[INFO] cloning repository https://github.com/Mort1B/rust-array-scramble
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mort1B/rust-array-scramble" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMort1B%2Frust-array-scramble", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMort1B%2Frust-array-scramble'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 729cba4f9082582c1d0a33ab8de54729a369a661
[INFO] checking Mort1B/rust-array-scramble against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMort1B%2Frust-array-scramble" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mort1B/rust-array-scramble on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mort1B/rust-array-scramble
[INFO] finished tweaking git repo https://github.com/Mort1B/rust-array-scramble
[INFO] tweaked toml for git repo https://github.com/Mort1B/rust-array-scramble written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Mort1B/rust-array-scramble 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded ndarray-stats v0.5.0
[INFO] [stderr]   Downloaded num-complex v0.4.1
[INFO] [stderr]   Downloaded tagger v4.3.3
[INFO] [stderr]   Downloaded poloto v11.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b0ce3a4b9ff87ddebab9196bf8ec89294e833f216251ee29eae3049ff7e1fe1
[INFO] running `Command { std: "docker" "start" "-a" "2b0ce3a4b9ff87ddebab9196bf8ec89294e833f216251ee29eae3049ff7e1fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b0ce3a4b9ff87ddebab9196bf8ec89294e833f216251ee29eae3049ff7e1fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0ce3a4b9ff87ddebab9196bf8ec89294e833f216251ee29eae3049ff7e1fe1", kill_on_drop: false }`
[INFO] [stdout] 2b0ce3a4b9ff87ddebab9196bf8ec89294e833f216251ee29eae3049ff7e1fe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ccba5befae681269e726373661943840a68ce12e18b97c10c0df2145fd91642
[INFO] running `Command { std: "docker" "start" "-a" "5ccba5befae681269e726373661943840a68ce12e18b97c10c0df2145fd91642", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking tagger v4.3.3
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.1
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ndarray v0.15.4
[INFO] [stderr]     Checking poloto v11.1.6
[INFO] [stderr]     Checking ndarray-stats v0.5.0
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking rust-ds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `StandardNormal`
[INFO] [stdout]  --> src/main.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray_rand::rand_distr::{StandardNormal, Uniform};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GridBuilder`, `strategies::Sqrt`
[INFO] [stdout]  --> src/main.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ndarray_stats::histogram::{strategies::Sqrt, GridBuilder};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray_stats::HistogramExt`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray_stats::HistogramExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `N64`, `n64`
[INFO] [stdout]  --> src/main.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | use noisy_float::types::{n64, N64};
[INFO] [stdout]   |                          ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StandardNormal`
[INFO] [stdout]  --> src/main.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray_rand::rand_distr::{StandardNormal, Uniform};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GridBuilder`, `strategies::Sqrt`
[INFO] [stdout]  --> src/main.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ndarray_stats::histogram::{strategies::Sqrt, GridBuilder};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ndarray_stats::HistogramExt`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ndarray_stats::HistogramExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `N64`, `n64`
[INFO] [stdout]  --> src/main.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | use noisy_float::types::{n64, N64};
[INFO] [stdout]   |                          ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.97s
[INFO] running `Command { std: "docker" "inspect" "5ccba5befae681269e726373661943840a68ce12e18b97c10c0df2145fd91642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ccba5befae681269e726373661943840a68ce12e18b97c10c0df2145fd91642", kill_on_drop: false }`
[INFO] [stdout] 5ccba5befae681269e726373661943840a68ce12e18b97c10c0df2145fd91642