[INFO] fetching crate songrec-lib 0.5.3...
[INFO] building songrec-lib-0.5.3 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate songrec-lib 0.5.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate songrec-lib 0.5.3
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate songrec-lib 0.5.3
[INFO] tweaked toml for crates.io crate songrec-lib 0.5.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate songrec-lib 0.5.3 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate songrec-lib 0.5.3 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c66902923847aab31e63d8ab7fc321b27aebca02e0435be275f23f9f8c02e0b1
[INFO] running `Command { std: "docker" "start" "-a" "c66902923847aab31e63d8ab7fc321b27aebca02e0435be275f23f9f8c02e0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c66902923847aab31e63d8ab7fc321b27aebca02e0435be275f23f9f8c02e0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c66902923847aab31e63d8ab7fc321b27aebca02e0435be275f23f9f8c02e0b1", kill_on_drop: false }`
[INFO] [stdout] c66902923847aab31e63d8ab7fc321b27aebca02e0435be275f23f9f8c02e0b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14a6be802e8197c38aecc458208db2a2bc4bb54cae3befad0bee05f2f92bfff2
[INFO] running `Command { std: "docker" "start" "-a" "14a6be802e8197c38aecc458208db2a2bc4bb54cae3befad0bee05f2f92bfff2", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio-util v0.7.15
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling symphonia-core v0.5.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling hound v3.5.1
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling alsa v0.9.1
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling chfft v0.3.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling symphonia-metadata v0.5.4
[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/4987e9d4227139400384ab59296ffee3b0fb1183/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --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=09f2e7776eb6eb47 -C extra-filename=-d4478c058f403b01 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09040b10b620fa15.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.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" "14a6be802e8197c38aecc458208db2a2bc4bb54cae3befad0bee05f2f92bfff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14a6be802e8197c38aecc458208db2a2bc4bb54cae3befad0bee05f2f92bfff2", kill_on_drop: false }`
[INFO] [stdout] 14a6be802e8197c38aecc458208db2a2bc4bb54cae3befad0bee05f2f92bfff2