[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-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FModulus%2Fbuild-script-demo" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Modulus/build-script-demo on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f54925f39490181c8e5a95310df2f108a75bae9ee45ecc845bd05be9ba1c4118
[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" "f54925f39490181c8e5a95310df2f108a75bae9ee45ecc845bd05be9ba1c4118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f54925f39490181c8e5a95310df2f108a75bae9ee45ecc845bd05be9ba1c4118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54925f39490181c8e5a95310df2f108a75bae9ee45ecc845bd05be9ba1c4118", kill_on_drop: false }`
[INFO] [stdout] f54925f39490181c8e5a95310df2f108a75bae9ee45ecc845bd05be9ba1c4118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 9472510780e3feafb599583e5738b633ee614eebb93ad46cc6c0b339a7b30ecd
[INFO] running `Command { std: "docker" "start" "-a" "9472510780e3feafb599583e5738b633ee614eebb93ad46cc6c0b339a7b30ecd", 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-f1143255f081f43c/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Output is: "/opt/rustwide/target/debug/build/build-script-demo-ee600ebc53152ba9/out"
[INFO] [stderr]   Targetting release!
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] running `Command { std: "docker" "inspect" "9472510780e3feafb599583e5738b633ee614eebb93ad46cc6c0b339a7b30ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9472510780e3feafb599583e5738b633ee614eebb93ad46cc6c0b339a7b30ecd", kill_on_drop: false }`
[INFO] [stdout] 9472510780e3feafb599583e5738b633ee614eebb93ad46cc6c0b339a7b30ecd