[INFO] fetching crate syntaxdot-cli 0.1.0...
[INFO] checking syntaxdot-cli-0.1.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate syntaxdot-cli 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate syntaxdot-cli 0.1.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syntaxdot-cli 0.1.0
[INFO] finished tweaking crates.io crate syntaxdot-cli 0.1.0
[INFO] tweaked toml for crates.io crate syntaxdot-cli 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate syntaxdot-cli 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdinout v0.4.1
[INFO] [stderr]   Downloaded num-derive v0.3.2
[INFO] [stderr]   Downloaded wordpieces v0.4.0
[INFO] [stderr]   Downloaded integer-encoding v1.1.5
[INFO] [stderr]   Downloaded libloading v0.6.4
[INFO] [stderr]   Downloaded indicatif v0.13.0
[INFO] [stderr]   Downloaded syntaxdot-transformers v0.1.0
[INFO] [stderr]   Downloaded syntaxdot v0.1.0
[INFO] [stderr]   Downloaded atomig v0.1.0
[INFO] [stderr]   Downloaded fst v0.4.4
[INFO] [stderr]   Downloaded syn v1.0.46
[INFO] [stderr]   Downloaded ureq v1.5.1
[INFO] [stderr]   Downloaded tfrecord v0.4.1
[INFO] [stderr]   Downloaded syntaxdot-encoders v0.1.0
[INFO] [stderr]   Downloaded sentencepiece-sys v0.5.0
[INFO] [stderr]   Downloaded noisy_float v0.1.13
[INFO] [stderr]   Downloaded cookie v0.14.2
[INFO] [stderr]   Downloaded sentencepiece v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6c5539f791717e2d9dabad0f60b45c4fee5ff6ffa4f498545f9f68a2a0df3cf
[INFO] running `Command { std: "docker" "start" "-a" "b6c5539f791717e2d9dabad0f60b45c4fee5ff6ffa4f498545f9f68a2a0df3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6c5539f791717e2d9dabad0f60b45c4fee5ff6ffa4f498545f9f68a2a0df3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6c5539f791717e2d9dabad0f60b45c4fee5ff6ffa4f498545f9f68a2a0df3cf", kill_on_drop: false }`
[INFO] [stdout] b6c5539f791717e2d9dabad0f60b45c4fee5ff6ffa4f498545f9f68a2a0df3cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a32ab13afbaf061d0025e80852afe17cb25928906b5b5978e94ceecd06a425c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a32ab13afbaf061d0025e80852afe17cb25928906b5b5978e94ceecd06a425c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling object v0.21.1
[INFO] [stderr]    Compiling fst v0.4.4
[INFO] [stderr]    Compiling chunked_transfer v1.3.0
[INFO] [stderr]     Checking seqalign v0.2.2
[INFO] [stderr]    Compiling hdf5 v0.7.0
[INFO] [stderr]     Checking atomig v0.1.0
[INFO] [stderr]     Checking stdinout v0.4.1
[INFO] [stderr]    Compiling libloading v0.6.4
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling qstring v0.7.2
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking hdf5-types v0.7.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking noisy_float v0.1.13
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]    Compiling sentencepiece-sys v0.5.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking indicatif v0.13.0
[INFO] [stderr]     Checking ndarray v0.13.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling rustls v0.18.1
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[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-1.0.46/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --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"' -C metadata=4447827a86d4dcba -C extra-filename=-4447827a86d4dcba --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-8a8bb825df9136cb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-944c052ceb08ffd8.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-083414e3434d8e82.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: build failed
[INFO] running `Command { std: "docker" "inspect" "a32ab13afbaf061d0025e80852afe17cb25928906b5b5978e94ceecd06a425c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32ab13afbaf061d0025e80852afe17cb25928906b5b5978e94ceecd06a425c2", kill_on_drop: false }`
[INFO] [stdout] a32ab13afbaf061d0025e80852afe17cb25928906b5b5978e94ceecd06a425c2