[INFO] cloning repository https://github.com/ftilde/umc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ftilde/umc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fumc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fumc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9ce0cc3b8913e60e83dae251705f51f0e755622
[INFO] checking ftilde/umc against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fftilde%2Fumc" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ftilde/umc
[INFO] finished tweaking git repo https://github.com/ftilde/umc
[INFO] tweaked toml for git repo https://github.com/ftilde/umc written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ftilde/umc on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ftilde/umc 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e4a88a8f5c1336a7eee6fcaa99fe2da285ae2f067f003e0be3bb1f9fdb4c30a9
[INFO] running `Command { std: "docker" "start" "e4a88a8f5c1336a7eee6fcaa99fe2da285ae2f067f003e0be3bb1f9fdb4c30a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4a88a8f5c1336a7eee6fcaa99fe2da285ae2f067f003e0be3bb1f9fdb4c30a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e4a88a8f5c1336a7eee6fcaa99fe2da285ae2f067f003e0be3bb1f9fdb4c30a9" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4a88a8f5c1336a7eee6fcaa99fe2da285ae2f067f003e0be3bb1f9fdb4c30a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e4a88a8f5c1336a7eee6fcaa99fe2da285ae2f067f003e0be3bb1f9fdb4c30a9" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]     Checking litemap v0.7.5
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking icu_properties_data v1.5.0
[INFO] [stderr]    Compiling openssl v0.10.71
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking miniz_oxide v0.8.5
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling openssl-sys v0.9.106
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]     Checking quick-xml v0.20.0
[INFO] [stderr]     Checking http v1.2.0
[INFO] [stderr]     Checking unicase v2.8.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking tokio v1.44.0
[INFO] [stderr]    Compiling ndarray v0.8.4
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking winnow v0.7.3
[INFO] [stderr]    Compiling rustix v1.0.1
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking linux-raw-sys v0.9.2
[INFO] [stderr]     Checking str_indices v0.4.4
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking ropey v1.6.1
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.17
[INFO] [stderr]     Checking axum-core v0.5.0
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking clap_builder v4.5.31
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking diligent-date-parser v0.1.5
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking toml_edit v0.22.24
[INFO] [stderr]     Checking nix v0.24.3
[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/a5689b034ad287112f709693384a37f1377eb9cc/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,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -Z embed-metadata=no -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"' --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=6668665dededaf69 -C extra-filename=-f625da2cf9ec1f59 --out-dir /opt/rustwide/target/debug/build/syn/f625da2cf9ec1f59/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/fc1fd0f4d59463bc/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/b3925cc8f83e9ac1/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/fc1fd0f4d59463bc/out/libproc_macro2-fc1fd0f4d59463bc.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/8e0dc74d34c2aef9/out/libquote-8e0dc74d34c2aef9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/b3925cc8f83e9ac1/out/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e4a88a8f5c1336a7eee6fcaa99fe2da285ae2f067f003e0be3bb1f9fdb4c30a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a88a8f5c1336a7eee6fcaa99fe2da285ae2f067f003e0be3bb1f9fdb4c30a9", kill_on_drop: false }`
[INFO] [stdout] e4a88a8f5c1336a7eee6fcaa99fe2da285ae2f067f003e0be3bb1f9fdb4c30a9