[INFO] cloning repository https://github.com/Modulus/build-script-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Modulus/build-script-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FModulus%2Fbuild-script-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FModulus%2Fbuild-script-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b0087df4e5f98a23a74cf566375c251f962b021
[INFO] testing Modulus/build-script-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%2FModulus%2Fbuild-script-demo" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Modulus/build-script-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/Modulus/build-script-demo
[INFO] finished tweaking git repo https://github.com/Modulus/build-script-demo
[INFO] tweaked toml for git repo https://github.com/Modulus/build-script-demo written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Modulus/build-script-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2d42920752cd461ca84af0cfa5e1553799157337b2505986e0147ab31b31d7b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d42920752cd461ca84af0cfa5e1553799157337b2505986e0147ab31b31d7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d42920752cd461ca84af0cfa5e1553799157337b2505986e0147ab31b31d7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d42920752cd461ca84af0cfa5e1553799157337b2505986e0147ab31b31d7b5", kill_on_drop: false }`
[INFO] [stdout] 2d42920752cd461ca84af0cfa5e1553799157337b2505986e0147ab31b31d7b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f4ff45b1c44b1fc4ad0a91c25a874d690d318d32f27eaab5e4c7be2e0d4a36c
[INFO] running `Command { std: "docker" "start" "-a" "3f4ff45b1c44b1fc4ad0a91c25a874d690d318d32f27eaab5e4c7be2e0d4a36c", kill_on_drop: false }`
[INFO] [stderr]    Compiling build-script-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `build-script-demo v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/build-script-demo-862b14afe5850cf9/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Output is: "/opt/rustwide/target/debug/build/build-script-demo-e81edf1cf30292dd/out"
[INFO] [stderr]   Targetting release!
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] running `Command { std: "docker" "inspect" "3f4ff45b1c44b1fc4ad0a91c25a874d690d318d32f27eaab5e4c7be2e0d4a36c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4ff45b1c44b1fc4ad0a91c25a874d690d318d32f27eaab5e4c7be2e0d4a36c", kill_on_drop: false }`
[INFO] [stdout] 3f4ff45b1c44b1fc4ad0a91c25a874d690d318d32f27eaab5e4c7be2e0d4a36c