[INFO] updating cached repository https://github.com/mmheroes/mmheroes-core-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d0f31254f9862c966667990acb8aa0305940c019
[INFO] testing mmheroes/mmheroes-core-rs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmheroes%2Fmmheroes-core-rs" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmheroes/mmheroes-core-rs on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mmheroes/mmheroes-core-rs
[INFO] finished tweaking git repo https://github.com/mmheroes/mmheroes-core-rs
[INFO] tweaked toml for git repo https://github.com/mmheroes/mmheroes-core-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mmheroes/mmheroes-core-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] be0746cb1a7bcb15a9298ef442f56b4dca2a3520d40e8203e388ca1956a12154
[INFO] running `"docker" "start" "-a" "be0746cb1a7bcb15a9298ef442f56b4dca2a3520d40e8203e388ca1956a12154"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mmheroes-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mmheroes-core v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mmheroes-core-eb4003f9ea95712b/build-script-build` (exit code: 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: Other, message: "Read-only file system" })
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "be0746cb1a7bcb15a9298ef442f56b4dca2a3520d40e8203e388ca1956a12154"`
[INFO] running `"docker" "rm" "-f" "be0746cb1a7bcb15a9298ef442f56b4dca2a3520d40e8203e388ca1956a12154"`
[INFO] [stdout] be0746cb1a7bcb15a9298ef442f56b4dca2a3520d40e8203e388ca1956a12154