[INFO] fetching crate cwab 0.6.2...
[INFO] testing cwab-0.6.2 against 1.81.0 for beta-1.82-1
[INFO] extracting crate cwab 0.6.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cwab 0.6.2 on toolchain 1.81.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate cwab 0.6.2
[INFO] finished tweaking crates.io crate cwab 0.6.2
[INFO] tweaked toml for crates.io crate cwab 0.6.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cwab 0.6.2 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" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-scoped v0.7.1
[INFO] [stderr]   Downloaded cron v0.12.0
[INFO] [stderr]   Downloaded toml v0.8.2
[INFO] [stderr]   Downloaded tracing v0.1.39
[INFO] [stderr]   Downloaded tokio-util v0.7.9
[INFO] [stderr]   Downloaded redis v0.23.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3d4d41e6912a7c99629bcb7e37b63228d8471d0886065d12220d275e21e30ee
[INFO] running `Command { std: "docker" "start" "-a" "d3d4d41e6912a7c99629bcb7e37b63228d8471d0886065d12220d275e21e30ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3d4d41e6912a7c99629bcb7e37b63228d8471d0886065d12220d275e21e30ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d4d41e6912a7c99629bcb7e37b63228d8471d0886065d12220d275e21e30ee", kill_on_drop: false }`
[INFO] [stdout] d3d4d41e6912a7c99629bcb7e37b63228d8471d0886065d12220d275e21e30ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0719bc949e28cf3b81bc005a64eea52b16b36c726b52742df10c1e86d18c1d02
[INFO] running `Command { std: "docker" "start" "-a" "0719bc949e28cf3b81bc005a64eea52b16b36c726b52742df10c1e86d18c1d02", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling tracing v0.1.39
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.5.4
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling zeroize v1.6.0
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling hashbrown v0.14.1
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.7
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling object v0.32.1
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling winnow v0.5.17
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling blake3 v1.5.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling indexmap v2.0.2
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling clap_builder v4.4.6
[INFO] [stderr]    Compiling poly1305 v0.8.0
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling chacha20 v0.9.1
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling r2d2 v0.8.10
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling constant_time_eq v0.3.0
[INFO] [stderr]    Compiling base64 v0.21.4
[INFO] [stderr]    Compiling sha1_smol v1.0.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling ipnet v2.8.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling crossbeam v0.8.2
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling chacha20poly1305 v0.10.1
[INFO] [stderr]    Compiling pbkdf2 v0.12.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling tempfile v3.8.0
[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/1.81.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.38/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=0fe20c5d65e0ce6c -C extra-filename=-0fe20c5d65e0ce6c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f622250fce4cc3d4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-08aa59bf0f69b1e7.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9718b2370c14f9de.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" "0719bc949e28cf3b81bc005a64eea52b16b36c726b52742df10c1e86d18c1d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0719bc949e28cf3b81bc005a64eea52b16b36c726b52742df10c1e86d18c1d02", kill_on_drop: false }`
[INFO] [stdout] 0719bc949e28cf3b81bc005a64eea52b16b36c726b52742df10c1e86d18c1d02