[INFO] cloning repository https://github.com/hsandt/audio-synthesizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsandt/audio-synthesizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsandt%2Faudio-synthesizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsandt%2Faudio-synthesizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a581eb70ede75c0cab794634ea88848f8700b91
[INFO] checking hsandt/audio-synthesizer against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsandt%2Faudio-synthesizer" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hsandt/audio-synthesizer on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hsandt/audio-synthesizer
[INFO] finished tweaking git repo https://github.com/hsandt/audio-synthesizer
[INFO] tweaked toml for git repo https://github.com/hsandt/audio-synthesizer written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/hsandt/audio-synthesizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clipboard_wayland v0.1.2
[INFO] [stderr]   Downloaded clipboard_x11 v0.1.0
[INFO] [stderr]   Downloaded wayland-scanner v0.28.3
[INFO] [stderr]   Downloaded lewton v0.10.1
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.12.2
[INFO] [stderr]   Downloaded clipboard-win v4.0.3
[INFO] [stderr]   Downloaded servo-fontconfig v0.4.0
[INFO] [stderr]   Downloaded iced_core v0.3.0
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.0
[INFO] [stderr]   Downloaded owned_ttf_parser v0.9.0
[INFO] [stderr]   Downloaded ordered-float v2.0.1
[INFO] [stderr]   Downloaded iced_web v0.3.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.1
[INFO] [stderr]   Downloaded glyph_brush_draw_cache v0.1.3
[INFO] [stderr]   Downloaded gfx-backend-metal v0.6.5
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded wgpu_glyph v0.10.0
[INFO] [stderr]   Downloaded ogg v0.7.1
[INFO] [stderr]   Downloaded iced_wgpu v0.3.0
[INFO] [stderr]   Downloaded glyph_brush_layout v0.2.1
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.6.17
[INFO] [stderr]   Downloaded spirv_cross v0.22.2
[INFO] [stderr]   Downloaded darling_core v0.10.3
[INFO] [stderr]   Downloaded zerocopy-derive v0.2.0
[INFO] [stderr]   Downloaded iced_futures v0.2.0
[INFO] [stderr]   Downloaded wayland-protocols v0.28.3
[INFO] [stderr]   Downloaded window_clipboard v0.1.3
[INFO] [stderr]   Downloaded iced_style v0.2.0
[INFO] [stderr]   Downloaded wayland-client v0.28.3
[INFO] [stderr]   Downloaded zerocopy v0.3.0
[INFO] [stderr]   Downloaded core-text v15.0.0
[INFO] [stderr]   Downloaded font-kit v0.8.0
[INFO] [stderr]   Downloaded darling v0.10.3
[INFO] [stderr]   Downloaded darling_macro v0.10.3
[INFO] [stderr]   Downloaded oboe v0.3.1
[INFO] [stderr]   Downloaded freetype v0.4.1
[INFO] [stderr]   Downloaded servo-freetype-sys v4.0.5
[INFO] [stderr]   Downloaded servo-fontconfig-sys v4.0.9
[INFO] [stderr]   Downloaded wayland-cursor v0.28.3
[INFO] [stderr]   Downloaded error-code v2.0.2
[INFO] [stderr]   Downloaded iced_winit v0.2.0
[INFO] [stderr]   Downloaded iced v0.2.0
[INFO] [stderr]   Downloaded wayland-commons v0.28.3
[INFO] [stderr]   Downloaded glyph_brush v0.7.1
[INFO] [stderr]   Downloaded wgpu v0.6.2
[INFO] [stderr]   Downloaded ab_glyph v0.2.7
[INFO] [stderr]   Downloaded iced_graphics v0.1.0
[INFO] [stderr]   Downloaded iced_native v0.3.0
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.2
[INFO] [stderr]   Downloaded nom v6.0.1
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded wayland-sys v0.28.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa0b79ac081bd2c5b46b4a375b4ca68343581e754caf99f136539589783fc51e
[INFO] running `Command { std: "docker" "start" "-a" "fa0b79ac081bd2c5b46b4a375b4ca68343581e754caf99f136539589783fc51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa0b79ac081bd2c5b46b4a375b4ca68343581e754caf99f136539589783fc51e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa0b79ac081bd2c5b46b4a375b4ca68343581e754caf99f136539589783fc51e", kill_on_drop: false }`
[INFO] [stdout] fa0b79ac081bd2c5b46b4a375b4ca68343581e754caf99f136539589783fc51e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ff9d839e5b45b286f0baf05e94dc84b9d775ae650b7138efb5ff4c74cde82af
[INFO] running `Command { std: "docker" "start" "-a" "1ff9d839e5b45b286f0baf05e94dc84b9d775ae650b7138efb5ff4c74cde82af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "1ff9d839e5b45b286f0baf05e94dc84b9d775ae650b7138efb5ff4c74cde82af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff9d839e5b45b286f0baf05e94dc84b9d775ae650b7138efb5ff4c74cde82af", kill_on_drop: false }`
[INFO] [stdout] 1ff9d839e5b45b286f0baf05e94dc84b9d775ae650b7138efb5ff4c74cde82af