[INFO] fetching crate sokoban 0.1.2...
[INFO] checking sokoban-0.1.2 against master#38b96553112dce3de630890701f17d86e265f6ba for pr-108867
[INFO] extracting crate sokoban 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate sokoban 0.1.2 on toolchain 38b96553112dce3de630890701f17d86e265f6ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38b96553112dce3de630890701f17d86e265f6ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sokoban 0.1.2
[INFO] finished tweaking crates.io crate sokoban 0.1.2
[INFO] tweaked toml for crates.io crate sokoban 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+38b96553112dce3de630890701f17d86e265f6ba" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38b96553112dce3de630890701f17d86e265f6ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libfuzzer-sys v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+38b96553112dce3de630890701f17d86e265f6ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c07a397f26b9fff9a7ebd7241cee7e00e8c74ce3486d810ff0c0c7450b07b6d
[INFO] running `Command { std: "docker" "start" "-a" "2c07a397f26b9fff9a7ebd7241cee7e00e8c74ce3486d810ff0c0c7450b07b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c07a397f26b9fff9a7ebd7241cee7e00e8c74ce3486d810ff0c0c7450b07b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c07a397f26b9fff9a7ebd7241cee7e00e8c74ce3486d810ff0c0c7450b07b6d", kill_on_drop: false }`
[INFO] [stdout] 2c07a397f26b9fff9a7ebd7241cee7e00e8c74ce3486d810ff0c0c7450b07b6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+38b96553112dce3de630890701f17d86e265f6ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7144ad58f164311a6dac8e14c0729c9b985ba6bf3e6b77a471afd5c09ac61ee2
[INFO] running `Command { std: "docker" "start" "-a" "7144ad58f164311a6dac8e14c0729c9b985ba6bf3e6b77a471afd5c09ac61ee2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking arbitrary v1.2.3
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.6
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=e8a08fb7f79e6a3f -C extra-filename=-e8a08fb7f79e6a3f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1edd256f11b478e6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a696ac0e2d232165.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a502b78bf86c3aa2.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7144ad58f164311a6dac8e14c0729c9b985ba6bf3e6b77a471afd5c09ac61ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7144ad58f164311a6dac8e14c0729c9b985ba6bf3e6b77a471afd5c09ac61ee2", kill_on_drop: false }`
[INFO] [stdout] 7144ad58f164311a6dac8e14c0729c9b985ba6bf3e6b77a471afd5c09ac61ee2