[INFO] fetching crate fsrs 5.2.0...
[INFO] testing fsrs-5.2.0 against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] extracting crate fsrs 5.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate fsrs 5.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fsrs 5.2.0
[INFO] tweaked toml for crates.io crate fsrs 5.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fsrs 5.2.0 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 crates.io crate fsrs 5.2.0 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 }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 26cc64f5cace19a9cb200ecf364d97b354505713b0e34657ffed604a5ba00ce7
[INFO] running `Command { std: "docker" "start" "-a" "26cc64f5cace19a9cb200ecf364d97b354505713b0e34657ffed604a5ba00ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26cc64f5cace19a9cb200ecf364d97b354505713b0e34657ffed604a5ba00ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26cc64f5cace19a9cb200ecf364d97b354505713b0e34657ffed604a5ba00ce7", kill_on_drop: false }`
[INFO] [stdout] 26cc64f5cace19a9cb200ecf364d97b354505713b0e34657ffed604a5ba00ce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] cc00e4371c27de2e6ee8852c9c7c94a17eda599e188b7d69db12e109ae31c25e
[INFO] running `Command { std: "docker" "start" "-a" "cc00e4371c27de2e6ee8852c9c7c94a17eda599e188b7d69db12e109ae31c25e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling cubecl-common v0.5.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling embassy-futures v0.1.1
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling winnow v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling rstest_macros v0.25.0
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling thread-tree v0.3.3
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]    Compiling burn-ndarray v0.17.1
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling nvml-wrapper-sys v0.8.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling flate2 v1.1.1
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling tempfile v3.19.1
[INFO] [stderr]    Compiling ndarray v0.16.1
[INFO] [stderr]    Compiling rand_distr v0.5.1
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[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" "cc00e4371c27de2e6ee8852c9c7c94a17eda599e188b7d69db12e109ae31c25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc00e4371c27de2e6ee8852c9c7c94a17eda599e188b7d69db12e109ae31c25e", kill_on_drop: false }`
[INFO] [stdout] cc00e4371c27de2e6ee8852c9c7c94a17eda599e188b7d69db12e109ae31c25e