[INFO] cloning repository https://github.com/Katsumi-N/rco-contest-2018-qual
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Katsumi-N/rco-contest-2018-qual" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKatsumi-N%2Frco-contest-2018-qual", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f40b308bb2c64ae8a1eeaf40ecbda2a080c5291
[INFO] checking Katsumi-N/rco-contest-2018-qual against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKatsumi-N%2Frco-contest-2018-qual" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Katsumi-N/rco-contest-2018-qual
[INFO] finished tweaking git repo https://github.com/Katsumi-N/rco-contest-2018-qual
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[INFO] validating manifest of git repo https://github.com/Katsumi-N/rco-contest-2018-qual on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Katsumi-N/rco-contest-2018-qual 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/bin/a.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/bin/a.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> src/bin/a.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         w: usize,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `W` (notice the capitalization)
[INFO] [stdout]     |
[INFO] [stdout] 199 -         w: usize,
[INFO] [stdout] 199 +         W: usize,
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 199 |         _w: usize,
[INFO] [stdout]     |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/bin/a.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         t: usize,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `T`
[INFO] [stdout]     |
[INFO] [stdout] 200 -         t: usize,
[INFO] [stdout] 200 +         T: usize,
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 200 |         _t: usize,
[INFO] [stdout]     |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/bin/a.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Board {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 29 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> src/bin/a.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         w: usize,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `W` (notice the capitalization)
[INFO] [stdout]     |
[INFO] [stdout] 199 -         w: usize,
[INFO] [stdout] 199 +         W: usize,
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 199 |         _w: usize,
[INFO] [stdout]     |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/bin/a.rs:200:9
[INFO] [stdout]     |
[INFO] [stdout] 200 |         t: usize,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `T`
[INFO] [stdout]     |
[INFO] [stdout] 200 -         t: usize,
[INFO] [stdout] 200 +         T: usize,
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 200 |         _t: usize,
[INFO] [stdout]     |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/bin/a.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Board {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 29 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Board` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.97s
[INFO] running `Command { std: "docker" "inspect" "8947241974b628d95e0358c3dc2dd78a01853b93998753a27fde2fd74ba8b451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8947241974b628d95e0358c3dc2dd78a01853b93998753a27fde2fd74ba8b451", kill_on_drop: false }`
[INFO] [stdout] 8947241974b628d95e0358c3dc2dd78a01853b93998753a27fde2fd74ba8b451
