[INFO] fetching crate ironbox 0.3.0...
[INFO] checking ironbox-0.3.0 against 65b20a97de33e9e59992793a144aef2950c48c76 for pr-154715
[INFO] extracting crate ironbox 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ironbox 0.3.0
[INFO] finished tweaking crates.io crate ironbox 0.3.0
[INFO] tweaked toml for crates.io crate ironbox 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ironbox 0.3.0 on toolchain 65b20a97de33e9e59992793a144aef2950c48c76
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ironbox 0.3.0 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" "+65b20a97de33e9e59992793a144aef2950c48c76" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f86a95e25d1953798da672f17452cb12731020b3dae291f9e47784e637f51b72
[INFO] running `Command { std: "docker" "start" "f86a95e25d1953798da672f17452cb12731020b3dae291f9e47784e637f51b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f86a95e25d1953798da672f17452cb12731020b3dae291f9e47784e637f51b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f86a95e25d1953798da672f17452cb12731020b3dae291f9e47784e637f51b72" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f86a95e25d1953798da672f17452cb12731020b3dae291f9e47784e637f51b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f86a95e25d1953798da672f17452cb12731020b3dae291f9e47784e637f51b72" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling protobuf v3.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking value-bag v1.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling nix v0.31.2
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]    Compiling tempfile v3.26.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking env_home v0.1.0
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking go-flag v0.1.0
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking prctl v1.0.0
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking uuid v1.22.0
[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/65b20a97de33e9e59992793a144aef2950c48c76/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=a97fd12192cf7e60 -C extra-filename=-65cc0f1408aaba78 --out-dir /opt/rustwide/target/debug/build/syn/65cc0f1408aaba78/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/d4cb564e807a9cd7/out -L dependency=/opt/rustwide/target/debug/build/quote/aa2c5b8519914b46/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/d4cb564e807a9cd7/out/libproc_macro2-d4cb564e807a9cd7.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/aa2c5b8519914b46/out/libquote-aa2c5b8519914b46.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out/libunicode_ident-8c98a1a0e58216a9.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/65b20a97de33e9e59992793a144aef2950c48c76/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=5635195cd3c6c081 -C extra-filename=-c107d8699e5d08dc --out-dir /opt/rustwide/target/debug/build/syn/c107d8699e5d08dc/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/d4cb564e807a9cd7/out -L dependency=/opt/rustwide/target/debug/build/quote/aa2c5b8519914b46/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/d4cb564e807a9cd7/out/libproc_macro2-d4cb564e807a9cd7.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/aa2c5b8519914b46/out/libquote-aa2c5b8519914b46.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/8c98a1a0e58216a9/out/libunicode_ident-8c98a1a0e58216a9.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f86a95e25d1953798da672f17452cb12731020b3dae291f9e47784e637f51b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86a95e25d1953798da672f17452cb12731020b3dae291f9e47784e637f51b72", kill_on_drop: false }`
[INFO] [stdout] f86a95e25d1953798da672f17452cb12731020b3dae291f9e47784e637f51b72
