[INFO] fetching crate once_cell 1.8.0...
[INFO] checking once_cell-1.8.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate once_cell 1.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate once_cell 1.8.0 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] started tweaking crates.io crate once_cell 1.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate once_cell 1.8.0
[INFO] tweaked toml for crates.io crate once_cell 1.8.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate once_cell 1.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v1.0.1
[INFO] [stderr]   Downloaded ucd-util v0.1.4
[INFO] [stderr]   Downloaded regex v1.2.0
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.9
[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] 0b9fcab9fed802c7949a669c35479e26cd4b768fbfb944d8c2d5485b299b814c
[INFO] running `Command { std: "docker" "start" "-a" "0b9fcab9fed802c7949a669c35479e26cd4b768fbfb944d8c2d5485b299b814c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b9fcab9fed802c7949a669c35479e26cd4b768fbfb944d8c2d5485b299b814c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b9fcab9fed802c7949a669c35479e26cd4b768fbfb944d8c2d5485b299b814c", kill_on_drop: false }`
[INFO] [stdout] 0b9fcab9fed802c7949a669c35479e26cd4b768fbfb944d8c2d5485b299b814c
[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] 59ae26e3ecff6a2b185509b9dc968e83dbd71d11f8f05a2f7c27835a197f8749
[INFO] running `Command { std: "docker" "start" "-a" "59ae26e3ecff6a2b185509b9dc968e83dbd71d11f8f05a2f7c27835a197f8749", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking ucd-util v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking once_cell v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking regex-syntax v0.6.9
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "59ae26e3ecff6a2b185509b9dc968e83dbd71d11f8f05a2f7c27835a197f8749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ae26e3ecff6a2b185509b9dc968e83dbd71d11f8f05a2f7c27835a197f8749", kill_on_drop: false }`
[INFO] [stdout] 59ae26e3ecff6a2b185509b9dc968e83dbd71d11f8f05a2f7c27835a197f8749