[INFO] fetching crate chord-composer 0.3.1...
[INFO] checking chord-composer-0.3.1 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate chord-composer 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate chord-composer 0.3.1 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chord-composer 0.3.1
[INFO] finished tweaking crates.io crate chord-composer 0.3.1
[INFO] tweaked toml for crates.io crate chord-composer 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minimp3-sys v0.3.2
[INFO] [stderr]   Downloaded stdweb v0.1.3
[INFO] [stderr]   Downloaded ogg v0.7.0
[INFO] [stderr]   Downloaded coreaudio-rs v0.9.1
[INFO] [stderr]   Downloaded hound v3.4.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.13
[INFO] [stderr]   Downloaded stopwatch v0.0.7
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded cpal v0.10.0
[INFO] [stderr]   Downloaded lazycell v1.3.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.6.2
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded cexpr v0.4.0
[INFO] [stderr]   Downloaded music-timer v0.1.6
[INFO] [stderr]   Downloaded rustc-hash v1.1.0
[INFO] [stderr]   Downloaded clang-sys v0.29.3
[INFO] [stderr]   Downloaded alsa-sys v0.1.2
[INFO] [stderr]   Downloaded lewton v0.9.4
[INFO] [stderr]   Downloaded shlex v0.1.1
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.5
[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded minimp3 v0.3.5
[INFO] [stderr]   Downloaded slice-deque v0.3.0
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded rodio v0.10.0
[INFO] [stderr]   Downloaded bindgen v0.53.3
[INFO] [stderr]   Downloaded ghakuf v0.5.5
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73c649c66e4eed531239f1ea610b90880408b14d529b2c73391b548074ec7033
[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" "73c649c66e4eed531239f1ea610b90880408b14d529b2c73391b548074ec7033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73c649c66e4eed531239f1ea610b90880408b14d529b2c73391b548074ec7033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c649c66e4eed531239f1ea610b90880408b14d529b2c73391b548074ec7033", kill_on_drop: false }`
[INFO] [stdout] 73c649c66e4eed531239f1ea610b90880408b14d529b2c73391b548074ec7033
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e501c0efcfe3b4f9d6f189257c276b1e8b594b53f9e4287245c094cea6f552b
[INFO] running `Command { std: "docker" "start" "-a" "6e501c0efcfe3b4f9d6f189257c276b1e8b594b53f9e4287245c094cea6f552b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking music-timer v0.1.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking ghakuf v0.5.5
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rodio v0.10.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking chord-composer v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.72s
[INFO] running `Command { std: "docker" "inspect" "6e501c0efcfe3b4f9d6f189257c276b1e8b594b53f9e4287245c094cea6f552b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e501c0efcfe3b4f9d6f189257c276b1e8b594b53f9e4287245c094cea6f552b", kill_on_drop: false }`
[INFO] [stdout] 6e501c0efcfe3b4f9d6f189257c276b1e8b594b53f9e4287245c094cea6f552b