[INFO] fetching crate pavexc 0.2.4...
[INFO] testing pavexc-0.2.4 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate pavexc 0.2.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate pavexc 0.2.4
[INFO] finished tweaking crates.io crate pavexc 0.2.4
[INFO] tweaked toml for crates.io crate pavexc 0.2.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pavexc 0.2.4 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pavexc 0.2.4 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded relative-path v2.0.1
[INFO] [stderr]   Downloaded serde_stacker v0.1.12
[INFO] [stderr]   Downloaded guppy-workspace-hack v0.1.0
[INFO] [stderr]   Downloaded cargo-like-utils v0.2.1
[INFO] [stderr]   Downloaded nested v0.1.1
[INFO] [stderr]   Downloaded pavex_cli_diagnostic v0.2.4
[INFO] [stderr]   Downloaded target-spec v3.5.0
[INFO] [stderr]   Downloaded pavex_cli_shell v0.2.4
[INFO] [stderr]   Downloaded cargo-manifest v0.19.1
[INFO] [stderr]   Downloaded rustdoc-types v0.54.0
[INFO] [stderr]   Downloaded guppy v0.17.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5adf7eb6893fb7c64768f4b02cb51759d26535217cfa6e86f436c59e2ddb7e41
[INFO] running `Command { std: "docker" "start" "-a" "5adf7eb6893fb7c64768f4b02cb51759d26535217cfa6e86f436c59e2ddb7e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5adf7eb6893fb7c64768f4b02cb51759d26535217cfa6e86f436c59e2ddb7e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5adf7eb6893fb7c64768f4b02cb51759d26535217cfa6e86f436c59e2ddb7e41", kill_on_drop: false }`
[INFO] [stdout] 5adf7eb6893fb7c64768f4b02cb51759d26535217cfa6e86f436c59e2ddb7e41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44c41ba72c3fb3b0397f338f7ed940d30df5e9aa638fee6ddbcc385637666f9c
[INFO] running `Command { std: "docker" "start" "-a" "44c41ba72c3fb3b0397f338f7ed940d30df5e9aa638fee6ddbcc385637666f9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling fs-err v3.1.1
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.52.6
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling camino v1.1.10
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling vergen-lib v0.1.6
[INFO] [stderr]    Compiling vergen v9.0.6
[INFO] [stderr]    Compiling vergen-gitcl v1.0.8
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling cvt v0.1.2
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling guppy-workspace-hack v0.1.0
[INFO] [stderr]    Compiling windows-targets v0.52.6
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling prettyplease v0.2.36
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling normpath v1.3.0
[INFO] [stderr]    Compiling inlinable_string v0.1.15
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling target-spec v3.5.0
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling toml_parser v1.0.1
[INFO] [stderr]    Compiling cfg-expr v0.20.1
[INFO] [stderr]    Compiling convert_case v0.8.0
[INFO] [stderr]    Compiling windows-sys v0.59.0
[INFO] [stderr]    Compiling supports-hyperlinks v3.1.0
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.7
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling nested v0.1.1
[INFO] [stderr]    Compiling aes-gcm-siv v0.11.1
[INFO] [stderr]    Compiling matchit v0.8.6
[INFO] [stderr]    Compiling uuid v1.17.0
[INFO] [stderr]    Compiling r2d2 v0.8.10
[INFO] [stderr]    Compiling debug-ignore v1.0.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling xdg-home v1.3.0
[INFO] [stderr]    Compiling elsa v1.11.2
[INFO] [stderr]    Compiling la-arena v0.3.1
[INFO] [stderr]    Compiling bimap v0.6.3
[INFO] [stderr]    Compiling relative-path v2.0.1
[INFO] [stderr]    Compiling xxhash-rust v0.8.15
[INFO] [stderr]    Compiling hashlink v0.9.1
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling darling_core v0.21.0
[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/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/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="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=c8fbcd6fb03006d9 -C extra-filename=-1a7759513e75ec5d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fccd95c3c6e49e6a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-cc77111b5c151c69.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-549afb6be76d59d6.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" "44c41ba72c3fb3b0397f338f7ed940d30df5e9aa638fee6ddbcc385637666f9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c41ba72c3fb3b0397f338f7ed940d30df5e9aa638fee6ddbcc385637666f9c", kill_on_drop: false }`
[INFO] [stdout] 44c41ba72c3fb3b0397f338f7ed940d30df5e9aa638fee6ddbcc385637666f9c