[INFO] cloning repository https://github.com/stallmanifold/triforces-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stallmanifold/triforces-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Ftriforces-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Ftriforces-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da7469190ecde96d9512b5216587fa03e3dccc5f
[INFO] testing stallmanifold/triforces-demo against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Ftriforces-demo" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stallmanifold/triforces-demo on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stallmanifold/triforces-demo
[INFO] finished tweaking git repo https://github.com/stallmanifold/triforces-demo
[INFO] tweaked toml for git repo https://github.com/stallmanifold/triforces-demo written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/stallmanifold/triforces-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/lambdaxymox/cglinalg`
[INFO] [stderr]     Updating git repository `https://github.com/lambdaxymox/file-logger`
[INFO] [stderr]     Updating git repository `https://github.com/lambdaxymox/mini-obj`
[INFO] [stderr]     Updating git repository `https://github.com/lambdaxymox/teximage2d`
[INFO] [stderr]     Updating git repository `https://github.com/lambdaxymox/cgwavefront_obj`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stb_image v0.2.2
[INFO] [stderr]   Downloaded glfw v0.25.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95b23a7d26e0e549ef43ba82f61a7fd624b2f96cdea82011be7daca5e2fa73b8
[INFO] running `Command { std: "docker" "start" "-a" "95b23a7d26e0e549ef43ba82f61a7fd624b2f96cdea82011be7daca5e2fa73b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95b23a7d26e0e549ef43ba82f61a7fd624b2f96cdea82011be7daca5e2fa73b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95b23a7d26e0e549ef43ba82f61a7fd624b2f96cdea82011be7daca5e2fa73b8", kill_on_drop: false }`
[INFO] [stdout] 95b23a7d26e0e549ef43ba82f61a7fd624b2f96cdea82011be7daca5e2fa73b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f71fa2ca678cbcdcca61ee9ccf693ebbfcce7dda473143e03bcdd0939112b9e2
[INFO] running `Command { std: "docker" "start" "-a" "f71fa2ca678cbcdcca61ee9ccf693ebbfcce7dda473143e03bcdd0939112b9e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling cgwavefront_obj v1.0.3 (https://github.com/lambdaxymox/cgwavefront_obj#64e492f3)
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling obj v0.1.11 (https://github.com/lambdaxymox/mini-obj#a099501e)
[INFO] [stderr]    Compiling semver v0.2.3
[INFO] [stderr]    Compiling obj_gen v0.1.11 (https://github.com/lambdaxymox/mini-obj#a099501e)
[INFO] [stderr]    Compiling stb_image v0.2.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling mini_obj v0.1.11 (https://github.com/lambdaxymox/mini-obj#a099501e)
[INFO] [stderr]    Compiling texture v0.1.4 (https://github.com/lambdaxymox/teximage2d#5a88096d)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/teximage2d-b189881742bb8819/5a88096/texture/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_into_raw_parts)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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-e060848f99419597/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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f71fa2ca678cbcdcca61ee9ccf693ebbfcce7dda473143e03bcdd0939112b9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71fa2ca678cbcdcca61ee9ccf693ebbfcce7dda473143e03bcdd0939112b9e2", kill_on_drop: false }`
[INFO] [stdout] f71fa2ca678cbcdcca61ee9ccf693ebbfcce7dda473143e03bcdd0939112b9e2