[INFO] cloning repository https://github.com/open-spaced-repetition/fsrs-optimizer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/open-spaced-repetition/fsrs-optimizer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopen-spaced-repetition%2Ffsrs-optimizer-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopen-spaced-repetition%2Ffsrs-optimizer-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec5d1c729de35e0cc7f9482a8acd5ae70d1b574e
[INFO] testing open-spaced-repetition/fsrs-optimizer-rs against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopen-spaced-repetition%2Ffsrs-optimizer-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/open-spaced-repetition/fsrs-optimizer-rs
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/open-spaced-repetition/fsrs-optimizer-rs
[INFO] tweaked toml for git repo https://github.com/open-spaced-repetition/fsrs-optimizer-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/open-spaced-repetition/fsrs-optimizer-rs on toolchain 7704328ba5ae8d6ce0ac303c9d5a1a1605906766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/open-spaced-repetition/fsrs-optimizer-rs 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" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c281039b4fea320778fd81310948a8b61aa8118c5561b55fa5cc162974d134d9
[INFO] running `Command { std: "docker" "start" "-a" "c281039b4fea320778fd81310948a8b61aa8118c5561b55fa5cc162974d134d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c281039b4fea320778fd81310948a8b61aa8118c5561b55fa5cc162974d134d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c281039b4fea320778fd81310948a8b61aa8118c5561b55fa5cc162974d134d9", kill_on_drop: false }`
[INFO] [stdout] c281039b4fea320778fd81310948a8b61aa8118c5561b55fa5cc162974d134d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e92a23970ca7b1011e1db8d3a6238232b8b176423349001c4a36e7a09fd9dc09
[INFO] running `Command { std: "docker" "start" "-a" "e92a23970ca7b1011e1db8d3a6238232b8b176423349001c4a36e7a09fd9dc09", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cubecl-common v0.5.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling embassy-futures v0.1.1
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling winnow v0.7.6
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling rstest_macros v0.25.0
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling thread-tree v0.3.3
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling burn-ndarray v0.17.1
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling nvml-wrapper-sys v0.8.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling bytesize v1.3.3
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling uuid v1.16.0
[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/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.100/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=7af7c13e60aed3d7 -C extra-filename=-3b6e593ea2dca545 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d8665169c487d19b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-60c6fa93c90874f2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "e92a23970ca7b1011e1db8d3a6238232b8b176423349001c4a36e7a09fd9dc09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92a23970ca7b1011e1db8d3a6238232b8b176423349001c4a36e7a09fd9dc09", kill_on_drop: false }`
[INFO] [stdout] e92a23970ca7b1011e1db8d3a6238232b8b176423349001c4a36e7a09fd9dc09