[INFO] fetching crate libfct4 0.1.2...
[INFO] checking libfct4-0.1.2 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate libfct4 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate libfct4 0.1.2 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libfct4 0.1.2
[INFO] finished tweaking crates.io crate libfct4 0.1.2
[INFO] tweaked toml for crates.io crate libfct4 0.1.2 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding bufreaderwriter v0.1.2 (latest: v0.2.4)
[INFO] [stderr]       Adding pathdiff v0.1.0 (latest: v0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pathdiff v0.1.0
[INFO] [stderr]   Downloaded bufreaderwriter v0.1.2
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46f79804e07951d9c1150ed1f19d3fabca7689a6c26ef9637785c82681c55e8c
[INFO] running `Command { std: "docker" "start" "-a" "46f79804e07951d9c1150ed1f19d3fabca7689a6c26ef9637785c82681c55e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46f79804e07951d9c1150ed1f19d3fabca7689a6c26ef9637785c82681c55e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f79804e07951d9c1150ed1f19d3fabca7689a6c26ef9637785c82681c55e8c", kill_on_drop: false }`
[INFO] [stdout] 46f79804e07951d9c1150ed1f19d3fabca7689a6c26ef9637785c82681c55e8c
[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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd401a4d643b24e10e2991d73afce0c54e8436ff0bf7ebff20f23a61925108d7
[INFO] running `Command { std: "docker" "start" "-a" "cd401a4d643b24e10e2991d73afce0c54e8436ff0bf7ebff20f23a61925108d7", kill_on_drop: false }`
[INFO] [stderr]     Checking bufreaderwriter v0.1.2
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]     Checking libfct4 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "cd401a4d643b24e10e2991d73afce0c54e8436ff0bf7ebff20f23a61925108d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd401a4d643b24e10e2991d73afce0c54e8436ff0bf7ebff20f23a61925108d7", kill_on_drop: false }`
[INFO] [stdout] cd401a4d643b24e10e2991d73afce0c54e8436ff0bf7ebff20f23a61925108d7