[INFO] fetching crate tc-basic-authorship 0.8.0...
[INFO] checking tc-basic-authorship-0.8.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate tc-basic-authorship 0.8.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate tc-basic-authorship 0.8.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-basic-authorship 0.8.0
[INFO] finished tweaking crates.io crate tc-basic-authorship 0.8.0
[INFO] tweaked toml for crates.io crate tc-basic-authorship 0.8.0 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5463b6af10ac7e6e0a1930fcb4f5da7aa0185241233af9c6381badffe8e6e18a
[INFO] running `Command { std: "docker" "start" "-a" "5463b6af10ac7e6e0a1930fcb4f5da7aa0185241233af9c6381badffe8e6e18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5463b6af10ac7e6e0a1930fcb4f5da7aa0185241233af9c6381badffe8e6e18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5463b6af10ac7e6e0a1930fcb4f5da7aa0185241233af9c6381badffe8e6e18a", kill_on_drop: false }`
[INFO] [stdout] 5463b6af10ac7e6e0a1930fcb4f5da7aa0185241233af9c6381badffe8e6e18a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6ec258c45455c637d2154965d1d4788d9fbeadea61d84c8d857f50d191f5dfd
[INFO] running `Command { std: "docker" "start" "-a" "a6ec258c45455c637d2154965d1d4788d9fbeadea61d84c8d857f50d191f5dfd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking byte-slice-cast v1.1.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking tetcore-std v2.1.2
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling tetsy-util-mem v0.9.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking tetsy-wasm v0.41.0
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking environ v1.1.3
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking tetsy-hash-db v0.15.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.78
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]    Compiling bumpalo v3.7.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking unsigned-varint v0.7.0
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking unsigned-varint v0.6.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking tetsy-send-wrapper v0.1.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking retain_mut v0.1.3
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.76/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --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="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=e3448d6b7d101d33 -C extra-filename=-e3448d6b7d101d33 --out-dir /opt/rustwide/target/debug/build/syn-e3448d6b7d101d33 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a6ec258c45455c637d2154965d1d4788d9fbeadea61d84c8d857f50d191f5dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ec258c45455c637d2154965d1d4788d9fbeadea61d84c8d857f50d191f5dfd", kill_on_drop: false }`
[INFO] [stdout] a6ec258c45455c637d2154965d1d4788d9fbeadea61d84c8d857f50d191f5dfd