[INFO] cloning repository https://github.com/jareks/ndarray-100-exercises [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjareks%2Fndarray-100-exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0fb79856738f5f1b9b50e363de7a45b5ba68fbaa [INFO] checking jareks/ndarray-100-exercises against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjareks%2Fndarray-100-exercises" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jareks/ndarray-100-exercises on toolchain 2e6fc425411280c658d852813de01c5157255088 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc1/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 `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-complex v0.1.35 [INFO] [stderr] Downloaded either v1.0.2 [INFO] [stderr] Downloaded ndarray-rand v0.3.1 [INFO] [stderr] Downloaded matrixmultiply v0.1.13 [INFO] [stderr] Downloaded itertools v0.5.8 [INFO] [stderr] Downloaded ndarray v0.7.2 [INFO] [stderr] Downloaded libc v0.2.19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 279fd1e0c276313b0c8810620200a96cce2c221bc4718a0e782d06c2652c57be [INFO] running `Command { std: "docker" "start" "-a" "279fd1e0c276313b0c8810620200a96cce2c221bc4718a0e782d06c2652c57be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "279fd1e0c276313b0c8810620200a96cce2c221bc4718a0e782d06c2652c57be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "279fd1e0c276313b0c8810620200a96cce2c221bc4718a0e782d06c2652c57be", kill_on_drop: false }` [INFO] [stdout] 279fd1e0c276313b0c8810620200a96cce2c221bc4718a0e782d06c2652c57be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07e61b400a38d7cf1eec0669f5ea7b4c42faac705d230f6abf86645d861a64fa [INFO] running `Command { std: "docker" "start" "-a" "07e61b400a38d7cf1eec0669f5ea7b4c42faac705d230f6abf86645d861a64fa", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling matrixmultiply v0.1.13 [INFO] [stderr] Checking num-traits v0.1.36 [INFO] [stderr] Compiling ndarray v0.7.2 [INFO] [stderr] Checking either v1.0.2 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Checking libc v0.2.19 [INFO] [stderr] Checking approx v0.1.1 [INFO] [stderr] Checking itertools v0.5.8 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking num-complex v0.1.35 [INFO] [stderr] Checking ndarray-rand v0.3.1 [INFO] [stderr] Checking ndarray-100-exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use(s)] [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray::*` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use ndarray::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ndarray_rand::RandomExt` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use ndarray_rand::RandomExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use(s)] [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:25:36 [INFO] [stdout] | [INFO] [stdout] 25 | let arr = Array1::::zeros((10)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - let arr = Array1::::zeros((10)); [INFO] [stdout] 25 + let arr = Array1::::zeros(10); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:33:40 [INFO] [stdout] | [INFO] [stdout] 33 | let mut arr = Array1::::zeros((10)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 33 - let mut arr = Array1::::zeros((10)); [INFO] [stdout] 33 + let mut arr = Array1::::zeros(10); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:131:42 [INFO] [stdout] | [INFO] [stdout] 131 | let arr: Array1 = Array::random((30), rand::distributions::normal::Normal::new(0.0, 10.0)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 131 - let arr: Array1 = Array::random((30), rand::distributions::normal::Normal::new(0.0, 10.0)); [INFO] [stdout] 131 + let arr: Array1 = Array::random(30, rand::distributions::normal::Normal::new(0.0, 10.0)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.18s [INFO] running `Command { std: "docker" "inspect" "07e61b400a38d7cf1eec0669f5ea7b4c42faac705d230f6abf86645d861a64fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07e61b400a38d7cf1eec0669f5ea7b4c42faac705d230f6abf86645d861a64fa", kill_on_drop: false }` [INFO] [stdout] 07e61b400a38d7cf1eec0669f5ea7b4c42faac705d230f6abf86645d861a64fa