[INFO] cloning repository https://github.com/shmuelamit/Nust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shmuelamit/Nust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmuelamit%2FNust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmuelamit%2FNust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f202d0aa4dcc7919cce1a055b2d11c1a78317527
[INFO] checking shmuelamit/Nust against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshmuelamit%2FNust" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shmuelamit/Nust 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/shmuelamit/Nust
[INFO] finished tweaking git repo https://github.com/shmuelamit/Nust
[INFO] tweaked toml for git repo https://github.com/shmuelamit/Nust written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/shmuelamit/Nust 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]  Downloading crates ...
[INFO] [stderr]   Downloaded gfx-renderdoc v0.1.0
[INFO] [stderr]   Downloaded wgpu-types v0.9.0
[INFO] [stderr]   Downloaded wgpu v0.9.0
[INFO] [stderr]   Downloaded renderdoc-sys v0.7.1
[INFO] [stderr]   Downloaded gfx-backend-metal v0.9.1
[INFO] [stderr]   Downloaded gfx-backend-empty v0.9.0
[INFO] [stderr]   Downloaded gfx-backend-dx11 v0.9.0
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.9.1
[INFO] [stderr]   Downloaded wgpu-core v0.9.2
[INFO] [stderr]   Downloaded rose_tree v0.2.0
[INFO] [stderr]   Downloaded gfx-hal v0.9.0
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.9.0
[INFO] [stderr]   Downloaded gfx-backend-gl v0.9.0
[INFO] [stderr]   Downloaded metal v0.23.0
[INFO] [stderr]   Downloaded gfx-auxil v0.10.0
[INFO] [stderr]   Downloaded profiling v1.0.3
[INFO] [stderr]   Downloaded external-memory v0.0.1
[INFO] [stderr]   Downloaded pixels v0.5.0
[INFO] [stderr]   Downloaded drm-fourcc v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 6818e76e78e615a6a802335ff682c1af0d3a635c980605d56e7d5972c5f33853
[INFO] running `Command { std: "docker" "start" "-a" "6818e76e78e615a6a802335ff682c1af0d3a635c980605d56e7d5972c5f33853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6818e76e78e615a6a802335ff682c1af0d3a635c980605d56e7d5972c5f33853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6818e76e78e615a6a802335ff682c1af0d3a635c980605d56e7d5972c5f33853", kill_on_drop: false }`
[INFO] [stdout] 6818e76e78e615a6a802335ff682c1af0d3a635c980605d56e7d5972c5f33853
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] c0f2afa2d63d8be9204f4d69af28d4123de55d6eea05552f89a39a75f7c69252
[INFO] running `Command { std: "docker" "start" "-a" "c0f2afa2d63d8be9204f4d69af28d4123de55d6eea05552f89a39a75f7c69252", 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" "c0f2afa2d63d8be9204f4d69af28d4123de55d6eea05552f89a39a75f7c69252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f2afa2d63d8be9204f4d69af28d4123de55d6eea05552f89a39a75f7c69252", kill_on_drop: false }`
[INFO] [stdout] c0f2afa2d63d8be9204f4d69af28d4123de55d6eea05552f89a39a75f7c69252