[INFO] fetching crate bw_verifier 0.3.1...
[INFO] checking bw_verifier-0.3.1 against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] extracting crate bw_verifier 0.3.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate bw_verifier 0.3.1
[INFO] finished tweaking crates.io crate bw_verifier 0.3.1
[INFO] tweaked toml for crates.io crate bw_verifier 0.3.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bw_verifier 0.3.1 on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bw_verifier 0.3.1 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7784a371bf20c5126279bf261b1150547eaf21f7eb81803e721648f256a1153d
[INFO] running `Command { std: "docker" "start" "-a" "7784a371bf20c5126279bf261b1150547eaf21f7eb81803e721648f256a1153d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7784a371bf20c5126279bf261b1150547eaf21f7eb81803e721648f256a1153d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7784a371bf20c5126279bf261b1150547eaf21f7eb81803e721648f256a1153d", kill_on_drop: false }`
[INFO] [stdout] 7784a371bf20c5126279bf261b1150547eaf21f7eb81803e721648f256a1153d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad3207f6eff8ef9ad7cfa33b666ebc2ef7dc89bd65f39063fde6e15c26f5deb7
[INFO] running `Command { std: "docker" "start" "-a" "ad3207f6eff8ef9ad7cfa33b666ebc2ef7dc89bd65f39063fde6e15c26f5deb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]     Checking unicode-bidi v0.3.17
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking object v0.36.5
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]    Compiling lexical-core v0.6.8
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling thiserror v1.0.68
[INFO] [stderr]     Checking cpufeatures v0.2.14
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]    Compiling lexical v4.2.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling curl-sys v0.4.78+curl-8.11.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling rust_decimal v1.36.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking phf_shared v0.11.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling io-enum v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking sha1_smol v1.0.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking openssl-sys v0.9.104
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking flate2 v1.0.34
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]    Compiling curl v0.4.47
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling mysql v18.2.0
[INFO] [stderr]     Checking whoami v1.5.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking tokio v1.41.0
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking futures-intrusive v0.3.1
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking os_info v2.0.8
[INFO] [stderr]     Checking version_check v0.9.5
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[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/78c81ee3917a99dcff6e2e6822800f0492c415c3/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.87/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=95128512e5dbb41f -C extra-filename=-f2d4fc2079223355 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-11d2d75b9bf96a03.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0199369e5233832a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d14904b1232aa2ec.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" "ad3207f6eff8ef9ad7cfa33b666ebc2ef7dc89bd65f39063fde6e15c26f5deb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad3207f6eff8ef9ad7cfa33b666ebc2ef7dc89bd65f39063fde6e15c26f5deb7", kill_on_drop: false }`
[INFO] [stdout] ad3207f6eff8ef9ad7cfa33b666ebc2ef7dc89bd65f39063fde6e15c26f5deb7