[INFO] updating cached repository gangashman/rust_recognition_digit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gangashman/rust_recognition_digit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gangashman/rust_recognition_digit" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/gangashman/rust_recognition_digit"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/gangashman/rust_recognition_digit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gangashman/rust_recognition_digit" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/gangashman/rust_recognition_digit"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/gangashman/rust_recognition_digit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6b714d18f451912eb46294b7003dd1dfe12a99ba
[INFO] sha for GitHub repo gangashman/rust_recognition_digit: 6b714d18f451912eb46294b7003dd1dfe12a99ba
[INFO] validating manifest of gangashman/rust_recognition_digit on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gangashman/rust_recognition_digit on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gangashman/rust_recognition_digit
[INFO] finished frobbing gangashman/rust_recognition_digit
[INFO] frobbed toml for gangashman/rust_recognition_digit written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/gangashman/rust_recognition_digit/Cargo.toml
[INFO] started frobbing gangashman/rust_recognition_digit
[INFO] finished frobbing gangashman/rust_recognition_digit
[INFO] frobbed toml for gangashman/rust_recognition_digit written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/gangashman/rust_recognition_digit/Cargo.toml
[INFO] crate gangashman/rust_recognition_digit already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking gangashman/rust_recognition_digit against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-2/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/gangashman/rust_recognition_digit:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ba9ef54ebfc845f03f7c4d823f86432219692e50b6ed9ac7ebd51151041d1a09
[INFO] running `"docker" "start" "-a" "ba9ef54ebfc845f03f7c4d823f86432219692e50b6ed9ac7ebd51151041d1a09"`
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking mnist v0.4.0
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking rusty-machine v0.5.4
[INFO] [stderr]     Checking recognition_digit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |     model.train(&inputs, &targets).unwrap();
[INFO] [stderr]    |                 ^^^^^^^ expected f64, found u8
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&rusty_machine::prelude::Matrix<f64>`
[INFO] [stderr]               found type `&rusty_machine::prelude::Matrix<u8>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:17
[INFO] [stderr]    |
[INFO] [stderr] 58 |     model.train(&inputs, &targets).unwrap();
[INFO] [stderr]    |                 ^^^^^^^ expected f64, found u8
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&rusty_machine::prelude::Matrix<f64>`
[INFO] [stderr]               found type `&rusty_machine::prelude::Matrix<u8>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:26
[INFO] [stderr]    |
[INFO] [stderr] 58 |     model.train(&inputs, &targets).unwrap();
[INFO] [stderr]    |                          ^^^^^^^^ expected struct `rusty_machine::prelude::Matrix`, found struct `rusty_machine::prelude::Vector`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&rusty_machine::prelude::Matrix<f64>`
[INFO] [stderr]               found type `&rusty_machine::prelude::Vector<u8>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `recognition_digit`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:58:26
[INFO] [stderr]    |
[INFO] [stderr] 58 |     model.train(&inputs, &targets).unwrap();
[INFO] [stderr]    |                          ^^^^^^^^ expected struct `rusty_machine::prelude::Matrix`, found struct `rusty_machine::prelude::Vector`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&rusty_machine::prelude::Matrix<f64>`
[INFO] [stderr]               found type `&rusty_machine::prelude::Vector<u8>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `recognition_digit`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ba9ef54ebfc845f03f7c4d823f86432219692e50b6ed9ac7ebd51151041d1a09"`
[INFO] running `"docker" "rm" "-f" "ba9ef54ebfc845f03f7c4d823f86432219692e50b6ed9ac7ebd51151041d1a09"`
[INFO] [stdout] ba9ef54ebfc845f03f7c4d823f86432219692e50b6ed9ac7ebd51151041d1a09