[INFO] fetching crate bcts 0.4.0...
[INFO] testing bcts-0.4.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate bcts 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate bcts 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate bcts 0.4.0
[INFO] tweaked toml for crates.io crate bcts 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bcts 0.4.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bcts 0.4.0 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thin-vec v0.2.14
[INFO] [stderr]   Downloaded salsa-macro-rules v0.25.2
[INFO] [stderr]   Downloaded intrusive-collections v0.9.7
[INFO] [stderr]   Downloaded wait-timeout v0.2.1
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded unarray v0.1.4
[INFO] [stderr]   Downloaded salsa-macros v0.25.2
[INFO] [stderr]   Downloaded rusty-fork v0.3.0
[INFO] [stderr]   Downloaded rand_xorshift v0.4.0
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[INFO] [stderr]   Downloaded powerletters v0.3.1
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[INFO] [stderr]   Downloaded unic-common v0.9.0
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[INFO] [stderr]   Downloaded unic-ucd-segment v0.9.0
[INFO] [stderr]   Downloaded windows-targets v0.53.2
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded fd-lock v4.0.4
[INFO] [stderr]   Downloaded link-cplusplus v1.0.10
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.160
[INFO] [stderr]   Downloaded humansize v2.1.3
[INFO] [stderr]   Downloaded crossbeam v0.8.4
[INFO] [stderr]   Downloaded constant_time_eq v0.3.1
[INFO] [stderr]   Downloaded globset v0.4.16
[INFO] [stderr]   Downloaded clipboard-win v5.4.0
[INFO] [stderr]   Downloaded rustls-webpki v0.103.3
[INFO] [stderr]   Downloaded extension-trait v1.0.2
[INFO] [stderr]   Downloaded globwalk v0.9.1
[INFO] [stderr]   Downloaded parse-zoneinfo v0.3.1
[INFO] [stderr]   Downloaded libloading v0.8.8
[INFO] [stderr]   Downloaded convert_case v0.7.1
[INFO] [stderr]   Downloaded ignore v0.4.23
[INFO] [stderr]   Downloaded chrono-tz-build v0.3.0
[INFO] [stderr]   Downloaded enum-iterator v2.1.0
[INFO] [stderr]   Downloaded rustmax v0.0.6
[INFO] [stderr]   Downloaded io-uring v0.7.8
[INFO] [stderr]   Downloaded unic-segment v0.9.0
[INFO] [stderr]   Downloaded boxcar v0.2.13
[INFO] [stderr]   Downloaded flate2 v1.1.4
[INFO] [stderr]   Downloaded enum-iterator-derive v1.4.0
[INFO] [stderr]   Downloaded pest_derive v2.8.1
[INFO] [stderr]   Downloaded tempfile v3.20.0
[INFO] [stderr]   Downloaded rand v0.9.1
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[INFO] [stderr]   Downloaded tera v1.20.0
[INFO] [stderr]   Downloaded cc v1.2.29
[INFO] [stderr]   Downloaded hyper-util v0.1.15
[INFO] [stderr]   Downloaded cxxbridge-cmd v1.0.160
[INFO] [stderr]   Downloaded anyhow v1.0.98
[INFO] [stderr]   Downloaded rustyline v16.0.0
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.160
[INFO] [stderr]   Downloaded tokio-util v0.7.15
[INFO] [stderr]   Downloaded pest v2.8.1
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[INFO] [stderr]   Downloaded h2 v0.4.11
[INFO] [stderr]   Downloaded reqwest v0.12.22
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded cxx v1.0.160
[INFO] [stderr]   Downloaded unicode-width v0.2.1
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[INFO] [stderr]   Downloaded bindgen v0.72.0
[INFO] [stderr]   Downloaded bstr v1.12.0
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[INFO] [stderr]   Downloaded phf_codegen v0.11.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a9c72fc4b92a375d23557a7150dff13dd22d0ef8a0338c848fd1f366549e807
[INFO] running `Command { std: "docker" "start" "-a" "9a9c72fc4b92a375d23557a7150dff13dd22d0ef8a0338c848fd1f366549e807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a9c72fc4b92a375d23557a7150dff13dd22d0ef8a0338c848fd1f366549e807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9c72fc4b92a375d23557a7150dff13dd22d0ef8a0338c848fd1f366549e807", kill_on_drop: false }`
[INFO] [stdout] 9a9c72fc4b92a375d23557a7150dff13dd22d0ef8a0338c848fd1f366549e807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe3b62c08d2d8f810ebd27809274a5aabf422c4cfe1c2d29f6bec0776f191b98
[INFO] running `Command { std: "docker" "start" "-a" "fe3b62c08d2d8f810ebd27809274a5aabf422c4cfe1c2d29f6bec0776f191b98", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling blake3 v1.8.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling toml_writer v1.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.25
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling flate2 v1.1.4
[INFO] [stderr]    Compiling intrusive-collections v0.9.7
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling toml_parser v1.0.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling nom v8.0.0
[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/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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=bd24a28599c5c482 -C extra-filename=-33fbf6c5ae1621f5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4b9bfc22d81e7631.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-91e7e107e347f57b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-63696b82ec5b5f94.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" "fe3b62c08d2d8f810ebd27809274a5aabf422c4cfe1c2d29f6bec0776f191b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3b62c08d2d8f810ebd27809274a5aabf422c4cfe1c2d29f6bec0776f191b98", kill_on_drop: false }`
[INFO] [stdout] fe3b62c08d2d8f810ebd27809274a5aabf422c4cfe1c2d29f6bec0776f191b98
