[INFO] fetching crate gst-plugin-tracers 0.14.1...
[INFO] testing gst-plugin-tracers-0.14.1 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate gst-plugin-tracers 0.14.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate gst-plugin-tracers 0.14.1
[INFO] finished tweaking crates.io crate gst-plugin-tracers 0.14.1
[INFO] tweaked toml for crates.io crate gst-plugin-tracers 0.14.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gst-plugin-tracers 0.14.1 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gst-plugin-tracers 0.14.1 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bed7404a0daa1e0c40ea3caddd187827c525aa1c03b86ff01d5d393f8c584ea
[INFO] running `Command { std: "docker" "start" "-a" "4bed7404a0daa1e0c40ea3caddd187827c525aa1c03b86ff01d5d393f8c584ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bed7404a0daa1e0c40ea3caddd187827c525aa1c03b86ff01d5d393f8c584ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bed7404a0daa1e0c40ea3caddd187827c525aa1c03b86ff01d5d393f8c584ea", kill_on_drop: false }`
[INFO] [stdout] 4bed7404a0daa1e0c40ea3caddd187827c525aa1c03b86ff01d5d393f8c584ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 015ec86d8f98e9e1b8f6436139c8b9094953b0f9cfe729a16f0236f91c07449e
[INFO] running `Command { std: "docker" "start" "-a" "015ec86d8f98e9e1b8f6436139c8b9094953b0f9cfe729a16f0236f91c07449e", kill_on_drop: false }`
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling version-compare v0.2.0
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling toml_datetime v0.7.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling cfg-expr v0.18.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling kstring v2.0.2
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling byteorder_slice v3.0.0
[INFO] [stderr]    Compiling option-operations v0.5.0
[INFO] [stderr]    Compiling muldiv v1.0.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling etherparse v0.19.0
[INFO] [stderr]    Compiling toml_edit v0.23.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling atomic_refcell v0.1.13
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling gst-plugin-version-helper v0.8.3
[INFO] [stderr]    Compiling toml_edit v0.22.27
[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/733b47ea4b1b86216f14ef56e49440c33933f230/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"' --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=eb29080493495b94 -C extra-filename=-90167535f70cec5f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f1712703fbf401f9.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-940ab2d4840f1cd6.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-59080bf303a6834d.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "015ec86d8f98e9e1b8f6436139c8b9094953b0f9cfe729a16f0236f91c07449e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015ec86d8f98e9e1b8f6436139c8b9094953b0f9cfe729a16f0236f91c07449e", kill_on_drop: false }`
[INFO] [stdout] 015ec86d8f98e9e1b8f6436139c8b9094953b0f9cfe729a16f0236f91c07449e
