[INFO] fetching crate git-branchless 0.4.0...
[INFO] checking git-branchless-0.4.0 against try#df0acfe6d8f079d1fdd8e6b7447569d81b00f126 for pr-100555
[INFO] extracting crate git-branchless 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate git-branchless 0.4.0 on toolchain df0acfe6d8f079d1fdd8e6b7447569d81b00f126
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df0acfe6d8f079d1fdd8e6b7447569d81b00f126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git-branchless 0.4.0
[INFO] finished tweaking crates.io crate git-branchless 0.4.0
[INFO] tweaked toml for crates.io crate git-branchless 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate git-branchless 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df0acfe6d8f079d1fdd8e6b7447569d81b00f126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+df0acfe6d8f079d1fdd8e6b7447569d81b00f126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4c099bc0b5a8e8d2cf513ee83c3801a6e231ee0c67ac57068f5b054a55998b1
[INFO] running `Command { std: "docker" "start" "-a" "d4c099bc0b5a8e8d2cf513ee83c3801a6e231ee0c67ac57068f5b054a55998b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4c099bc0b5a8e8d2cf513ee83c3801a6e231ee0c67ac57068f5b054a55998b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c099bc0b5a8e8d2cf513ee83c3801a6e231ee0c67ac57068f5b054a55998b1", kill_on_drop: false }`
[INFO] [stdout] d4c099bc0b5a8e8d2cf513ee83c3801a6e231ee0c67ac57068f5b054a55998b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+df0acfe6d8f079d1fdd8e6b7447569d81b00f126" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1e5a7becc20fc1a2d3395aa33ba92c0b94a17012c83c5d9579a8bbe2a0d9a24
[INFO] running `Command { std: "docker" "start" "-a" "c1e5a7becc20fc1a2d3395aa33ba92c0b94a17012c83c5d9579a8bbe2a0d9a24", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.129
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[INFO] [stderr]    Compiling darling_core v0.13.4
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[INFO] [stderr]    Compiling git-branchless v0.4.0 (/opt/rustwide/workdir)
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[INFO] running `Command { std: "docker" "inspect" "c1e5a7becc20fc1a2d3395aa33ba92c0b94a17012c83c5d9579a8bbe2a0d9a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e5a7becc20fc1a2d3395aa33ba92c0b94a17012c83c5d9579a8bbe2a0d9a24", kill_on_drop: false }`
[INFO] [stdout] c1e5a7becc20fc1a2d3395aa33ba92c0b94a17012c83c5d9579a8bbe2a0d9a24