[INFO] fetching crate coercion 0.1.0...
[INFO] checking coercion-0.1.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate coercion 0.1.0 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate coercion 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coercion 0.1.0
[INFO] finished tweaking crates.io crate coercion 0.1.0
[INFO] tweaked toml for crates.io crate coercion 0.1.0 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46e67a73b68711d3c13706eab650875e5a11af230db560905e8942ecbca38a1e
[INFO] running `Command { std: "docker" "start" "-a" "46e67a73b68711d3c13706eab650875e5a11af230db560905e8942ecbca38a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46e67a73b68711d3c13706eab650875e5a11af230db560905e8942ecbca38a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e67a73b68711d3c13706eab650875e5a11af230db560905e8942ecbca38a1e", kill_on_drop: false }`
[INFO] [stdout] 46e67a73b68711d3c13706eab650875e5a11af230db560905e8942ecbca38a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83bc78df43a756e44b869f689f568c31c229c219bc54f0770c2e1ef5fb93af83
[INFO] running `Command { std: "docker" "start" "-a" "83bc78df43a756e44b869f689f568c31c229c219bc54f0770c2e1ef5fb93af83", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking coercion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "83bc78df43a756e44b869f689f568c31c229c219bc54f0770c2e1ef5fb93af83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83bc78df43a756e44b869f689f568c31c229c219bc54f0770c2e1ef5fb93af83", kill_on_drop: false }`
[INFO] [stdout] 83bc78df43a756e44b869f689f568c31c229c219bc54f0770c2e1ef5fb93af83
