[INFO] updating cached repository https://github.com/gangashman/rust_recognition_digit
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] testing gangashman/rust_recognition_digit against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgangashman%2Frust_recognition_digit" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  50% (7/14)   
Checking out files:  57% (8/14)   
Checking out files:  64% (9/14)   
Checking out files:  71% (10/14)   
Checking out files:  78% (11/14)   
Checking out files:  85% (12/14)   
Checking out files:  92% (13/14)   
Checking out files: 100% (14/14)   
Checking out files: 100% (14/14), done.
[INFO] validating manifest of git repo https://github.com/gangashman/rust_recognition_digit on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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 /workspace/builds/worker-14/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 `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ac303ccd0c9bcaeab9209d9129408932f644a5855ae8ec632dbdb1d5ef3dd8a2
[INFO] running `"docker" "start" "-a" "ac303ccd0c9bcaeab9209d9129408932f644a5855ae8ec632dbdb1d5ef3dd8a2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling mnist v0.4.0
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling rulinalg v0.3.7
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling rusty-machine v0.5.4
[INFO] [stderr]    Compiling 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 reference `&rusty_machine::prelude::Matrix<f64>`
[INFO] [stderr]               found reference `&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 reference `&rusty_machine::prelude::Matrix<f64>`
[INFO] [stderr]               found reference `&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" "ac303ccd0c9bcaeab9209d9129408932f644a5855ae8ec632dbdb1d5ef3dd8a2"`
[INFO] running `"docker" "rm" "-f" "ac303ccd0c9bcaeab9209d9129408932f644a5855ae8ec632dbdb1d5ef3dd8a2"`
[INFO] [stdout] ac303ccd0c9bcaeab9209d9129408932f644a5855ae8ec632dbdb1d5ef3dd8a2