[INFO] updating cached repository https://github.com/Saul-Mirone/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] e21ea71155c139e15f825592c19f9336d44d78fb
[INFO] testing Saul-Mirone/algorithms against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaul-Mirone%2Falgorithms" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Saul-Mirone/algorithms on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Saul-Mirone/algorithms
[INFO] finished tweaking git repo https://github.com/Saul-Mirone/algorithms
[INFO] tweaked toml for git repo https://github.com/Saul-Mirone/algorithms written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Saul-Mirone/algorithms already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 8e2a13f94216c8ef28ebfcf4e0391dc8d52bec48ff3824273bcbb5ad5afaec06
[INFO] running `"docker" "start" "-a" "8e2a13f94216c8ef28ebfcf4e0391dc8d52bec48ff3824273bcbb5ad5afaec06"`
[INFO] [stderr]    Compiling algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `bubble`
[INFO] [stderr]  --> src/sort/bubble.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn bubble(arr: &mut [i32]) {
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `selection`
[INFO] [stderr]  --> src/sort/selection.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn selection(arr: &mut [i32]) {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `insertion`
[INFO] [stderr]  --> src/sort/insertion.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn insertion(arr: &mut [i32]) {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `merge_into`
[INFO] [stderr]  --> src/sort/merge.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn merge_into(left: &[i32], right: &[i32], ret: &mut [i32]) {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `merge`
[INFO] [stderr]   --> src/sort/merge.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn merge(arr: &mut [i32]) {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quick`
[INFO] [stderr]  --> src/sort/quick.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn quick(arr: &mut [i32]) {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `inner_quick`
[INFO] [stderr]  --> src/sort/quick.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn inner_quick(arr: &mut [i32], left: usize, right: usize) {
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `partition`
[INFO] [stderr]   --> src/sort/quick.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn partition(arr: &mut [i32], left: usize, right: usize) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_left_child`
[INFO] [stderr]  --> src/sort/heap.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn get_left_child(i: usize) -> usize {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_right_child`
[INFO] [stderr]  --> src/sort/heap.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn get_right_child(i: usize) -> usize {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_max_heap`
[INFO] [stderr]  --> src/sort/heap.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn build_max_heap(arr: &mut [i32], heap_size: usize) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `max_heapify`
[INFO] [stderr]   --> src/sort/heap.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn max_heapify(arr: &mut [i32], root: usize, heap_size: usize) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `heap`
[INFO] [stderr]   --> src/sort/heap.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn heap(arr: &mut [i32]) {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "8e2a13f94216c8ef28ebfcf4e0391dc8d52bec48ff3824273bcbb5ad5afaec06"`
[INFO] running `"docker" "rm" "-f" "8e2a13f94216c8ef28ebfcf4e0391dc8d52bec48ff3824273bcbb5ad5afaec06"`
[INFO] [stdout] 8e2a13f94216c8ef28ebfcf4e0391dc8d52bec48ff3824273bcbb5ad5afaec06
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stdout] 086e881b7baf42ff9783e66db79f7a270cc7d1fb5368c8ad7f352ffcbe814344
[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" "086e881b7baf42ff9783e66db79f7a270cc7d1fb5368c8ad7f352ffcbe814344"`
[INFO] [stderr]    Compiling algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "086e881b7baf42ff9783e66db79f7a270cc7d1fb5368c8ad7f352ffcbe814344"`
[INFO] running `"docker" "rm" "-f" "086e881b7baf42ff9783e66db79f7a270cc7d1fb5368c8ad7f352ffcbe814344"`
[INFO] [stdout] 086e881b7baf42ff9783e66db79f7a270cc7d1fb5368c8ad7f352ffcbe814344
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] ad56bcf0d5820f2fa9077aed4bb1d08f8904cf314fe0db562cbd410a6f721ca8
[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" "ad56bcf0d5820f2fa9077aed4bb1d08f8904cf314fe0db562cbd410a6f721ca8"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/algorithms-8921e9c6a0dc8f89
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test sort::quick::tests::should_quick_sort_works ... ok
[INFO] [stdout] test sort::selection::tests::should_selection_sort_works ... ok
[INFO] [stdout] test sort::insertion::tests::should_insertion_sort_works ... ok
[INFO] [stdout] test sort::heap::tests::should_heap_sort_works ... ok
[INFO] [stdout] test sort::merge::tests::should_merge_sort_works ... ok
[INFO] [stdout] test sort::bubble::tests::should_bubble_sort_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ad56bcf0d5820f2fa9077aed4bb1d08f8904cf314fe0db562cbd410a6f721ca8"`
[INFO] running `"docker" "rm" "-f" "ad56bcf0d5820f2fa9077aed4bb1d08f8904cf314fe0db562cbd410a6f721ca8"`
[INFO] [stdout] ad56bcf0d5820f2fa9077aed4bb1d08f8904cf314fe0db562cbd410a6f721ca8