[INFO] fetching crate myc-core 8.1.1-rc.2...
[INFO] testing myc-core-8.1.1-rc.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate myc-core 8.1.1-rc.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate myc-core 8.1.1-rc.2
[INFO] finished tweaking crates.io crate myc-core 8.1.1-rc.2
[INFO] tweaked toml for crates.io crate myc-core 8.1.1-rc.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate myc-core 8.1.1-rc.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate myc-core 8.1.1-rc.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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.220
[INFO] [stderr]   Downloaded serde_derive v1.0.220
[INFO] [stderr]   Downloaded totp-rs v5.7.0
[INFO] [stderr]   Downloaded qrcodegen v1.8.0
[INFO] [stderr]   Downloaded qrcodegen-image v1.5.0
[INFO] [stderr]   Downloaded serde_core v1.0.220
[INFO] [stderr]   Downloaded downcast v0.11.0
[INFO] [stderr]   Downloaded shaku_derive v0.6.1
[INFO] [stderr]   Downloaded fragile v2.0.1
[INFO] [stderr]   Downloaded jsonwebtoken v8.3.0
[INFO] [stderr]   Downloaded enum-iterator-derive v1.4.0
[INFO] [stderr]   Downloaded unic-segment v0.9.0
[INFO] [stderr]   Downloaded pasetors v0.6.8
[INFO] [stderr]   Downloaded cc v1.2.29
[INFO] [stderr]   Downloaded orion v0.17.11
[INFO] [stderr]   Downloaded parse-zoneinfo v0.3.1
[INFO] [stderr]   Downloaded tera v1.20.0
[INFO] [stderr]   Downloaded pest v2.8.1
[INFO] [stderr]   Downloaded chrono-tz v0.9.0
[INFO] [stderr]   Downloaded unidecode v0.3.0
[INFO] [stderr]   Downloaded deunicode v1.6.2
[INFO] [stderr]   Downloaded serde_json v1.0.144
[INFO] [stderr]   Downloaded utoipa-gen v5.4.0
[INFO] [stderr]   Downloaded utoipa v5.4.0
[INFO] [stderr]   Downloaded slugify v0.1.0
[INFO] [stderr]   Downloaded humansize v2.1.3
[INFO] [stderr]   Downloaded pest_meta v2.8.1
[INFO] [stderr]   Downloaded pest_generator v2.8.1
[INFO] [stderr]   Downloaded pest_derive v2.8.1
[INFO] [stderr]   Downloaded mycelium-base v8.1.1-rc.2
[INFO] [stderr]   Downloaded fiat-crypto v0.3.0
[INFO] [stderr]   Downloaded unic-ucd-segment v0.9.0
[INFO] [stderr]   Downloaded mycelium-config v8.1.1-rc.2
[INFO] [stderr]   Downloaded mockall_derive v0.11.4
[INFO] [stderr]   Downloaded predicates v2.1.5
[INFO] [stderr]   Downloaded mockall v0.11.4
[INFO] [stderr]   Downloaded ct-codecs v1.1.6
[INFO] [stderr]   Downloaded ed25519-compact v2.1.1
[INFO] [stderr]   Downloaded chrono-tz-build v0.3.0
[INFO] [stderr]   Downloaded shaku v0.6.2
[INFO] [stderr]   Downloaded slug v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a773097da9a94d66ce759ecc6c0a955e34e4fc9d8f5c78e5d6c13f15dfbd0d32
[INFO] running `Command { std: "docker" "start" "-a" "a773097da9a94d66ce759ecc6c0a955e34e4fc9d8f5c78e5d6c13f15dfbd0d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a773097da9a94d66ce759ecc6c0a955e34e4fc9d8f5c78e5d6c13f15dfbd0d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a773097da9a94d66ce759ecc6c0a955e34e4fc9d8f5c78e5d6c13f15dfbd0d32", kill_on_drop: false }`
[INFO] [stdout] a773097da9a94d66ce759ecc6c0a955e34e4fc9d8f5c78e5d6c13f15dfbd0d32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 383694ad6c9c13e49678fbbd18328b95796f7d2171929a723f37d52a66fca0f6
[INFO] running `Command { std: "docker" "start" "-a" "383694ad6c9c13e49678fbbd18328b95796f7d2171929a723f37d52a66fca0f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde_core v1.0.220
[INFO] [stderr]    Compiling serde v1.0.220
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling serde_json v1.0.144
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.11
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling qrcodegen v1.8.0
[INFO] [stderr]    Compiling fiat-crypto v0.3.0
[INFO] [stderr]    Compiling deunicode v1.6.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling base64 v0.13.1
[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/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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=bcebb22733c1a4b9 -C extra-filename=-f9cb331781faf872 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09040b10b620fa15.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "383694ad6c9c13e49678fbbd18328b95796f7d2171929a723f37d52a66fca0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "383694ad6c9c13e49678fbbd18328b95796f7d2171929a723f37d52a66fca0f6", kill_on_drop: false }`
[INFO] [stdout] 383694ad6c9c13e49678fbbd18328b95796f7d2171929a723f37d52a66fca0f6