[INFO] fetching crate print_chords 0.1.0...
[INFO] checking print_chords-0.1.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate print_chords 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate print_chords 0.1.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate print_chords 0.1.0
[INFO] finished tweaking crates.io crate print_chords 0.1.0
[INFO] tweaked toml for crates.io crate print_chords 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate print_chords 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded jack-sys v0.2.2
[INFO] [stderr]   Downloaded jack v0.6.5
[INFO] [stderr]   Downloaded vecstorage v0.1.2
[INFO] [stderr]   Downloaded midi-consts v0.1.0
[INFO] [stderr]   Downloaded rsynth v0.1.1
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0a85f587bfaaa0b58b6dd85bb54eb2c98684f6a98d53fcdb353670c2e6d7105
[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" "c0a85f587bfaaa0b58b6dd85bb54eb2c98684f6a98d53fcdb353670c2e6d7105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0a85f587bfaaa0b58b6dd85bb54eb2c98684f6a98d53fcdb353670c2e6d7105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a85f587bfaaa0b58b6dd85bb54eb2c98684f6a98d53fcdb353670c2e6d7105", kill_on_drop: false }`
[INFO] [stdout] c0a85f587bfaaa0b58b6dd85bb54eb2c98684f6a98d53fcdb353670c2e6d7105
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f63e0aaf4996e231ee9a2d5c9d5d864a29ab671f51594f82b4de416d403c64e
[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" "4f63e0aaf4996e231ee9a2d5c9d5d864a29ab671f51594f82b4de416d403c64e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking midi-consts v0.1.0
[INFO] [stderr]     Checking vecstorage v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking jack-sys v0.2.2
[INFO] [stderr]     Checking jack v0.6.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rsynth v0.1.1
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking print_chords v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "4f63e0aaf4996e231ee9a2d5c9d5d864a29ab671f51594f82b4de416d403c64e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f63e0aaf4996e231ee9a2d5c9d5d864a29ab671f51594f82b4de416d403c64e", kill_on_drop: false }`
[INFO] [stdout] 4f63e0aaf4996e231ee9a2d5c9d5d864a29ab671f51594f82b4de416d403c64e