[INFO] cloning repository https://github.com/K3cs1/berkalkulator-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/K3cs1/berkalkulator-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK3cs1%2Fberkalkulator-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK3cs1%2Fberkalkulator-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94b62947f82e7c27f0f14221dcba7a1575d1533b
[INFO] checking K3cs1/berkalkulator-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK3cs1%2Fberkalkulator-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/K3cs1/berkalkulator-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/K3cs1/berkalkulator-rust
[INFO] finished tweaking git repo https://github.com/K3cs1/berkalkulator-rust
[INFO] tweaked toml for git repo https://github.com/K3cs1/berkalkulator-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/K3cs1/berkalkulator-rust 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31a3553686474d0107822cca721cc68e1ba28fd3df3367474afe055b42574511
[INFO] running `Command { std: "docker" "start" "-a" "31a3553686474d0107822cca721cc68e1ba28fd3df3367474afe055b42574511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31a3553686474d0107822cca721cc68e1ba28fd3df3367474afe055b42574511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a3553686474d0107822cca721cc68e1ba28fd3df3367474afe055b42574511", kill_on_drop: false }`
[INFO] [stdout] 31a3553686474d0107822cca721cc68e1ba28fd3df3367474afe055b42574511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36c7440824c10608367b1f08cd772a6578e7851fdfe1cc0263554e8f8d046a28
[INFO] running `Command { std: "docker" "start" "-a" "36c7440824c10608367b1f08cd772a6578e7851fdfe1cc0263554e8f8d046a28", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]    Compiling cc v1.0.87
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.8.9
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]     Checking libloading v0.8.1
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]    Compiling wayland-backend v0.3.3
[INFO] [stderr]    Compiling wayland-scanner v0.31.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling indexmap v2.2.3
[INFO] [stderr]     Checking event-listener v5.1.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling roxmltree v0.19.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling bytemuck v1.14.3
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]     Checking event-listener-strategy v0.5.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking futures-lite v2.2.0
[INFO] [stderr]    Compiling fontconfig-parser v0.5.6
[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/385fa9d845dd326c6bbfd58c22244215e431948a/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=ec81387aebaa9c2f -C extra-filename=-ec81387aebaa9c2f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6b6a52a206917441.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e3e2745b1c1d8733.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.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" "36c7440824c10608367b1f08cd772a6578e7851fdfe1cc0263554e8f8d046a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c7440824c10608367b1f08cd772a6578e7851fdfe1cc0263554e8f8d046a28", kill_on_drop: false }`
[INFO] [stdout] 36c7440824c10608367b1f08cd772a6578e7851fdfe1cc0263554e8f8d046a28