[INFO] cloning repository https://github.com/mmheroes/mmheroes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmheroes/mmheroes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmheroes%2Fmmheroes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmheroes%2Fmmheroes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa45ac956c1eca6042a52537b02aa33d7b3176f7
[INFO] testing mmheroes/mmheroes against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmheroes%2Fmmheroes" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmheroes/mmheroes on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmheroes/mmheroes
[INFO] finished tweaking git repo https://github.com/mmheroes/mmheroes
[INFO] tweaked toml for git repo https://github.com/mmheroes/mmheroes written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mmheroes/mmheroes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51bbaedf56e3496b4348975bf9839d328025c188504dd7dae56a4aca039e544b
[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" "51bbaedf56e3496b4348975bf9839d328025c188504dd7dae56a4aca039e544b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51bbaedf56e3496b4348975bf9839d328025c188504dd7dae56a4aca039e544b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51bbaedf56e3496b4348975bf9839d328025c188504dd7dae56a4aca039e544b", kill_on_drop: false }`
[INFO] [stdout] 51bbaedf56e3496b4348975bf9839d328025c188504dd7dae56a4aca039e544b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 9e9b06def3fc80ddb6a4bff21edce2d9f8e45c727a11138b90e29537f2f389cd
[INFO] running `Command { std: "docker" "start" "-a" "9e9b06def3fc80ddb6a4bff21edce2d9f8e45c727a11138b90e29537f2f389cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling mmheroes-core v0.1.0 (/opt/rustwide/workdir/mmheroes-core-rs)
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr] error: failed to run custom build command for `mmheroes-core v0.1.0 (/opt/rustwide/workdir/mmheroes-core-rs)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mmheroes-core-28f79328cf97351f/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr]   cargo:rerun-if-changed=Cargo.toml
[INFO] [stderr]   cargo:rerun-if-changed=iOS/Cargo.toml
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: IoError(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9e9b06def3fc80ddb6a4bff21edce2d9f8e45c727a11138b90e29537f2f389cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9b06def3fc80ddb6a4bff21edce2d9f8e45c727a11138b90e29537f2f389cd", kill_on_drop: false }`
[INFO] [stdout] 9e9b06def3fc80ddb6a4bff21edce2d9f8e45c727a11138b90e29537f2f389cd