[INFO] updating cached repository Tretygon/Neural_Network
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Tretygon/Neural_Network
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Tretygon/Neural_Network" "work/ex/beta-1.38-1/sources/1.37.0/gh/Tretygon/Neural_Network"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Tretygon/Neural_Network'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Tretygon/Neural_Network" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tretygon/Neural_Network"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tretygon/Neural_Network'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d8b77af4837bf436456dbd530e15a43a8f11e017
[INFO] sha for GitHub repo Tretygon/Neural_Network: d8b77af4837bf436456dbd530e15a43a8f11e017
[INFO] validating manifest of Tretygon/Neural_Network on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Tretygon/Neural_Network on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Tretygon/Neural_Network
[INFO] finished frobbing Tretygon/Neural_Network
[INFO] frobbed toml for Tretygon/Neural_Network written to work/ex/beta-1.38-1/sources/1.37.0/gh/Tretygon/Neural_Network/Cargo.toml
[INFO] started frobbing Tretygon/Neural_Network
[INFO] finished frobbing Tretygon/Neural_Network
[INFO] frobbed toml for Tretygon/Neural_Network written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tretygon/Neural_Network/Cargo.toml
[INFO] crate Tretygon/Neural_Network already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Tretygon/Neural_Network against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Tretygon/Neural_Network:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] abadcd6445800c9b08170e34a3fbbf8993efd7435085c13f9a93af567299c41a
[INFO] running `"docker" "start" "-a" "abadcd6445800c9b08170e34a3fbbf8993efd7435085c13f9a93af567299c41a"`
[INFO] [stderr]    Compiling serde v1.0.45
[INFO] [stderr]    Compiling mnist v0.4.0
[INFO] [stderr]    Compiling syn v0.13.4
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.45
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling Neural_Network v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `x`
[INFO] [stderr]    --> src/main.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |     x > 0_f32 ? x 0_f32
[INFO] [stderr]     |                 ^ expected one of `.`, `;`, `?`, `}`, or an operator here
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the `?` operator can only be applied to values that implement `std::ops::Try`
[INFO] [stderr]    --> src/main.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |     x > 0_f32 ? x 0_f32
[INFO] [stderr]     |         ^^^^^^^ the `?` operator cannot be applied to type `f32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::Try` is not implemented for `f32`
[INFO] [stderr]     = note: required by `std::ops::Try::into_result`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 116 | pub fn relu(x: f32)-> f32{
[INFO] [stderr]     |                       --- expected `f32` because of return type
[INFO] [stderr] 117 |     x > 0_f32 ? x 0_f32
[INFO] [stderr]     |     ^^^^^^^^^^^ expected f32, found bool
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `Neural_Network`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "abadcd6445800c9b08170e34a3fbbf8993efd7435085c13f9a93af567299c41a"`
[INFO] running `"docker" "rm" "-f" "abadcd6445800c9b08170e34a3fbbf8993efd7435085c13f9a93af567299c41a"`
[INFO] [stdout] abadcd6445800c9b08170e34a3fbbf8993efd7435085c13f9a93af567299c41a