[INFO] cloning repository https://github.com/shadowCow/peg-solitaire-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shadowCow/peg-solitaire-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshadowCow%2Fpeg-solitaire-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshadowCow%2Fpeg-solitaire-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f88828ecda1b62efa24885a0438716ef0cfa2b8
[INFO] checking shadowCow/peg-solitaire-rs against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshadowCow%2Fpeg-solitaire-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shadowCow/peg-solitaire-rs
[INFO] finished tweaking git repo https://github.com/shadowCow/peg-solitaire-rs
[INFO] tweaked toml for git repo https://github.com/shadowCow/peg-solitaire-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shadowCow/peg-solitaire-rs on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shadowCow/peg-solitaire-rs 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55b0ec96c99c04ec0118c04bf1ff7c391e3456571e46a1cbd447eaccc82cdc52
[INFO] running `Command { std: "docker" "start" "-a" "55b0ec96c99c04ec0118c04bf1ff7c391e3456571e46a1cbd447eaccc82cdc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b0ec96c99c04ec0118c04bf1ff7c391e3456571e46a1cbd447eaccc82cdc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b0ec96c99c04ec0118c04bf1ff7c391e3456571e46a1cbd447eaccc82cdc52", kill_on_drop: false }`
[INFO] [stdout] 55b0ec96c99c04ec0118c04bf1ff7c391e3456571e46a1cbd447eaccc82cdc52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27b32b2cf69ce1afed1d4bd92369c24e9df70045422992aa29470d6488f8c899
[INFO] running `Command { std: "docker" "start" "-a" "27b32b2cf69ce1afed1d4bd92369c24e9df70045422992aa29470d6488f8c899", kill_on_drop: false }`
[INFO] [stderr]     Checking peg-solitaire-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]  --> src/ui/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     for r in 0..board.r() {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> src/ui/mod.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         for c in 0..board.c() {
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/ui/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for c in 0..cols {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_coords` is never used
[INFO] [stdout]   --> src/peg/board.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn to_coords(&self, index: usize) -> Coords {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_coords` is never used
[INFO] [stdout]   --> src/peg/board.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl BoardBuilder {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn to_coords(&self, index: usize) -> Coords {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]  --> src/ui/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     for r in 0..board.r() {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> src/ui/mod.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         for c in 0..board.c() {
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/ui/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for c in 0..cols {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_coords` is never used
[INFO] [stdout]   --> src/peg/board.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn to_coords(&self, index: usize) -> Coords {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_coords` is never used
[INFO] [stdout]   --> src/peg/board.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl BoardBuilder {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn to_coords(&self, index: usize) -> Coords {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "27b32b2cf69ce1afed1d4bd92369c24e9df70045422992aa29470d6488f8c899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b32b2cf69ce1afed1d4bd92369c24e9df70045422992aa29470d6488f8c899", kill_on_drop: false }`
[INFO] [stdout] 27b32b2cf69ce1afed1d4bd92369c24e9df70045422992aa29470d6488f8c899