[INFO] fetching crate mech-notebook 0.2.47...
[INFO] building mech-notebook-0.2.47 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate mech-notebook 0.2.47 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate mech-notebook 0.2.47
[INFO] finished tweaking crates.io crate mech-notebook 0.2.47
[INFO] tweaked toml for crates.io crate mech-notebook 0.2.47 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mech-notebook 0.2.47 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mech-notebook 0.2.47 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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 ...
[INFO] [stderr]   Downloaded bit-vec v0.7.0
[INFO] [stderr]   Downloaded nt-time v0.8.1
[INFO] [stderr]   Downloaded as-raw-xcb-connection v1.0.1
[INFO] [stderr]   Downloaded bit-set v0.6.0
[INFO] [stderr]   Downloaded filetime_creation v0.2.0
[INFO] [stderr]   Downloaded enumflags2_derive v0.7.12
[INFO] [stderr]   Downloaded lzma-rust v0.1.7
[INFO] [stderr]   Downloaded immutable-chunkmap v2.0.6
[INFO] [stderr]   Downloaded async-compression v0.4.23
[INFO] [stderr]   Downloaded smithay-clipboard v0.7.2
[INFO] [stderr]   Downloaded sevenz-rust v0.6.1
[INFO] [stderr]   Downloaded accesskit_atspi_common v0.10.1
[INFO] [stderr]   Downloaded type-map v0.5.1
[INFO] [stderr]   Downloaded async-process v2.3.1
[INFO] [stderr]   Downloaded zbus-lockstep v0.4.4
[INFO] [stderr]   Downloaded atspi-connection v0.6.0
[INFO] [stderr]   Downloaded accesskit_macos v0.18.1
[INFO] [stderr]   Downloaded enumflags2 v0.7.12
[INFO] [stderr]   Downloaded atspi-common v0.6.0
[INFO] [stderr]   Downloaded quick-xml v0.30.0
[INFO] [stderr]   Downloaded mech-logic v0.2.47
[INFO] [stderr]   Downloaded mech-matrix v0.2.47
[INFO] [stderr]   Downloaded mech-stats v0.2.47
[INFO] [stderr]   Downloaded atspi-proxies v0.6.0
[INFO] [stderr]   Downloaded egui v0.31.1
[INFO] [stderr]   Downloaded winit v0.30.11
[INFO] [stderr]   Downloaded eframe v0.31.1
[INFO] [stderr]   Downloaded quick-xml v0.37.5
[INFO] [stderr]   Downloaded mech-syntax v0.2.47
[INFO] [stderr]   Downloaded mech-core v0.2.47
[INFO] [stderr]   Downloaded async-io v2.4.1
[INFO] [stderr]   Downloaded wayland-protocols v0.32.8
[INFO] [stderr]   Downloaded mech-math v0.2.47
[INFO] [stderr]   Downloaded mech-range v0.2.47
[INFO] [stderr]   Downloaded wayland-protocols-plasma v0.3.8
[INFO] [stderr]   Downloaded epaint_default_fonts v0.31.1
[INFO] [stderr]   Downloaded epaint v0.31.1
[INFO] [stderr]   Downloaded wayland-protocols-wlr v0.3.8
[INFO] [stderr]   Downloaded accesskit_consumer v0.26.0
[INFO] [stderr]   Downloaded accesskit_windows v0.24.1
[INFO] [stderr]   Downloaded egui_glow v0.31.1
[INFO] [stderr]   Downloaded wayland-cursor v0.31.10
[INFO] [stderr]   Downloaded zbus_xml v4.0.0
[INFO] [stderr]   Downloaded atspi v0.22.0
[INFO] [stderr]   Downloaded glutin_glx_sys v0.6.1
[INFO] [stderr]   Downloaded nom-unicode v0.4.0
[INFO] [stderr]   Downloaded wayland-backend v0.3.10
[INFO] [stderr]   Downloaded wayland-scanner v0.31.6
[INFO] [stderr]   Downloaded mech-combinatorics v0.2.47
[INFO] [stderr]   Downloaded mech-io v0.2.47
[INFO] [stderr]   Downloaded inotify v0.11.0
[INFO] [stderr]   Downloaded notify-types v2.0.0
[INFO] [stderr]   Downloaded async-signal v0.2.11
[INFO] [stderr]   Downloaded accesskit_winit v0.23.1
[INFO] [stderr]   Downloaded glutin-winit v0.5.0
[INFO] [stderr]   Downloaded dpi v0.1.2
[INFO] [stderr]   Downloaded calloop-wayland-source v0.3.0
[INFO] [stderr]   Downloaded cursor-icon v1.2.0
[INFO] [stderr]   Downloaded ecolor v0.31.1
[INFO] [stderr]   Downloaded emath v0.31.1
[INFO] [stderr]   Downloaded wayland-sys v0.31.6
[INFO] [stderr]   Downloaded egui-wgpu v0.31.1
[INFO] [stderr]   Downloaded mech-interpreter v0.2.47
[INFO] [stderr]   Downloaded kqueue v1.1.1
[INFO] [stderr]   Downloaded accesskit_unix v0.13.1
[INFO] [stderr]   Downloaded webbrowser v1.0.5
[INFO] [stderr]   Downloaded glutin_egl_sys v0.7.1
