[INFO] updating cached repository jareks/ndarray-100-exercises
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jareks/ndarray-100-exercises
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jareks/ndarray-100-exercises" "work/ex/beta-1.38-1/sources/1.37.0/gh/jareks/ndarray-100-exercises"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jareks/ndarray-100-exercises'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jareks/ndarray-100-exercises" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jareks/ndarray-100-exercises"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jareks/ndarray-100-exercises'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0fb79856738f5f1b9b50e363de7a45b5ba68fbaa
[INFO] sha for GitHub repo jareks/ndarray-100-exercises: 0fb79856738f5f1b9b50e363de7a45b5ba68fbaa
[INFO] validating manifest of jareks/ndarray-100-exercises 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 jareks/ndarray-100-exercises 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 jareks/ndarray-100-exercises
[INFO] finished frobbing jareks/ndarray-100-exercises
[INFO] frobbed toml for jareks/ndarray-100-exercises written to work/ex/beta-1.38-1/sources/1.37.0/gh/jareks/ndarray-100-exercises/Cargo.toml
[INFO] started frobbing jareks/ndarray-100-exercises
[INFO] finished frobbing jareks/ndarray-100-exercises
[INFO] frobbed toml for jareks/ndarray-100-exercises written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jareks/ndarray-100-exercises/Cargo.toml
[INFO] crate jareks/ndarray-100-exercises 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 jareks/ndarray-100-exercises against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jareks/ndarray-100-exercises:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f25038c2dd458f93b3e030318ffcd8fd8ffefdf9b16c81fd0488e62ea44bb9a4
[INFO] running `"docker" "start" "-a" "f25038c2dd458f93b3e030318ffcd8fd8ffefdf9b16c81fd0488e62ea44bb9a4"`
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]    Compiling ndarray v0.7.2
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling ndarray-rand v0.3.1
[INFO] [stderr]    Compiling ndarray-100-exercises v0.1.0 (/opt/crater/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 6.40s
[INFO] running `"docker" "inspect" "f25038c2dd458f93b3e030318ffcd8fd8ffefdf9b16c81fd0488e62ea44bb9a4"`
[INFO] running `"docker" "rm" "-f" "f25038c2dd458f93b3e030318ffcd8fd8ffefdf9b16c81fd0488e62ea44bb9a4"`
[INFO] [stdout] f25038c2dd458f93b3e030318ffcd8fd8ffefdf9b16c81fd0488e62ea44bb9a4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jareks/ndarray-100-exercises:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 98750557b9e3423fef151c4b7b1f65aff422f520a9763f1ccd9dbec8eb61e7b5
[INFO] running `"docker" "start" "-a" "98750557b9e3423fef151c4b7b1f65aff422f520a9763f1ccd9dbec8eb61e7b5"`
[INFO] [stderr]    Compiling ndarray-100-exercises v0.1.0 (/opt/crater/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::<f64>::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::<f64>::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<f64> = 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 1.31s
[INFO] running `"docker" "inspect" "98750557b9e3423fef151c4b7b1f65aff422f520a9763f1ccd9dbec8eb61e7b5"`
[INFO] running `"docker" "rm" "-f" "98750557b9e3423fef151c4b7b1f65aff422f520a9763f1ccd9dbec8eb61e7b5"`
[INFO] [stdout] 98750557b9e3423fef151c4b7b1f65aff422f520a9763f1ccd9dbec8eb61e7b5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jareks/ndarray-100-exercises:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c53a747f5730a73975aca8d6a35f666e4dc06f7850c776259923f7f0e56d1458
[INFO] running `"docker" "start" "-a" "c53a747f5730a73975aca8d6a35f666e4dc06f7850c776259923f7f0e56d1458"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ndarray_100_exercises-c3a2b4e660090106
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test exercise11 ... ok
[INFO] [stdout] test exercise10 ... ok
[INFO] [stdout] test exercise12 ... ok
[INFO] [stdout] test exercise14 ... ok
[INFO] [stdout] test exercise15 ... ok
[INFO] [stdout] test exercise16 ... ok
[INFO] [stdout] test exercise6 ... ok
[INFO] [stdout] test exercise3 ... ok
[INFO] [stdout] test exercise8 ... ok
[INFO] [stdout] test exercise10b ... ok
[INFO] [stdout] test exercise7 ... ok
[INFO] [stdout] test exercise9 ... ok
[INFO] [stdout] test exercise13 ... ok
[INFO] [stdout] test exercise18 ... ok
[INFO] [stdout] test exercise8b ... 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" "c53a747f5730a73975aca8d6a35f666e4dc06f7850c776259923f7f0e56d1458"`
[INFO] running `"docker" "rm" "-f" "c53a747f5730a73975aca8d6a35f666e4dc06f7850c776259923f7f0e56d1458"`
[INFO] [stdout] c53a747f5730a73975aca8d6a35f666e4dc06f7850c776259923f7f0e56d1458