[INFO] fetching crate fnox 0.1.0...
[INFO] checking fnox-0.1.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate fnox 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate fnox 0.1.0
[INFO] finished tweaking crates.io crate fnox 0.1.0
[INFO] tweaked toml for crates.io crate fnox 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fnox 0.1.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fnox 0.1.0 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded os_pipe v1.2.3
[INFO] [stderr]   Downloaded owo-colors v4.2.3
[INFO] [stderr]   Downloaded versions v7.0.0
[INFO] [stderr]   Downloaded sigchld v0.2.4
[INFO] [stderr]   Downloaded homedir v0.3.5
[INFO] [stderr]   Downloaded globset v0.4.17
[INFO] [stderr]   Downloaded xx v2.2.0
[INFO] [stderr]   Downloaded ignore v0.4.24
[INFO] [stderr]   Downloaded usage-lib v2.3.2
[INFO] [stderr]   Downloaded tokio-retry2 v0.5.8
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[INFO] [stderr]   Downloaded io_tee v0.1.1
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[INFO] [stderr]   Downloaded aws-runtime v1.5.12
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[INFO] [stderr]   Downloaded ci_info v0.14.14
[INFO] [stderr]   Downloaded aws-sigv4 v1.3.5
[INFO] [stderr]   Downloaded google-cloud-wkt v1.1.0
[INFO] [stderr]   Downloaded aws-sdk-sso v1.86.0
[INFO] [stderr]   Downloaded aws-sdk-ssooidc v1.88.0
[INFO] [stderr]   Downloaded google-cloud-auth v1.0.1
[INFO] [stderr]   Downloaded aws-config v1.8.8
[INFO] [stderr]   Downloaded keyring v3.6.3
[INFO] [stderr]   Downloaded aws-sdk-sts v1.88.0
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[INFO] [stderr]   Downloaded rust-embed-utils v8.8.0
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[INFO] [stderr]   Downloaded azure_core v0.21.0
[INFO] [stderr]   Downloaded google-cloud-metadata v0.5.1
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[INFO] [stderr]   Downloaded google-cloud-auth v0.17.2
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[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da7250d483696710b456a31c3c1c1673b475c88eb20687fe3e105cce9022a6ea
[INFO] running `Command { std: "docker" "start" "-a" "da7250d483696710b456a31c3c1c1673b475c88eb20687fe3e105cce9022a6ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da7250d483696710b456a31c3c1c1673b475c88eb20687fe3e105cce9022a6ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da7250d483696710b456a31c3c1c1673b475c88eb20687fe3e105cce9022a6ea", kill_on_drop: false }`
[INFO] [stdout] da7250d483696710b456a31c3c1c1673b475c88eb20687fe3e105cce9022a6ea
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a8f1e642d37bde07d31216b7e30e72fe9cf57db2a209407fe3f66721b75f57e
[INFO] running `Command { std: "docker" "start" "-a" "8a8f1e642d37bde07d31216b7e30e72fe9cf57db2a209407fe3f66721b75f57e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.107
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling aws-lc-rs v1.14.1
[INFO] [stderr]    Compiling rustls v0.23.33
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking outref v0.5.2
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]    Compiling openssl v0.10.74
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]    Compiling aws-types v1.3.9
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking base64-simd v0.8.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking object v0.37.3
[INFO] [stderr]    Compiling type-map v0.5.1
[INFO] [stderr]    Compiling google-cloud-auth v1.0.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking regex-lite v0.1.8
[INFO] [stderr]    Compiling self_cell v1.2.0
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling rust-embed-utils v8.8.0
[INFO] [stderr]    Compiling self_cell v0.10.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking vte v0.14.1
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling cc v1.2.41
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling google-cloud-gax-internal v0.7.2
[INFO] [stderr]     Checking os_pipe v1.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling async-io v2.6.0
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking supports-color v3.0.2
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking deranged v0.5.4
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking sigchld v0.2.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking flate2 v1.1.4
[INFO] [stderr]     Checking ansitok v0.3.0
[INFO] [stderr]    Compiling pest_meta v2.8.3
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling azure_core v0.21.0
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]    Compiling const_fn v0.4.11
[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/642c19bfc3a5c1de985bf5d0cc8207ac9d22708a/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.107/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"' --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=e4cb1784da22e5e8 -C extra-filename=-9909e2f0c6d2a6cc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a28683de7e2d991e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-de6dd437dfb273ce.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b4c15d9166d0a657.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" "8a8f1e642d37bde07d31216b7e30e72fe9cf57db2a209407fe3f66721b75f57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8f1e642d37bde07d31216b7e30e72fe9cf57db2a209407fe3f66721b75f57e", kill_on_drop: false }`
[INFO] [stdout] 8a8f1e642d37bde07d31216b7e30e72fe9cf57db2a209407fe3f66721b75f57e