[INFO] cloning repository https://github.com/norrbom/rust_exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/norrbom/rust_exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorrbom%2Frust_exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorrbom%2Frust_exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a0b1b1fefbebad3198c24d6c8b5b94b549422c1
[INFO] checking norrbom/rust_exercises against master#a26e97be8826d408309fffbd8168362365719f50 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnorrbom%2Frust_exercises" "/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/norrbom/rust_exercises on toolchain a26e97be8826d408309fffbd8168362365719f50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/norrbom/rust_exercises
[INFO] finished tweaking git repo https://github.com/norrbom/rust_exercises
[INFO] tweaked toml for git repo https://github.com/norrbom/rust_exercises written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/norrbom/rust_exercises 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" "+a26e97be8826d408309fffbd8168362365719f50" "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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 051ffa58a890ce2c08f6413c8dcab0d2bb3e29488e48f53ea4f51b38c079d436
[INFO] running `Command { std: "docker" "start" "-a" "051ffa58a890ce2c08f6413c8dcab0d2bb3e29488e48f53ea4f51b38c079d436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "051ffa58a890ce2c08f6413c8dcab0d2bb3e29488e48f53ea4f51b38c079d436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051ffa58a890ce2c08f6413c8dcab0d2bb3e29488e48f53ea4f51b38c079d436", kill_on_drop: false }`
[INFO] [stdout] 051ffa58a890ce2c08f6413c8dcab0d2bb3e29488e48f53ea4f51b38c079d436
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+a26e97be8826d408309fffbd8168362365719f50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f398a525d61077c2e82b8ceaa5637f243eeae86a13fbea8361c126c69766dfc
[INFO] running `Command { std: "docker" "start" "-a" "7f398a525d61077c2e82b8ceaa5637f243eeae86a13fbea8361c126c69766dfc", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_exercises v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]  --> src/problems/two_sum.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn solution(numbers: &[i32], target: i32) -> Option<(usize, usize)> {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum` is never used
[INFO] [stdout]   --> src/problems/two_sum.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UNIDENTIFIED_MALE` is never used
[INFO] [stdout]  --> src/traits/player.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const UNIDENTIFIED_MALE: Player = Player {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `is_dead` are never used
[INFO] [stdout]   --> src/traits/player.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Player {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 15 |     pub fn new(name: &'static str) -> Player {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn is_dead(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "7f398a525d61077c2e82b8ceaa5637f243eeae86a13fbea8361c126c69766dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f398a525d61077c2e82b8ceaa5637f243eeae86a13fbea8361c126c69766dfc", kill_on_drop: false }`
[INFO] [stdout] 7f398a525d61077c2e82b8ceaa5637f243eeae86a13fbea8361c126c69766dfc
