[INFO] cloning repository https://github.com/lambdaxymox/material_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lambdaxymox/material_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdaxymox%2Fmaterial_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdaxymox%2Fmaterial_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a883b57b7c7c7fde231a4478d6f4c7fe53d4677e
[INFO] testing lambdaxymox/material_demo against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambdaxymox%2Fmaterial_demo" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lambdaxymox/material_demo on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lambdaxymox/material_demo
[INFO] finished tweaking git repo https://github.com/lambdaxymox/material_demo
[INFO] tweaked toml for git repo https://github.com/lambdaxymox/material_demo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lambdaxymox/material_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5172ff57a5fd7a91ad92375988b0d9d9c2ba702e1ed4d9efdd1d5fa0f8e75748
[INFO] running `Command { std: "docker" "start" "-a" "5172ff57a5fd7a91ad92375988b0d9d9c2ba702e1ed4d9efdd1d5fa0f8e75748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5172ff57a5fd7a91ad92375988b0d9d9c2ba702e1ed4d9efdd1d5fa0f8e75748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5172ff57a5fd7a91ad92375988b0d9d9c2ba702e1ed4d9efdd1d5fa0f8e75748", kill_on_drop: false }`
[INFO] [stdout] 5172ff57a5fd7a91ad92375988b0d9d9c2ba702e1ed4d9efdd1d5fa0f8e75748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5d8980a167b02745cee2d6596c6174d3f62dce6289ea131eb0969080dabcddc
[INFO] running `Command { std: "docker" "start" "-a" "c5d8980a167b02745cee2d6596c6174d3f62dce6289ea131eb0969080dabcddc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cgwavefront_obj v1.0.3 (https://github.com/lambdaxymox/cgwavefront_obj#64e492f3)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling glfw-sys v3.3.2
[INFO] [stderr]    Compiling obj v0.1.11 (https://github.com/lambdaxymox/mini_obj#a099501e)
[INFO] [stderr]    Compiling obj_gen v0.1.11 (https://github.com/lambdaxymox/mini_obj#a099501e)
[INFO] [stderr]    Compiling material_demo v0.1.30 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mini_obj v0.1.11 (https://github.com/lambdaxymox/mini_obj#a099501e)
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr] error: failed to run custom build command for `mini_obj v0.1.11 (https://github.com/lambdaxymox/mini_obj#a099501e)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mini_obj-a17f81bae6fa88ec/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c5d8980a167b02745cee2d6596c6174d3f62dce6289ea131eb0969080dabcddc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d8980a167b02745cee2d6596c6174d3f62dce6289ea131eb0969080dabcddc", kill_on_drop: false }`
[INFO] [stdout] c5d8980a167b02745cee2d6596c6174d3f62dce6289ea131eb0969080dabcddc