[INFO] cloning repository https://github.com/oleksShevch/rust_calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oleksShevch/rust_calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FoleksShevch%2Frust_calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FoleksShevch%2Frust_calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 119c3f262c6b7140e5b12479cfabd86e222e6c9a
[INFO] building oleksShevch/rust_calculator against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FoleksShevch%2Frust_calculator" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oleksShevch/rust_calculator on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oleksShevch/rust_calculator
[INFO] finished tweaking git repo https://github.com/oleksShevch/rust_calculator
[INFO] tweaked toml for git repo https://github.com/oleksShevch/rust_calculator written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/oleksShevch/rust_calculator 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 961d5ada9a689c95e7ff9bb4488a51155d3fa3ce1cda38567014a7c40afe526a
[INFO] running `Command { std: "docker" "start" "-a" "961d5ada9a689c95e7ff9bb4488a51155d3fa3ce1cda38567014a7c40afe526a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "961d5ada9a689c95e7ff9bb4488a51155d3fa3ce1cda38567014a7c40afe526a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "961d5ada9a689c95e7ff9bb4488a51155d3fa3ce1cda38567014a7c40afe526a", kill_on_drop: false }`
[INFO] [stdout] 961d5ada9a689c95e7ff9bb4488a51155d3fa3ce1cda38567014a7c40afe526a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f7c59d58cec502f25dd5dff718c6ac05f94bfe4bd3c96c1582506d57e2c492d
[INFO] running `Command { std: "docker" "start" "-a" "3f7c59d58cec502f25dd5dff718c6ac05f94bfe4bd3c96c1582506d57e2c492d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling cc v1.1.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling hashbrown v0.15.0
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling quick-xml v0.36.2
[INFO] [stderr]    Compiling wayland-client v0.31.6
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling wayland-sys v0.31.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.2
[INFO] [stderr]    Compiling piper v0.2.4
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling wayland-scanner v0.31.5
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling ttf-parser v0.25.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling async-executor v1.13.1
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling wayland-backend v0.3.7
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling xdg-home v1.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling async-broadcast v0.5.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling xml-rs v0.8.22
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling accesskit v0.16.1
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling immutable-chunkmap v2.0.5
[INFO] [stderr]    Compiling winit v0.30.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling xkbcommon-dl v0.4.2
[INFO] [stderr]    Compiling accesskit_consumer v0.24.1
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling epaint_default_fonts v0.29.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.17
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.6.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.7.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling glutin v0.32.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling flate2 v1.0.34
[INFO] [stderr]    Compiling fdeflate v0.3.5
[INFO] [stderr]    Compiling glutin-winit v0.5.0
[INFO] [stderr]    Compiling owned_ttf_parser v0.25.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling ab_glyph v0.2.29
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling png v0.17.14
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling web-time v1.1.0
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling glow v0.14.1
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling zvariant_utils v1.0.1
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling document-features v0.2.10
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling humantime v2.1.0
[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/8b8eff55bd72abbb57167bc42222a7f91d41cb0d/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="fold"' --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=d6f73cc5e52c8895 -C extra-filename=-7f0728ec07d8d679 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ac2157d5ee7ff687.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-af284280f8e07568.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b76a8082b3bda540.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3f7c59d58cec502f25dd5dff718c6ac05f94bfe4bd3c96c1582506d57e2c492d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7c59d58cec502f25dd5dff718c6ac05f94bfe4bd3c96c1582506d57e2c492d", kill_on_drop: false }`
[INFO] [stdout] 3f7c59d58cec502f25dd5dff718c6ac05f94bfe4bd3c96c1582506d57e2c492d