[INFO] updating cached repository https://github.com/izelnakri/mber-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 1d3ff7bc064ea5c0401a254ae5e0d1f8f92295bc
[INFO] testing izelnakri/mber-rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fizelnakri%2Fmber-rust" "work/builds/worker-6/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/izelnakri/mber-rust on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/izelnakri/mber-rust
[INFO] finished tweaking git repo https://github.com/izelnakri/mber-rust
[INFO] tweaked toml for git repo https://github.com/izelnakri/mber-rust written to work/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/izelnakri/mber-rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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-2019-09-28" "build" "--frozen"`
[INFO] [stdout] bf8a51c59c9be9d36f63035914b00a0b93b232e82c067424ff1ce32809bcb336
[INFO] running `"docker" "start" "-a" "bf8a51c59c9be9d36f63035914b00a0b93b232e82c067424ff1ce32809bcb336"`
[INFO] [stderr]    Compiling hyper v0.12.34
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling mustache v0.9.0
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling mber v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mber v0.1.3 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mber-68cd7e9a355262db/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "bf8a51c59c9be9d36f63035914b00a0b93b232e82c067424ff1ce32809bcb336"`
[INFO] running `"docker" "rm" "-f" "bf8a51c59c9be9d36f63035914b00a0b93b232e82c067424ff1ce32809bcb336"`
[INFO] [stdout] bf8a51c59c9be9d36f63035914b00a0b93b232e82c067424ff1ce32809bcb336