[INFO] cloning repository https://github.com/sudipme/algorithms-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sudipme/algorithms-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudipme%2Falgorithms-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudipme%2Falgorithms-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1e105f7a74a2798f7ea6f8ae538f6b3228a912f
[INFO] checking sudipme/algorithms-rust against master#18a029cfe8e761533634bda8fe8a14e30280a21b for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudipme%2Falgorithms-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sudipme/algorithms-rust on toolchain 18a029cfe8e761533634bda8fe8a14e30280a21b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sudipme/algorithms-rust
[INFO] finished tweaking git repo https://github.com/sudipme/algorithms-rust
[INFO] tweaked toml for git repo https://github.com/sudipme/algorithms-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sudipme/algorithms-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 317ab74585580ff7fff16cb53566dc7f2592a45604787ec51dc12ca69651dd9c
[INFO] running `Command { std: "docker" "start" "-a" "317ab74585580ff7fff16cb53566dc7f2592a45604787ec51dc12ca69651dd9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "317ab74585580ff7fff16cb53566dc7f2592a45604787ec51dc12ca69651dd9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317ab74585580ff7fff16cb53566dc7f2592a45604787ec51dc12ca69651dd9c", kill_on_drop: false }`
[INFO] [stdout] 317ab74585580ff7fff16cb53566dc7f2592a45604787ec51dc12ca69651dd9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4a64913cc4f2e953852ccd0e03099dddd8e8fc2686a625d7dde0d5b83c54b36
[INFO] running `Command { std: "docker" "start" "-a" "d4a64913cc4f2e953852ccd0e03099dddd8e8fc2686a625d7dde0d5b83c54b36", kill_on_drop: false }`
[INFO] [stderr]     Checking algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]  --> src/searching/binary_search.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn search(slice: &[i32], target: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `jump_search` is never used
[INFO] [stdout]   --> src/searching/binary_search.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn jump_search(slice: &[i32], target: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `smallest_function_solution` is never used
[INFO] [stdout]   --> src/searching/binary_search.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn smallest_function_solution(function: fn(i32) -> bool, initial_jump: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_maximum_value` is never used
[INFO] [stdout]   --> src/searching/binary_search.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub fn find_maximum_value(function: fn(i32) -> i32, starting_point: i32, initial_jump: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort` is never used
[INFO] [stdout]  --> src/sorting/merge_sort.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn sort(arr: &[i32], f:usize, l:usize) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/sorting/merge_sort.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn merge(larr: &Vec<i32>, rarr:&Vec<i32>) -> Vec<i32>{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort` is never used
[INFO] [stdout]  --> src/sorting/bubble_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sort(arr:&mut [i32]){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recursive_method` is never used
[INFO] [stdout]  --> src/complete_search/generating_subsets.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn recursive_method(slice: &[i32], subset: &mut Vec<i32>, subset_vector: &mut Vec<Vec<i32>>, index: usize) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]  --> src/searching/binary_search.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn search(slice: &[i32], target: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `jump_search` is never used
[INFO] [stdout]   --> src/searching/binary_search.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn jump_search(slice: &[i32], target: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `smallest_function_solution` is never used
[INFO] [stdout]   --> src/searching/binary_search.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn smallest_function_solution(function: fn(i32) -> bool, initial_jump: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_maximum_value` is never used
[INFO] [stdout]   --> src/searching/binary_search.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub fn find_maximum_value(function: fn(i32) -> i32, starting_point: i32, initial_jump: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort` is never used
[INFO] [stdout]  --> src/sorting/merge_sort.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn sort(arr: &[i32], f:usize, l:usize) -> Vec<i32> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/sorting/merge_sort.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn merge(larr: &Vec<i32>, rarr:&Vec<i32>) -> Vec<i32>{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort` is never used
[INFO] [stdout]  --> src/sorting/bubble_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sort(arr:&mut [i32]){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recursive_method` is never used
[INFO] [stdout]  --> src/complete_search/generating_subsets.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn recursive_method(slice: &[i32], subset: &mut Vec<i32>, subset_vector: &mut Vec<Vec<i32>>, index: usize) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "d4a64913cc4f2e953852ccd0e03099dddd8e8fc2686a625d7dde0d5b83c54b36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a64913cc4f2e953852ccd0e03099dddd8e8fc2686a625d7dde0d5b83c54b36", kill_on_drop: false }`
[INFO] [stdout] d4a64913cc4f2e953852ccd0e03099dddd8e8fc2686a625d7dde0d5b83c54b36