[INFO] cloning repository https://github.com/pi-181/num-methods-lab4-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pi-181/num-methods-lab4-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpi-181%2Fnum-methods-lab4-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpi-181%2Fnum-methods-lab4-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2b9111bbecafc201631522b631992dc959be581
[INFO] checking pi-181/num-methods-lab4-rs against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpi-181%2Fnum-methods-lab4-rs" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pi-181/num-methods-lab4-rs 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/pi-181/num-methods-lab4-rs
[INFO] finished tweaking git repo https://github.com/pi-181/num-methods-lab4-rs
[INFO] tweaked toml for git repo https://github.com/pi-181/num-methods-lab4-rs written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/pi-181/num-methods-lab4-rs 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 smithay-clipboard v0.3.7
[INFO] [stderr]   Downloaded clipboard_wayland v0.1.0
[INFO] [stderr]   Downloaded window_clipboard v0.1.1
[INFO] [stderr]   Downloaded iced_winit v0.1.0
[INFO] [stderr]   Downloaded rendy-memory v0.5.2
[INFO] [stderr]   Downloaded d3d12 v0.3.0
[INFO] [stderr]   Downloaded iced_style v0.1.0
[INFO] [stderr]   Downloaded glam v0.8.6
[INFO] [stderr]   Downloaded guillotiere v0.4.4
[INFO] [stderr]   Downloaded rendy-descriptor v0.5.1
[INFO] [stderr]   Downloaded euclid v0.20.10
[INFO] [stderr]   Downloaded core-text v13.3.2
[INFO] [stderr]   Downloaded iced_web v0.2.0
[INFO] [stderr]   Downloaded gfx-hal v0.4.1
[INFO] [stderr]   Downloaded iced_core v0.2.0
[INFO] [stderr]   Downloaded iced_wgpu v0.2.0
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.4.5
[INFO] [stderr]   Downloaded wgpu_glyph v0.7.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.4.3
[INFO] [stderr]   Downloaded iced_futures v0.1.0
[INFO] [stderr]   Downloaded iced v0.1.0
[INFO] [stderr]   Downloaded font-kit v0.4.0
[INFO] [stderr]   Downloaded iced_native v0.2.0
[INFO] [stderr]   Downloaded zerocopy-derive v0.1.4
[INFO] [stderr]   Downloaded svg_fmt v0.2.1
[INFO] [stderr]   Downloaded cocoa v0.20.0
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.4.3
[INFO] [stderr]   Downloaded gfx-backend-empty v0.4.0
[INFO] [stderr]   Downloaded gfx-auxil v0.1.0
[INFO] [stderr]   Downloaded metal v0.18.0
[INFO] [stderr]   Downloaded wgpu-native v0.4.3
[INFO] [stderr]   Downloaded meval v0.2.0
[INFO] [stderr]   Downloaded zerocopy v0.2.8
[INFO] [stderr]   Downloaded dodrio v0.1.0
[INFO] [stderr]   Downloaded wgpu v0.4.0
[INFO] [stderr]   Downloaded spirv_cross v0.16.0
[INFO] [stderr]   Downloaded gfx-backend-metal v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 98bb2f4fdfe3e0461462e872fe3a7032110a184f03d6f45f8539401e15653c82
[INFO] running `Command { std: "docker" "start" "-a" "98bb2f4fdfe3e0461462e872fe3a7032110a184f03d6f45f8539401e15653c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98bb2f4fdfe3e0461462e872fe3a7032110a184f03d6f45f8539401e15653c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98bb2f4fdfe3e0461462e872fe3a7032110a184f03d6f45f8539401e15653c82", kill_on_drop: false }`
[INFO] [stdout] 98bb2f4fdfe3e0461462e872fe3a7032110a184f03d6f45f8539401e15653c82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 16cfaf4c3042505647592dfd6c0794463951e61dce85aac3022866f77728e8a7
[INFO] running `Command { std: "docker" "start" "-a" "16cfaf4c3042505647592dfd6c0794463951e61dce85aac3022866f77728e8a7", kill_on_drop: false }`
[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" "16cfaf4c3042505647592dfd6c0794463951e61dce85aac3022866f77728e8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16cfaf4c3042505647592dfd6c0794463951e61dce85aac3022866f77728e8a7", kill_on_drop: false }`
[INFO] [stdout] 16cfaf4c3042505647592dfd6c0794463951e61dce85aac3022866f77728e8a7