[INFO] cloning repository https://github.com/mattalhonte/python_ml_to_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattalhonte/python_ml_to_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattalhonte%2Fpython_ml_to_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattalhonte%2Fpython_ml_to_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60781a2a4139b4a5de4f967ee8622d545ace2923
[INFO] checking mattalhonte/python_ml_to_rust against master#ad0d4190facd509a5c79dce427bb7deb2824046e for pr-92472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattalhonte%2Fpython_ml_to_rust" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattalhonte/python_ml_to_rust on toolchain ad0d4190facd509a5c79dce427bb7deb2824046e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattalhonte/python_ml_to_rust
[INFO] finished tweaking git repo https://github.com/mattalhonte/python_ml_to_rust
[INFO] tweaked toml for git repo https://github.com/mattalhonte/python_ml_to_rust written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/mattalhonte/python_ml_to_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang-nursery/rand`
[INFO] [stderr]     Updating git repository `https://github.com/snipsco/tract/`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ucd-trie v0.1.2
[INFO] [stderr]   Downloaded pest_meta v2.1.2
[INFO] [stderr]   Downloaded pest_generator v2.1.1
[INFO] [stderr]   Downloaded proc-quote-impl v0.2.2
[INFO] [stderr]   Downloaded petgraph v0.5.0
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded half v1.4.0
[INFO] [stderr]   Downloaded deunicode v1.0.0
[INFO] [stderr]   Downloaded dyn-clone v1.0.1
[INFO] [stderr]   Downloaded backtrace v0.3.43
[INFO] [stderr]   Downloaded proc-quote v0.2.2
[INFO] [stderr]   Downloaded ndarray v0.13.0
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded liquid-derive v0.19.0
[INFO] [stderr]   Downloaded liquid-value v0.19.1
[INFO] [stderr]   Downloaded liquid-compiler v0.19.0
[INFO] [stderr]   Downloaded liquid-error v0.19.0
[INFO] [stderr]   Downloaded multimap v0.8.0
[INFO] [stderr]   Downloaded liquid-interpreter v0.19.0
[INFO] [stderr]   Downloaded liquid v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 483d3d06bca030c47635a95e26ff3b098d279ba57f277aa22459462bd5875533
[INFO] running `Command { std: "docker" "start" "-a" "483d3d06bca030c47635a95e26ff3b098d279ba57f277aa22459462bd5875533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "483d3d06bca030c47635a95e26ff3b098d279ba57f277aa22459462bd5875533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "483d3d06bca030c47635a95e26ff3b098d279ba57f277aa22459462bd5875533", kill_on_drop: false }`
[INFO] [stdout] 483d3d06bca030c47635a95e26ff3b098d279ba57f277aa22459462bd5875533
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ad0d4190facd509a5c79dce427bb7deb2824046e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcf48042a5031b4a494b7004b40dce7a48e3777751dd7ab34b4df378f41e557c
[INFO] running `Command { std: "docker" "start" "-a" "bcf48042a5031b4a494b7004b40dce7a48e3777751dd7ab34b4df378f41e557c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling liquid-error v0.19.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling deunicode v1.0.0
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]     Checking dyn-clone v1.0.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking unsafe_unwrap v0.1.0
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.14/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="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"' -C metadata=322723a608f61e50 -C extra-filename=-322723a608f61e50 --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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bcf48042a5031b4a494b7004b40dce7a48e3777751dd7ab34b4df378f41e557c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf48042a5031b4a494b7004b40dce7a48e3777751dd7ab34b4df378f41e557c", kill_on_drop: false }`
[INFO] [stdout] bcf48042a5031b4a494b7004b40dce7a48e3777751dd7ab34b4df378f41e557c