[INFO] fetching crate proofmode 0.2.0...
[INFO] checking proofmode-0.2.0 against try#0f31acebf540c89e4a4d5d114959fe91973419cb for pr-147017
[INFO] extracting crate proofmode 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate proofmode 0.2.0
[INFO] finished tweaking crates.io crate proofmode 0.2.0
[INFO] tweaked toml for crates.io crate proofmode 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate proofmode 0.2.0 on toolchain 0f31acebf540c89e4a4d5d114959fe91973419cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate proofmode 0.2.0 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" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69a438ae3378ff9d651550d040b8c1e1703d421b5894f2790cddb56eb02e9878
[INFO] running `Command { std: "docker" "start" "-a" "69a438ae3378ff9d651550d040b8c1e1703d421b5894f2790cddb56eb02e9878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69a438ae3378ff9d651550d040b8c1e1703d421b5894f2790cddb56eb02e9878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a438ae3378ff9d651550d040b8c1e1703d421b5894f2790cddb56eb02e9878", kill_on_drop: false }`
[INFO] [stdout] 69a438ae3378ff9d651550d040b8c1e1703d421b5894f2790cddb56eb02e9878
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b943355c88c7bf64055901ef526ea3a8c960b44269f793cfa9157e3922930988
[INFO] running `Command { std: "docker" "start" "-a" "b943355c88c7bf64055901ef526ea3a8c960b44269f793cfa9157e3922930988", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling serde v1.0.200
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling cc v1.0.96
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling target-features v0.1.6
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling polars-utils v0.37.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking lexical-util v0.8.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling polars-arrow v0.37.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking foreign_vec v0.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking fast-float v0.2.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking atoi_simd v0.15.6
[INFO] [stderr]     Checking ethnum v1.5.0
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling typewit_proc_macros v1.8.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking rustls-pki-types v1.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking typewit v1.9.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking lexical-write-integer v0.8.5
[INFO] [stderr]     Checking lexical-parse-integer v0.8.6
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]    Compiling polars-compute v0.37.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling ref-cast v1.0.22
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling platforms v3.4.0
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking lexical-write-float v0.8.5
[INFO] [stderr]     Checking lexical-parse-float v0.8.5
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking konst_kernel v0.3.9
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling uuid v1.3.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling polars-core v0.37.0
[INFO] [stderr]    Compiling built v0.7.2
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking strum v0.26.2
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]     Checking const_panic v0.2.8
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]     Checking heapless v0.8.0
[INFO] [stderr]     Checking v_frame v0.3.8
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking konst v0.3.9
[INFO] [stderr]     Checking dlv-list v0.5.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]     Checking jzon v0.12.5
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]    Compiling pix v0.13.3
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]     Checking xxhash-rust v0.8.10
[INFO] [stderr]    Compiling bitcoin-private v0.1.0
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]     Checking winnow v0.6.7
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling oid-registry v0.6.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]     Checking ordered-multimap v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling darling_core v0.14.4
[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/0f31acebf540c89e4a4d5d114959fe91973419cb/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=70d4d50b28ad6b4a -C extra-filename=-a8fb27820e0edc20 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-cd783e91e9969cc7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-6bde5cd1c8ecb660.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.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" "b943355c88c7bf64055901ef526ea3a8c960b44269f793cfa9157e3922930988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b943355c88c7bf64055901ef526ea3a8c960b44269f793cfa9157e3922930988", kill_on_drop: false }`
[INFO] [stdout] b943355c88c7bf64055901ef526ea3a8c960b44269f793cfa9157e3922930988