[INFO] updating cached repository nojima/fridge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nojima/fridge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nojima/fridge" "work/ex/beta-1.38-1/sources/1.37.0/gh/nojima/fridge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nojima/fridge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nojima/fridge" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nojima/fridge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nojima/fridge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4d07b1d0dd6fc38a9a94c51d9e35c7d636b634c0
[INFO] sha for GitHub repo nojima/fridge: 4d07b1d0dd6fc38a9a94c51d9e35c7d636b634c0
[INFO] validating manifest of nojima/fridge on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nojima/fridge on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nojima/fridge
[INFO] finished frobbing nojima/fridge
[INFO] frobbed toml for nojima/fridge written to work/ex/beta-1.38-1/sources/1.37.0/gh/nojima/fridge/Cargo.toml
[INFO] started frobbing nojima/fridge
[INFO] finished frobbing nojima/fridge
[INFO] frobbed toml for nojima/fridge written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nojima/fridge/Cargo.toml
[INFO] crate nojima/fridge already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nojima/fridge against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nojima/fridge:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b2a6db8bfc7b36d5c458f4af09033cfb29a28cd5e885bd577a87f7f2465596b5
[INFO] running `"docker" "start" "-a" "b2a6db8bfc7b36d5c458f4af09033cfb29a28cd5e885bd577a87f7f2465596b5"`
[INFO] [stderr]    Compiling protobuf v2.0.4
[INFO] [stderr]    Compiling regex v1.0.3
[INFO] [stderr]    Compiling termcolor v1.0.2
[INFO] [stderr]    Compiling protoc v2.0.4
[INFO] [stderr]    Compiling syn v0.15.17
[INFO] [stderr]    Compiling env_logger v0.5.12
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling protobuf-codegen v2.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling protoc-rust v2.0.4
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling fridge v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> build.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]   |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `fridge v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/fridge-ef3482cbccc1f04c/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" "b2a6db8bfc7b36d5c458f4af09033cfb29a28cd5e885bd577a87f7f2465596b5"`
[INFO] running `"docker" "rm" "-f" "b2a6db8bfc7b36d5c458f4af09033cfb29a28cd5e885bd577a87f7f2465596b5"`
[INFO] [stdout] b2a6db8bfc7b36d5c458f4af09033cfb29a28cd5e885bd577a87f7f2465596b5