[INFO] cloning repository https://github.com/mimuw-jnp2-rust/project-matrix-busters
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mimuw-jnp2-rust/project-matrix-busters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimuw-jnp2-rust%2Fproject-matrix-busters", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimuw-jnp2-rust%2Fproject-matrix-busters'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aabc91932255b97c6d93c9c3ecc9407f7b56655c
[INFO] checking mimuw-jnp2-rust/project-matrix-busters against master#217cb73577ed6f30a2005dd75bab01d23ec4cd60 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmimuw-jnp2-rust%2Fproject-matrix-busters" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mimuw-jnp2-rust/project-matrix-busters
[INFO] finished tweaking git repo https://github.com/mimuw-jnp2-rust/project-matrix-busters
[INFO] tweaked toml for git repo https://github.com/mimuw-jnp2-rust/project-matrix-busters written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mimuw-jnp2-rust/project-matrix-busters on toolchain 217cb73577ed6f30a2005dd75bab01d23ec4cd60
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mimuw-jnp2-rust/project-matrix-busters 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" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded webbrowser v0.8.14
[INFO] [stderr]   Downloaded xdg-home v1.1.0
[INFO] [stderr]   Downloaded ab_glyph v0.2.24
[INFO] [stderr]   Downloaded async-recursion v1.1.0
[INFO] [stderr]   Downloaded enumflags2_derive v0.7.9
[INFO] [stderr]   Downloaded async-executor v1.10.0
[INFO] [stderr]   Downloaded clipboard-win v5.3.0
[INFO] [stderr]   Downloaded enumflags2 v0.7.9
[INFO] [stderr]   Downloaded time v0.3.35
[INFO] [stderr]   Downloaded egui-toast v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4fe3f11789c17e14444baf92dc25bbd6f41816ce5c9bd5f3f2a483839890594
[INFO] running `Command { std: "docker" "start" "-a" "f4fe3f11789c17e14444baf92dc25bbd6f41816ce5c9bd5f3f2a483839890594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4fe3f11789c17e14444baf92dc25bbd6f41816ce5c9bd5f3f2a483839890594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fe3f11789c17e14444baf92dc25bbd6f41816ce5c9bd5f3f2a483839890594", kill_on_drop: false }`
[INFO] [stdout] f4fe3f11789c17e14444baf92dc25bbd6f41816ce5c9bd5f3f2a483839890594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccd01ce2b20febfed5ab72e9bfa56d8ac42d1c81eb5f19d123f7ec61f3f695b1
[INFO] running `Command { std: "docker" "start" "-a" "ccd01ce2b20febfed5ab72e9bfa56d8ac42d1c81eb5f19d123f7ec61f3f695b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling futures-lite v2.3.0
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling async-task v4.7.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.1
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling concurrent-queue v2.4.0
[INFO] [stderr]     Checking async-channel v2.2.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]     Checking accesskit v0.9.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking owned_ttf_parser v0.20.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking ab_glyph v0.2.24
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling xdg-home v1.1.0
[INFO] [stderr]     Checking x11-dl v2.21.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling async-executor v1.10.0
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]    Compiling async-broadcast v0.5.1
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling winit v0.28.7
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.5.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking accesskit_consumer v0.13.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking x11rb-protocol v0.13.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking time v0.3.35
[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/217cb73577ed6f30a2005dd75bab01d23ec4cd60/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.58/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="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=5895028e9e194a23 -C extra-filename=-ea3d03064c2db5f3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a63140b18bb374d6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ca28cd4d9f13f10b.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" "ccd01ce2b20febfed5ab72e9bfa56d8ac42d1c81eb5f19d123f7ec61f3f695b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd01ce2b20febfed5ab72e9bfa56d8ac42d1c81eb5f19d123f7ec61f3f695b1", kill_on_drop: false }`
[INFO] [stdout] ccd01ce2b20febfed5ab72e9bfa56d8ac42d1c81eb5f19d123f7ec61f3f695b1