[INFO] fetching crate zen-engine 0.53.0...
[INFO] checking zen-engine-0.53.0 against try#595142ec72045c7f2fab2923de8e59995a52e6e7 for pr-151830
[INFO] extracting crate zen-engine 0.53.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate zen-engine 0.53.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate zen-engine 0.53.0
[INFO] tweaked toml for crates.io crate zen-engine 0.53.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zen-engine 0.53.0 on toolchain 595142ec72045c7f2fab2923de8e59995a52e6e7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zen-engine 0.53.0 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" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75765a072202d873f630bce5ae8642ae562ef34131786ac5dc4aca4a4b027180
[INFO] running `Command { std: "docker" "start" "-a" "75765a072202d873f630bce5ae8642ae562ef34131786ac5dc4aca4a4b027180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75765a072202d873f630bce5ae8642ae562ef34131786ac5dc4aca4a4b027180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75765a072202d873f630bce5ae8642ae562ef34131786ac5dc4aca4a4b027180", kill_on_drop: false }`
[INFO] [stdout] 75765a072202d873f630bce5ae8642ae562ef34131786ac5dc4aca4a4b027180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7291361ff7f745be0bc50a93a6538ee74aa62843b390b3668467ceb1d35b4727
[INFO] running `Command { std: "docker" "start" "-a" "7291361ff7f745be0bc50a93a6538ee74aa62843b390b3668467ceb1d35b4727", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling cc v1.2.53
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking chrono v0.4.43
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking webpki-roots v1.0.5
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking ryu v1.0.22
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking salsa20 v0.10.2
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]    Compiling time-core v0.1.7
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling num-bigint-dig v0.8.6
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking scrypt v0.11.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling time-macros v0.2.25
[INFO] [stderr]    Compiling rust_decimal v1.40.0
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking pem v3.0.6
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]    Compiling pest v2.8.5
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking pkcs5 v0.7.1
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling relative-path v2.0.1
[INFO] [stderr]     Checking borrow-or-share v0.2.4
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]    Compiling convert_case v0.8.0
[INFO] [stderr]     Checking bumpalo v3.19.1
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling rquickjs-sys v0.10.0
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking pkcs1 v0.7.5
[INFO] [stderr]     Checking uuid v1.19.0
[INFO] [stderr]     Checking clap_builder v4.5.54
[INFO] [stderr]     Checking time v0.3.45
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking fraction v0.15.3
[INFO] [stderr]     Checking uuid-simd v0.8.0
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]     Checking ucd-trie v0.1.7
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]    Compiling pest_meta v2.8.5
[INFO] [stderr]     Checking petgraph v0.8.3
[INFO] [stderr]     Checking dlv-list v0.5.2
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking ordered-multimap v0.7.3
[INFO] [stderr]     Checking rust-ini v0.21.3
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tempfile v3.24.0
[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/595142ec72045c7f2fab2923de8e59995a52e6e7/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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=924499ec0c93f174 -C extra-filename=-c4e637ee218314b7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fce1a70fd2c3744d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e054a971070e2c6a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.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" "7291361ff7f745be0bc50a93a6538ee74aa62843b390b3668467ceb1d35b4727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7291361ff7f745be0bc50a93a6538ee74aa62843b390b3668467ceb1d35b4727", kill_on_drop: false }`
[INFO] [stdout] 7291361ff7f745be0bc50a93a6538ee74aa62843b390b3668467ceb1d35b4727