[INFO] cloning repository mbbxAdam/minigrep
[INFO] running `"git" "clone" "--bare" "git://github.com/mbbxAdam/minigrep.git" "work/cache/sources/gh/mbbxAdam/minigrep"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/mbbxAdam/minigrep'...
[INFO] running `"git" "clone" "work/cache/sources/gh/mbbxAdam/minigrep" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/mbbxAdam/minigrep"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/mbbxAdam/minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mbbxAdam/minigrep" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/mbbxAdam/minigrep"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/mbbxAdam/minigrep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c16d0309e9cc9e1b302d5f3c6e8f4bd00321fcf1
[INFO] sha for GitHub repo mbbxAdam/minigrep: c16d0309e9cc9e1b302d5f3c6e8f4bd00321fcf1
[INFO] validating manifest of mbbxAdam/minigrep on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mbbxAdam/minigrep on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mbbxAdam/minigrep
[INFO] finished frobbing mbbxAdam/minigrep
[INFO] frobbed toml for mbbxAdam/minigrep written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/mbbxAdam/minigrep/Cargo.toml
[INFO] started frobbing mbbxAdam/minigrep
[INFO] finished frobbing mbbxAdam/minigrep
[INFO] frobbed toml for mbbxAdam/minigrep written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/mbbxAdam/minigrep/Cargo.toml
[INFO] crate mbbxAdam/minigrep has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mbbxAdam/minigrep against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-7/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/mbbxAdam/minigrep:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f30022b4ac83ba7c1a61d0721cb9cfb2ed595fd09486370e5756bb650d4dfeae
[INFO] running `"docker" "start" "-a" "f30022b4ac83ba7c1a61d0721cb9cfb2ed595fd09486370e5756bb650d4dfeae"`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:20:27
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn run(config: Config) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |    ---                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found ()
[INFO] [stderr]    |    |
[INFO] [stderr]    |    this function's body doesn't return
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::result::Result<(), std::boxed::Box<(dyn std::error::Error + 'static)>>`
[INFO] [stderr]               found type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `minigrep`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:20:27
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn run(config: Config) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |    ---                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found ()
[INFO] [stderr]    |    |
[INFO] [stderr]    |    this function's body doesn't return
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::result::Result<(), std::boxed::Box<(dyn std::error::Error + 'static)>>`
[INFO] [stderr]               found type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `minigrep`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f30022b4ac83ba7c1a61d0721cb9cfb2ed595fd09486370e5756bb650d4dfeae"`
[INFO] running `"docker" "rm" "-f" "f30022b4ac83ba7c1a61d0721cb9cfb2ed595fd09486370e5756bb650d4dfeae"`
[INFO] [stdout] f30022b4ac83ba7c1a61d0721cb9cfb2ed595fd09486370e5756bb650d4dfeae