[INFO] cloning repository https://github.com/omar2535/Codewars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omar2535/Codewars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomar2535%2FCodewars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomar2535%2FCodewars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b88f9ce523448e739c0056e22cf6cd23d2ec3eb
[INFO] testing omar2535/Codewars against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomar2535%2FCodewars" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/omar2535/Codewars
[INFO] finished tweaking git repo https://github.com/omar2535/Codewars
[INFO] tweaked toml for git repo https://github.com/omar2535/Codewars written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/omar2535/Codewars on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/omar2535/Codewars 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 373d09b5d878df9b8e024849832d35774aa818a5eb565fe1e8ac4fac6234c21e
[INFO] running `Command { std: "docker" "start" "-a" "373d09b5d878df9b8e024849832d35774aa818a5eb565fe1e8ac4fac6234c21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "373d09b5d878df9b8e024849832d35774aa818a5eb565fe1e8ac4fac6234c21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "373d09b5d878df9b8e024849832d35774aa818a5eb565fe1e8ac4fac6234c21e", kill_on_drop: false }`
[INFO] [stdout] 373d09b5d878df9b8e024849832d35774aa818a5eb565fe1e8ac4fac6234c21e
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 707685f7e27f8c610d43d84ab1adf71072ea4dcc941dc1a66bc0ff62da462294
[INFO] running `Command { std: "docker" "start" "-a" "707685f7e27f8c610d43d84ab1adf71072ea4dcc941dc1a66bc0ff62da462294", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/problems/directions_reduction.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut i = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_next_square` is never used
[INFO] [stdout]  --> src/problems/next_perfect_square.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn find_next_square(sq: u64) -> Option<u64> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_short` is never used
[INFO] [stdout]  --> src/problems/shortest_word.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn find_short(s: &str) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]  --> src/problems/multiple_of_3_or_5.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn solution(num: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `assertion` is never used
[INFO] [stdout]   --> src/problems/multiple_of_3_or_5.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 |   fn assertion(expected : i32, input : i32) {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `array_diff` is never used
[INFO] [stdout]  --> src/problems/array_diff.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn array_diff<T: PartialEq>(a: Vec<T>, b: Vec<T>) -> Vec<T> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]  --> src/problems/directions_reduction.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Direction {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dir_reduc` is never used
[INFO] [stdout]  --> src/problems/directions_reduction.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn dir_reduc(arr: &[Direction]) -> Vec<Direction> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solequa` is never used
[INFO] [stdout]  --> src/problems/diophatine_equation.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn solequa(n: u64) -> Vec<(u64, u64)> {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "707685f7e27f8c610d43d84ab1adf71072ea4dcc941dc1a66bc0ff62da462294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707685f7e27f8c610d43d84ab1adf71072ea4dcc941dc1a66bc0ff62da462294", kill_on_drop: false }`
[INFO] [stdout] 707685f7e27f8c610d43d84ab1adf71072ea4dcc941dc1a66bc0ff62da462294
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc2ef3e2f41310a9fdf457c9466bd9236f53ea526381c3ef33da8f774919a891
[INFO] running `Command { std: "docker" "start" "-a" "dc2ef3e2f41310a9fdf457c9466bd9236f53ea526381c3ef33da8f774919a891", kill_on_drop: false }`
[INFO] [stderr]    Compiling codewars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/problems/directions_reduction.rs:20:40
[INFO] [stdout]    |
[INFO] [stdout] 20 |     use super::{dir_reduc, Direction::{self, *}};
[INFO] [stdout]    |                                        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/problems/directions_reduction.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut i = 0;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "dc2ef3e2f41310a9fdf457c9466bd9236f53ea526381c3ef33da8f774919a891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2ef3e2f41310a9fdf457c9466bd9236f53ea526381c3ef33da8f774919a891", kill_on_drop: false }`
[INFO] [stdout] dc2ef3e2f41310a9fdf457c9466bd9236f53ea526381c3ef33da8f774919a891
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd2f8b0bfd02533f994dfd51722c9a12475f01939d8e4a2ee0f7543b1c07e1ca
[INFO] running `Command { std: "docker" "start" "-a" "cd2f8b0bfd02533f994dfd51722c9a12475f01939d8e4a2ee0f7543b1c07e1ca", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/problems/directions_reduction.rs:20:40
[INFO] [stderr]    |
[INFO] [stderr] 20 |     use super::{dir_reduc, Direction::{self, *}};
[INFO] [stderr]    |                                        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/problems/directions_reduction.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut i = 0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `codewars` (bin "codewars" test) generated 2 warnings (run `cargo fix --bin "codewars" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/codewars-44b18a79373a7c79)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test problems::bit_counting::returns_expected ... ok
[INFO] [stdout] test problems::array_diff::tests::returns_expected ... ok
[INFO] [stdout] test problems::good_vs_evil::returns_expected ... ok
[INFO] [stdout] test problems::multiple_of_3_or_5::tests::sample_tests ... ok
[INFO] [stdout] test problems::human_readable_time::tests::fixed_tests ... ok
[INFO] [stdout] test problems::playing_with_digits::tests::basic_tests ... ok
[INFO] [stdout] test problems::shortest_word::tests::sample_tests ... ok
[INFO] [stdout] test problems::sum_of_pairs::returns_expected ... ok
[INFO] [stdout] test problems::tortoise_racing::basic_tests ... ok
[INFO] [stdout] test problems::two_sum::tests::sample ... ok
[INFO] [stdout] test problems::which_are_in::tests::examples ... ok
[INFO] [stdout] test problems::your_a_square::tests::fixed_tests ... ok
[INFO] [stdout] test problems::next_perfect_square::tests::sample_tests ... ok
[INFO] [stdout] test problems::diophatine_equation::tests::basics_solequa ... ok
[INFO] [stdout] test problems::directions_reduction::tests::basic has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "cd2f8b0bfd02533f994dfd51722c9a12475f01939d8e4a2ee0f7543b1c07e1ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2f8b0bfd02533f994dfd51722c9a12475f01939d8e4a2ee0f7543b1c07e1ca", kill_on_drop: false }`
[INFO] [stdout] cd2f8b0bfd02533f994dfd51722c9a12475f01939d8e4a2ee0f7543b1c07e1ca
