[INFO] cloning repository https://github.com/ezoalbus/rust-ml-titanic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ezoalbus/rust-ml-titanic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezoalbus%2Frust-ml-titanic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezoalbus%2Frust-ml-titanic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67bab6b5b1d864c5d13fd8987658ee24d912f7a5
[INFO] checking ezoalbus/rust-ml-titanic against master#4c5f6e6277b89e47d73a192078697f7a5f3dc0ac for pr-97086
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fezoalbus%2Frust-ml-titanic" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ezoalbus/rust-ml-titanic on toolchain 4c5f6e6277b89e47d73a192078697f7a5f3dc0ac
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ezoalbus/rust-ml-titanic
[INFO] finished tweaking git repo https://github.com/ezoalbus/rust-ml-titanic
[INFO] tweaked toml for git repo https://github.com/ezoalbus/rust-ml-titanic written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/ezoalbus/rust-ml-titanic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded multiversion-macros v0.6.1
[INFO] [stderr]   Downloaded lexical-parse-integer v0.8.3
[INFO] [stderr]   Downloaded hash_hasher v2.0.3
[INFO] [stderr]   Downloaded lexical-write-float v0.8.4
[INFO] [stderr]   Downloaded lexical-parse-float v0.8.3
[INFO] [stderr]   Downloaded polars-utils v0.20.0
[INFO] [stderr]   Downloaded polars-time v0.20.0
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] [stderr]   Downloaded openblas-build v0.1.1
[INFO] [stderr]   Downloaded linfa-bayes v0.5.1
[INFO] [stderr]   Downloaded noisy_float v0.2.0
[INFO] [stderr]   Downloaded ndarray-stats v0.5.0
[INFO] [stderr]   Downloaded strength_reduce v0.2.3
[INFO] [stderr]   Downloaded streaming-iterator v0.1.5
[INFO] [stderr]   Downloaded polars-arrow v0.20.0
[INFO] [stderr]   Downloaded cauchy v0.4.0
[INFO] [stderr]   Downloaded ndarray-linalg v0.14.1
[INFO] [stderr]   Downloaded lexical v6.1.0
[INFO] [stderr]   Downloaded ndarray-csv v0.5.1
[INFO] [stderr]   Downloaded multiversion v0.6.1
[INFO] [stderr]   Downloaded lexical-util v0.8.3
[INFO] [stderr]   Downloaded num-complex v0.4.1
[INFO] [stderr]   Downloaded linfa-datasets v0.5.1
[INFO] [stderr]   Downloaded lexical-write-integer v0.8.3
[INFO] [stderr]   Downloaded arrow2 v0.10.1
[INFO] [stderr]   Downloaded simdutf8 v0.1.4
[INFO] [stderr]   Downloaded comfy-table v5.0.1
[INFO] [stderr]   Downloaded anyhow v1.0.48
[INFO] [stderr]   Downloaded polars v0.20.0
[INFO] [stderr]   Downloaded lapack-sys v0.12.1
[INFO] [stderr]   Downloaded lapack v0.18.0
[INFO] [stderr]   Downloaded lax v0.2.0
[INFO] [stderr]   Downloaded linfa v0.5.1
[INFO] [stderr]   Downloaded openblas-src v0.10.4
[INFO] [stderr]   Downloaded polars-io v0.20.0
[INFO] [stderr]   Downloaded polars-lazy v0.20.0
[INFO] [stderr]   Downloaded lexical-core v0.8.3
[INFO] [stderr]   Downloaded polars-core v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed66aeece3e9fb3cfd8bca3062dff552b7db76272d7a11345666f1a1d0c98145
[INFO] running `Command { std: "docker" "start" "-a" "ed66aeece3e9fb3cfd8bca3062dff552b7db76272d7a11345666f1a1d0c98145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed66aeece3e9fb3cfd8bca3062dff552b7db76272d7a11345666f1a1d0c98145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed66aeece3e9fb3cfd8bca3062dff552b7db76272d7a11345666f1a1d0c98145", kill_on_drop: false }`
[INFO] [stdout] ed66aeece3e9fb3cfd8bca3062dff552b7db76272d7a11345666f1a1d0c98145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f968b8abd053441484f671f69f6a9f4a3ada4046f1c12408337c3746eb15afd
[INFO] running `Command { std: "docker" "start" "-a" "3f968b8abd053441484f671f69f6a9f4a3ada4046f1c12408337c3746eb15afd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]     Checking streaming-iterator v0.1.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]    Compiling linfa v0.5.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking lexical-util v0.8.3
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking lapack-sys v0.12.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking memmap2 v0.5.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking lexical-write-integer v0.8.3
[INFO] [stderr]     Checking lexical-parse-integer v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.23
[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 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -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"' -C metadata=b65cedb3bd8cf729 -C extra-filename=-b65cedb3bd8cf729 --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: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.137/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=b1406e0024249e5f -C extra-filename=-b1406e0024249e5f --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" "3f968b8abd053441484f671f69f6a9f4a3ada4046f1c12408337c3746eb15afd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f968b8abd053441484f671f69f6a9f4a3ada4046f1c12408337c3746eb15afd", kill_on_drop: false }`
[INFO] [stdout] 3f968b8abd053441484f671f69f6a9f4a3ada4046f1c12408337c3746eb15afd