[INFO] cloning repository https://github.com/philmein23/rust-grokking-algorith
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/philmein23/rust-grokking-algorith" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Frust-grokking-algorith", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Frust-grokking-algorith'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 530456dc496bdefe58bd1260102ea356a60cae92
[INFO] checking philmein23/rust-grokking-algorith against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Frust-grokking-algorith" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/philmein23/rust-grokking-algorith on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/philmein23/rust-grokking-algorith
[INFO] finished tweaking git repo https://github.com/philmein23/rust-grokking-algorith
[INFO] tweaked toml for git repo https://github.com/philmein23/rust-grokking-algorith written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/philmein23/rust-grokking-algorith already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37cec8d44c046505bf19c2b5f5e89fcf27dcf3403f7245691614952ff8cb4f9d
[INFO] running `Command { std: "docker" "start" "-a" "37cec8d44c046505bf19c2b5f5e89fcf27dcf3403f7245691614952ff8cb4f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37cec8d44c046505bf19c2b5f5e89fcf27dcf3403f7245691614952ff8cb4f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37cec8d44c046505bf19c2b5f5e89fcf27dcf3403f7245691614952ff8cb4f9d", kill_on_drop: false }`
[INFO] [stdout] 37cec8d44c046505bf19c2b5f5e89fcf27dcf3403f7245691614952ff8cb4f9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 023230bee5e8652453ed72540fab66a13d88b566eedc2247a93de31561914ed6
[INFO] running `Command { std: "docker" "start" "-a" "023230bee5e8652453ed72540fab66a13d88b566eedc2247a93de31561914ed6", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking grokking-algorithms v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (6 fixes)
[INFO] [stdout] warning: function is never used: `binary_search`
[INFO] [stdout]  --> src/binary_search/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn binary_search(list: &Vec<u32>, low: usize, high: usize, item: u32) -> Option<usize> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_lowest_node_cost`
[INFO] [stdout]   --> src/djikstras_algorithm/mod.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn find_lowest_node_cost<'a>(costs: HashMap<&'a str, u32>, processed: Vec<&str>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum`
[INFO] [stdout]  --> src/recursion/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sum(list: &mut Vec<u32>) -> u32 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_length`
[INFO] [stdout]   --> src/recursion/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn find_length(list: &mut Vec<u32>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_largest`
[INFO] [stdout]   --> src/recursion/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn find_largest(list: &Vec<u32>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_smallest_value`
[INFO] [stdout]  --> src/selection_sort/mod.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn find_smallest_value(list: &Vec<u32>) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `selection_sort`
[INFO] [stdout]   --> src/selection_sort/mod.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn selection_sort(list: &mut Vec<u32>) -> Vec<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_search`
[INFO] [stdout]  --> src/binary_search/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn binary_search(list: &Vec<u32>, low: usize, high: usize, item: u32) -> Option<usize> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_lowest_node_cost`
[INFO] [stdout]   --> src/djikstras_algorithm/mod.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn find_lowest_node_cost<'a>(costs: HashMap<&'a str, u32>, processed: Vec<&str>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum`
[INFO] [stdout]  --> src/recursion/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sum(list: &mut Vec<u32>) -> u32 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_length`
[INFO] [stdout]   --> src/recursion/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn find_length(list: &mut Vec<u32>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_largest`
[INFO] [stdout]   --> src/recursion/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn find_largest(list: &Vec<u32>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_smallest_value`
[INFO] [stdout]  --> src/selection_sort/mod.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn find_smallest_value(list: &Vec<u32>) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `selection_sort`
[INFO] [stdout]   --> src/selection_sort/mod.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn selection_sort(list: &mut Vec<u32>) -> Vec<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking grokking-algorithms v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `binary_search`
[INFO] [stdout]  --> src/binary_search/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn binary_search(list: &Vec<u32>, low: usize, high: usize, item: u32) -> Option<usize> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_lowest_node_cost`
[INFO] [stdout]   --> src/djikstras_algorithm/mod.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn find_lowest_node_cost<'a>(costs: HashMap<&'a str, u32>, processed: Vec<&str>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum`
[INFO] [stdout]  --> src/recursion/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sum(list: &mut Vec<u32>) -> u32 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_length`
[INFO] [stdout]   --> src/recursion/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn find_length(list: &mut Vec<u32>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_largest`
[INFO] [stdout]   --> src/recursion/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn find_largest(list: &Vec<u32>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_smallest_value`
[INFO] [stdout]  --> src/selection_sort/mod.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn find_smallest_value(list: &Vec<u32>) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `selection_sort`
[INFO] [stdout]   --> src/selection_sort/mod.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn selection_sort(list: &mut Vec<u32>) -> Vec<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_search`
[INFO] [stdout]  --> src/binary_search/mod.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn binary_search(list: &Vec<u32>, low: usize, high: usize, item: u32) -> Option<usize> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_lowest_node_cost`
[INFO] [stdout]   --> src/djikstras_algorithm/mod.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn find_lowest_node_cost<'a>(costs: HashMap<&'a str, u32>, processed: Vec<&str>) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum`
[INFO] [stdout]  --> src/recursion/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn sum(list: &mut Vec<u32>) -> u32 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_length`
[INFO] [stdout]   --> src/recursion/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn find_length(list: &mut Vec<u32>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_largest`
[INFO] [stdout]   --> src/recursion/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn find_largest(list: &Vec<u32>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_smallest_value`
[INFO] [stdout]  --> src/selection_sort/mod.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn find_smallest_value(list: &Vec<u32>) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `selection_sort`
[INFO] [stdout]   --> src/selection_sort/mod.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn selection_sort(list: &mut Vec<u32>) -> Vec<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "023230bee5e8652453ed72540fab66a13d88b566eedc2247a93de31561914ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023230bee5e8652453ed72540fab66a13d88b566eedc2247a93de31561914ed6", kill_on_drop: false }`
[INFO] [stdout] 023230bee5e8652453ed72540fab66a13d88b566eedc2247a93de31561914ed6