Dec 18 04:01:17.681 INFO checking andresoro/grep against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:01:17.681 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/andresoro/grep:/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=forbid" "-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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:01:18.016 INFO [stdout] f70a451a866ca6629dcf4663099327a9e5b06a155404377cb3da6cd375b85b64
Dec 18 04:01:18.022 INFO running `"docker" "start" "-a" "f70a451a866ca6629dcf4663099327a9e5b06a155404377cb3da6cd375b85b64"`
Dec 18 04:01:18.772 INFO [stderr]     Checking grep v0.1.0 (/opt/crater/workdir)
Dec 18 04:01:19.000 INFO [stderr] warning: unused import: `std::fs`
Dec 18 04:01:19.000 INFO [stderr]  --> src/lib.rs:2:5
Dec 18 04:01:19.000 INFO [stderr]   |
Dec 18 04:01:19.000 INFO [stderr] 2 | use std::fs;
Dec 18 04:01:19.001 INFO [stderr]   |     ^^^^^^^
Dec 18 04:01:19.001 INFO [stderr]   |
Dec 18 04:01:19.001 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 04:01:19.001 INFO [stderr] 
Dec 18 04:01:19.001 INFO [stderr] warning: unused import: `std::fs`
Dec 18 04:01:19.001 INFO [stderr]  --> src/lib.rs:2:5
Dec 18 04:01:19.001 INFO [stderr]   |
Dec 18 04:01:19.001 INFO [stderr] 2 | use std::fs;
Dec 18 04:01:19.001 INFO [stderr]   |     ^^^^^^^
Dec 18 04:01:19.001 INFO [stderr]   |
Dec 18 04:01:19.001 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 04:01:19.001 INFO [stderr] 
Dec 18 04:01:19.028 INFO [stderr] error[E0308]: mismatched types
Dec 18 04:01:19.029 INFO [stderr]   --> src/lib.rs:22:58
Dec 18 04:01:19.029 INFO [stderr]    |
Dec 18 04:01:19.029 INFO [stderr] 22 |   pub fn run(config: Config) -> Result<(), Box<dyn Error>> {
Dec 18 04:01:19.030 INFO [stderr]    |  __________________________________________________________^
Dec 18 04:01:19.030 INFO [stderr] 23 | |     
Dec 18 04:01:19.030 INFO [stderr] 24 | | }
Dec 18 04:01:19.031 INFO [stderr]    | |_^ expected enum `std::result::Result`, found ()
Dec 18 04:01:19.031 INFO [stderr]    |
Dec 18 04:01:19.031 INFO [stderr]    = note: expected type `std::result::Result<(), std::boxed::Box<(dyn std::error::Error + 'static)>>`
Dec 18 04:01:19.031 INFO [stderr]               found type `()`
Dec 18 04:01:19.032 INFO [stderr] 
Dec 18 04:01:19.032 INFO [stderr] error: aborting due to previous error
Dec 18 04:01:19.032 INFO [stderr] 
Dec 18 04:01:19.032 INFO [stderr] For more information about this error, try `rustc --explain E0308`.
Dec 18 04:01:19.035 INFO [stderr] error: Could not compile `grep`.
Dec 18 04:01:19.038 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 04:01:19.041 INFO [stderr] error[E0308]: mismatched types
Dec 18 04:01:19.041 INFO [stderr]   --> src/lib.rs:22:58
Dec 18 04:01:19.041 INFO [stderr]    |
Dec 18 04:01:19.041 INFO [stderr] 22 |   pub fn run(config: Config) -> Result<(), Box<dyn Error>> {
Dec 18 04:01:19.041 INFO [stderr]    |  __________________________________________________________^
Dec 18 04:01:19.041 INFO [stderr] 23 | |     
Dec 18 04:01:19.041 INFO [stderr] 24 | | }
Dec 18 04:01:19.041 INFO [stderr]    | |_^ expected enum `std::result::Result`, found ()
Dec 18 04:01:19.041 INFO [stderr]    |
Dec 18 04:01:19.041 INFO [stderr]    = note: expected type `std::result::Result<(), std::boxed::Box<(dyn std::error::Error + 'static)>>`
Dec 18 04:01:19.041 INFO [stderr]               found type `()`
Dec 18 04:01:19.041 INFO [stderr] 
Dec 18 04:01:19.046 INFO [stderr] error: aborting due to previous error
Dec 18 04:01:19.046 INFO [stderr] 
Dec 18 04:01:19.046 INFO [stderr] For more information about this error, try `rustc --explain E0308`.
Dec 18 04:01:19.049 INFO [stderr] error: Could not compile `grep`.
Dec 18 04:01:19.049 INFO [stderr] 
Dec 18 04:01:19.049 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 04:01:19.350 INFO running `"docker" "inspect" "f70a451a866ca6629dcf4663099327a9e5b06a155404377cb3da6cd375b85b64"`
Dec 18 04:01:19.484 INFO running `"docker" "rm" "-f" "f70a451a866ca6629dcf4663099327a9e5b06a155404377cb3da6cd375b85b64"`
Dec 18 04:01:19.619 INFO [stdout] f70a451a866ca6629dcf4663099327a9e5b06a155404377cb3da6cd375b85b64