[INFO] fetching crate io-prompt-prototype 1.0.0...
[INFO] checking io-prompt-prototype-1.0.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate io-prompt-prototype 1.0.0 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate io-prompt-prototype 1.0.0 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-prompt-prototype 1.0.0
[INFO] finished tweaking crates.io crate io-prompt-prototype 1.0.0
[INFO] tweaked toml for crates.io crate io-prompt-prototype 1.0.0 written to /workspace/builds/worker-85/source/Cargo.toml
[INFO] crate crates.io crate io-prompt-prototype 1.0.0 already has a lockfile, it will not be regenerated
[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-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] 93c1c88e571810b954abcc8c16e55e86487c096f5d396640dc343014f434f369
[INFO] running `Command { std: "docker" "start" "-a" "93c1c88e571810b954abcc8c16e55e86487c096f5d396640dc343014f434f369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93c1c88e571810b954abcc8c16e55e86487c096f5d396640dc343014f434f369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c1c88e571810b954abcc8c16e55e86487c096f5d396640dc343014f434f369", kill_on_drop: false }`
[INFO] [stdout] 93c1c88e571810b954abcc8c16e55e86487c096f5d396640dc343014f434f369
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] f8d2134aa6692f344f8efe7f9ca757decac474fa653c7957cc8fc44c1654d50c
[INFO] running `Command { std: "docker" "start" "-a" "f8d2134aa6692f344f8efe7f9ca757decac474fa653c7957cc8fc44c1654d50c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking io-prompt-prototype v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "f8d2134aa6692f344f8efe7f9ca757decac474fa653c7957cc8fc44c1654d50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d2134aa6692f344f8efe7f9ca757decac474fa653c7957cc8fc44c1654d50c", kill_on_drop: false }`
[INFO] [stdout] f8d2134aa6692f344f8efe7f9ca757decac474fa653c7957cc8fc44c1654d50c
