[INFO] cloning repository https://github.com/jareks/ndarray-100-exercises [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jareks/ndarray-100-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjareks%2Fndarray-100-exercises"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjareks%2Fndarray-100-exercises'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0fb79856738f5f1b9b50e363de7a45b5ba68fbaa [INFO] testing jareks/ndarray-100-exercises against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjareks%2Fndarray-100-exercises" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jareks/ndarray-100-exercises on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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 /workspace/builds/worker-5/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 `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ndarray-rand v0.3.1 [INFO] [stderr] Downloaded ndarray v0.7.2 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 69d83fbcaed808d4912a5292d3a5e0e0a65a26a9c02821d5927b8611463d3bcb [INFO] running `"docker" "start" "-a" "69d83fbcaed808d4912a5292d3a5e0e0a65a26a9c02821d5927b8611463d3bcb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling matrixmultiply v0.1.13 [INFO] [stderr] Compiling ndarray v0.7.2 [INFO] [stderr] Compiling num-traits v0.1.36 [INFO] [stderr] Compiling either v1.0.2 [INFO] [stderr] Compiling libc v0.2.19 [INFO] [stderr] Compiling approx v0.1.1 [INFO] [stderr] Compiling itertools v0.5.8 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling num-complex v0.1.35 [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] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.19s [INFO] running `"docker" "inspect" "69d83fbcaed808d4912a5292d3a5e0e0a65a26a9c02821d5927b8611463d3bcb"` [INFO] running `"docker" "rm" "-f" "69d83fbcaed808d4912a5292d3a5e0e0a65a26a9c02821d5927b8611463d3bcb"` [INFO] [stdout] 69d83fbcaed808d4912a5292d3a5e0e0a65a26a9c02821d5927b8611463d3bcb [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8bad6db0425b03aad525fe9ce7b1d3f75ddded0ba39d77e0c6ec658ca112e75d [INFO] running `"docker" "start" "-a" "8bad6db0425b03aad525fe9ce7b1d3f75ddded0ba39d77e0c6ec658ca112e75d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `"docker" "inspect" "8bad6db0425b03aad525fe9ce7b1d3f75ddded0ba39d77e0c6ec658ca112e75d"` [INFO] running `"docker" "rm" "-f" "8bad6db0425b03aad525fe9ce7b1d3f75ddded0ba39d77e0c6ec658ca112e75d"` [INFO] [stdout] 8bad6db0425b03aad525fe9ce7b1d3f75ddded0ba39d77e0c6ec658ca112e75d [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7831ffc343fa61d4790e6f303c52647e4a1f08bfea709b39ae8ee78108f19163 [INFO] running `"docker" "start" "-a" "7831ffc343fa61d4790e6f303c52647e4a1f08bfea709b39ae8ee78108f19163"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [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] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/ndarray_100_exercises-d450bbb65fbcc54f [INFO] [stdout] [INFO] [stdout] running 15 tests [INFO] [stdout] test exercise10 ... ok [INFO] [stdout] test exercise18 ... ok [INFO] [stdout] test exercise3 ... ok [INFO] [stdout] test exercise10b ... ok [INFO] [stdout] test exercise13 ... ok [INFO] [stdout] test exercise14 ... ok [INFO] [stdout] test exercise7 ... ok [INFO] [stdout] test exercise15 ... ok [INFO] [stdout] test exercise9 ... ok [INFO] [stdout] test exercise6 ... ok [INFO] [stdout] test exercise12 ... ok [INFO] [stdout] test exercise11 ... ok [INFO] [stdout] test exercise8b ... ok [INFO] [stdout] test exercise16 ... ok [INFO] [stdout] test exercise8 ... 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" "7831ffc343fa61d4790e6f303c52647e4a1f08bfea709b39ae8ee78108f19163"` [INFO] running `"docker" "rm" "-f" "7831ffc343fa61d4790e6f303c52647e4a1f08bfea709b39ae8ee78108f19163"` [INFO] [stdout] 7831ffc343fa61d4790e6f303c52647e4a1f08bfea709b39ae8ee78108f19163