[INFO] cloning repository https://github.com/a2aaron/revisit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a2aaron/revisit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa2aaron%2Frevisit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa2aaron%2Frevisit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6e71d34412eee861425bfe007597097c80c7b03
[INFO] testing a2aaron/revisit against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa2aaron%2Frevisit" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a2aaron/revisit on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/a2aaron/revisit
[INFO] finished tweaking git repo https://github.com/a2aaron/revisit
[INFO] tweaked toml for git repo https://github.com/a2aaron/revisit written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/a2aaron/revisit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/RustAudio/baseview`
[INFO] [stderr]     Updating git repository `https://github.com/BillyDM/iced_baseview`
[INFO] [stderr]     Updating git repository `https://github.com/RustAudio/vst-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4678c97d899ec9ceaa7a5e74d822266f601ca5045c9c00175b2373f78204fb41
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4678c97d899ec9ceaa7a5e74d822266f601ca5045c9c00175b2373f78204fb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4678c97d899ec9ceaa7a5e74d822266f601ca5045c9c00175b2373f78204fb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4678c97d899ec9ceaa7a5e74d822266f601ca5045c9c00175b2373f78204fb41", kill_on_drop: false }`
[INFO] [stdout] 4678c97d899ec9ceaa7a5e74d822266f601ca5045c9c00175b2373f78204fb41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db1c62b3ee2bd8b6dd1ddd5fdc0d5f6a4ac9c4e526bab9c2a1c66a4a079bb020
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "db1c62b3ee2bd8b6dd1ddd5fdc0d5f6a4ac9c4e526bab9c2a1c66a4a079bb020", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling khronos-egl v3.0.2
[INFO] [stderr]    Compiling ttf-parser v0.12.0
[INFO] [stderr]    Compiling iced_core v0.4.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling inplace_it v0.3.3
[INFO] [stderr]    Compiling glow v0.7.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling svg_fmt v0.4.1
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling wmidi v4.0.6
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling glam v0.10.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling iced_style v0.3.0
[INFO] [stderr]    Compiling wgpu-core v0.7.1
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling wgpu-types v0.7.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling owned_ttf_parser v0.12.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling euclid v0.22.4
[INFO] [stderr]    Compiling spirv_headers v1.5.0
[INFO] [stderr]    Compiling sid v0.6.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling ordered-float v2.2.0
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling addr2line v0.15.1
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling ab_glyph v0.2.10
[INFO] [stderr]    Compiling biquad v0.4.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling lyon_geom v0.16.2
[INFO] [stderr]    Compiling guillotiere v0.6.1
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling spirv_cross v0.23.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling glyph_brush_layout v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling twox-hash v1.6.0
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling lyon_path v0.16.2
[INFO] [stderr]    Compiling wayland-commons v0.28.5
[INFO] [stderr]    Compiling x11rb v0.8.1
[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-0.31.0/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=a4e468936d6ddc46 -C extra-filename=-a4e468936d6ddc46 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-e0096b3acf82c226.rmeta --cap-lints allow --cap-lints=warn` (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" "db1c62b3ee2bd8b6dd1ddd5fdc0d5f6a4ac9c4e526bab9c2a1c66a4a079bb020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db1c62b3ee2bd8b6dd1ddd5fdc0d5f6a4ac9c4e526bab9c2a1c66a4a079bb020", kill_on_drop: false }`
[INFO] [stdout] db1c62b3ee2bd8b6dd1ddd5fdc0d5f6a4ac9c4e526bab9c2a1c66a4a079bb020