[INFO] fetching crate music21-rs 0.0.3...
[INFO] building music21-rs-0.0.3 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate music21-rs 0.0.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate music21-rs 0.0.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate music21-rs 0.0.3
[INFO] tweaked toml for crates.io crate music21-rs 0.0.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate music21-rs 0.0.3 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 music21-rs 0.0.3 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 01f0057c2cba1e42155a0fac143a2226be4951d6be9eb091c4e31149a01cbe89
[INFO] running `Command { std: "docker" "start" "-a" "01f0057c2cba1e42155a0fac143a2226be4951d6be9eb091c4e31149a01cbe89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01f0057c2cba1e42155a0fac143a2226be4951d6be9eb091c4e31149a01cbe89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f0057c2cba1e42155a0fac143a2226be4951d6be9eb091c4e31149a01cbe89", kill_on_drop: false }`
[INFO] [stdout] 01f0057c2cba1e42155a0fac143a2226be4951d6be9eb091c4e31149a01cbe89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9b4bdf23959c10d0848c8b1c62f003aa4788059aad18e822b863e170443b1c24
[INFO] running `Command { std: "docker" "start" "-a" "9b4bdf23959c10d0848c8b1c62f003aa4788059aad18e822b863e170443b1c24", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling music21-rs v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling ordered-float v5.0.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling fraction v0.15.3
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.64s
[INFO] running `Command { std: "docker" "inspect" "9b4bdf23959c10d0848c8b1c62f003aa4788059aad18e822b863e170443b1c24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b4bdf23959c10d0848c8b1c62f003aa4788059aad18e822b863e170443b1c24", kill_on_drop: false }`
[INFO] [stdout] 9b4bdf23959c10d0848c8b1c62f003aa4788059aad18e822b863e170443b1c24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4530566ad20a31c37e5a91f8877d3b47e03f5bf24d8a3114d67667c3b865aabd
[INFO] running `Command { std: "docker" "start" "-a" "4530566ad20a31c37e5a91f8877d3b47e03f5bf24d8a3114d67667c3b865aabd", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling cc v1.2.14
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling openssl v0.10.71
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling bytemuck v1.21.0
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling tinyvec v1.8.1
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling ryu v1.0.19
[INFO] [stderr]    Compiling symphonia-core v0.5.4
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling indoc v2.0.5
[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-2.0.98/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"' --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=a2b6465dda0f8a64 -C extra-filename=-53b733a460aae174 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ba1164ef8c5072f6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-45812ef4b8688a30.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-a3690edd3a41f0e2.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" "4530566ad20a31c37e5a91f8877d3b47e03f5bf24d8a3114d67667c3b865aabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4530566ad20a31c37e5a91f8877d3b47e03f5bf24d8a3114d67667c3b865aabd", kill_on_drop: false }`
[INFO] [stdout] 4530566ad20a31c37e5a91f8877d3b47e03f5bf24d8a3114d67667c3b865aabd