[INFO] fetching crate md-echo 0.1.0...
[INFO] checking md-echo-0.1.0 against master#fe7294f8793d001bc3f9d197e7cdef6cdb46c15a for pr-153912
[INFO] extracting crate md-echo 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate md-echo 0.1.0
[INFO] finished tweaking crates.io crate md-echo 0.1.0
[INFO] tweaked toml for crates.io crate md-echo 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate md-echo 0.1.0 on toolchain fe7294f8793d001bc3f9d197e7cdef6cdb46c15a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate md-echo 0.1.0 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" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rfd v0.11.4
[INFO] [stderr]   Downloaded atspi v0.19.0
[INFO] [stderr]   Downloaded glib-sys v0.16.3
[INFO] [stderr]   Downloaded pango-sys v0.16.3
[INFO] [stderr]   Downloaded zbus_names v2.6.1
[INFO] [stderr]   Downloaded zbus_macros v3.15.2
[INFO] [stderr]   Downloaded zvariant_utils v1.0.1
[INFO] [stderr]   Downloaded accesskit_macos v0.10.1
[INFO] [stderr]   Downloaded egui-wgpu v0.27.2
[INFO] [stderr]   Downloaded cocoa v0.25.0
[INFO] [stderr]   Downloaded atspi-common v0.3.0
[INFO] [stderr]   Downloaded glutin v0.31.3
[INFO] [stderr]   Downloaded pulldown-cmark v0.10.3
[INFO] [stderr]   Downloaded naga v0.19.2
[INFO] [stderr]   Downloaded gtk-sys v0.16.0
[INFO] [stderr]   Downloaded eframe v0.27.2
[INFO] [stderr]   Downloaded sctk-adwaita v0.8.3
[INFO] [stderr]   Downloaded wayland-protocols-plasma v0.2.0
[INFO] [stderr]   Downloaded zbus v3.15.2
[INFO] [stderr]   Downloaded wayland-protocols v0.32.9
[INFO] [stderr]   Downloaded wgpu v0.19.4
[INFO] [stderr]   Downloaded winit v0.29.15
[INFO] [stderr]   Downloaded objc2 v0.4.1
[INFO] [stderr]   Downloaded wgpu-types v0.19.2
[INFO] [stderr]   Downloaded egui v0.27.2
[INFO] [stderr]   Downloaded async-broadcast v0.5.1
[INFO] [stderr]   Downloaded event-listener v3.1.0
[INFO] [stderr]   Downloaded android-activity v0.5.2
[INFO] [stderr]   Downloaded wgpu-hal v0.19.5
[INFO] [stderr]   Downloaded zvariant v3.15.2
[INFO] [stderr]   Downloaded webbrowser v0.8.15
[INFO] [stderr]   Downloaded gdk-sys v0.16.0
[INFO] [stderr]   Downloaded flate2 v1.1.4
[INFO] [stderr]   Downloaded wgpu-core v0.19.4
[INFO] [stderr]   Downloaded atspi-proxies v0.3.0
[INFO] [stderr]   Downloaded accesskit_unix v0.6.2
[INFO] [stderr]   Downloaded accesskit_consumer v0.16.1
[INFO] [stderr]   Downloaded accesskit_winit v0.16.1
[INFO] [stderr]   Downloaded wayland-protocols-wlr v0.3.9
[INFO] [stderr]   Downloaded egui-winit v0.27.2
[INFO] [stderr]   Downloaded egui_glow v0.27.2
[INFO] [stderr]   Downloaded mime_guess2 v2.3.1
[INFO] [stderr]   Downloaded atk-sys v0.16.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.16.3
[INFO] [stderr]   Downloaded atspi-connection v0.3.0
[INFO] [stderr]   Downloaded icrate v0.0.4
[INFO] [stderr]   Downloaded async-process v1.8.1
[INFO] [stderr]   Downloaded accesskit_windows v0.15.1
[INFO] [stderr]   Downloaded glutin_glx_sys v0.5.0
[INFO] [stderr]   Downloaded glutin-winit v0.4.2
[INFO] [stderr]   Downloaded egui_commonmark v0.15.0
[INFO] [stderr]   Downloaded block2 v0.3.0
[INFO] [stderr]   Downloaded wayland-cursor v0.31.11
[INFO] [stderr]   Downloaded gethostname v1.0.2
[INFO] [stderr]   Downloaded zvariant_derive v3.15.2
[INFO] [stderr]   Downloaded emath v0.27.2
[INFO] [stderr]   Downloaded glutin_egl_sys v0.6.0
[INFO] [stderr]   Downloaded objc2-encode v3.0.0
[INFO] [stderr]   Downloaded epaint v0.27.2
[INFO] [stderr]   Downloaded ecolor v0.27.2
[INFO] [stderr]   Downloaded gobject-sys v0.16.3
[INFO] [stderr]   Downloaded block-sys v0.2.1
[INFO] [stderr]   Downloaded egui_extras v0.27.2
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.16.3
[INFO] [stderr]   Downloaded gio-sys v0.16.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 820ed57549e0f7735505739b46f389fe6d59d95b18e51fa0521c5caa426e9214
[INFO] running `Command { std: "docker" "start" "-a" "820ed57549e0f7735505739b46f389fe6d59d95b18e51fa0521c5caa426e9214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "820ed57549e0f7735505739b46f389fe6d59d95b18e51fa0521c5caa426e9214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820ed57549e0f7735505739b46f389fe6d59d95b18e51fa0521c5caa426e9214", kill_on_drop: false }`
[INFO] [stdout] 820ed57549e0f7735505739b46f389fe6d59d95b18e51fa0521c5caa426e9214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd9b83a2dcc815864f6046c9f425b09d8ec84ec22ecb5d6c43fc124490f8a87f
[INFO] running `Command { std: "docker" "start" "-a" "cd9b83a2dcc815864f6046c9f425b09d8ec84ec22ecb5d6c43fc124490f8a87f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling find-msvc-tools v0.1.3
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking libloading v0.8.9
[INFO] [stderr]    Compiling wayland-sys v0.31.7
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling wayland-client v0.31.11
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.2.40
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]    Compiling quick-xml v0.37.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling enumflags2_derive v0.7.12
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.10
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling system-deps v6.2.2
[INFO] [stderr]    Compiling wayland-scanner v0.31.7
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling wayland-backend v0.3.11
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking tinystr v0.8.1
[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/fe7294f8793d001bc3f9d197e7cdef6cdb46c15a/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=bbb9acacbffbd58f -C extra-filename=-1c1ce32ce31d2b2f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-369d8852c9a54258.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-c6819fc659b84ed7.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b4c15d9166d0a657.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" "cd9b83a2dcc815864f6046c9f425b09d8ec84ec22ecb5d6c43fc124490f8a87f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9b83a2dcc815864f6046c9f425b09d8ec84ec22ecb5d6c43fc124490f8a87f", kill_on_drop: false }`
[INFO] [stdout] cd9b83a2dcc815864f6046c9f425b09d8ec84ec22ecb5d6c43fc124490f8a87f