[INFO] cloning repository https://github.com/kwannoel/algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kwannoel/algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwannoel%2Falgorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwannoel%2Falgorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb2884575239529b0da700522461e460036cc012
[INFO] testing kwannoel/algorithms against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkwannoel%2Falgorithms" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kwannoel/algorithms on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kwannoel/algorithms
[INFO] finished tweaking git repo https://github.com/kwannoel/algorithms
[INFO] tweaked toml for git repo https://github.com/kwannoel/algorithms written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/kwannoel/algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77ee1261c68286991041d58a7b525d765c70557e23b38a6a44b3bb9e7c9a769a
[INFO] running `Command { std: "docker" "start" "-a" "77ee1261c68286991041d58a7b525d765c70557e23b38a6a44b3bb9e7c9a769a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77ee1261c68286991041d58a7b525d765c70557e23b38a6a44b3bb9e7c9a769a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ee1261c68286991041d58a7b525d765c70557e23b38a6a44b3bb9e7c9a769a", kill_on_drop: false }`
[INFO] [stdout] 77ee1261c68286991041d58a7b525d765c70557e23b38a6a44b3bb9e7c9a769a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 628f0e22a2801fd38d368b83237278900379ecbe3cbf4ce0eb525b95d9c6fdbe
[INFO] running `Command { std: "docker" "start" "-a" "628f0e22a2801fd38d368b83237278900379ecbe3cbf4ce0eb525b95d9c6fdbe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mid`
[INFO] [stdout]   --> src/sort/merge_sort.rs:50:63
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn iterative_merge_sort(mut arr: &mut Vec<i32>, l: usize, mid: usize, r: usize) {
[INFO] [stdout]    |                                                               ^^^ help: if this is intentional, prefix it with an underscore: `_mid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `knuth_shuffle`
[INFO] [stdout]  --> src/shuffle.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn knuth_shuffle(arr: &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: `bubble_sort`
[INFO] [stdout]  --> src/sort/bubble_sort.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn bubble_sort(arr: &mut [i32]) {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `merge_sort`
[INFO] [stdout]   --> src/sort/merge_sort.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn merge_sort(arr: Vec<i32>) -> Vec<i32>{
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `merge`
[INFO] [stdout]   --> src/sort/merge_sort.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn merge(arr1: Vec<i32>, arr2: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `iterative_merge_sort`
[INFO] [stdout]   --> src/sort/merge_sort.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn iterative_merge_sort(mut arr: &mut Vec<i32>, l: usize, mid: usize, r: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insertion_sort`
[INFO] [stdout]  --> src/sort/insertion_sort.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn insertion_sort(arr: &mut [i32]) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `selection_sort`
[INFO] [stdout]  --> src/sort/selection_sort.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn selection_sort(arr: &mut [i32]) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `quick_sort`
[INFO] [stdout]  --> src/sort/quick_sort.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn quick_sort(arr: &mut [i32]) {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newPos` should have a snake case name
[INFO] [stdout]  --> src/shuffle.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let newPos = rng.gen_range(0, i);
[INFO] [stdout]   |             ^^^^^^ help: convert the identifier to snake case: `new_pos`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "628f0e22a2801fd38d368b83237278900379ecbe3cbf4ce0eb525b95d9c6fdbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "628f0e22a2801fd38d368b83237278900379ecbe3cbf4ce0eb525b95d9c6fdbe", kill_on_drop: false }`
[INFO] [stdout] 628f0e22a2801fd38d368b83237278900379ecbe3cbf4ce0eb525b95d9c6fdbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d50853e63a09cbc180cdafedaaac0d76ef3a347b5adde459f90e75ee2691680
[INFO] running `Command { std: "docker" "start" "-a" "3d50853e63a09cbc180cdafedaaac0d76ef3a347b5adde459f90e75ee2691680", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mid`
