[INFO] crate vt100 0.1.2 is already in cache
[INFO] checking vt100-0.1.2 against beta-2019-10-27 for pr-65897
[INFO] extracting crate vt100 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vt100 0.1.2 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate vt100 0.1.2
[INFO] finished tweaking crates.io crate vt100 0.1.2
[INFO] tweaked toml for crates.io crate vt100 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ca232010e84fd579a471b7d6ee71183b7f06a0d4b48105c84479ea6cc236f10d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ca232010e84fd579a471b7d6ee71183b7f06a0d4b48105c84479ea6cc236f10d"`
[INFO] [stderr]    Compiling glib-sys v0.3.4
[INFO] [stderr]    Compiling vt100 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `vt100 v0.1.2 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/vt100-4661070b5944998b/build-script-build` (exit code: 2)
[INFO] [stderr] --- stdout
[INFO] [stderr] mkdir: cannot create directory 'build/': Read-only file system
[INFO] [stderr] make: *** [build/] Error 1
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ca232010e84fd579a471b7d6ee71183b7f06a0d4b48105c84479ea6cc236f10d"`
[INFO] running `"docker" "rm" "-f" "ca232010e84fd579a471b7d6ee71183b7f06a0d4b48105c84479ea6cc236f10d"`
[INFO] [stdout] ca232010e84fd579a471b7d6ee71183b7f06a0d4b48105c84479ea6cc236f10d