[INFO] cloning repository https://github.com/js2xxx/ferroc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/js2xxx/ferroc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs2xxx%2Fferroc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs2xxx%2Fferroc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0aee5fd0d47e1ee74b81b4951b6a964fa91e7283
[INFO] checking js2xxx/ferroc against master#d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee for pr-127481-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs2xxx%2Fferroc" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/js2xxx/ferroc on toolchain d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/js2xxx/ferroc
[INFO] finished tweaking git repo https://github.com/js2xxx/ferroc
[INFO] tweaked toml for git repo https://github.com/js2xxx/ferroc written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/js2xxx/ferroc 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" "+d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array-macro v2.1.8
[INFO] [stderr]   Downloaded crabgrind v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62e6cb862fedc2d10130e6ca4e52718cb327aa010d6c530a589140ea23d24b69
[INFO] running `Command { std: "docker" "start" "-a" "62e6cb862fedc2d10130e6ca4e52718cb327aa010d6c530a589140ea23d24b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62e6cb862fedc2d10130e6ca4e52718cb327aa010d6c530a589140ea23d24b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e6cb862fedc2d10130e6ca4e52718cb327aa010d6c530a589140ea23d24b69", kill_on_drop: false }`
[INFO] [stdout] 62e6cb862fedc2d10130e6ca4e52718cb327aa010d6c530a589140ea23d24b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d60b92b452a56d6168c09f7c975e73e1f3eb1bb64248a1789d5b99e8a076db9c
[INFO] running `Command { std: "docker" "start" "-a" "d60b92b452a56d6168c09f7c975e73e1f3eb1bb64248a1789d5b99e8a076db9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling ferroc v1.0.0-pre.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking array-macro v2.1.8
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling cc v1.1.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.7
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.70/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=7dfaa7b341e8eab1 -C extra-filename=-7dfaa7b341e8eab1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-999306cb2722a44d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-588522ccb60d1420.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.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" "d60b92b452a56d6168c09f7c975e73e1f3eb1bb64248a1789d5b99e8a076db9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d60b92b452a56d6168c09f7c975e73e1f3eb1bb64248a1789d5b99e8a076db9c", kill_on_drop: false }`
[INFO] [stdout] d60b92b452a56d6168c09f7c975e73e1f3eb1bb64248a1789d5b99e8a076db9c
[INFO] checking js2xxx/ferroc against try#3d1ad905b56a11961be37df7dc5e56be58204dd8 for pr-127481-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjs2xxx%2Fferroc" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/js2xxx/ferroc on toolchain 3d1ad905b56a11961be37df7dc5e56be58204dd8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/js2xxx/ferroc
[INFO] finished tweaking git repo https://github.com/js2xxx/ferroc
[INFO] tweaked toml for git repo https://github.com/js2xxx/ferroc written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/js2xxx/ferroc 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" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb90f2c24f6b10ef2f9351d3bb6658d3e0f12ba3d01fef4e6d542c6ff7d22856
[INFO] running `Command { std: "docker" "start" "-a" "cb90f2c24f6b10ef2f9351d3bb6658d3e0f12ba3d01fef4e6d542c6ff7d22856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb90f2c24f6b10ef2f9351d3bb6658d3e0f12ba3d01fef4e6d542c6ff7d22856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb90f2c24f6b10ef2f9351d3bb6658d3e0f12ba3d01fef4e6d542c6ff7d22856", kill_on_drop: false }`
[INFO] [stdout] cb90f2c24f6b10ef2f9351d3bb6658d3e0f12ba3d01fef4e6d542c6ff7d22856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c43021fee0148f788a3a453638ce61c4ff782c539978669f08c0951f808c68f8
[INFO] running `Command { std: "docker" "start" "-a" "c43021fee0148f788a3a453638ce61c4ff782c539978669f08c0951f808c68f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling ferroc v1.0.0-pre.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking array-macro v2.1.8
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling cc v1.1.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.7
[INFO] [stderr]    Compiling ctor v0.2.8
[INFO] [stderr]    Compiling derive_arbitrary v1.3.2
[INFO] [stderr]     Checking arbitrary v1.3.2
[INFO] [stderr]     Checking ferroc-fuzz v0.0.0 (/opt/rustwide/workdir/fuzz)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `Command { std: "docker" "inspect" "c43021fee0148f788a3a453638ce61c4ff782c539978669f08c0951f808c68f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c43021fee0148f788a3a453638ce61c4ff782c539978669f08c0951f808c68f8", kill_on_drop: false }`
[INFO] [stdout] c43021fee0148f788a3a453638ce61c4ff782c539978669f08c0951f808c68f8