[INFO] fetching crate field-derive 0.6.1...
[INFO] checking field-derive-0.6.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate field-derive 0.6.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate field-derive 0.6.1 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 field-derive 0.6.1
[INFO] finished tweaking crates.io crate field-derive 0.6.1
[INFO] tweaked toml for crates.io crate field-derive 0.6.1 written to /workspace/builds/worker-27/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 142cf65e48ea3c322ed8fa2e71eb0459321910b9d0f27ed6d40ad6029c6dacc5
[INFO] running `Command { std: "docker" "start" "-a" "142cf65e48ea3c322ed8fa2e71eb0459321910b9d0f27ed6d40ad6029c6dacc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "142cf65e48ea3c322ed8fa2e71eb0459321910b9d0f27ed6d40ad6029c6dacc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142cf65e48ea3c322ed8fa2e71eb0459321910b9d0f27ed6d40ad6029c6dacc5", kill_on_drop: false }`
[INFO] [stdout] 142cf65e48ea3c322ed8fa2e71eb0459321910b9d0f27ed6d40ad6029c6dacc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] f3830436b674c52b4a2f6f8fb0828a261f485d0caf8beed53f96e31e9a8c021b
[INFO] running `Command { std: "docker" "start" "-a" "f3830436b674c52b4a2f6f8fb0828a261f485d0caf8beed53f96e31e9a8c021b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]     Checking field-derive v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `Command { std: "docker" "inspect" "f3830436b674c52b4a2f6f8fb0828a261f485d0caf8beed53f96e31e9a8c021b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3830436b674c52b4a2f6f8fb0828a261f485d0caf8beed53f96e31e9a8c021b", kill_on_drop: false }`
[INFO] [stdout] f3830436b674c52b4a2f6f8fb0828a261f485d0caf8beed53f96e31e9a8c021b
