[INFO] cloning repository https://github.com/MustSeeMelons/rust-speaker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MustSeeMelons/rust-speaker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMustSeeMelons%2Frust-speaker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMustSeeMelons%2Frust-speaker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57cb8dbd253739e945b0ce8a20b4d8613d7929c4
[INFO] testing MustSeeMelons/rust-speaker against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMustSeeMelons%2Frust-speaker" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MustSeeMelons/rust-speaker on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MustSeeMelons/rust-speaker
[INFO] finished tweaking git repo https://github.com/MustSeeMelons/rust-speaker
[INFO] tweaked toml for git repo https://github.com/MustSeeMelons/rust-speaker written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/MustSeeMelons/rust-speaker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded js-sys v0.3.49
[INFO] [stderr]   Downloaded clang-sys v1.1.1
[INFO] [stderr]   Downloaded web-sys v0.3.49
[INFO] [stderr]   Downloaded libc v0.2.89
[INFO] [stderr]   Downloaded play v0.5.3
[INFO] [stderr]   Downloaded out123-sys v0.5.0
[INFO] [stderr]   Downloaded cpal v0.13.2
[INFO] [stderr]   Downloaded mpg123-sys v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 78963862b5a21626e39865c16f9bfeded0c7bdb1aaf756fd455bdfe793a1f219
[INFO] running `Command { std: "docker" "start" "-a" "78963862b5a21626e39865c16f9bfeded0c7bdb1aaf756fd455bdfe793a1f219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78963862b5a21626e39865c16f9bfeded0c7bdb1aaf756fd455bdfe793a1f219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78963862b5a21626e39865c16f9bfeded0c7bdb1aaf756fd455bdfe793a1f219", kill_on_drop: false }`
[INFO] [stdout] 78963862b5a21626e39865c16f9bfeded0c7bdb1aaf756fd455bdfe793a1f219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e250d9b877d949f7ad3f23c6461ef30695973f84328526e62de2b5e358ca9a2
[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" "9e250d9b877d949f7ad3f23c6461ef30695973f84328526e62de2b5e358ca9a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling cpal v0.13.2
[INFO] [stderr]    Compiling mpg123-sys v0.6.0
[INFO] [stderr]    Compiling out123-sys v0.5.0
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling rppal v0.11.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling minimp3 v0.5.1
[INFO] [stderr]    Compiling rodio v0.13.0
[INFO] [stderr]    Compiling play v0.5.3
[INFO] [stderr]    Compiling fancy-wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rodio::Source`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rodio::Source;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream_handle`
[INFO] [stdout]   --> src/main.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let (_stream, stream_handle) = rodio::OutputStream::try_default().unwrap();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_handle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "9e250d9b877d949f7ad3f23c6461ef30695973f84328526e62de2b5e358ca9a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e250d9b877d949f7ad3f23c6461ef30695973f84328526e62de2b5e358ca9a2", kill_on_drop: false }`
[INFO] [stdout] 9e250d9b877d949f7ad3f23c6461ef30695973f84328526e62de2b5e358ca9a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5802db0eece887335e3d2528117c839c23e81b1015f09daabc71fb645297130
[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" "d5802db0eece887335e3d2528117c839c23e81b1015f09daabc71fb645297130", kill_on_drop: false }`
[INFO] [stderr]    Compiling fancy-wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rodio::Source`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rodio::Source;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufReader`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::BufReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream_handle`
[INFO] [stdout]   --> src/main.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let (_stream, stream_handle) = rodio::OutputStream::try_default().unwrap();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_handle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "d5802db0eece887335e3d2528117c839c23e81b1015f09daabc71fb645297130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5802db0eece887335e3d2528117c839c23e81b1015f09daabc71fb645297130", kill_on_drop: false }`
[INFO] [stdout] d5802db0eece887335e3d2528117c839c23e81b1015f09daabc71fb645297130
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] b813c7ee97f084ac4c237523e2a30a3bce0801f98fbd7bfd01e0de822bde891a
[INFO] running `Command { std: "docker" "start" "-a" "b813c7ee97f084ac4c237523e2a30a3bce0801f98fbd7bfd01e0de822bde891a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rodio::Source`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rodio::Source;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::BufReader`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::BufReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream_handle`
[INFO] [stderr]   --> src/main.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let (_stream, stream_handle) = rodio::OutputStream::try_default().unwrap();
[INFO] [stderr]    |                   ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_handle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fancy-wc` (bin "fancy-wc" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fancy_wc-31c539a8c8649385)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b813c7ee97f084ac4c237523e2a30a3bce0801f98fbd7bfd01e0de822bde891a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b813c7ee97f084ac4c237523e2a30a3bce0801f98fbd7bfd01e0de822bde891a", kill_on_drop: false }`
[INFO] [stdout] b813c7ee97f084ac4c237523e2a30a3bce0801f98fbd7bfd01e0de822bde891a