[INFO] cloning repository https://github.com/jprochazk/learn-wgpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jprochazk/learn-wgpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjprochazk%2Flearn-wgpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjprochazk%2Flearn-wgpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b26186e5b4a749e851935077a08769c21dbdae2e
[INFO] testing jprochazk/learn-wgpu against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjprochazk%2Flearn-wgpu" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jprochazk/learn-wgpu on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jprochazk/learn-wgpu
[INFO] finished tweaking git repo https://github.com/jprochazk/learn-wgpu
[INFO] tweaked toml for git repo https://github.com/jprochazk/learn-wgpu written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/jprochazk/learn-wgpu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wgpu-hal v0.11.5
[INFO] [stderr]   Downloaded naga v0.7.3
[INFO] [stderr]   Downloaded gpu-alloc v0.5.2
[INFO] [stderr]   Downloaded ash v0.33.3+1.2.191
[INFO] [stderr]   Downloaded syn v1.0.83
[INFO] [stderr]   Downloaded wgpu-core v0.11.3
[INFO] [stderr]   Downloaded tobj v3.2.0
[INFO] [stderr]   Downloaded pollster v0.2.4
[INFO] [stderr]   Downloaded xdg v2.4.0
[INFO] [stderr]   Downloaded wgpu-types v0.11.0
[INFO] [stderr]   Downloaded mio-misc v1.2.2
[INFO] [stderr]   Downloaded wgpu v0.11.1
[INFO] [stderr]   Downloaded profiling v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84c18ae453dad535642df6b07721b61931b3849bdf336ecddb87b9f694862808
[INFO] running `Command { std: "docker" "start" "-a" "84c18ae453dad535642df6b07721b61931b3849bdf336ecddb87b9f694862808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84c18ae453dad535642df6b07721b61931b3849bdf336ecddb87b9f694862808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84c18ae453dad535642df6b07721b61931b3849bdf336ecddb87b9f694862808", kill_on_drop: false }`
[INFO] [stdout] 84c18ae453dad535642df6b07721b61931b3849bdf336ecddb87b9f694862808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e16611943fb93be7a04806e4a845d4479560cdebaa37a36d6b45371505079bad
[INFO] running `Command { std: "docker" "start" "-a" "e16611943fb93be7a04806e4a845d4479560cdebaa37a36d6b45371505079bad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling glow v0.11.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling profiling v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]    Compiling pollster v0.2.4
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling wgpu-types v0.11.0
[INFO] [stderr]    Compiling wgpu-core v0.11.3
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling ash v0.33.3+1.2.191
[INFO] [stderr]    Compiling gpu-alloc v0.5.2
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling wgpu-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr] error: failed to run custom build command for `wgpu-book v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/wgpu-book-53cc917d5a887e53/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=res/*
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Read-only file system (os error 30)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e16611943fb93be7a04806e4a845d4479560cdebaa37a36d6b45371505079bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16611943fb93be7a04806e4a845d4479560cdebaa37a36d6b45371505079bad", kill_on_drop: false }`
[INFO] [stdout] e16611943fb93be7a04806e4a845d4479560cdebaa37a36d6b45371505079bad