[INFO] cloning repository https://github.com/hikari-no-yume/mjukvarusynt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hikari-no-yume/mjukvarusynt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhikari-no-yume%2Fmjukvarusynt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhikari-no-yume%2Fmjukvarusynt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72fdc4fa3608c174871968927aa74687e6e15078
[INFO] testing hikari-no-yume/mjukvarusynt against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhikari-no-yume%2Fmjukvarusynt" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hikari-no-yume/mjukvarusynt
[INFO] finished tweaking git repo https://github.com/hikari-no-yume/mjukvarusynt
[INFO] tweaked toml for git repo https://github.com/hikari-no-yume/mjukvarusynt written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hikari-no-yume/mjukvarusynt on toolchain 7704328ba5ae8d6ce0ac303c9d5a1a1605906766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hikari-no-yume/mjukvarusynt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ee5701ad162e9685048780847497b4f8042780f34f88ddcf55f29d3907bf37a
[INFO] running `Command { std: "docker" "start" "-a" "2ee5701ad162e9685048780847497b4f8042780f34f88ddcf55f29d3907bf37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ee5701ad162e9685048780847497b4f8042780f34f88ddcf55f29d3907bf37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee5701ad162e9685048780847497b4f8042780f34f88ddcf55f29d3907bf37a", kill_on_drop: false }`
[INFO] [stdout] 2ee5701ad162e9685048780847497b4f8042780f34f88ddcf55f29d3907bf37a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34d342b32c44e846e2d96067b64f6c5a354624d41c61fbb5edd61f933dcf4208
[INFO] running `Command { std: "docker" "start" "-a" "34d342b32c44e846e2d96067b64f6c5a354624d41c61fbb5edd61f933dcf4208", kill_on_drop: false }`
[INFO] [stderr]    Compiling mjukvarusynt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     std::fs::write(format!("out-f32-mono-{}-pcm.raw", SAMPLE_RATE), unsafe {
[INFO] [stdout] 29 | |         std::slice::from_raw_parts(
[INFO] [stdout] 30 | |             audio.as_ptr() as *const u8,
[INFO] [stdout] 31 | |             audio.len() * std::mem::size_of_val(&audio[0]),
[INFO] [stdout] 32 | |         )
[INFO] [stdout] 33 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let _ = std::fs::write(format!("out-f32-mono-{}-pcm.raw", SAMPLE_RATE), unsafe {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "34d342b32c44e846e2d96067b64f6c5a354624d41c61fbb5edd61f933dcf4208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d342b32c44e846e2d96067b64f6c5a354624d41c61fbb5edd61f933dcf4208", kill_on_drop: false }`
[INFO] [stdout] 34d342b32c44e846e2d96067b64f6c5a354624d41c61fbb5edd61f933dcf4208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee310028b388ef4ba203ff2677fb8654834beca27fe8dfb1d3d900be01955a8d
[INFO] running `Command { std: "docker" "start" "-a" "ee310028b388ef4ba203ff2677fb8654834beca27fe8dfb1d3d900be01955a8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mjukvarusynt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     std::fs::write(format!("out-f32-mono-{}-pcm.raw", SAMPLE_RATE), unsafe {
[INFO] [stdout] 29 | |         std::slice::from_raw_parts(
[INFO] [stdout] 30 | |             audio.as_ptr() as *const u8,
[INFO] [stdout] 31 | |             audio.len() * std::mem::size_of_val(&audio[0]),
[INFO] [stdout] 32 | |         )
[INFO] [stdout] 33 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let _ = std::fs::write(format!("out-f32-mono-{}-pcm.raw", SAMPLE_RATE), unsafe {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "ee310028b388ef4ba203ff2677fb8654834beca27fe8dfb1d3d900be01955a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee310028b388ef4ba203ff2677fb8654834beca27fe8dfb1d3d900be01955a8d", kill_on_drop: false }`
[INFO] [stdout] ee310028b388ef4ba203ff2677fb8654834beca27fe8dfb1d3d900be01955a8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8612ff3aa326d612e2ed1950293fada8376ce0cf0937c3024e230a11c0e32a2
[INFO] running `Command { std: "docker" "start" "-a" "d8612ff3aa326d612e2ed1950293fada8376ce0cf0937c3024e230a11c0e32a2", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | /     std::fs::write(format!("out-f32-mono-{}-pcm.raw", SAMPLE_RATE), unsafe {
[INFO] [stderr] 29 | |         std::slice::from_raw_parts(
[INFO] [stderr] 30 | |             audio.as_ptr() as *const u8,
[INFO] [stderr] 31 | |             audio.len() * std::mem::size_of_val(&audio[0]),
[INFO] [stderr] 32 | |         )
[INFO] [stderr] 33 | |     });
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let _ = std::fs::write(format!("out-f32-mono-{}-pcm.raw", SAMPLE_RATE), unsafe {
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mjukvarusynt` (bin "mjukvarusynt" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mjukvarusynt-09c0d5a876443c56)
[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" "d8612ff3aa326d612e2ed1950293fada8376ce0cf0937c3024e230a11c0e32a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8612ff3aa326d612e2ed1950293fada8376ce0cf0937c3024e230a11c0e32a2", kill_on_drop: false }`
[INFO] [stdout] d8612ff3aa326d612e2ed1950293fada8376ce0cf0937c3024e230a11c0e32a2