[INFO] fetching crate linux-audio 0.1.0...
[INFO] testing linux-audio-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate linux-audio 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate linux-audio 0.1.0
[INFO] finished tweaking crates.io crate linux-audio 0.1.0
[INFO] tweaked toml for crates.io crate linux-audio 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate linux-audio 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate linux-audio 0.1.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linux-io v0.12.0
[INFO] [stderr]   Downloaded linux-unsafe v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c71dcd5073a52742deaca7b7789a471a14e719ac328d40a42ae083a3ace7c296
[INFO] running `Command { std: "docker" "start" "-a" "c71dcd5073a52742deaca7b7789a471a14e719ac328d40a42ae083a3ace7c296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c71dcd5073a52742deaca7b7789a471a14e719ac328d40a42ae083a3ace7c296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71dcd5073a52742deaca7b7789a471a14e719ac328d40a42ae083a3ace7c296", kill_on_drop: false }`
[INFO] [stdout] c71dcd5073a52742deaca7b7789a471a14e719ac328d40a42ae083a3ace7c296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6f4f70f5dec2e05f52c5a3e3bbe0718c3b0589f007c2f3de0ffacc085d31318
[INFO] running `Command { std: "docker" "start" "-a" "a6f4f70f5dec2e05f52c5a3e3bbe0718c3b0589f007c2f3de0ffacc085d31318", kill_on_drop: false }`
[INFO] [stderr]    Compiling linux-unsafe v0.12.0
[INFO] [stderr]    Compiling linux-io v0.12.0
[INFO] [stderr]    Compiling linux-audio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `IO_H` is never used
[INFO] [stdout]  --> src/ioctl.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) const IO_H: ulong = 'H' as ulong;
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IO_W` is never used
[INFO] [stdout]   --> src/ioctl.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const IO_W: ulong = 'W' as ulong;
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IO_T` is never used
[INFO] [stdout]   --> src/ioctl.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) const IO_T: ulong = 'T' as ulong;
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IO_U` is never used
[INFO] [stdout]   --> src/ioctl.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) const IO_U: ulong = 'U' as ulong;
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "a6f4f70f5dec2e05f52c5a3e3bbe0718c3b0589f007c2f3de0ffacc085d31318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6f4f70f5dec2e05f52c5a3e3bbe0718c3b0589f007c2f3de0ffacc085d31318", kill_on_drop: false }`
[INFO] [stdout] a6f4f70f5dec2e05f52c5a3e3bbe0718c3b0589f007c2f3de0ffacc085d31318
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b82259cfb895495359339f8c6fd898ede64aa96e556dd48a3d0177e8ba25503
[INFO] running `Command { std: "docker" "start" "-a" "8b82259cfb895495359339f8c6fd898ede64aa96e556dd48a3d0177e8ba25503", kill_on_drop: false }`
[INFO] [stdout] warning: constant `IO_H` is never used
[INFO] [stdout]  --> src/ioctl.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) const IO_H: ulong = 'H' as ulong;
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IO_W` is never used
[INFO] [stdout]   --> src/ioctl.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const IO_W: ulong = 'W' as ulong;
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IO_T` is never used
[INFO] [stdout]   --> src/ioctl.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) const IO_T: ulong = 'T' as ulong;
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IO_U` is never used
[INFO] [stdout]   --> src/ioctl.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) const IO_U: ulong = 'U' as ulong;
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling linux-audio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `IO_H` is never used
[INFO] [stdout]  --> src/ioctl.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) const IO_H: ulong = 'H' as ulong;
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IO_W` is never used
[INFO] [stdout]   --> src/ioctl.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) const IO_W: ulong = 'W' as ulong;
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IO_T` is never used
[INFO] [stdout]   --> src/ioctl.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) const IO_T: ulong = 'T' as ulong;
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IO_U` is never used
[INFO] [stdout]   --> src/ioctl.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub(crate) const IO_U: ulong = 'U' as ulong;
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "8b82259cfb895495359339f8c6fd898ede64aa96e556dd48a3d0177e8ba25503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b82259cfb895495359339f8c6fd898ede64aa96e556dd48a3d0177e8ba25503", kill_on_drop: false }`
[INFO] [stdout] 8b82259cfb895495359339f8c6fd898ede64aa96e556dd48a3d0177e8ba25503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8a4bd6d4a0f3a82e6b50f451691a0392ec102b3ab6b8713d97a558f9de7724c
[INFO] running `Command { std: "docker" "start" "-a" "c8a4bd6d4a0f3a82e6b50f451691a0392ec102b3ab6b8713d97a558f9de7724c", kill_on_drop: false }`
[INFO] [stderr] warning: constant `IO_H` is never used
[INFO] [stderr]  --> src/ioctl.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub(crate) const IO_H: ulong = 'H' as ulong;
[INFO] [stderr]   |                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `IO_W` is never used
[INFO] [stderr]   --> src/ioctl.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub(crate) const IO_W: ulong = 'W' as ulong;
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `IO_T` is never used
[INFO] [stderr]   --> src/ioctl.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub(crate) const IO_T: ulong = 'T' as ulong;
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `IO_U` is never used
[INFO] [stderr]   --> src/ioctl.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub(crate) const IO_U: ulong = 'U' as ulong;
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `linux-audio` (lib) generated 4 warnings
[INFO] [stderr] warning: `linux-audio` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linux_audio-a9754929837df8f8)
[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] [stderr]    Doc-tests linux_audio
[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" "c8a4bd6d4a0f3a82e6b50f451691a0392ec102b3ab6b8713d97a558f9de7724c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a4bd6d4a0f3a82e6b50f451691a0392ec102b3ab6b8713d97a558f9de7724c", kill_on_drop: false }`
[INFO] [stdout] c8a4bd6d4a0f3a82e6b50f451691a0392ec102b3ab6b8713d97a558f9de7724c