[INFO] cloning repository https://github.com/ekarbe/rust-algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ekarbe/rust-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekarbe%2Frust-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekarbe%2Frust-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28bc0fad5114c363e9c58487dc43f2fe14b3fe30
[INFO] testing ekarbe/rust-algorithms against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekarbe%2Frust-algorithms" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ekarbe/rust-algorithms on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ekarbe/rust-algorithms
[INFO] finished tweaking git repo https://github.com/ekarbe/rust-algorithms
[INFO] tweaked toml for git repo https://github.com/ekarbe/rust-algorithms written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ekarbe/rust-algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec66244466cc194f24f46cc6e19028e71802e3589cf77dfaf94804343a843d29
[INFO] running `Command { std: "docker" "start" "-a" "ec66244466cc194f24f46cc6e19028e71802e3589cf77dfaf94804343a843d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec66244466cc194f24f46cc6e19028e71802e3589cf77dfaf94804343a843d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec66244466cc194f24f46cc6e19028e71802e3589cf77dfaf94804343a843d29", kill_on_drop: false }`
[INFO] [stdout] ec66244466cc194f24f46cc6e19028e71802e3589cf77dfaf94804343a843d29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b0c29e5f40cff81b17faaff494f7e6530a499a4043391dfd08bf720fc276fa6
[INFO] running `Command { std: "docker" "start" "-a" "6b0c29e5f40cff81b17faaff494f7e6530a499a4043391dfd08bf720fc276fa6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-algorithms v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sort`
[INFO] [stdout]  --> src/bubble_sort.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn sort(arr: &mut [i32]) -> &mut [i32] {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sort`
[INFO] [stdout]  --> src/cocktail_shaker_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sort(arr: &mut [i32]) -> &mut [i32] {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sort`
[INFO] [stdout]  --> src/insertion_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sort(arr: &mut [i32]) -> &mut [i32] {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index_of`
[INFO] [stdout]  --> src/linear_search.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn index_of(arr: &[i32], tar: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `max`
[INFO] [stdout]  --> src/selection_search.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn max(arr: &[i32]) -> i32 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `min`
[INFO] [stdout]   --> src/selection_search.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn min(arr: &[i32]) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "6b0c29e5f40cff81b17faaff494f7e6530a499a4043391dfd08bf720fc276fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0c29e5f40cff81b17faaff494f7e6530a499a4043391dfd08bf720fc276fa6", kill_on_drop: false }`
[INFO] [stdout] 6b0c29e5f40cff81b17faaff494f7e6530a499a4043391dfd08bf720fc276fa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fd17938625ce96a9bd994a9a97e6e56141dfa227b37f5a45635a108882b6471
[INFO] running `Command { std: "docker" "start" "-a" "5fd17938625ce96a9bd994a9a97e6e56141dfa227b37f5a45635a108882b6471", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-algorithms v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "5fd17938625ce96a9bd994a9a97e6e56141dfa227b37f5a45635a108882b6471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd17938625ce96a9bd994a9a97e6e56141dfa227b37f5a45635a108882b6471", kill_on_drop: false }`
[INFO] [stdout] 5fd17938625ce96a9bd994a9a97e6e56141dfa227b37f5a45635a108882b6471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 85868921adc5b3a4578f245bda4261f6b09f1b6ece9440ebfdccfd726e691817
[INFO] running `Command { std: "docker" "start" "-a" "85868921adc5b3a4578f245bda4261f6b09f1b6ece9440ebfdccfd726e691817", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_algorithms-2d4b979c02875bc4)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test bubble_sort::average ... ok
[INFO] [stdout] test bubble_sort::best ... ok
[INFO] [stdout] test bubble_sort::worst ... ok
[INFO] [stdout] test cocktail_shaker_sort::average ... ok
[INFO] [stdout] test cocktail_shaker_sort::worst ... ok
[INFO] [stdout] test cocktail_shaker_sort::best ... ok
[INFO] [stdout] test insertion_sort::average ... ok
[INFO] [stdout] test insertion_sort::best ... ok
[INFO] [stdout] test insertion_sort::worst ... ok
[INFO] [stdout] test linear_search::best ... ok
[INFO] [stdout] test linear_search::in_array ... ok
[INFO] [stdout] test linear_search::not_in_array ... ok
[INFO] [stdout] test linear_search::worst ... ok
[INFO] [stdout] test selection_search::best ... ok
[INFO] [stdout] test selection_search::worst ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85868921adc5b3a4578f245bda4261f6b09f1b6ece9440ebfdccfd726e691817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85868921adc5b3a4578f245bda4261f6b09f1b6ece9440ebfdccfd726e691817", kill_on_drop: false }`
[INFO] [stdout] 85868921adc5b3a4578f245bda4261f6b09f1b6ece9440ebfdccfd726e691817