[INFO] fetching crate sklears 0.1.0-alpha.1...
[INFO] checking sklears-0.1.0-alpha.1 against try#9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840 for pr-149518
[INFO] extracting crate sklears 0.1.0-alpha.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate sklears 0.1.0-alpha.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sklears 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate sklears 0.1.0-alpha.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sklears 0.1.0-alpha.1 on toolchain 9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sklears 0.1.0-alpha.1 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" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6366fd825bb1f0046ae83f37cc71c26a9ca71a6c4f3d85e7b9ec635b61a0a8e
[INFO] running `Command { std: "docker" "start" "-a" "c6366fd825bb1f0046ae83f37cc71c26a9ca71a6c4f3d85e7b9ec635b61a0a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6366fd825bb1f0046ae83f37cc71c26a9ca71a6c4f3d85e7b9ec635b61a0a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6366fd825bb1f0046ae83f37cc71c26a9ca71a6c4f3d85e7b9ec635b61a0a8e", kill_on_drop: false }`
[INFO] [stdout] c6366fd825bb1f0046ae83f37cc71c26a9ca71a6c4f3d85e7b9ec635b61a0a8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 389bc22f7807012b26066b8370eab8b161a46580a7e760d6772294752a4112b9
[INFO] running `Command { std: "docker" "start" "-a" "389bc22f7807012b26066b8370eab8b161a46580a7e760d6772294752a4112b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling scirs2-core v0.1.0-rc.1
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]     Checking array-init-cursor v0.2.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling lambert_w v1.2.28
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]    Compiling polars-utils v0.49.1
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking zlib-rs v0.5.2
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking raw-cpuid v11.6.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]    Compiling polars-schema v0.49.1
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]     Checking deranged v0.5.4
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking crc v3.3.0
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling polars-arrow v0.49.1
[INFO] [stderr]     Checking bumpalo v3.19.0
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking unicode-ident v1.0.19
[INFO] [stderr]     Checking libbz2-rs-sys v0.2.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking lzma-rust2 v0.13.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]     Checking zopfli v0.8.2
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking memmap2 v0.9.8
[INFO] [stderr]     Checking lapack-sys v0.14.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking libz-rs-sys v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking bzip2 v0.6.0
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling polars-compute v0.49.1
[INFO] [stderr]     Checking deflate64 v0.1.9
[INFO] [stderr]     Checking dyn-clone v1.0.20
[INFO] [stderr]     Checking debug_unsafe v0.1.3
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking iter-read v1.1.0
[INFO] [stderr]     Checking ppmd-rust v1.2.1
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]     Checking atoi_simd v0.16.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking fast-float2 v0.2.3
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]     Checking time v0.3.44
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]    Compiling polars-core v0.49.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking skiplist v0.5.1
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking xxhash-rust v0.8.15
[INFO] [stderr]     Checking boxcar v0.2.14
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling polars-ops v0.49.1
[INFO] [stderr]    Compiling rustc_version_runtime v0.3.0
[INFO] [stderr]     Checking rand_xoshiro v0.7.0
[INFO] [stderr]     Checking argminmax v0.6.3
[INFO] [stderr]    Compiling polars-plan v0.49.1
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking rustc_version v0.4.1
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]     Checking toml_datetime v0.7.2
[INFO] [stderr]     Checking serde_spanned v1.0.2
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]     Checking filetime v0.2.26
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling polars-lazy v0.49.1
[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/9b8307bcb9d1de8ffc7e1c81c48efffdb24ee840/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=95c28b4ea074830a -C extra-filename=-1180b718bf486184 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-706e289e5275fbc2.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-35d9459621ff38eb.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b4c15d9166d0a657.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "389bc22f7807012b26066b8370eab8b161a46580a7e760d6772294752a4112b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389bc22f7807012b26066b8370eab8b161a46580a7e760d6772294752a4112b9", kill_on_drop: false }`
[INFO] [stdout] 389bc22f7807012b26066b8370eab8b161a46580a7e760d6772294752a4112b9