[INFO] [stderr]   Downloaded glutin v0.32.3
[INFO] [stderr]   Downloaded sctk-adwaita v0.10.1
[INFO] [stderr]   Downloaded wayland-client v0.31.10
[INFO] [stderr]   Downloaded notify v8.0.0
[INFO] [stderr]   Downloaded mech v0.2.47
[INFO] [stderr]   Downloaded polling v3.8.0
[INFO] [stderr]   Downloaded winres v0.1.12
[INFO] [stderr]   Downloaded zbus-lockstep-macros v0.4.4
[INFO] [stderr]   Downloaded egui-winit v0.31.1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b17c221075aeeb034a9951d396da97d0780425c965bbc5debaa6f73a2bcbb834
[INFO] running `Command { std: "docker" "start" "-a" "b17c221075aeeb034a9951d396da97d0780425c965bbc5debaa6f73a2bcbb834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b17c221075aeeb034a9951d396da97d0780425c965bbc5debaa6f73a2bcbb834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17c221075aeeb034a9951d396da97d0780425c965bbc5debaa6f73a2bcbb834", kill_on_drop: false }`
[INFO] [stdout] b17c221075aeeb034a9951d396da97d0780425c965bbc5debaa6f73a2bcbb834
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6e1710386c72e2ed2205239cee4e05dd400613397bd11914f4b3255a15c808c
[INFO] running `Command { std: "docker" "start" "-a" "f6e1710386c72e2ed2205239cee4e05dd400613397bd11914f4b3255a15c808c", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling cc v1.2.26
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling wayland-sys v0.31.6
[INFO] [stderr]    Compiling endi v1.1.0
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling event-listener v5.4.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling quick-xml v0.37.5
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling wayland-client v0.31.10
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling futures-lite v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling brotli v8.0.1
[INFO] [stderr]    Compiling wayland-backend v0.3.10
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling papergrid v0.14.0
[INFO] [stderr]    Compiling async-channel v2.3.1
[INFO] [stderr]    Compiling async-lock v3.4.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling wayland-scanner v0.31.6
[INFO] [stderr]    Compiling ttf-parser v0.25.1
[INFO] [stderr]    Compiling blocking v1.6.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling async-executor v1.13.2
[INFO] [stderr]    Compiling async-broadcast v0.7.2
[INFO] [stderr]    Compiling xdg-home v1.3.0
[INFO] [stderr]    Compiling ordered-stream v0.2.0
[INFO] [stderr]    Compiling async-fs v2.1.2
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling xml-rs v0.8.26
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling xkeysym v0.2.1
[INFO] [stderr]    Compiling xcursor v0.3.8
[INFO] [stderr]    Compiling cursor-icon v1.2.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.19.2
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling accesskit v0.17.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zvariant_utils v2.1.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling as-raw-xcb-connection v1.0.1
[INFO] [stderr]    Compiling x11rb-protocol v0.13.1
[INFO] [stderr]    Compiling owned_ttf_parser v0.25.0
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling immutable-chunkmap v2.0.6
[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/ad85bc524b1ad696e42061ad8338d382dffbdbe5/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.101/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="visit"' --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=870cf6348d3779c0 -C extra-filename=-1547285a5c2cb0de --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09040b10b620fa15.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "f6e1710386c72e2ed2205239cee4e05dd400613397bd11914f4b3255a15c808c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e1710386c72e2ed2205239cee4e05dd400613397bd11914f4b3255a15c808c", kill_on_drop: false }`
[INFO] [stdout] f6e1710386c72e2ed2205239cee4e05dd400613397bd11914f4b3255a15c808c