[INFO] updating cached repository https://github.com/gangashman/rust_recognition_digit
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6b714d18f451912eb46294b7003dd1dfe12a99ba
[INFO] checking gangashman/rust_recognition_digit against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgangashman%2Frust_recognition_digit" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gangashman/rust_recognition_digit on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gangashman/rust_recognition_digit
[INFO] finished tweaking git repo https://github.com/gangashman/rust_recognition_digit
[INFO] tweaked toml for git repo https://github.com/gangashman/rust_recognition_digit written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/gangashman/rust_recognition_digit already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 60a318ede39bfa8a83e4e9df3c69f357bb462a3315d99ac3717b8b9719dfb99a
[INFO] running `"docker" "start" "-a" "60a318ede39bfa8a83e4e9df3c69f357bb462a3315d99ac3717b8b9719dfb99a"`
[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/rustwide/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:58:26
[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:58:17
[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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "60a318ede39bfa8a83e4e9df3c69f357bb462a3315d99ac3717b8b9719dfb99a"`
[INFO] running `"docker" "rm" "-f" "60a318ede39bfa8a83e4e9df3c69f357bb462a3315d99ac3717b8b9719dfb99a"`
[INFO] [stdout] 60a318ede39bfa8a83e4e9df3c69f357bb462a3315d99ac3717b8b9719dfb99a