[INFO] [stdout]   --> src/sort/merge_sort.rs:50:63
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub fn iterative_merge_sort(mut arr: &mut Vec<i32>, l: usize, mid: usize, r: usize) {
[INFO] [stdout]    |                                                               ^^^ help: if this is intentional, prefix it with an underscore: `_mid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `iterative_merge_sort_wrap`
[INFO] [stdout]    --> src/sort/merge_sort.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn iterative_merge_sort_wrap(arr: &mut [i32]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newPos` should have a snake case name
[INFO] [stdout]  --> src/shuffle.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let newPos = rng.gen_range(0, i);
[INFO] [stdout]   |             ^^^^^^ help: convert the identifier to snake case: `new_pos`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "3d50853e63a09cbc180cdafedaaac0d76ef3a347b5adde459f90e75ee2691680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d50853e63a09cbc180cdafedaaac0d76ef3a347b5adde459f90e75ee2691680", kill_on_drop: false }`
[INFO] [stdout] 3d50853e63a09cbc180cdafedaaac0d76ef3a347b5adde459f90e75ee2691680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f2f340fc53147bc8df37f73ed1b8dae695a57dcb94d6fc2379ba3c10590e591d
[INFO] running `Command { std: "docker" "start" "-a" "f2f340fc53147bc8df37f73ed1b8dae695a57dcb94d6fc2379ba3c10590e591d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `mid`
[INFO] [stdout] running 27 tests
[INFO] [stderr]   --> src/sort/merge_sort.rs:50:63
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn iterative_merge_sort(mut arr: &mut Vec<i32>, l: usize, mid: usize, r: usize) {
[INFO] [stderr]    |                                                               ^^^ help: if this is intentional, prefix it with an underscore: `_mid`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `iterative_merge_sort_wrap`
[INFO] [stderr]    --> src/sort/merge_sort.rs:100:8
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn iterative_merge_sort_wrap(arr: &mut [i32]) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `newPos` should have a snake case name
[INFO] [stderr]  --> src/shuffle.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let newPos = rng.gen_range(0, i);
[INFO] [stderr]   |             ^^^^^^ help: convert the identifier to snake case: `new_pos`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `algorithms` (bin "algorithms" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/algorithms-ed803ac4c27a8bb4)
[INFO] [stdout] test sort::bubble_sort::test::test1 ... ok
[INFO] [stdout] test sort::bubble_sort::test::test3 ... ok
[INFO] [stdout] test shuffle::test::test_knuth_shuffle ... ok
[INFO] [stdout] test sort::bubble_sort::test::test2 ... ok
[INFO] [stdout] test sort::bubble_sort::test::test4 ... ok
[INFO] [stdout] test sort::bubble_sort::test::test5 ... ok
[INFO] [stdout] test sort::insertion_sort::test::test2 ... ok
[INFO] [stdout] test sort::insertion_sort::test::test3 ... ok
[INFO] [stdout] test sort::insertion_sort::test::test1 ... ok
[INFO] [stdout] test sort::insertion_sort::test::test4 ... ok
[INFO] [stdout] test sort::insertion_sort::test::test5 ... ok
[INFO] [stdout] test sort::merge_sort::test::test1 ... ok
[INFO] [stdout] test sort::merge_sort::test::test2 ... ok
[INFO] [stdout] test sort::merge_sort::test::test3 ... ok
[INFO] [stdout] test sort::merge_sort::test::test4 ... ok
[INFO] [stdout] test sort::merge_sort::test::test5 ... ok
[INFO] [stdout] test sort::merge_sort::test::test6 ... ok
[INFO] [stdout] test sort::quick_sort::test::test1 ... ok
[INFO] [stdout] test sort::quick_sort::test::test2 ... ok
[INFO] [stdout] test sort::quick_sort::test::test4 ... ok
[INFO] [stdout] test sort::quick_sort::test::test3 ... ok
[INFO] [stdout] test sort::quick_sort::test::test5 ... ok
[INFO] [stdout] test sort::selection_sort::test::test1 ... ok
[INFO] [stdout] test sort::selection_sort::test::test2 ... ok
[INFO] [stdout] test sort::selection_sort::test::test3 ... ok
[INFO] [stdout] test sort::selection_sort::test::test4 ... ok
[INFO] [stdout] test sort::selection_sort::test::test5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2f340fc53147bc8df37f73ed1b8dae695a57dcb94d6fc2379ba3c10590e591d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f340fc53147bc8df37f73ed1b8dae695a57dcb94d6fc2379ba3c10590e591d", kill_on_drop: false }`
[INFO] [stdout] f2f340fc53147bc8df37f73ed1b8dae695a57dcb94d6fc2379ba3c10590e591d