[INFO] fetching crate once_self_cell 0.6.3...
[INFO] checking once_self_cell-0.6.3 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate once_self_cell 0.6.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate once_self_cell 0.6.3 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_self_cell 0.6.3
[INFO] finished tweaking crates.io crate once_self_cell 0.6.3
[INFO] tweaked toml for crates.io crate once_self_cell 0.6.3 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 55b5b7b459bfba9c6466460ac4c9a5e1a649f8fb66a82a0facf4e3174f4d04cd
[INFO] running `Command { std: "docker" "start" "-a" "55b5b7b459bfba9c6466460ac4c9a5e1a649f8fb66a82a0facf4e3174f4d04cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b5b7b459bfba9c6466460ac4c9a5e1a649f8fb66a82a0facf4e3174f4d04cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b5b7b459bfba9c6466460ac4c9a5e1a649f8fb66a82a0facf4e3174f4d04cd", kill_on_drop: false }`
[INFO] [stdout] 55b5b7b459bfba9c6466460ac4c9a5e1a649f8fb66a82a0facf4e3174f4d04cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2cd173bd046b396b0e2c01655b4af3b4861fa97d6f128fcccc65ca38c66870bd
[INFO] running `Command { std: "docker" "start" "-a" "2cd173bd046b396b0e2c01655b4af3b4861fa97d6f128fcccc65ca38c66870bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking once_self_cell v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.96s
[INFO] running `Command { std: "docker" "inspect" "2cd173bd046b396b0e2c01655b4af3b4861fa97d6f128fcccc65ca38c66870bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd173bd046b396b0e2c01655b4af3b4861fa97d6f128fcccc65ca38c66870bd", kill_on_drop: false }`
[INFO] [stdout] 2cd173bd046b396b0e2c01655b4af3b4861fa97d6f128fcccc65ca38c66870bd