[INFO] cloning repository https://github.com/ElitCoder/minidsp-volume-steps-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ElitCoder/minidsp-volume-steps-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElitCoder%2Fminidsp-volume-steps-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElitCoder%2Fminidsp-volume-steps-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b94d3ad7dcd20179610d81b9beb43a339f1e4401
[INFO] testing ElitCoder/minidsp-volume-steps-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElitCoder%2Fminidsp-volume-steps-rs" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ElitCoder/minidsp-volume-steps-rs 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/ElitCoder/minidsp-volume-steps-rs
[INFO] finished tweaking git repo https://github.com/ElitCoder/minidsp-volume-steps-rs
[INFO] tweaked toml for git repo https://github.com/ElitCoder/minidsp-volume-steps-rs written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/ElitCoder/minidsp-volume-steps-rs 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded evdev-rs v0.5.0
[INFO] [stderr]   Downloaded evdev-sys v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] [stdout] 3c92c77fbfb442e3db099fbcf7a87078891d0eeb524dfeba6fb3fa8de4496097
[INFO] running `Command { std: "docker" "start" "-a" "3c92c77fbfb442e3db099fbcf7a87078891d0eeb524dfeba6fb3fa8de4496097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c92c77fbfb442e3db099fbcf7a87078891d0eeb524dfeba6fb3fa8de4496097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c92c77fbfb442e3db099fbcf7a87078891d0eeb524dfeba6fb3fa8de4496097", kill_on_drop: false }`
[INFO] [stdout] 3c92c77fbfb442e3db099fbcf7a87078891d0eeb524dfeba6fb3fa8de4496097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 709922f86a5a6d0745341a9c7975c90ea2d2b1bb01e9d7ab6dc34b05b2090477
[INFO] running `Command { std: "docker" "start" "-a" "709922f86a5a6d0745341a9c7975c90ea2d2b1bb01e9d7ab6dc34b05b2090477", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling evdev-sys v0.2.2
[INFO] [stderr]    Compiling evdev-rs v0.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling minidsp-volume-steps-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.49s
[INFO] running `Command { std: "docker" "inspect" "709922f86a5a6d0745341a9c7975c90ea2d2b1bb01e9d7ab6dc34b05b2090477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "709922f86a5a6d0745341a9c7975c90ea2d2b1bb01e9d7ab6dc34b05b2090477", kill_on_drop: false }`
[INFO] [stdout] 709922f86a5a6d0745341a9c7975c90ea2d2b1bb01e9d7ab6dc34b05b2090477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 538d1c83a6d2b9448d69cb82b675c55fad3d4db7cea7e7b782989ab67d876c2b
[INFO] running `Command { std: "docker" "start" "-a" "538d1c83a6d2b9448d69cb82b675c55fad3d4db7cea7e7b782989ab67d876c2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling minidsp-volume-steps-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "538d1c83a6d2b9448d69cb82b675c55fad3d4db7cea7e7b782989ab67d876c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "538d1c83a6d2b9448d69cb82b675c55fad3d4db7cea7e7b782989ab67d876c2b", kill_on_drop: false }`
[INFO] [stdout] 538d1c83a6d2b9448d69cb82b675c55fad3d4db7cea7e7b782989ab67d876c2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] [stdout] d8382d6e7103afec253c23fd333c21aa327374060a91bddd4d79ab6b28cf3e0a
[INFO] running `Command { std: "docker" "start" "-a" "d8382d6e7103afec253c23fd333c21aa327374060a91bddd4d79ab6b28cf3e0a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minidsp_volume_steps_rs-313a3eb9184c65ef)
[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" "d8382d6e7103afec253c23fd333c21aa327374060a91bddd4d79ab6b28cf3e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8382d6e7103afec253c23fd333c21aa327374060a91bddd4d79ab6b28cf3e0a", kill_on_drop: false }`
[INFO] [stdout] d8382d6e7103afec253c23fd333c21aa327374060a91bddd4d79ab6b28cf3e0a