[INFO] cloning repository https://github.com/hughrawlinson/keyboard-midi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hughrawlinson/keyboard-midi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhughrawlinson%2Fkeyboard-midi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhughrawlinson%2Fkeyboard-midi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6b28475c722b96e1c55a3e0b8599755a468b77b
[INFO] checking hughrawlinson/keyboard-midi against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhughrawlinson%2Fkeyboard-midi" "/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/hughrawlinson/keyboard-midi on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hughrawlinson/keyboard-midi
[INFO] finished tweaking git repo https://github.com/hughrawlinson/keyboard-midi
[INFO] tweaked toml for git repo https://github.com/hughrawlinson/keyboard-midi written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/hughrawlinson/keyboard-midi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--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 coremidi v0.4.0
[INFO] [stderr]   Downloaded alsa v0.2.0
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.48
[INFO] [stderr]   Downloaded alsa-sys v0.1.1
[INFO] [stderr]   Downloaded backtrace v0.3.12
[INFO] [stderr]   Downloaded midir v0.6.2
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded web-sys v0.3.25
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48d50e828b1f338b56c4b0330c520ebc2ad630744b2e8b4cd293f82b6ee21000
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48d50e828b1f338b56c4b0330c520ebc2ad630744b2e8b4cd293f82b6ee21000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48d50e828b1f338b56c4b0330c520ebc2ad630744b2e8b4cd293f82b6ee21000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48d50e828b1f338b56c4b0330c520ebc2ad630744b2e8b4cd293f82b6ee21000", kill_on_drop: false }`
[INFO] [stdout] 48d50e828b1f338b56c4b0330c520ebc2ad630744b2e8b4cd293f82b6ee21000
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08fef6f130a97c4b9c2d379dd18aec2a96fa233cde52c60bbeaa97d92ada41cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "08fef6f130a97c4b9c2d379dd18aec2a96fa233cde52c60bbeaa97d92ada41cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking ux v0.1.3
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking alsa v0.2.0
[INFO] [stderr]     Checking midir v0.6.2
[INFO] [stderr]     Checking keyboard-midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.08s
[INFO] running `Command { std: "docker" "inspect" "08fef6f130a97c4b9c2d379dd18aec2a96fa233cde52c60bbeaa97d92ada41cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08fef6f130a97c4b9c2d379dd18aec2a96fa233cde52c60bbeaa97d92ada41cf", kill_on_drop: false }`
[INFO] [stdout] 08fef6f130a97c4b9c2d379dd18aec2a96fa233cde52c60bbeaa97d92ada41cf