[INFO] fetching crate hardshare 0.13.1...
[INFO] testing hardshare-0.13.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate hardshare 0.13.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate hardshare 0.13.1
[INFO] finished tweaking crates.io crate hardshare 0.13.1
[INFO] tweaked toml for crates.io crate hardshare 0.13.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hardshare 0.13.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hardshare 0.13.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52af28e5bc44267f2f0dabf3bcc7f66e001ffc95941c821900bd65621a4269f1
[INFO] running `Command { std: "docker" "start" "-a" "52af28e5bc44267f2f0dabf3bcc7f66e001ffc95941c821900bd65621a4269f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52af28e5bc44267f2f0dabf3bcc7f66e001ffc95941c821900bd65621a4269f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52af28e5bc44267f2f0dabf3bcc7f66e001ffc95941c821900bd65621a4269f1", kill_on_drop: false }`
[INFO] [stdout] 52af28e5bc44267f2f0dabf3bcc7f66e001ffc95941c821900bd65621a4269f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3de529a24ce4c4c6611e3d5df1825d1348b8662623df5a96475117c3f655527
[INFO] running `Command { std: "docker" "start" "-a" "e3de529a24ce4c4c6611e3d5df1825d1348b8662623df5a96475117c3f655527", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling cc v1.0.97
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling miniz_oxide v0.7.3
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling const_fn v0.4.10
[INFO] [stderr]    Compiling prettyplease v0.2.20
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling brotli-decompressor v2.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling syn v2.0.64
[INFO] [stderr]    Compiling openssl-src v300.2.3+3.2.1
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling bytestring v1.3.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling crypto-mac v0.9.1
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling brotli v3.5.0
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling bytemuck v1.16.0
[INFO] [stderr]    Compiling unicode-width v0.1.12
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling exr v1.72.0
[INFO] [stderr]    Compiling png v0.17.13
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling hmac v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling fastrand v2.1.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling base64 v0.21.7
[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/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.64/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=146ce14e5aaa5032 -C extra-filename=-261a41feaff4030f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-df896672a98f0776.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-23aad6dfefdce3e8.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-772f13ecc3fc189a.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e3de529a24ce4c4c6611e3d5df1825d1348b8662623df5a96475117c3f655527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3de529a24ce4c4c6611e3d5df1825d1348b8662623df5a96475117c3f655527", kill_on_drop: false }`
[INFO] [stdout] e3de529a24ce4c4c6611e3d5df1825d1348b8662623df5a96475117c3f655527