[INFO] fetching crate io_utils 0.2.12...
[INFO] checking io_utils-0.2.12 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate io_utils 0.2.12 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate io_utils 0.2.12 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 io_utils 0.2.12
[INFO] finished tweaking crates.io crate io_utils 0.2.12
[INFO] tweaked toml for crates.io crate io_utils 0.2.12 written to /workspace/builds/worker-4/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5984cf6ca2e1c9f022045c8433b814114fe1b8254d0696528230d10926a6835f
[INFO] running `Command { std: "docker" "start" "-a" "5984cf6ca2e1c9f022045c8433b814114fe1b8254d0696528230d10926a6835f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5984cf6ca2e1c9f022045c8433b814114fe1b8254d0696528230d10926a6835f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5984cf6ca2e1c9f022045c8433b814114fe1b8254d0696528230d10926a6835f", kill_on_drop: false }`
[INFO] [stdout] 5984cf6ca2e1c9f022045c8433b814114fe1b8254d0696528230d10926a6835f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8ab95377c2909fd6f01c3fbb124c0eb172f0afe136e772a40e39db950ab25960
[INFO] running `Command { std: "docker" "start" "-a" "8ab95377c2909fd6f01c3fbb124c0eb172f0afe136e772a40e39db950ab25960", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking permutation v0.2.5
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking miniz_oxide v0.4.4
[INFO] [stderr]     Checking vector_utils v0.1.3
[INFO] [stderr]     Checking string_utils v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]     Checking io_utils v0.2.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.97s
[INFO] running `Command { std: "docker" "inspect" "8ab95377c2909fd6f01c3fbb124c0eb172f0afe136e772a40e39db950ab25960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab95377c2909fd6f01c3fbb124c0eb172f0afe136e772a40e39db950ab25960", kill_on_drop: false }`
[INFO] [stdout] 8ab95377c2909fd6f01c3fbb124c0eb172f0afe136e772a40e39db950ab25960
