[INFO] fetching crate gnaw 0.0.2...
[INFO] checking gnaw-0.0.2 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate gnaw 0.0.2 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate gnaw 0.0.2 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gnaw 0.0.2
[INFO] finished tweaking crates.io crate gnaw 0.0.2
[INFO] tweaked toml for crates.io crate gnaw 0.0.2 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 000b99566a69df0a68ffd15b6586da3c006bcad19b1892c0043d5254b78f8a0c
[INFO] running `Command { std: "docker" "start" "-a" "000b99566a69df0a68ffd15b6586da3c006bcad19b1892c0043d5254b78f8a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "000b99566a69df0a68ffd15b6586da3c006bcad19b1892c0043d5254b78f8a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000b99566a69df0a68ffd15b6586da3c006bcad19b1892c0043d5254b78f8a0c", kill_on_drop: false }`
[INFO] [stdout] 000b99566a69df0a68ffd15b6586da3c006bcad19b1892c0043d5254b78f8a0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b9cd995d46de2d96b1fbd6660cf6ddf0da04df247e871be1c878f21e71f5333
[INFO] running `Command { std: "docker" "start" "-a" "4b9cd995d46de2d96b1fbd6660cf6ddf0da04df247e871be1c878f21e71f5333", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking git_info v0.1.2
[INFO] [stderr]     Checking gnaw v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking version-sync v0.9.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.13s
[INFO] running `Command { std: "docker" "inspect" "4b9cd995d46de2d96b1fbd6660cf6ddf0da04df247e871be1c878f21e71f5333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9cd995d46de2d96b1fbd6660cf6ddf0da04df247e871be1c878f21e71f5333", kill_on_drop: false }`
[INFO] [stdout] 4b9cd995d46de2d96b1fbd6660cf6ddf0da04df247e871be1c878f21e71f5333
