[INFO] fetching crate biconnected-components 0.4.0...
[INFO] checking biconnected-components-0.4.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate biconnected-components 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate biconnected-components 0.4.0
[INFO] finished tweaking crates.io crate biconnected-components 0.4.0
[INFO] tweaked toml for crates.io crate biconnected-components 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate biconnected-components 0.4.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate biconnected-components 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47f08866e01dd8948f18ae5a05be6f08c89b8db48fbc1af1ff1aa6d1f628ff29
[INFO] running `Command { std: "docker" "start" "-a" "47f08866e01dd8948f18ae5a05be6f08c89b8db48fbc1af1ff1aa6d1f628ff29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47f08866e01dd8948f18ae5a05be6f08c89b8db48fbc1af1ff1aa6d1f628ff29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f08866e01dd8948f18ae5a05be6f08c89b8db48fbc1af1ff1aa6d1f628ff29", kill_on_drop: false }`
[INFO] [stdout] 47f08866e01dd8948f18ae5a05be6f08c89b8db48fbc1af1ff1aa6d1f628ff29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 957e0d8feaa09f8e3f6bf2cdce4e1e39d7824fd107fc2e38d4a190d1b8f4c5a3
[INFO] running `Command { std: "docker" "start" "-a" "957e0d8feaa09f8e3f6bf2cdce4e1e39d7824fd107fc2e38d4a190d1b8f4c5a3", kill_on_drop: false }`
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking petgraph v0.7.1
[INFO] [stderr]     Checking biconnected-components v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `Command { std: "docker" "inspect" "957e0d8feaa09f8e3f6bf2cdce4e1e39d7824fd107fc2e38d4a190d1b8f4c5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957e0d8feaa09f8e3f6bf2cdce4e1e39d7824fd107fc2e38d4a190d1b8f4c5a3", kill_on_drop: false }`
[INFO] [stdout] 957e0d8feaa09f8e3f6bf2cdce4e1e39d7824fd107fc2e38d4a190d1b8f4c5a3