[INFO] updating cached repository https://github.com/jareks/ndarray-100-exercises [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/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] 0fb79856738f5f1b9b50e363de7a45b5ba68fbaa [INFO] testing jareks/ndarray-100-exercises against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjareks%2Fndarray-100-exercises" "work/builds/worker-2/source"` [INFO] [stderr] Cloning into 'work/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jareks/ndarray-100-exercises on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jareks/ndarray-100-exercises [INFO] finished tweaking git repo https://github.com/jareks/ndarray-100-exercises [INFO] tweaked toml for git repo https://github.com/jareks/ndarray-100-exercises written to work/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/jareks/ndarray-100-exercises already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=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-2019-09-28" "build" "--frozen"` [INFO] [stdout] 1f1b11cf498648a7f15a4628b0909e2f35e98c9805e82fa57d8be81348b3d56f [INFO] running `"docker" "start" "-a" "1f1b11cf498648a7f15a4628b0909e2f35e98c9805e82fa57d8be81348b3d56f"` [INFO] [stderr] Compiling either v1.0.2 [INFO] [stderr] Compiling ndarray v0.7.2 [INFO] [stderr] Compiling num-complex v0.1.35 [INFO] [stderr] Compiling itertools v0.5.8 [INFO] [stderr] Compiling ndarray-rand v0.3.1 [INFO] [stderr] Compiling ndarray-100-exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:13 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use(s)] [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:6:1 [INFO] [stderr] | [INFO] [stderr] 6 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ndarray::*` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use ndarray::*; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ndarray_rand::RandomExt` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use ndarray_rand::RandomExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.29s [INFO] running `"docker" "inspect" "1f1b11cf498648a7f15a4628b0909e2f35e98c9805e82fa57d8be81348b3d56f"` [INFO] running `"docker" "rm" "-f" "1f1b11cf498648a7f15a4628b0909e2f35e98c9805e82fa57d8be81348b3d56f"` [INFO] [stdout] 1f1b11cf498648a7f15a4628b0909e2f35e98c9805e82fa57d8be81348b3d56f [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=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-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] eb36808577906e67bf8d4f3c580c8114ea461204738b1c537531085b23787c6d [INFO] running `"docker" "start" "-a" "eb36808577906e67bf8d4f3c580c8114ea461204738b1c537531085b23787c6d"` [INFO] [stderr] Compiling ndarray-100-exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:13 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use(s)] [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:25:36 [INFO] [stderr] | [INFO] [stderr] 25 | let arr = Array1::::zeros((10)); [INFO] [stderr] | ^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:33:40 [INFO] [stderr] | [INFO] [stderr] 33 | let mut arr = Array1::::zeros((10)); [INFO] [stderr] | ^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:131:42 [INFO] [stderr] | [INFO] [stderr] 131 | let arr: Array1 = Array::random((30), rand::distributions::normal::Normal::new(0.0, 10.0)); [INFO] [stderr] | ^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `"docker" "inspect" "eb36808577906e67bf8d4f3c580c8114ea461204738b1c537531085b23787c6d"` [INFO] running `"docker" "rm" "-f" "eb36808577906e67bf8d4f3c580c8114ea461204738b1c537531085b23787c6d"` [INFO] [stdout] eb36808577906e67bf8d4f3c580c8114ea461204738b1c537531085b23787c6d [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=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-2019-09-28" "test" "--frozen"` [INFO] [stdout] 1c29cdc09cedd21355a4166843c3da2808ccf5a5cf7fe4f5bcfbacc6beffa912 [INFO] running `"docker" "start" "-a" "1c29cdc09cedd21355a4166843c3da2808ccf5a5cf7fe4f5bcfbacc6beffa912"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ndarray_100_exercises-d84cc5ee5fdc76b5 [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test exercise10 ... ok [INFO] [stdout] test exercise10b ... ok [INFO] [stdout] test exercise11 ... ok [INFO] [stdout] test exercise14 ... ok [INFO] [stdout] test exercise6 ... ok [INFO] [stdout] test exercise12 ... ok [INFO] [stdout] test exercise7 ... ok [INFO] [stdout] test exercise13 ... ok [INFO] [stdout] test exercise8 ... ok [INFO] [stdout] test exercise8b ... ok [INFO] [stdout] test exercise9 ... ok [INFO] [stdout] test exercise15 ... ok [INFO] [stdout] test exercise18 ... ok [INFO] [stdout] test exercise16 ... ok [INFO] [stdout] test exercise3 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "1c29cdc09cedd21355a4166843c3da2808ccf5a5cf7fe4f5bcfbacc6beffa912"` [INFO] running `"docker" "rm" "-f" "1c29cdc09cedd21355a4166843c3da2808ccf5a5cf7fe4f5bcfbacc6beffa912"` [INFO] [stdout] 1c29cdc09cedd21355a4166843c3da2808ccf5a5cf7fe4f5bcfbacc6beffa912