[INFO] cloning repository https://github.com/RunEagler/algorithm-templates
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RunEagler/algorithm-templates" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRunEagler%2Falgorithm-templates", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRunEagler%2Falgorithm-templates'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cc2aa31ec5fa1966615a983dace9b967fe37fff
[INFO] checking RunEagler/algorithm-templates against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRunEagler%2Falgorithm-templates" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RunEagler/algorithm-templates
[INFO] finished tweaking git repo https://github.com/RunEagler/algorithm-templates
[INFO] tweaked toml for git repo https://github.com/RunEagler/algorithm-templates written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RunEagler/algorithm-templates on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RunEagler/algorithm-templates 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ee332568c0c9afb83723839357151d7fc2dc35ac76e4fbd76d75b3c716b76da
[INFO] running `Command { std: "docker" "start" "-a" "7ee332568c0c9afb83723839357151d7fc2dc35ac76e4fbd76d75b3c716b76da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ee332568c0c9afb83723839357151d7fc2dc35ac76e4fbd76d75b3c716b76da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee332568c0c9afb83723839357151d7fc2dc35ac76e4fbd76d75b3c716b76da", kill_on_drop: false }`
[INFO] [stdout] 7ee332568c0c9afb83723839357151d7fc2dc35ac76e4fbd76d75b3c716b76da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45579073327ce2023116a19485c31134785a40e6bdf13fbbbac3f96532629af1
[INFO] running `Command { std: "docker" "start" "-a" "45579073327ce2023116a19485c31134785a40e6bdf13fbbbac3f96532629af1", kill_on_drop: false }`
[INFO] [stderr]     Checking algorithm-templates v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `is_close`
[INFO] [stdout]   --> src/graph/bellman_ford.rs:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let (is_close, actual) = bellman_ford(0, 3, &input);
[INFO] [stdout]    |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_close`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_combi` is never used
[INFO] [stdout]   --> src/math/math_mod.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn mod_combi(n: u64, k: u64, m: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Combination` is never constructed
[INFO] [stdout]  --> src/math/combination.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Combination {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fact`, `finv`, and `p` are never read
[INFO] [stdout]  --> src/math/combination.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Combination {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 2 |     fact: Vec<u64>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     finv: Vec<u64>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     p: u64,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `n_c_k` are never used
[INFO] [stdout]   --> src/math/combination.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Combination {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout]  8 |     fn new(n: usize, p: u64) -> Combination {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn n_c_k(&self, n: usize, k: usize) -> u64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lcm` is never used
[INFO] [stdout]  --> src/math/lcm.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn lcm(a:usize,b:usize)-> usize{
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algorithm-templates` (lib) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "45579073327ce2023116a19485c31134785a40e6bdf13fbbbac3f96532629af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45579073327ce2023116a19485c31134785a40e6bdf13fbbbac3f96532629af1", kill_on_drop: false }`
[INFO] [stdout] 45579073327ce2023116a19485c31134785a40e6bdf13fbbbac3f96532629af1
