[INFO] fetching crate pavexc 0.2.9...
[INFO] checking pavexc-0.2.9 against try#73ffebff6f34db7eb167bf9edcf2afa19c3073e9 for pr-147841
[INFO] extracting crate pavexc 0.2.9 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate pavexc 0.2.9
[INFO] finished tweaking crates.io crate pavexc 0.2.9
[INFO] tweaked toml for crates.io crate pavexc 0.2.9 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pavexc 0.2.9 on toolchain 73ffebff6f34db7eb167bf9edcf2afa19c3073e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pavexc 0.2.9 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" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10a855803fc6a6c1609fffd04b4966cd6e4f4e2164c0fbed57f8274668477402
[INFO] running `Command { std: "docker" "start" "-a" "10a855803fc6a6c1609fffd04b4966cd6e4f4e2164c0fbed57f8274668477402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10a855803fc6a6c1609fffd04b4966cd6e4f4e2164c0fbed57f8274668477402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a855803fc6a6c1609fffd04b4966cd6e4f4e2164c0fbed57f8274668477402", kill_on_drop: false }`
[INFO] [stdout] 10a855803fc6a6c1609fffd04b4966cd6e4f4e2164c0fbed57f8274668477402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+73ffebff6f34db7eb167bf9edcf2afa19c3073e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd9b8ea184352b3f188c12a96837f4995f6edf10914adcfbbfd14767e67a13c2
[INFO] running `Command { std: "docker" "start" "-a" "cd9b8ea184352b3f188c12a96837f4995f6edf10914adcfbbfd14767e67a13c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking hashbrown v0.16.0
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling find-msvc-tools v0.1.3
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]    Compiling cc v1.2.40
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling vergen-lib v0.1.6
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling fs-err v3.1.3
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]    Compiling erased-serde v0.4.8
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.52.6
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]     Checking toml_write v0.1.2
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling vergen v9.0.6
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling camino v1.2.1
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling psm v0.1.27
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking indexmap v2.11.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling vergen-gitcl v1.0.8
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]     Checking cvt v0.1.2
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling rustls v0.23.32
[INFO] [stderr]    Compiling guppy-workspace-hack v0.1.0
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rustls-webpki v0.103.7
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking serde-untagged v0.1.9
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking windows-targets v0.52.6
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking anstyle-query v1.1.4
[INFO] [stderr]     Checking inlinable_string v0.1.15
[INFO] [stderr]    Compiling target-spec v3.5.2
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking normpath v1.5.0
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking rustls-native-certs v0.8.1
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking aes-gcm-siv v0.11.1
[INFO] [stderr]     Checking cfg-expr v0.20.3
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking hashlink v0.9.1
[INFO] [stderr]    Compiling convert_case v0.8.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.7
[INFO] [stderr]     Checking windows-sys v0.59.0
[INFO] [stderr]     Checking regex-automata v0.4.11
[INFO] [stderr]     Checking serde_spanned v1.0.2
[INFO] [stderr]     Checking toml_datetime v0.7.2
[INFO] [stderr]     Checking toml_parser v1.0.3
[INFO] [stderr]     Checking toml_writer v1.0.3
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking fallible-iterator v0.3.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking supports-hyperlinks v3.1.0
[INFO] [stderr]     Checking petgraph v0.8.3
[INFO] [stderr]     Checking r2d2 v0.8.10
[INFO] [stderr]     Checking pathdiff v0.2.3
[INFO] [stderr]     Checking serde_html_form v0.2.8
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking matchit v0.8.6
[INFO] [stderr]     Checking debug-ignore v1.0.5
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking nested v0.1.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[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/73ffebff6f34db7eb167bf9edcf2afa19c3073e9/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="fold"' --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=aa5756b6020184cd -C extra-filename=-4c6655c307fbac4a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a28683de7e2d991e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2df7aabf01940d81.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" "cd9b8ea184352b3f188c12a96837f4995f6edf10914adcfbbfd14767e67a13c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9b8ea184352b3f188c12a96837f4995f6edf10914adcfbbfd14767e67a13c2", kill_on_drop: false }`
[INFO] [stdout] cd9b8ea184352b3f188c12a96837f4995f6edf10914adcfbbfd14767e67a13c2