[INFO] cloning repository https://github.com/gangashman/rust_recognition_digit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gangashman/rust_recognition_digit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgangashman%2Frust_recognition_digit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgangashman%2Frust_recognition_digit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b714d18f451912eb46294b7003dd1dfe12a99ba
[INFO] testing gangashman/rust_recognition_digit against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgangashman%2Frust_recognition_digit" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gangashman/rust_recognition_digit on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e772a4181ac13b3ebe83bad96c4c6716d76deba8d61936c49a9ec6e6b7736439
[INFO] running `Command { std: "docker" "start" "-a" "e772a4181ac13b3ebe83bad96c4c6716d76deba8d61936c49a9ec6e6b7736439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e772a4181ac13b3ebe83bad96c4c6716d76deba8d61936c49a9ec6e6b7736439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e772a4181ac13b3ebe83bad96c4c6716d76deba8d61936c49a9ec6e6b7736439", kill_on_drop: false }`
[INFO] [stdout] e772a4181ac13b3ebe83bad96c4c6716d76deba8d61936c49a9ec6e6b7736439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d71fdca99037a30d8da10db2f217619adb76b1e42696802b7670d61179dcc1a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d71fdca99037a30d8da10db2f217619adb76b1e42696802b7670d61179dcc1a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[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 rusty-machine v0.5.4
[INFO] [stderr]    Compiling recognition_digit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |     model.train(&inputs, &targets).unwrap();
[INFO] [stdout]    |                 ^^^^^^^ expected `f64`, found `u8`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&rusty_machine::prelude::Matrix<f64>`
[INFO] [stdout]               found reference `&rusty_machine::prelude::Matrix<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:58:26
[INFO] [stdout]    |
[INFO] [stdout] 58 |     model.train(&inputs, &targets).unwrap();
[INFO] [stdout]    |                          ^^^^^^^^ expected struct `rusty_machine::prelude::Matrix`, found struct `rusty_machine::prelude::Vector`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&rusty_machine::prelude::Matrix<f64>`
[INFO] [stdout]               found reference `&rusty_machine::prelude::Vector<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `recognition_digit` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "d71fdca99037a30d8da10db2f217619adb76b1e42696802b7670d61179dcc1a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71fdca99037a30d8da10db2f217619adb76b1e42696802b7670d61179dcc1a4", kill_on_drop: false }`
[INFO] [stdout] d71fdca99037a30d8da10db2f217619adb76b1e42696802b7670d61179dcc1a4