Fuzen-py/Melody
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fuzen-py/Melody" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuzen-py%2FMelody", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuzen-py%2FMelody'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1fd14def0804585c06c8785f01f49a3d4652274
[INFO] testing Fuzen-py/Melody against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuzen-py%2FMelody" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fuzen-py/Melody on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Fuzen-py/Melody
[INFO] finished tweaking git repo https://github.com/Fuzen-py/Melody
[INFO] tweaked toml for git repo https://github.com/Fuzen-py/Melody written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Fuzen-py/Melody already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded directories v1.0.2
[INFO] [stderr]   Downloaded clicolors-control v0.2.0
[INFO] [stderr]   Downloaded minimp3 v0.3.0
[INFO] [stderr]   Downloaded mach v0.2.2
[INFO] [stderr]   Downloaded slice-deque v0.1.14
[INFO] [stderr]   Downloaded console v0.6.2
[INFO] [stderr]   Downloaded tabwriter v1.1.0
[INFO] [stderr]   Downloaded indicatif v0.9.0
[INFO] [stderr]   Downloaded minimp3-sys v0.3.0
[INFO] [stderr]   Downloaded mp3-metadata v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4e4fe1ad92c7fe1f08c737d5974672432e894572267e19fa85e873076dddd7a
[INFO] running `Command { std: "docker" "start" "-a" "f4e4fe1ad92c7fe1f08c737d5974672432e894572267e19fa85e873076dddd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4e4fe1ad92c7fe1f08c737d5974672432e894572267e19fa85e873076dddd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e4fe1ad92c7fe1f08c737d5974672432e894572267e19fa85e873076dddd7a", kill_on_drop: false }`
[INFO] [stdout] f4e4fe1ad92c7fe1f08c737d5974672432e894572267e19fa85e873076dddd7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcbc165bc1599889edfaf8507f7f913342b484dad54a0d11eca9c74e65a3d69d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fcbc165bc1599889edfaf8507f7f913342b484dad54a0d11eca9c74e65a3d69d", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling mp3-metadata v0.3.0
[INFO] [stderr]    Compiling slice-deque v0.1.14
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling minimp3-sys v0.3.0
[INFO] [stderr]    Compiling clicolors-control v0.2.0
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling tabwriter v1.1.0
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling lewton v0.9.3
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling minimp3 v0.3.0
[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 indicatif v0.9.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[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/rustwide/workdir)
[INFO] [stdout] warning: the item `mp3_metadata` is imported redundantly
[INFO] [stdout]   --> src/song.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         use mp3_metadata;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | extern crate mp3_metadata;
[INFO] [stdout]    | -------------------------- the item `mp3_metadata` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:63:65
[INFO] [stdout]    |
[INFO] [stdout] 63 |         MelodyErrors::new(MelodyErrorsKind::Io(err.kind()), err.description(), None)
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/utils.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let mut tracks = pl.tracks;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> bin/melody/config.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         ::std::fs::create_dir_all(&config_file).is_ok(); // Result doesnt matter
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.43s
[INFO] running `Command { std: "docker" "inspect" "fcbc165bc1599889edfaf8507f7f913342b484dad54a0d11eca9c74e65a3d69d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcbc165bc1599889edfaf8507f7f913342b484dad54a0d11eca9c74e65a3d69d", kill_on_drop: false }`
[INFO] [stdout] fcbc165bc1599889edfaf8507f7f913342b484dad54a0d11eca9c74e65a3d69d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 752a9f1ced91156adff11448b25b83db30f47a72e09433798cdbdd61b1db3a03
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "752a9f1ced91156adff11448b25b83db30f47a72e09433798cdbdd61b1db3a03", kill_on_drop: false }`
[INFO] [stderr]    Compiling melody v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `mp3_metadata` is imported redundantly
[INFO] [stdout]   --> src/song.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         use mp3_metadata;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | extern crate mp3_metadata;
[INFO] [stdout]    | -------------------------- the item `mp3_metadata` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:63:65
[INFO] [stdout]    |
[INFO] [stdout] 63 |         MelodyErrors::new(MelodyErrorsKind::Io(err.kind()), err.description(), None)
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/utils.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let mut tracks = pl.tracks;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mp3_metadata` is imported redundantly
[INFO] [stdout]   --> src/song.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |         use mp3_metadata;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/lib.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | extern crate mp3_metadata;
[INFO] [stdout]    | -------------------------- the item `mp3_metadata` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:63:65
[INFO] [stdout]    |
[INFO] [stdout] 63 |         MelodyErrors::new(MelodyErrorsKind::Io(err.kind()), err.description(), None)
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]   --> bin/melody/config.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         ::std::fs::create_dir_all(&config_file).is_ok(); // Result doesnt matter
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/utils.rs:191:13
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let mut tracks = pl.tracks;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "752a9f1ced91156adff11448b25b83db30f47a72e09433798cdbdd61b1db3a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752a9f1ced91156adff11448b25b83db30f47a72e09433798cdbdd61b1db3a03", kill_on_drop: false }`
[INFO] [stdout] 752a9f1ced91156adff11448b25b83db30f47a72e09433798cdbdd61b1db3a03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 16aedf9a773712a55801a42d4e5fe94302f3d0eb45bda27002b80ff5d0a98650
[INFO] running `Command { std: "docker" "start" "-a" "16aedf9a773712a55801a42d4e5fe94302f3d0eb45bda27002b80ff5d0a98650", kill_on_drop: false }`
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:63:65
[INFO] [stderr]    |
[INFO] [stderr] 63 |         MelodyErrors::new(MelodyErrorsKind::Io(err.kind()), err.description(), None)
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^
[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: 4 warnings emitted
[INFO] [stderr] 
[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: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 |         f.write_str(self.description())
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:63:65
[INFO] [stderr]    |
[INFO] [stderr] 63 |         MelodyErrors::new(MelodyErrorsKind::Io(err.kind()), err.description(), None)
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^
[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: 4 warnings emitted
[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]    = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/melody-12d2a590fe892ead
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/melody-77c84f8f3f82038f
[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] [stderr]    Doc-tests melody
[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 `Command { std: "docker" "inspect" "16aedf9a773712a55801a42d4e5fe94302f3d0eb45bda27002b80ff5d0a98650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16aedf9a773712a55801a42d4e5fe94302f3d0eb45bda27002b80ff5d0a98650", kill_on_drop: false }`
[INFO] [stdout] 16aedf9a773712a55801a42d4e5fe94302f3d0eb45bda27002b80ff5d0a98650
