[INFO] fetching crate async-once-cell 0.5.4...
[INFO] checking async-once-cell-0.5.4 against master#8549802939cd01111c46e34a7b67cb1933977af9 for pr-132712
[INFO] extracting crate async-once-cell 0.5.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate async-once-cell 0.5.4 on toolchain 8549802939cd01111c46e34a7b67cb1933977af9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-once-cell 0.5.4
[INFO] finished tweaking crates.io crate async-once-cell 0.5.4
[INFO] tweaked toml for crates.io crate async-once-cell 0.5.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded critical-section v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef99edece6780ddeb2e10b51f0595ead52f6c54aa21e26c980508731478ddafe
[INFO] running `Command { std: "docker" "start" "-a" "ef99edece6780ddeb2e10b51f0595ead52f6c54aa21e26c980508731478ddafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef99edece6780ddeb2e10b51f0595ead52f6c54aa21e26c980508731478ddafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef99edece6780ddeb2e10b51f0595ead52f6c54aa21e26c980508731478ddafe", kill_on_drop: false }`
[INFO] [stdout] ef99edece6780ddeb2e10b51f0595ead52f6c54aa21e26c980508731478ddafe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3074a93ddeb31206f689621a3e14d61d2bdaa9a303f1a625d4440ceecfb20be
[INFO] running `Command { std: "docker" "start" "-a" "b3074a93ddeb31206f689621a3e14d61d2bdaa9a303f1a625d4440ceecfb20be", kill_on_drop: false }`
[INFO] [stderr]     Checking async-once-cell v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "b3074a93ddeb31206f689621a3e14d61d2bdaa9a303f1a625d4440ceecfb20be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3074a93ddeb31206f689621a3e14d61d2bdaa9a303f1a625d4440ceecfb20be", kill_on_drop: false }`
[INFO] [stdout] b3074a93ddeb31206f689621a3e14d61d2bdaa9a303f1a625d4440ceecfb20be