[INFO] cloning repository https://github.com/advil4rent/bb_alsa_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/advil4rent/bb_alsa_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadvil4rent%2Fbb_alsa_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadvil4rent%2Fbb_alsa_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5437cb5fe748cc6a6d0530b9698b0dcc32316840
[INFO] testing advil4rent/bb_alsa_rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadvil4rent%2Fbb_alsa_rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/advil4rent/bb_alsa_rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/advil4rent/bb_alsa_rs
[INFO] finished tweaking git repo https://github.com/advil4rent/bb_alsa_rs
[INFO] tweaked toml for git repo https://github.com/advil4rent/bb_alsa_rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/advil4rent/bb_alsa_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3daf6f566f1356be116ea25bc4d7fb92b87251abf030edb0c87cc4d6a67b5729
[INFO] running `Command { std: "docker" "start" "-a" "3daf6f566f1356be116ea25bc4d7fb92b87251abf030edb0c87cc4d6a67b5729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3daf6f566f1356be116ea25bc4d7fb92b87251abf030edb0c87cc4d6a67b5729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3daf6f566f1356be116ea25bc4d7fb92b87251abf030edb0c87cc4d6a67b5729", kill_on_drop: false }`
[INFO] [stdout] 3daf6f566f1356be116ea25bc4d7fb92b87251abf030edb0c87cc4d6a67b5729
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1ca620dc96814f2a9d22d5487ddf77213d60164599c3c10f00a7b201b58b7f2
[INFO] running `Command { std: "docker" "start" "-a" "d1ca620dc96814f2a9d22d5487ddf77213d60164599c3c10f00a7b201b58b7f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling alsa v0.6.0
[INFO] [stderr]    Compiling alsa_rs_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `State`
[INFO] [stdout]  --> src/main.rs:4:48
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alsa::pcm::{PCM, HwParams, Format, Access, State};
[INFO] [stdout]   |                                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:39:45
[INFO] [stdout]    |
[INFO] [stdout] 39 | ...                   } else {let io = pcm.io_f64().unwrap();};
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 | ...                   } else {let io = pcm.io_f32().unwrap();};
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:41:37
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         } else {let io = pcm.io_u32().unwrap();};
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |                     } else {let io = pcm.io_i16().unwrap();};
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 } else {let io = pcm.io_u16().unwrap();};
[INFO] [stdout]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |             } else {let io = pcm.io_i8().unwrap();};
[INFO] [stdout]    |                         ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |         } else {let io = pcm.io_u8().unwrap();};
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "d1ca620dc96814f2a9d22d5487ddf77213d60164599c3c10f00a7b201b58b7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ca620dc96814f2a9d22d5487ddf77213d60164599c3c10f00a7b201b58b7f2", kill_on_drop: false }`
[INFO] [stdout] d1ca620dc96814f2a9d22d5487ddf77213d60164599c3c10f00a7b201b58b7f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a23ca48e968be0acd0806a3f4b0233ab89d36d1120c3e6155c5a8559e51b96aa
[INFO] running `Command { std: "docker" "start" "-a" "a23ca48e968be0acd0806a3f4b0233ab89d36d1120c3e6155c5a8559e51b96aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling alsa_rs_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `State`
[INFO] [stdout]  --> src/main.rs:4:48
[INFO] [stdout]   |
[INFO] [stdout] 4 | use alsa::pcm::{PCM, HwParams, Format, Access, State};
[INFO] [stdout]   |                                                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:39:45
[INFO] [stdout]    |
[INFO] [stdout] 39 | ...                   } else {let io = pcm.io_f64().unwrap();};
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:40:41
[INFO] [stdout]    |
[INFO] [stdout] 40 | ...                   } else {let io = pcm.io_f32().unwrap();};
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:41:37
[INFO] [stdout]    |
[INFO] [stdout] 41 |                         } else {let io = pcm.io_u32().unwrap();};
[INFO] [stdout]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |                     } else {let io = pcm.io_i16().unwrap();};
[INFO] [stdout]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 } else {let io = pcm.io_u16().unwrap();};
[INFO] [stdout]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:44:25
[INFO] [stdout]    |
[INFO] [stdout] 44 |             } else {let io = pcm.io_i8().unwrap();};
[INFO] [stdout]    |                         ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/main.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |         } else {let io = pcm.io_u8().unwrap();};
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 26.09s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/alsa_rs_test-bdd0e88a98b0aa06)
[INFO] running `Command { std: "docker" "inspect" "a23ca48e968be0acd0806a3f4b0233ab89d36d1120c3e6155c5a8559e51b96aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23ca48e968be0acd0806a3f4b0233ab89d36d1120c3e6155c5a8559e51b96aa", kill_on_drop: false }`
[INFO] [stdout] a23ca48e968be0acd0806a3f4b0233ab89d36d1120c3e6155c5a8559e51b96aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0719d2cef9b83784c73e05e75a834da3d6cc814e1aa9829f0506d0280f71c10f
[INFO] running `Command { std: "docker" "start" "-a" "0719d2cef9b83784c73e05e75a834da3d6cc814e1aa9829f0506d0280f71c10f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `State`
[INFO] [stderr]  --> src/main.rs:4:48
[INFO] [stderr]   |
[INFO] [stderr] 4 | use alsa::pcm::{PCM, HwParams, Format, Access, State};
[INFO] [stderr]   |                                                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `io`
[INFO] [stderr]   --> src/main.rs:39:45
[INFO] [stderr]    |
[INFO] [stderr] 39 | ...                   } else {let io = pcm.io_f64().unwrap();};
[INFO] [stderr]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `io`
[INFO] [stderr]   --> src/main.rs:40:41
[INFO] [stderr]    |
[INFO] [stderr] 40 | ...                   } else {let io = pcm.io_f32().unwrap();};
[INFO] [stderr]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `io`
[INFO] [stderr]   --> src/main.rs:41:37
[INFO] [stderr]    |
[INFO] [stderr] 41 |                         } else {let io = pcm.io_u32().unwrap();};
[INFO] [stderr]    |                                     ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `io`
[INFO] [stderr]   --> src/main.rs:42:33
[INFO] [stderr]    |
[INFO] [stderr] 42 |                     } else {let io = pcm.io_i16().unwrap();};
[INFO] [stderr]    |                                 ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `io`
[INFO] [stderr]   --> src/main.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 } else {let io = pcm.io_u16().unwrap();};
[INFO] [stderr]    |                             ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `io`
[INFO] [stderr]   --> src/main.rs:44:25
[INFO] [stderr]    |
[INFO] [stderr] 44 |             } else {let io = pcm.io_i8().unwrap();};
[INFO] [stderr]    |                         ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `io`
[INFO] [stderr]   --> src/main.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |         } else {let io = pcm.io_u8().unwrap();};
[INFO] [stderr]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stderr] 
[INFO] [stderr] warning: `alsa_rs_test` (bin "alsa_rs_test" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/alsa_rs_test-bdd0e88a98b0aa06)
[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" "0719d2cef9b83784c73e05e75a834da3d6cc814e1aa9829f0506d0280f71c10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0719d2cef9b83784c73e05e75a834da3d6cc814e1aa9829f0506d0280f71c10f", kill_on_drop: false }`
[INFO] [stdout] 0719d2cef9b83784c73e05e75a834da3d6cc814e1aa9829f0506d0280f71c10f