[INFO] cloning repository https://github.com/kleidinc/algoinrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kleidinc/algoinrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkleidinc%2Falgoinrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkleidinc%2Falgoinrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb319b95a70662bf7e53e75c43a524b0c954d346
[INFO] checking kleidinc/algoinrust against try#c0a9760914bada211f4924ee16d41ae1a366d2ba for pr-148545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkleidinc%2Falgoinrust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kleidinc/algoinrust
[INFO] finished tweaking git repo https://github.com/kleidinc/algoinrust
[INFO] tweaked toml for git repo https://github.com/kleidinc/algoinrust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kleidinc/algoinrust on toolchain c0a9760914bada211f4924ee16d41ae1a366d2ba
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kleidinc/algoinrust 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" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b6ed0ece89c1164a6a2d568e2516287d0a6423b420c1bcee38700935260311c
[INFO] running `Command { std: "docker" "start" "-a" "8b6ed0ece89c1164a6a2d568e2516287d0a6423b420c1bcee38700935260311c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b6ed0ece89c1164a6a2d568e2516287d0a6423b420c1bcee38700935260311c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6ed0ece89c1164a6a2d568e2516287d0a6423b420c1bcee38700935260311c", kill_on_drop: false }`
[INFO] [stdout] 8b6ed0ece89c1164a6a2d568e2516287d0a6423b420c1bcee38700935260311c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c0a9760914bada211f4924ee16d41ae1a366d2ba" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9a89fa2b25a1401c058fe0a0214214b0d26da0f3d7205de13340be73e12a1bb
[INFO] running `Command { std: "docker" "start" "-a" "c9a89fa2b25a1401c058fe0a0214214b0d26da0f3d7205de13340be73e12a1bb", kill_on_drop: false }`
[INFO] [stderr]     Checking algoinrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `binary_seach` is never used
[INFO] [stdout]  --> src/binarysearch.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn binary_seach(slice: &[u128], search_item: u128) -> Option<usize> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bubblesort` is never used
[INFO] [stdout]  --> src/bubblesort.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn bubblesort<T: Ord + std::fmt::Display + std::fmt::Debug>(slice: &mut [T]) {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `countingsort` is never used
[INFO] [stdout]  --> src/countingsort.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn countingsort(slice: &mut [i128]) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `linear_search` is never used
[INFO] [stdout]   --> src/linearsearch.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn linear_search(vec: &Vec<i32>, target: i32) -> (i32, i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quicksort` is never used
[INFO] [stdout]  --> src/quicksort.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn quicksort<T: Ord>(slice: &mut [T]) {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/linearsearch_solution.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut numbers = make_random_vec(num_items, max);
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "c9a89fa2b25a1401c058fe0a0214214b0d26da0f3d7205de13340be73e12a1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9a89fa2b25a1401c058fe0a0214214b0d26da0f3d7205de13340be73e12a1bb", kill_on_drop: false }`
[INFO] [stdout] c9a89fa2b25a1401c058fe0a0214214b0d26da0f3d7205de13340be73e12a1bb