[INFO] fetching crate musicgpt 0.3.27...
[INFO] building musicgpt-0.3.27 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate musicgpt 0.3.27 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate musicgpt 0.3.27
[INFO] finished tweaking crates.io crate musicgpt 0.3.27
[INFO] tweaked toml for crates.io crate musicgpt 0.3.27 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate musicgpt 0.3.27 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 musicgpt 0.3.27 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 406b36f4e0493436a2ddd2c500b58a8d6c555dd26fc4190be499881912cb779d
[INFO] running `Command { std: "docker" "start" "-a" "406b36f4e0493436a2ddd2c500b58a8d6c555dd26fc4190be499881912cb779d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "406b36f4e0493436a2ddd2c500b58a8d6c555dd26fc4190be499881912cb779d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406b36f4e0493436a2ddd2c500b58a8d6c555dd26fc4190be499881912cb779d", kill_on_drop: false }`
[INFO] [stdout] 406b36f4e0493436a2ddd2c500b58a8d6c555dd26fc4190be499881912cb779d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9ae857d3ab4d8daf2665464aded5bc3da2c2ca940a1930f3fdeb56975b9ad7a7
[INFO] running `Command { std: "docker" "start" "-a" "9ae857d3ab4d8daf2665464aded5bc3da2c2ca940a1930f3fdeb56975b9ad7a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling bitflags v2.7.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling log v0.4.24
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling http-body v1.0.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling http-body-util v0.1.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cc v1.0.96
[INFO] [stderr]    Compiling syn v2.0.95
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling sync_wrapper v1.0.1
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.12
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling openssl-src v300.2.3+3.2.1
[INFO] [stderr]    Compiling parking_lot v0.12.2
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[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/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.95/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="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=d41c744f779964bb -C extra-filename=-9947795e4840a360 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d7256ddc4eb5b2f1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5886836a2436fa4a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cc` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.0.96/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="jobserver"' --cfg 'feature="libc"' --cfg 'feature="once_cell"' --cfg 'feature="parallel"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("jobserver", "libc", "once_cell", "parallel"))' -C metadata=f99f618d38cd459e -C extra-filename=-b49e2160b7ec8d30 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern jobserver=/opt/rustwide/target/debug/deps/libjobserver-da09bd9296b79343.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-5212986fd122ab9e.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-24c5d665b6879050.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "9ae857d3ab4d8daf2665464aded5bc3da2c2ca940a1930f3fdeb56975b9ad7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae857d3ab4d8daf2665464aded5bc3da2c2ca940a1930f3fdeb56975b9ad7a7", kill_on_drop: false }`
[INFO] [stdout] 9ae857d3ab4d8daf2665464aded5bc3da2c2ca940a1930f3fdeb56975b9ad7a7