[INFO] updating cached repository https://github.com/ekarbe/rust-algorithms
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28bc0fad5114c363e9c58487dc43f2fe14b3fe30
[INFO] testing ekarbe/rust-algorithms against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekarbe%2Frust-algorithms" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ekarbe/rust-algorithms on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ekarbe/rust-algorithms already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/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[INFO] the lockfile is outdated, regenerating it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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 951fa91aadc8499caf4ee6db6ae7655c1193d7f090b08d9c293f12995282ed05
[INFO] running `"docker" "start" "-a" "951fa91aadc8499caf4ee6db6ae7655c1193d7f090b08d9c293f12995282ed05"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-algorithms v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `sort`
[INFO] [stderr]  --> src/bubble_sort.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn sort(arr: &mut [i32]) -> &mut [i32] {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sort`
[INFO] [stderr]  --> src/cocktail_shaker_sort.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn sort(arr: &mut [i32]) -> &mut [i32] {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sort`
[INFO] [stderr]  --> src/insertion_sort.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn sort(arr: &mut [i32]) -> &mut [i32] {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `index_of`
[INFO] [stderr]  --> src/linear_search.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn index_of(arr: &[i32], tar: i32) -> i32 {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `max`
[INFO] [stderr]  --> src/selection_search.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn max(arr: &[i32]) -> i32 {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `min`
[INFO] [stderr]   --> src/selection_search.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn min(arr: &[i32]) -> i32 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "951fa91aadc8499caf4ee6db6ae7655c1193d7f090b08d9c293f12995282ed05"`
[INFO] running `"docker" "rm" "-f" "951fa91aadc8499caf4ee6db6ae7655c1193d7f090b08d9c293f12995282ed05"`
[INFO] [stdout] 951fa91aadc8499caf4ee6db6ae7655c1193d7f090b08d9c293f12995282ed05
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c6afbaff99965d225519b4b441c44df03774699445a7011ee3221cb6b77b237a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c6afbaff99965d225519b4b441c44df03774699445a7011ee3221cb6b77b237a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-algorithms v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "c6afbaff99965d225519b4b441c44df03774699445a7011ee3221cb6b77b237a"`
[INFO] running `"docker" "rm" "-f" "c6afbaff99965d225519b4b441c44df03774699445a7011ee3221cb6b77b237a"`
[INFO] [stdout] c6afbaff99965d225519b4b441c44df03774699445a7011ee3221cb6b77b237a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4cf1f72bfa19d69f5e1d910d9ac499f996a6b2219e6a8a0897560be90b737e07
[INFO] running `"docker" "start" "-a" "4cf1f72bfa19d69f5e1d910d9ac499f996a6b2219e6a8a0897560be90b737e07"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_algorithms-dedcf930217324ab
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test bubble_sort::average ... 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 selection_search::worst ... ok
[INFO] [stdout] test linear_search::worst ... ok
[INFO] [stdout] test insertion_sort::average ... ok
[INFO] [stdout] test insertion_sort::worst ... ok
[INFO] [stdout] test insertion_sort::best ... ok
[INFO] [stdout] test bubble_sort::best ... ok
[INFO] [stdout] test cocktail_shaker_sort::average ... ok
[INFO] [stdout] test cocktail_shaker_sort::best ... ok
[INFO] [stdout] test cocktail_shaker_sort::worst ... ok
[INFO] [stdout] test selection_search::best ... ok
[INFO] [stdout] test bubble_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 `"docker" "inspect" "4cf1f72bfa19d69f5e1d910d9ac499f996a6b2219e6a8a0897560be90b737e07"`
[INFO] running `"docker" "rm" "-f" "4cf1f72bfa19d69f5e1d910d9ac499f996a6b2219e6a8a0897560be90b737e07"`
[INFO] [stdout] 4cf1f72bfa19d69f5e1d910d9ac499f996a6b2219e6a8a0897560be90b737e07