[INFO] fetching crate mcup 0.2.3...
[INFO] testing mcup-0.2.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate mcup 0.2.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate mcup 0.2.3 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcup 0.2.3
[INFO] finished tweaking crates.io crate mcup 0.2.3
[INFO] tweaked toml for crates.io crate mcup 0.2.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate mcup 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded directories v4.0.1
[INFO] [stderr]   Downloaded clap v3.0.0
[INFO] [stderr]   Downloaded clap_complete v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] 885b5f92e34bd83958fc4614ab3f9dc85f6245962b15f5fd2a286c54af2721d8
[INFO] running `Command { std: "docker" "start" "-a" "885b5f92e34bd83958fc4614ab3f9dc85f6245962b15f5fd2a286c54af2721d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "885b5f92e34bd83958fc4614ab3f9dc85f6245962b15f5fd2a286c54af2721d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885b5f92e34bd83958fc4614ab3f9dc85f6245962b15f5fd2a286c54af2721d8", kill_on_drop: false }`
[INFO] [stdout] 885b5f92e34bd83958fc4614ab3f9dc85f6245962b15f5fd2a286c54af2721d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.60.0" "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] eee637f4a4bebc72a977347b48ce9389583207a72c05d02a1785631db60509de
[INFO] running `Command { std: "docker" "start" "-a" "eee637f4a4bebc72a977347b48ce9389583207a72c05d02a1785631db60509de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling clap v3.0.0
[INFO] [stderr]    Compiling directories v4.0.1
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling clap_complete v3.0.0
[INFO] [stderr]    Compiling mcup v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mcup v0.2.3 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mcup-f38238f14149f5e4/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "eee637f4a4bebc72a977347b48ce9389583207a72c05d02a1785631db60509de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eee637f4a4bebc72a977347b48ce9389583207a72c05d02a1785631db60509de", kill_on_drop: false }`
[INFO] [stdout] eee637f4a4bebc72a977347b48ce9389583207a72c05d02a1785631db60509de