[INFO] fetching crate freecell 0.1.0...
[INFO] checking freecell-0.1.0 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate freecell 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate freecell 0.1.0 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate freecell 0.1.0
[INFO] finished tweaking crates.io crate freecell 0.1.0
[INFO] tweaked toml for crates.io crate freecell 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "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] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23e2590200d13d12c10dc3f368f76ad099c6a9e15e5dd93600d13f9442f3fecd
[INFO] running `Command { std: "docker" "start" "-a" "23e2590200d13d12c10dc3f368f76ad099c6a9e15e5dd93600d13f9442f3fecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23e2590200d13d12c10dc3f368f76ad099c6a9e15e5dd93600d13f9442f3fecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e2590200d13d12c10dc3f368f76ad099c6a9e15e5dd93600d13f9442f3fecd", kill_on_drop: false }`
[INFO] [stdout] 23e2590200d13d12c10dc3f368f76ad099c6a9e15e5dd93600d13f9442f3fecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec6c138fa632ee7c8134dd57560facd7b41e7274bdd9d8885d5f12500601b25f
[INFO] running `Command { std: "docker" "start" "-a" "ec6c138fa632ee7c8134dd57560facd7b41e7274bdd9d8885d5f12500601b25f", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking freecell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "ec6c138fa632ee7c8134dd57560facd7b41e7274bdd9d8885d5f12500601b25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6c138fa632ee7c8134dd57560facd7b41e7274bdd9d8885d5f12500601b25f", kill_on_drop: false }`
[INFO] [stdout] ec6c138fa632ee7c8134dd57560facd7b41e7274bdd9d8885d5f12500601b25f