[INFO] cloning repository https://github.com/NicholasLYang/brut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicholasLYang/brut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Fbrut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Fbrut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eba803d0aa503c96d7408e976c09c7944775d26
[INFO] building NicholasLYang/brut/9eba803d0aa503c96d7408e976c09c7944775d26 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Fbrut" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NicholasLYang/brut on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NicholasLYang/brut
[INFO] finished tweaking git repo https://github.com/NicholasLYang/brut
[INFO] tweaked toml for git repo https://github.com/NicholasLYang/brut written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NicholasLYang/brut 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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 clean-path v0.2.1
[INFO] [stderr]   Downloaded ct-codecs v1.1.2
[INFO] [stderr]   Downloaded serde_ignored v0.1.10
[INFO] [stderr]   Downloaded rustfix v0.8.5
[INFO] [stderr]   Downloaded serde-untagged v0.1.6
[INFO] [stderr]   Downloaded os_info v3.8.2
[INFO] [stderr]   Downloaded cargo-credential-wincred v0.4.7
[INFO] [stderr]   Downloaded cargo-credential-macos-keychain v0.4.7
[INFO] [stderr]   Downloaded gix-quote v0.4.12
[INFO] [stderr]   Downloaded jiff-tzdb-platform v0.1.1
[INFO] [stderr]   Downloaded gix-bitmap v0.2.11
[INFO] [stderr]   Downloaded gix-hashtable v0.5.2
[INFO] [stderr]   Downloaded crates-io v0.40.4
[INFO] [stderr]   Downloaded cargo-credential-libsecret v0.4.7
[INFO] [stderr]   Downloaded color-print v0.3.6
[INFO] [stderr]   Downloaded cargo-util-schemas v0.5.0
[INFO] [stderr]   Downloaded gix-date v0.8.7
[INFO] [stderr]   Downloaded gix-features v0.38.2
[INFO] [stderr]   Downloaded annotate-snippets v0.11.4
[INFO] [stderr]   Downloaded gix-dir v0.6.0
[INFO] [stderr]   Downloaded jiff-tzdb v0.1.1
[INFO] [stderr]   Downloaded curl v0.4.46
[INFO] [stderr]   Downloaded gix-pack v0.51.1
[INFO] [stderr]   Downloaded pasetors v0.6.8
[INFO] [stderr]   Downloaded orion v0.17.7
[INFO] [stderr]   Downloaded gix-ref v0.45.0
[INFO] [stderr]   Downloaded gix-config v0.38.0
[INFO] [stderr]   Downloaded im-rc v15.1.0
[INFO] [stderr]   Downloaded gix-transport v0.42.3
[INFO] [stderr]   Downloaded http-auth v0.1.10
[INFO] [stderr]   Downloaded gix-index v0.33.1
[INFO] [stderr]   Downloaded cargo-credential v0.4.6
[INFO] [stderr]   Downloaded gix v0.64.0
[INFO] [stderr]   Downloaded cargo-util v0.2.14
[INFO] [stderr]   Downloaded gix-diff v0.44.1
[INFO] [stderr]   Downloaded gix-filter v0.11.3
[INFO] [stderr]   Downloaded gix-odb v0.61.1
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[INFO] [stderr]   Downloaded gix-credentials v0.24.5
[INFO] [stderr]   Downloaded gix-object v0.42.3
[INFO] [stderr]   Downloaded gix-path v0.10.11
[INFO] [stderr]   Downloaded gix-packetline-blocking v0.17.5
[INFO] [stderr]   Downloaded gix-date v0.9.0
[INFO] [stderr]   Downloaded gix-revision v0.27.2
[INFO] [stderr]   Downloaded gix-config-value v0.14.8
[INFO] [stderr]   Downloaded gix-prompt v0.8.7
[INFO] [stderr]   Downloaded gix-packetline v0.17.6
[INFO] [stderr]   Downloaded gix-url v0.27.5
[INFO] [stderr]   Downloaded gix-glob v0.16.5
[INFO] [stderr]   Downloaded jiff v0.1.13
[INFO] [stderr]   Downloaded gix-tempfile v14.0.2
[INFO] [stderr]   Downloaded gix-commitgraph v0.24.3
[INFO] [stderr]   Downloaded gix-traverse v0.39.2
[INFO] [stderr]   Downloaded gix-hash v0.14.2
[INFO] [stderr]   Downloaded gix-utils v0.1.12
[INFO] [stderr]   Downloaded opener v0.7.2
[INFO] [stderr]   Downloaded gix-macros v0.1.5
[INFO] [stderr]   Downloaded gix-negotiate v0.13.2
[INFO] [stderr]   Downloaded gix-pathspec v0.7.7
[INFO] [stderr]   Downloaded gix-refspec v0.23.1
[INFO] [stderr]   Downloaded gix-submodule v0.12.0
[INFO] [stderr]   Downloaded gix-command v0.3.9
[INFO] [stderr]   Downloaded gix-sec v0.10.8
[INFO] [stderr]   Downloaded gix-attributes v0.22.5
[INFO] [stderr]   Downloaded gix-ignore v0.11.4
[INFO] [stderr]   Downloaded gix-fs v0.11.3
[INFO] [stderr]   Downloaded gix-chunk v0.4.8
[INFO] [stderr]   Downloaded gix-trace v0.1.10
[INFO] [stderr]   Downloaded gix-validate v0.8.5
