[INFO] fetching crate rustynuc 0.3.0...
[INFO] building rustynuc-0.3.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rustynuc 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rustynuc 0.3.0
[INFO] finished tweaking crates.io crate rustynuc 0.3.0
[INFO] tweaked toml for crates.io crate rustynuc 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustynuc 0.3.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustynuc 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f1ce95feba440d07d8ae3312dfb1af7da0be481d8a2de5799516804de3aec3d
[INFO] running `Command { std: "docker" "start" "-a" "3f1ce95feba440d07d8ae3312dfb1af7da0be481d8a2de5799516804de3aec3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f1ce95feba440d07d8ae3312dfb1af7da0be481d8a2de5799516804de3aec3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f1ce95feba440d07d8ae3312dfb1af7da0be481d8a2de5799516804de3aec3d", kill_on_drop: false }`
[INFO] [stdout] 3f1ce95feba440d07d8ae3312dfb1af7da0be481d8a2de5799516804de3aec3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a084ff882e4c76cb82d42c6942c6b4eee11d2bb2a79a97e73fb5633c5a43de4
[INFO] running `Command { std: "docker" "start" "-a" "1a084ff882e4c76cb82d42c6942c6b4eee11d2bb2a79a97e73fb5633c5a43de4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling fs-utils v1.1.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[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/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.53/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="quote"' --cfg 'feature="visit"' --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=cc3b30104a1055e2 -C extra-filename=-2dee06ab7dfd392e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f3ff91c81d54fcf0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-44bf8733ef5db845.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-467b3a2737902552.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 `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name regex_syntax --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.6.21/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 -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=ec1886ae12d9a6d9 -C extra-filename=-5db503e23b30b506 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1a084ff882e4c76cb82d42c6942c6b4eee11d2bb2a79a97e73fb5633c5a43de4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a084ff882e4c76cb82d42c6942c6b4eee11d2bb2a79a97e73fb5633c5a43de4", kill_on_drop: false }`
[INFO] [stdout] 1a084ff882e4c76cb82d42c6942c6b4eee11d2bb2a79a97e73fb5633c5a43de4