[INFO] fetching crate ff 0.10.0...
[INFO] checking ff-0.10.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate ff 0.10.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ff 0.10.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking crates.io crate ff 0.10.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ff 0.10.0
[INFO] tweaked toml for crates.io crate ff 0.10.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 972d06272eed29bcc69e07cbb3aadb6e9d06fa027f2aaaa80702ccd713a6e3ee
[INFO] running `Command { std: "docker" "start" "-a" "972d06272eed29bcc69e07cbb3aadb6e9d06fa027f2aaaa80702ccd713a6e3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "972d06272eed29bcc69e07cbb3aadb6e9d06fa027f2aaaa80702ccd713a6e3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "972d06272eed29bcc69e07cbb3aadb6e9d06fa027f2aaaa80702ccd713a6e3ee", kill_on_drop: false }`
[INFO] [stdout] 972d06272eed29bcc69e07cbb3aadb6e9d06fa027f2aaaa80702ccd713a6e3ee
[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=forbid" "-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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c12c10012b487343252c2d6c4ba389983e930c655f57d080304b980e1caa89c
[INFO] running `Command { std: "docker" "start" "-a" "7c12c10012b487343252c2d6c4ba389983e930c655f57d080304b980e1caa89c", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking ff v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "7c12c10012b487343252c2d6c4ba389983e930c655f57d080304b980e1caa89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c12c10012b487343252c2d6c4ba389983e930c655f57d080304b980e1caa89c", kill_on_drop: false }`
[INFO] [stdout] 7c12c10012b487343252c2d6c4ba389983e930c655f57d080304b980e1caa89c