[INFO] fetching crate backer 0.11.1...
[INFO] checking backer-0.11.1 against master#f5e2df741b4a9820a7579f0c8eccc951706a8782 for pr-147984
[INFO] extracting crate backer 0.11.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate backer 0.11.1
[INFO] finished tweaking crates.io crate backer 0.11.1
[INFO] tweaked toml for crates.io crate backer 0.11.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate backer 0.11.1 on toolchain f5e2df741b4a9820a7579f0c8eccc951706a8782
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate backer 0.11.1 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" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded egui_extras v0.28.1
[INFO] [stderr]   Downloaded type-map v0.5.0
[INFO] [stderr]   Downloaded ecolor v0.28.1
[INFO] [stderr]   Downloaded emath v0.28.1
[INFO] [stderr]   Downloaded macroquad_macro v0.1.8
[INFO] [stderr]   Downloaded egui-wgpu v0.28.1
[INFO] [stderr]   Downloaded webbrowser v1.0.1
[INFO] [stderr]   Downloaded wayland-protocols-wlr v0.3.4
[INFO] [stderr]   Downloaded eframe v0.28.1
[INFO] [stderr]   Downloaded egui_glow v0.28.1
[INFO] [stderr]   Downloaded cc v1.1.18
[INFO] [stderr]   Downloaded egui-winit v0.28.1
[INFO] [stderr]   Downloaded miniquad v0.4.6
[INFO] [stderr]   Downloaded egui v0.28.1
[INFO] [stderr]   Downloaded epaint v0.28.1
[INFO] [stderr]   Downloaded macroquad v0.4.13
[INFO] [stderr]   Downloaded wayland-protocols v0.32.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24ce01270c78ad436081e90e1103c894ddc8374cc7eff0e1a5bc1f537065e1a0
[INFO] running `Command { std: "docker" "start" "-a" "24ce01270c78ad436081e90e1103c894ddc8374cc7eff0e1a5bc1f537065e1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24ce01270c78ad436081e90e1103c894ddc8374cc7eff0e1a5bc1f537065e1a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ce01270c78ad436081e90e1103c894ddc8374cc7eff0e1a5bc1f537065e1a0", kill_on_drop: false }`
[INFO] [stdout] 24ce01270c78ad436081e90e1103c894ddc8374cc7eff0e1a5bc1f537065e1a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+f5e2df741b4a9820a7579f0c8eccc951706a8782" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 084507d5ca4111b894845c8a4ef4313b0f1b0acab4a300e2d03f82b69d20a664
[INFO] running `Command { std: "docker" "start" "-a" "084507d5ca4111b894845c8a4ef4313b0f1b0acab4a300e2d03f82b69d20a664", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling rustix v0.38.36
[INFO] [stderr]     Checking libloading v0.8.5
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling wayland-sys v0.31.5
[INFO] [stderr]    Compiling quick-xml v0.36.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling cc v1.1.18
[INFO] [stderr]    Compiling wayland-client v0.31.6
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking ttf-parser v0.24.1
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cpufeatures v0.2.14
[INFO] [stderr]    Compiling xml-rs v0.8.21
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking async-broadcast v0.5.1
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking async-executor v1.13.0
[INFO] [stderr]     Checking arrayref v0.3.8
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.18.1
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]    Compiling winit v0.29.15
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]    Compiling wayland-scanner v0.31.5
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking xkbcommon-dl v0.4.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling glutin v0.31.3
[INFO] [stderr]     Checking async-once-cell v0.5.3
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling wayland-backend v0.3.7
[INFO] [stderr]    Compiling mime_guess2 v2.0.5
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]    Compiling glutin-winit v0.4.2
[INFO] [stderr]    Compiling miniquad v0.4.6
[INFO] [stderr]     Checking web-time v0.2.4
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking xdg-home v1.3.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.5.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.6.0
[INFO] [stderr]     Checking owned_ttf_parser v0.24.0
[INFO] [stderr]     Checking webbrowser v1.0.1
[INFO] [stderr]     Checking ab_glyph v0.2.28
[INFO] [stderr]    Compiling document-features v0.2.10
[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/f5e2df741b4a9820a7579f0c8eccc951706a8782/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.76/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=4668c2dfee6b1e8c -C extra-filename=-adca866e9dd4a609 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-90f4d189e3c1781a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-0660da8593602ac0.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" "084507d5ca4111b894845c8a4ef4313b0f1b0acab4a300e2d03f82b69d20a664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "084507d5ca4111b894845c8a4ef4313b0f1b0acab4a300e2d03f82b69d20a664", kill_on_drop: false }`
[INFO] [stdout] 084507d5ca4111b894845c8a4ef4313b0f1b0acab4a300e2d03f82b69d20a664