[INFO] cloning repository https://github.com/g-s-k/basic-synth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/g-s-k/basic-synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fg-s-k%2Fbasic-synth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fg-s-k%2Fbasic-synth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc3f1cbbe51be2a404db8db1dff00810e35947a2
[INFO] testing g-s-k/basic-synth against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fg-s-k%2Fbasic-synth" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/g-s-k/basic-synth on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/g-s-k/basic-synth
[INFO] finished tweaking git repo https://github.com/g-s-k/basic-synth
[INFO] tweaked toml for git repo https://github.com/g-s-k/basic-synth written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/g-s-k/basic-synth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ascii v1.0.0
[INFO] [stderr]   Downloaded num_enum v0.5.2
[INFO] [stderr]   Downloaded num_enum_derive v0.5.2
[INFO] [stderr]   Downloaded midi-msg v0.3.0
[INFO] [stderr]   Downloaded coremidi v0.4.0
[INFO] [stderr]   Downloaded midir v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e8f30088a240c512818058ccef3fb36145897dedd820f38e80bc1993dea8d5f
[INFO] running `Command { std: "docker" "start" "-a" "9e8f30088a240c512818058ccef3fb36145897dedd820f38e80bc1993dea8d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e8f30088a240c512818058ccef3fb36145897dedd820f38e80bc1993dea8d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e8f30088a240c512818058ccef3fb36145897dedd820f38e80bc1993dea8d5f", kill_on_drop: false }`
[INFO] [stdout] 9e8f30088a240c512818058ccef3fb36145897dedd820f38e80bc1993dea8d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecdf9632c49975378451b4c54b71cb4912e1f37c58698dfbfb6b8698914ca9b5
[INFO] running `Command { std: "docker" "start" "-a" "ecdf9632c49975378451b4c54b71cb4912e1f37c58698dfbfb6b8698914ca9b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling memalloc v0.1.0
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling midi-msg v0.3.0
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling alsa v0.4.3
[INFO] [stderr]    Compiling midir v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling minimp3 v0.5.1
[INFO] [stderr]    Compiling rodio v0.14.0
[INFO] [stderr]    Compiling basic-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.29s
[INFO] running `Command { std: "docker" "inspect" "ecdf9632c49975378451b4c54b71cb4912e1f37c58698dfbfb6b8698914ca9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecdf9632c49975378451b4c54b71cb4912e1f37c58698dfbfb6b8698914ca9b5", kill_on_drop: false }`
[INFO] [stdout] ecdf9632c49975378451b4c54b71cb4912e1f37c58698dfbfb6b8698914ca9b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 452f29d55c19890c448d8688c942d9e49894a49e79a10c6a8fa415acb6c98912
[INFO] running `Command { std: "docker" "start" "-a" "452f29d55c19890c448d8688c942d9e49894a49e79a10c6a8fa415acb6c98912", kill_on_drop: false }`
[INFO] [stderr]    Compiling basic-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "452f29d55c19890c448d8688c942d9e49894a49e79a10c6a8fa415acb6c98912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452f29d55c19890c448d8688c942d9e49894a49e79a10c6a8fa415acb6c98912", kill_on_drop: false }`
[INFO] [stdout] 452f29d55c19890c448d8688c942d9e49894a49e79a10c6a8fa415acb6c98912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 33447b4b726e7c96204762b90955aa22753a7dcb6376ff0ab21072e5eb2124b4
[INFO] running `Command { std: "docker" "start" "-a" "33447b4b726e7c96204762b90955aa22753a7dcb6376ff0ab21072e5eb2124b4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/basic_synth-a19b905e9b56c06f)
[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" "33447b4b726e7c96204762b90955aa22753a7dcb6376ff0ab21072e5eb2124b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33447b4b726e7c96204762b90955aa22753a7dcb6376ff0ab21072e5eb2124b4", kill_on_drop: false }`
[INFO] [stdout] 33447b4b726e7c96204762b90955aa22753a7dcb6376ff0ab21072e5eb2124b4