[INFO] updating cached repository segura2010/Rust-NeuralNet-IC
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/segura2010/Rust-NeuralNet-IC
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/segura2010/Rust-NeuralNet-IC" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/segura2010/Rust-NeuralNet-IC"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/segura2010/Rust-NeuralNet-IC'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/segura2010/Rust-NeuralNet-IC" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/segura2010/Rust-NeuralNet-IC"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/segura2010/Rust-NeuralNet-IC'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 83b550e0ba13670dcae19ea5b998eede7448edb8
[INFO] sha for GitHub repo segura2010/Rust-NeuralNet-IC: 83b550e0ba13670dcae19ea5b998eede7448edb8
[INFO] validating manifest of segura2010/Rust-NeuralNet-IC 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 segura2010/Rust-NeuralNet-IC 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 segura2010/Rust-NeuralNet-IC
[INFO] finished frobbing segura2010/Rust-NeuralNet-IC
[INFO] frobbed toml for segura2010/Rust-NeuralNet-IC written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/segura2010/Rust-NeuralNet-IC/Cargo.toml
[INFO] started frobbing segura2010/Rust-NeuralNet-IC
[INFO] finished frobbing segura2010/Rust-NeuralNet-IC
[INFO] frobbed toml for segura2010/Rust-NeuralNet-IC written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/segura2010/Rust-NeuralNet-IC/Cargo.toml
[INFO] crate segura2010/Rust-NeuralNet-IC 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] error: the lock file /mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/segura2010/Rust-NeuralNet-IC/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 segura2010/Rust-NeuralNet-IC against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/segura2010/Rust-NeuralNet-IC:/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] 9ffd4ca21f3bfb8e948f11a23e68f7c64386978729a132d9b872fc1752a80ab9
[INFO] running `"docker" "start" "-a" "9ffd4ca21f3bfb8e948f11a23e68f7c64386978729a132d9b872fc1752a80ab9"`
[INFO] [stderr]     Checking redneuronal v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `IsaacRng` in `rand`
[INFO] [stderr]    --> src/main.rs:656:22
[INFO] [stderr]     |
[INFO] [stderr] 656 |     let mut rng = rand::IsaacRng::new_unseeded();
[INFO] [stderr]     |                         ^^^^^^^^ could not find `IsaacRng` in `rand`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `IsaacRng` in `rand`
[INFO] [stderr]    --> src/main.rs:656:22
[INFO] [stderr]     |
[INFO] [stderr] 656 |     let mut rng = rand::IsaacRng::new_unseeded();
[INFO] [stderr]     |                         ^^^^^^^^ could not find `IsaacRng` in `rand`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `usize: std::ops::Neg` is not satisfied
[INFO] [stderr]    --> src/main.rs:484:34
[INFO] [stderr]     |
[INFO] [stderr] 484 |                 let mut pesoAnterior = -1;
[INFO] [stderr]     |                                        ^^ the trait `std::ops::Neg` is not implemented for `usize`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `redneuronal`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the trait bound `usize: std::ops::Neg` is not satisfied
[INFO] [stderr]    --> src/main.rs:484:34
[INFO] [stderr]     |
[INFO] [stderr] 484 |                 let mut pesoAnterior = -1;
[INFO] [stderr]     |                                        ^^ the trait `std::ops::Neg` is not implemented for `usize`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `redneuronal`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9ffd4ca21f3bfb8e948f11a23e68f7c64386978729a132d9b872fc1752a80ab9"`
[INFO] running `"docker" "rm" "-f" "9ffd4ca21f3bfb8e948f11a23e68f7c64386978729a132d9b872fc1752a80ab9"`
[INFO] [stdout] 9ffd4ca21f3bfb8e948f11a23e68f7c64386978729a132d9b872fc1752a80ab9