[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28bc0fad5114c363e9c58487dc43f2fe14b3fe30
[INFO] testing ekarbe/rust-algorithms against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekarbe%2Frust-algorithms" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ekarbe/rust-algorithms on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a115fd0a22fa1cfc1183a0cd7ddf7d373410a7df4d74ef871a6a4594346145c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0a115fd0a22fa1cfc1183a0cd7ddf7d373410a7df4d74ef871a6a4594346145c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a115fd0a22fa1cfc1183a0cd7ddf7d373410a7df4d74ef871a6a4594346145c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a115fd0a22fa1cfc1183a0cd7ddf7d373410a7df4d74ef871a6a4594346145c", kill_on_drop: false }`
[INFO] [stdout] 0a115fd0a22fa1cfc1183a0cd7ddf7d373410a7df4d74ef871a6a4594346145c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1112ec12427c1088654337e483b7740ffd6571bf884bdf17f4b53f0b16ba7a96
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1112ec12427c1088654337e483b7740ffd6571bf884bdf17f4b53f0b16ba7a96", kill_on_drop: false }`
[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 0.66s
[INFO] running `Command { std: "docker" "inspect" "1112ec12427c1088654337e483b7740ffd6571bf884bdf17f4b53f0b16ba7a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1112ec12427c1088654337e483b7740ffd6571bf884bdf17f4b53f0b16ba7a96", kill_on_drop: false }`
[INFO] [stdout] 1112ec12427c1088654337e483b7740ffd6571bf884bdf17f4b53f0b16ba7a96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 257fa896843fd08b8d67f3e966caded2d17927cea32af4b3977b1fce8cddf474
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "257fa896843fd08b8d67f3e966caded2d17927cea32af4b3977b1fce8cddf474", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-algorithms v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "257fa896843fd08b8d67f3e966caded2d17927cea32af4b3977b1fce8cddf474", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "257fa896843fd08b8d67f3e966caded2d17927cea32af4b3977b1fce8cddf474", kill_on_drop: false }`
[INFO] [stdout] 257fa896843fd08b8d67f3e966caded2d17927cea32af4b3977b1fce8cddf474
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca3fec0eede3109d03f6d1c8d27e2d7f3c27290187d237f81745ecb5a4af6831
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ca3fec0eede3109d03f6d1c8d27e2d7f3c27290187d237f81745ecb5a4af6831", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_algorithms-7e19b1b21fddc51a
[INFO] [stdout] running 15 tests
[INFO] [stdout] test cocktail_shaker_sort::best ... ok
[INFO] [stdout] test selection_search::worst ... ok
[INFO] [stdout] test linear_search::best ... ok
[INFO] [stdout] test linear_search::in_array ... ok
[INFO] [stdout] test insertion_sort::worst ... ok
[INFO] [stdout] test linear_search::not_in_array ... ok
[INFO] [stdout] test selection_search::best ... ok
[INFO] [stdout] test insertion_sort::average ... ok
[INFO] [stdout] test linear_search::worst ... ok
[INFO] [stdout] test insertion_sort::best ... ok
[INFO] [stdout] test cocktail_shaker_sort::average ... ok
[INFO] [stdout] test bubble_sort::worst ... ok
[INFO] [stdout] test bubble_sort::best ... ok
[INFO] [stdout] test bubble_sort::average ... ok
[INFO] [stdout] test cocktail_shaker_sort::worst ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ca3fec0eede3109d03f6d1c8d27e2d7f3c27290187d237f81745ecb5a4af6831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3fec0eede3109d03f6d1c8d27e2d7f3c27290187d237f81745ecb5a4af6831", kill_on_drop: false }`
[INFO] [stdout] ca3fec0eede3109d03f6d1c8d27e2d7f3c27290187d237f81745ecb5a4af6831