[INFO] updating cached repository josephleblanc/csvtutor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/josephleblanc/csvtutor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/josephleblanc/csvtutor" "work/ex/beta-1.38-1/sources/1.37.0/gh/josephleblanc/csvtutor"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/josephleblanc/csvtutor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/josephleblanc/csvtutor" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/josephleblanc/csvtutor"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/josephleblanc/csvtutor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ceb47afc89ea992106ed2ea39beca7eee86bc0ef
[INFO] sha for GitHub repo josephleblanc/csvtutor: ceb47afc89ea992106ed2ea39beca7eee86bc0ef
[INFO] validating manifest of josephleblanc/csvtutor 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 josephleblanc/csvtutor 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 josephleblanc/csvtutor
[INFO] finished frobbing josephleblanc/csvtutor
[INFO] frobbed toml for josephleblanc/csvtutor written to work/ex/beta-1.38-1/sources/1.37.0/gh/josephleblanc/csvtutor/Cargo.toml
[INFO] started frobbing josephleblanc/csvtutor
[INFO] finished frobbing josephleblanc/csvtutor
[INFO] frobbed toml for josephleblanc/csvtutor written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/josephleblanc/csvtutor/Cargo.toml
[INFO] crate josephleblanc/csvtutor 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 josephleblanc/csvtutor against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/josephleblanc/csvtutor:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ed0c2a485673d8c963eacab4b7cc692778a05762b5a00cc3bdf71c247f124bd9
[INFO] running `"docker" "start" "-a" "ed0c2a485673d8c963eacab4b7cc692778a05762b5a00cc3bdf71c247f124bd9"`
[INFO] [stderr]    Compiling libc v0.2.57
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling csvtutor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `process`
[INFO] [stderr]   --> src/main.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |                 process::exit(1);
[INFO] [stderr]    |                 ^^^^^^^ use of undeclared type or module `process`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `csvtutor`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ed0c2a485673d8c963eacab4b7cc692778a05762b5a00cc3bdf71c247f124bd9"`
[INFO] running `"docker" "rm" "-f" "ed0c2a485673d8c963eacab4b7cc692778a05762b5a00cc3bdf71c247f124bd9"`
[INFO] [stdout] ed0c2a485673d8c963eacab4b7cc692778a05762b5a00cc3bdf71c247f124bd9