[INFO] [stderr]   Downloaded gix-worktree v0.34.1
[INFO] [stderr]   Downloaded color-print-proc-macro v0.3.6
[INFO] [stderr]   Downloaded git2-curl v0.20.0
[INFO] [stderr]   Downloaded gix-discover v0.33.0
[INFO] [stderr]   Downloaded gix-lock v14.0.0
[INFO] [stderr]   Downloaded gix-revwalk v0.13.2
[INFO] [stderr]   Downloaded gix-actor v0.31.5
[INFO] [stderr]   Downloaded curl-sys v0.4.75+curl-8.10.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.10+1.61.0
[INFO] [stderr]   Downloaded cargo v0.82.0
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5583436345e522801f2e507bbcb257095a5787c1f4b50565cda6b4c916cc338
[INFO] running `Command { std: "docker" "start" "-a" "d5583436345e522801f2e507bbcb257095a5787c1f4b50565cda6b4c916cc338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5583436345e522801f2e507bbcb257095a5787c1f4b50565cda6b4c916cc338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5583436345e522801f2e507bbcb257095a5787c1f4b50565cda6b4c916cc338", kill_on_drop: false }`
[INFO] [stdout] d5583436345e522801f2e507bbcb257095a5787c1f4b50565cda6b4c916cc338
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e56a236b3ed8d3d0eea693ee47c2f9b40d40a0f02422f3060bdb8133f6422bef
[INFO] running `Command { std: "docker" "start" "-a" "e56a236b3ed8d3d0eea693ee47c2f9b40d40a0f02422f3060bdb8133f6422bef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.166
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling gix-trace v0.1.10
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling faster-hex v0.9.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling bytes v1.7.2
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling rustix v0.38.41
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling kstring v2.0.2
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling gix-sec v0.10.8
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling der v0.7.9
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling curl v0.4.46
[INFO] [stderr]    Compiling prodash v28.0.0
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling gimli v0.29.0
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling spki v0.7.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling pkcs8 v0.10.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling sec1 v0.7.3
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling object v0.36.4
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling typeid v1.0.2
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling rfc6979 v0.4.0
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling clru v0.6.2
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.10+1.61.0
[INFO] [stderr]    Compiling curl-sys v0.4.75+curl-8.10.0
[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling libgit2-sys v0.17.0+1.8.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.28.0
[INFO] [stderr]    Compiling jiff v0.1.13
[INFO] [stderr]    Compiling flate2 v1.0.33
[INFO] [stderr]    Compiling elliptic-curve v0.13.8
[INFO] [stderr]    Compiling addr2line v0.22.0
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling primeorder v0.13.6
[INFO] [stderr]    Compiling ecdsa v0.16.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling tar v0.4.41
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling im-rc v15.1.0
[INFO] [stderr]    Compiling predicates-core v1.0.8
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling fiat-crypto v0.2.9
[INFO] [stderr]    Compiling arc-swap v1.7.1
[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/44f415c1d617ebc7b931a243b7b321ef8a6ca47c/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.77/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-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=7b7827c0b3b2b73c -C extra-filename=-daea05dfe3304784 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ac2157d5ee7ff687.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-af284280f8e07568.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b76a8082b3bda540.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e56a236b3ed8d3d0eea693ee47c2f9b40d40a0f02422f3060bdb8133f6422bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56a236b3ed8d3d0eea693ee47c2f9b40d40a0f02422f3060bdb8133f6422bef", kill_on_drop: false }`
[INFO] [stdout] e56a236b3ed8d3d0eea693ee47c2f9b40d40a0f02422f3060bdb8133f6422bef