[INFO] fetching crate finite-field 0.0.0...
[INFO] checking finite-field-0.0.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate finite-field 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate finite-field 0.0.0 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 finite-field 0.0.0
[INFO] finished tweaking crates.io crate finite-field 0.0.0
[INFO] tweaked toml for crates.io crate finite-field 0.0.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] fb2dfd8ca4369b4d276d339689d7a87cd6e657b57bde307b9da4fc2bc2e7f51d
[INFO] running `Command { std: "docker" "start" "-a" "fb2dfd8ca4369b4d276d339689d7a87cd6e657b57bde307b9da4fc2bc2e7f51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb2dfd8ca4369b4d276d339689d7a87cd6e657b57bde307b9da4fc2bc2e7f51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb2dfd8ca4369b4d276d339689d7a87cd6e657b57bde307b9da4fc2bc2e7f51d", kill_on_drop: false }`
[INFO] [stdout] fb2dfd8ca4369b4d276d339689d7a87cd6e657b57bde307b9da4fc2bc2e7f51d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1c24acc582c58f85578876a82d571753406da9fbf3c151144b31d634563522ee
[INFO] running `Command { std: "docker" "start" "-a" "1c24acc582c58f85578876a82d571753406da9fbf3c151144b31d634563522ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking finite-field v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "1c24acc582c58f85578876a82d571753406da9fbf3c151144b31d634563522ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c24acc582c58f85578876a82d571753406da9fbf3c151144b31d634563522ee", kill_on_drop: false }`
[INFO] [stdout] 1c24acc582c58f85578876a82d571753406da9fbf3c151144b31d634563522ee
