[INFO] updating cached repository https://github.com/dyens/sorters
[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] abe31d78dbf7e53f21a0d9165318f694f3ea5127
[INFO] testing dyens/sorters against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyens%2Fsorters" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dyens/sorters 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/dyens/sorters
[INFO] finished tweaking git repo https://github.com/dyens/sorters
[INFO] tweaked toml for git repo https://github.com/dyens/sorters written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dyens/sorters already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] bdc969118c4343948d6bbb7afaf9f0d63fe510804382262e0bce2ceb3d3a16bf
[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" "bdc969118c4343948d6bbb7afaf9f0d63fe510804382262e0bce2ceb3d3a16bf"`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling sorters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant item is never used: `N`
[INFO] [stderr]  --> src/main.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const N: usize = 1000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_vector`
[INFO] [stderr]   --> src/main.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn gen_vector(len: usize) -> Vec<u32> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rust_sort`
[INFO] [stderr]   --> src/main.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn rust_sort(v: &mut Vec<u32>) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bubble_sort`
[INFO] [stderr]   --> src/main.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn bubble_sort(v: &mut Vec<u32>) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `insert_sort`
[INFO] [stderr]   --> src/main.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn insert_sort(v: &mut Vec<u32>) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gnome_sort`
[INFO] [stderr]   --> src/main.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn gnome_sort(v: &mut Vec<u32>) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `merge_sort`
[INFO] [stderr]    --> src/main.rs:104:4
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn merge_sort(v: &mut Vec<u32>) {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]    --> src/main.rs:110:8
[INFO] [stderr]     |
[INFO] [stderr] 110 | struct Node<T> where T: Ord + Clone {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/main.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn new(new_val: T) -> Node<T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]    --> src/main.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn insert(&mut self, new_val: T) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `travel`
[INFO] [stderr]    --> src/main.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn travel(&self, to: &mut Vec<T> ) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tree_sort`
[INFO] [stderr]    --> src/main.rs:158:4
[INFO] [stderr]     |
[INFO] [stderr] 158 | fn tree_sort(v: &mut Vec<u32>) {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bench_sort`
[INFO] [stderr]    --> src/main.rs:205:4
[INFO] [stderr]     |
[INFO] [stderr] 205 | fn bench_sort<F>(f: F) where
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `"docker" "inspect" "bdc969118c4343948d6bbb7afaf9f0d63fe510804382262e0bce2ceb3d3a16bf"`
[INFO] running `"docker" "rm" "-f" "bdc969118c4343948d6bbb7afaf9f0d63fe510804382262e0bce2ceb3d3a16bf"`
[INFO] [stdout] bdc969118c4343948d6bbb7afaf9f0d63fe510804382262e0bce2ceb3d3a16bf
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b818d1784d5e32d2a9e352304064668d4e0d315de28d79632306fe0b3e976e7
[INFO] running `"docker" "start" "-a" "9b818d1784d5e32d2a9e352304064668d4e0d315de28d79632306fe0b3e976e7"`
[INFO] [stderr]    Compiling sorters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "9b818d1784d5e32d2a9e352304064668d4e0d315de28d79632306fe0b3e976e7"`
[INFO] running `"docker" "rm" "-f" "9b818d1784d5e32d2a9e352304064668d4e0d315de28d79632306fe0b3e976e7"`
[INFO] [stdout] 9b818d1784d5e32d2a9e352304064668d4e0d315de28d79632306fe0b3e976e7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c0c01cdc727d3005407ffa5736c454f5ca180d041fc24f0f682a3acec47e9392
[INFO] running `"docker" "start" "-a" "c0c01cdc727d3005407ffa5736c454f5ca180d041fc24f0f682a3acec47e9392"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sorters-0f43df2749025147
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::bench_merge_sort ... ok
[INFO] [stdout] test tests::bench_rust_sort ... ok
[INFO] [stdout] test tests::test_tree_sort ... ok
[INFO] [stdout] test tests::bench_tree_sort ... ok
[INFO] [stdout] test tests::test_merge_sort ... ok
[INFO] [stdout] test tests::bench_gnome_sort ... ok
[INFO] [stdout] test tests::test_gnome_sort ... ok
[INFO] [stdout] test tests::test_bubble_sort ... ok
[INFO] [stdout] test tests::bench_bubble_sort ... ok
[INFO] [stdout] test tests::test_insert_sort ... ok
[INFO] [stdout] test tests::bench_insertion_sort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c0c01cdc727d3005407ffa5736c454f5ca180d041fc24f0f682a3acec47e9392"`
[INFO] running `"docker" "rm" "-f" "c0c01cdc727d3005407ffa5736c454f5ca180d041fc24f0f682a3acec47e9392"`
[INFO] [stdout] c0c01cdc727d3005407ffa5736c454f5ca180d041fc24f0f682a3acec47e9392