[INFO] cloning repository https://github.com/FlareFlo/butler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FlareFlo/butler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlareFlo%2Fbutler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlareFlo%2Fbutler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3cd6c4169894f93d5b38b69ac2aaacb5e2baf71
[INFO] checking FlareFlo/butler against 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d for pr-159598
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlareFlo%2Fbutler" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/FlareFlo/butler
[INFO] finished tweaking git repo https://github.com/FlareFlo/butler
[INFO] tweaked toml for git repo https://github.com/FlareFlo/butler written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FlareFlo/butler on toolchain 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FlareFlo/butler 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" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6857b3b005d02590470254a9faa9671f5b26fce28887de164509787aa47159e1
[INFO] running `Command { std: "docker" "start" "6857b3b005d02590470254a9faa9671f5b26fce28887de164509787aa47159e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6857b3b005d02590470254a9faa9671f5b26fce28887de164509787aa47159e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6857b3b005d02590470254a9faa9671f5b26fce28887de164509787aa47159e1" "/opt/rustwide/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6857b3b005d02590470254a9faa9671f5b26fce28887de164509787aa47159e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6857b3b005d02590470254a9faa9671f5b26fce28887de164509787aa47159e1" "/opt/rustwide/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]    Compiling serde v1.0.226
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]     Checking webpki-roots v1.0.2
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling crc v3.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]     Checking webpki-roots v0.26.11
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]    Compiling unicode-properties v0.1.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling time v0.3.44
[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/4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d/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=f62d849087f0e977 -C extra-filename=-f72c3efc7d15320e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a4916dcd2575db7e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-faae349f961da0a4.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "6857b3b005d02590470254a9faa9671f5b26fce28887de164509787aa47159e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6857b3b005d02590470254a9faa9671f5b26fce28887de164509787aa47159e1", kill_on_drop: false }`
[INFO] [stdout] 6857b3b005d02590470254a9faa9671f5b26fce28887de164509787aa47159e1
