[INFO] fetching crate egui-fltk-frontend 0.3.5...
[INFO] testing egui-fltk-frontend-0.3.5 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate egui-fltk-frontend 0.3.5 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate egui-fltk-frontend 0.3.5 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate egui-fltk-frontend 0.3.5
[INFO] finished tweaking crates.io crate egui-fltk-frontend 0.3.5
[INFO] tweaked toml for crates.io crate egui-fltk-frontend 0.3.5 written to /workspace/builds/worker-89/source/Cargo.toml
[INFO] crate crates.io crate egui-fltk-frontend 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed27061586b1bcb3485c21c6cbbc18cbff738a99a60368588c61f5344e336d9b
[INFO] running `Command { std: "docker" "start" "-a" "ed27061586b1bcb3485c21c6cbbc18cbff738a99a60368588c61f5344e336d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed27061586b1bcb3485c21c6cbbc18cbff738a99a60368588c61f5344e336d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed27061586b1bcb3485c21c6cbbc18cbff738a99a60368588c61f5344e336d9b", kill_on_drop: false }`
[INFO] [stdout] ed27061586b1bcb3485c21c6cbbc18cbff738a99a60368588c61f5344e336d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 069270a7cbc9f28074c941d4b7c73b4458558fe17889b2e6448c339ca1dee52f
[INFO] running `Command { std: "docker" "start" "-a" "069270a7cbc9f28074c941d4b7c73b4458558fe17889b2e6448c339ca1dee52f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling ttf-parser v0.13.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.5
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling profiling v1.0.4
[INFO] [stderr]    Compiling atomic_refcell v0.1.8
[INFO] [stderr]    Compiling emath v0.15.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling inplace_it v0.3.3
[INFO] [stderr]    Compiling glow v0.11.0
[INFO] [stderr]    Compiling renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling cmake v0.1.46
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling wgpu-types v0.11.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling wgpu-core v0.11.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling gpu-alloc v0.5.2
[INFO] [stderr]    Compiling ash v0.33.3+1.2.191
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling fltk-sys v1.2.16
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling owned_ttf_parser v0.13.2
[INFO] [stderr]    Compiling ab_glyph v0.2.12
[INFO] [stderr]    Compiling gpu-descriptor v0.2.2
[INFO] [stderr]    Compiling epaint v0.15.0
[INFO] [stderr]    Compiling egui v0.15.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling epi v0.15.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling naga v0.7.1
[INFO] [stderr]    Compiling x11-clipboard v0.5.3
[INFO] [stderr]    Compiling copypasta v0.7.1
[INFO] [stderr] error: could not compile `ash`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ash --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ash-0.33.3+1.2.191/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="libloading"' -C metadata=ad9484021332967c -C extra-filename=-ad9484021332967c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-d63fabfec760c9fb.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "069270a7cbc9f28074c941d4b7c73b4458558fe17889b2e6448c339ca1dee52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "069270a7cbc9f28074c941d4b7c73b4458558fe17889b2e6448c339ca1dee52f", kill_on_drop: false }`
[INFO] [stdout] 069270a7cbc9f28074c941d4b7c73b4458558fe17889b2e6448c339ca1dee52f