[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-1.37-6/sources/1.36.0/gh/jareks/ndarray-100-exercises"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jareks/ndarray-100-exercises'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jareks/ndarray-100-exercises" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jareks/ndarray-100-exercises"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jareks/ndarray-100-exercises on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing jareks/ndarray-100-exercises against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] fbf3680394cc270aa6e96654168e0f51cdbfc1519c7ebbe4506a82d0a276bdaa [INFO] running `"docker" "start" "-a" "fbf3680394cc270aa6e96654168e0f51cdbfc1519c7ebbe4506a82d0a276bdaa"` [INFO] [stderr] Compiling ndarray v0.7.2 [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 5.71s [INFO] running `"docker" "inspect" "fbf3680394cc270aa6e96654168e0f51cdbfc1519c7ebbe4506a82d0a276bdaa"` [INFO] running `"docker" "rm" "-f" "fbf3680394cc270aa6e96654168e0f51cdbfc1519c7ebbe4506a82d0a276bdaa"` [INFO] [stdout] fbf3680394cc270aa6e96654168e0f51cdbfc1519c7ebbe4506a82d0a276bdaa [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 2b0b28e4328ae1efbe657060a671f1e7adbc523dd3994019accc04fd2a011767 [INFO] running `"docker" "start" "-a" "2b0b28e4328ae1efbe657060a671f1e7adbc523dd3994019accc04fd2a011767"` [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::::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 1.46s [INFO] running `"docker" "inspect" "2b0b28e4328ae1efbe657060a671f1e7adbc523dd3994019accc04fd2a011767"` [INFO] running `"docker" "rm" "-f" "2b0b28e4328ae1efbe657060a671f1e7adbc523dd3994019accc04fd2a011767"` [INFO] [stdout] 2b0b28e4328ae1efbe657060a671f1e7adbc523dd3994019accc04fd2a011767 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 511c2b266bf002648327a33054552fbdca0483da4a0875387dda69ea8b0d66c2 [INFO] running `"docker" "start" "-a" "511c2b266bf002648327a33054552fbdca0483da4a0875387dda69ea8b0d66c2"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/ndarray_100_exercises-c448312c9e855be5 [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test exercise10b ... ok [INFO] [stdout] test exercise10 ... ok [INFO] [stdout] test exercise11 ... ok [INFO] [stdout] test exercise14 ... ok [INFO] [stdout] test exercise12 ... ok [INFO] [stdout] test exercise13 ... ok [INFO] [stdout] test exercise18 ... ok [INFO] [stdout] test exercise3 ... ok [INFO] [stdout] test exercise8b ... ok [INFO] [stdout] test exercise8 ... ok [INFO] [stdout] test exercise7 ... ok [INFO] [stdout] test exercise16 ... ok [INFO] [stdout] test exercise6 ... ok [INFO] [stdout] test exercise9 ... ok [INFO] [stdout] test exercise15 ... 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" "511c2b266bf002648327a33054552fbdca0483da4a0875387dda69ea8b0d66c2"` [INFO] running `"docker" "rm" "-f" "511c2b266bf002648327a33054552fbdca0483da4a0875387dda69ea8b0d66c2"` [INFO] [stdout] 511c2b266bf002648327a33054552fbdca0483da4a0875387dda69ea8b0d66c2