[INFO] fetching crate syntaxdot-cli 0.3.1...
[INFO] testing syntaxdot-cli-0.3.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate syntaxdot-cli 0.3.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate syntaxdot-cli 0.3.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syntaxdot-cli 0.3.1
[INFO] finished tweaking crates.io crate syntaxdot-cli 0.3.1
[INFO] tweaked toml for crates.io crate syntaxdot-cli 0.3.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate syntaxdot-cli 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_xorshift v0.2.0
[INFO] [stderr]   Downloaded fst v0.4.5
[INFO] [stderr]   Downloaded stdinout v0.4.1
[INFO] [stderr]   Downloaded syntaxdot-transformers v0.3.0
[INFO] [stderr]   Downloaded syntaxdot-tokenizers v0.3.0
[INFO] [stderr]   Downloaded ordered-float v2.1.1
[INFO] [stderr]   Downloaded syntaxdot-summary v0.3.0
[INFO] [stderr]   Downloaded torch-sys v0.4.0
[INFO] [stderr]   Downloaded syntaxdot v0.3.1
[INFO] [stderr]   Downloaded anyhow v1.0.39
[INFO] [stderr]   Downloaded tch v0.4.0
[INFO] [stderr]   Downloaded syntaxdot-encoders v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0869d4e81200864f21a1d541fb26c5318658264986cbe39f06989a05798ca2c
[INFO] running `Command { std: "docker" "start" "-a" "a0869d4e81200864f21a1d541fb26c5318658264986cbe39f06989a05798ca2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0869d4e81200864f21a1d541fb26c5318658264986cbe39f06989a05798ca2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0869d4e81200864f21a1d541fb26c5318658264986cbe39f06989a05798ca2c", kill_on_drop: false }`
[INFO] [stdout] a0869d4e81200864f21a1d541fb26c5318658264986cbe39f06989a05798ca2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e87178114eef09e2cedf59aefbae6b745762eb20d7568e2ea1d90cd726ce5115
[INFO] running `Command { std: "docker" "start" "-a" "e87178114eef09e2cedf59aefbae6b745762eb20d7568e2ea1d90cd726ce5115", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling curl v0.4.35
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling fst v0.4.5
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling seqalign v0.2.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling syntaxdot-summary v0.3.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling stdinout v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling curl-sys v0.4.41+curl-7.75.0
[INFO] [stderr]    Compiling sentencepiece-sys v0.6.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling udgraph v0.6.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling bzip2 v0.3.3
[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-1.0.64/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=5536c862cf32d0ce -C extra-filename=-5536c862cf32d0ce --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1a6a39c3cd9b115f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1be2cecfcfd4ab86.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-accda8c4d770d472.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" "e87178114eef09e2cedf59aefbae6b745762eb20d7568e2ea1d90cd726ce5115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87178114eef09e2cedf59aefbae6b745762eb20d7568e2ea1d90cd726ce5115", kill_on_drop: false }`
[INFO] [stdout] e87178114eef09e2cedf59aefbae6b745762eb20d7568e2ea1d90cd726ce5115