[INFO] fetching crate nervemq 0.1.0-alpha.1...
[INFO] documenting nervemq-0.1.0-alpha.1 against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] extracting crate nervemq 0.1.0-alpha.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate nervemq 0.1.0-alpha.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nervemq 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate nervemq 0.1.0-alpha.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nervemq 0.1.0-alpha.1 on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nervemq 0.1.0-alpha.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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb68ea252fb4d7e653b0a5627b5a6ff9a783e4e6d34e160c4038b6bb1bdc1a4a
[INFO] running `Command { std: "docker" "start" "-a" "eb68ea252fb4d7e653b0a5627b5a6ff9a783e4e6d34e160c4038b6bb1bdc1a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb68ea252fb4d7e653b0a5627b5a6ff9a783e4e6d34e160c4038b6bb1bdc1a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb68ea252fb4d7e653b0a5627b5a6ff9a783e4e6d34e160c4038b6bb1bdc1a4a", kill_on_drop: false }`
[INFO] [stdout] eb68ea252fb4d7e653b0a5627b5a6ff9a783e4e6d34e160c4038b6bb1bdc1a4a
[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=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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ebb82170746035457dd65d05f08948dbc750fc3f118b6de86322118983a2547
[INFO] running `Command { std: "docker" "start" "-a" "0ebb82170746035457dd65d05f08948dbc750fc3f118b6de86322118983a2547", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking cpufeatures v0.2.15
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking hashbrown v0.15.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]     Checking litemap v0.7.3
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]     Checking outref v0.5.1
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]     Checking local-waker v0.1.4
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]     Checking actix-utils v3.0.1
[INFO] [stderr]     Checking actix-service v2.0.2
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]     Checking regex-lite v0.1.6
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking brotli-decompressor v4.0.1
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling cc v1.2.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking base64-simd v0.8.0
[INFO] [stderr]     Checking uuid v1.11.0
[INFO] [stderr]    Compiling bytestring v1.3.1
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.20
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking local-channel v0.1.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking brotli v6.0.0
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking impl-more v0.1.8
[INFO] [stderr]     Checking base64 v0.20.0
[INFO] [stderr]    Compiling rustix v0.38.41
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]    Compiling hashlink v0.9.1
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling aws-types v1.3.3
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling prettyplease v0.2.25
[INFO] [stderr]    Compiling sha2-asm v0.6.4
[INFO] [stderr]    Compiling openssl-sys v0.9.104
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]     Checking fastrand v2.2.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking sqlformat v0.2.6
[INFO] [stderr]     Checking crc v3.2.1
[INFO] [stderr]    Compiling openssl v0.10.68
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking atoi v2.0.0
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking base64ct v1.6.0
[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/a394c9cd9ec93787f09a7ac445b14cc674a94549/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.87/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=43fcead569686c70 -C extra-filename=-b0ad1063809e146b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a6b76b40120fed1b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-17363c12faf47457.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d14904b1232aa2ec.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" "0ebb82170746035457dd65d05f08948dbc750fc3f118b6de86322118983a2547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ebb82170746035457dd65d05f08948dbc750fc3f118b6de86322118983a2547", kill_on_drop: false }`
[INFO] [stdout] 0ebb82170746035457dd65d05f08948dbc750fc3f118b6de86322118983a2547
