[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 master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Frust-grokking-algorith" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/philmein23/rust-grokking-algorith on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-4/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dda62bb6e5c527393c7461eb27799f23e641d44d25f16a2fdc8b803dfcb9f028
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dda62bb6e5c527393c7461eb27799f23e641d44d25f16a2fdc8b803dfcb9f028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dda62bb6e5c527393c7461eb27799f23e641d44d25f16a2fdc8b803dfcb9f028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda62bb6e5c527393c7461eb27799f23e641d44d25f16a2fdc8b803dfcb9f028", kill_on_drop: false }`
[INFO] [stdout] dda62bb6e5c527393c7461eb27799f23e641d44d25f16a2fdc8b803dfcb9f028
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faaac0375b242cd9025d00b2661e14162e508dc10755be98a995cece318106da
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "faaac0375b242cd9025d00b2661e14162e508dc10755be98a995cece318106da", kill_on_drop: false }`
[INFO] [stderr]     Checking grokking-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `binary_search::binary_search`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use binary_search::binary_search;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `find_largest`, `find_length`, `sum`
[INFO] [stdout]   --> src/main.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | use recursion::{find_largest, find_length, sum};
[INFO] [stdout]    |                 ^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `selection_sort::selection_sort`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use selection_sort::selection_sort;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `binary_search::binary_search`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use binary_search::binary_search;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `find_largest`, `find_length`, `sum`
[INFO] [stdout]   --> src/main.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | use recursion::{find_largest, find_length, sum};
[INFO] [stdout]    |                 ^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `selection_sort::selection_sort`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use selection_sort::selection_sort;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let list = vec![1, 2, 3, 4, 5, 60, 100];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list_two`
[INFO] [stdout]   --> src/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut list_two = vec![30, 5, 10, 2, 100];
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut list_two = vec![30, 5, 10, 2, 100];
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let list = vec![1, 2, 3, 4, 5, 60, 100];
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list_two`
[INFO] [stdout]   --> src/main.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut list_two = vec![30, 5, 10, 2, 100];
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_two`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut list_two = vec![30, 5, 10, 2, 100];
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[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: 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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "faaac0375b242cd9025d00b2661e14162e508dc10755be98a995cece318106da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faaac0375b242cd9025d00b2661e14162e508dc10755be98a995cece318106da", kill_on_drop: false }`
[INFO] [stdout] faaac0375b242cd9025d00b2661e14162e508dc10755be98a995cece318106da