[INFO] cloning repository https://github.com/vinsburg/sorting-game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vinsburg/sorting-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinsburg%2Fsorting-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinsburg%2Fsorting-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c11e4a3f992cc0f5428939d8cbbbb1ff90a774c7
[INFO] checking vinsburg/sorting-game against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinsburg%2Fsorting-game" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vinsburg/sorting-game on toolchain 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vinsburg/sorting-game
[INFO] finished tweaking git repo https://github.com/vinsburg/sorting-game
[INFO] tweaked toml for git repo https://github.com/vinsburg/sorting-game written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vinsburg/sorting-game 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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c81bea71f55759062b812f190f997be92bb493024fe60460f3b2c427a7573633
[INFO] running `Command { std: "docker" "start" "-a" "c81bea71f55759062b812f190f997be92bb493024fe60460f3b2c427a7573633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c81bea71f55759062b812f190f997be92bb493024fe60460f3b2c427a7573633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c81bea71f55759062b812f190f997be92bb493024fe60460f3b2c427a7573633", kill_on_drop: false }`
[INFO] [stdout] c81bea71f55759062b812f190f997be92bb493024fe60460f3b2c427a7573633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f25a68cd440da86e76536e4d83bf5c21c7818c65aa2298fcd3136fc7a299559
[INFO] running `Command { std: "docker" "start" "-a" "9f25a68cd440da86e76536e4d83bf5c21c7818c65aa2298fcd3136fc7a299559", kill_on_drop: false }`
[INFO] [stderr]     Checking sorting-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `is_vacant`, `clone_top_unit`, and `pop_residents` are never used
[INFO] [stdout]    --> src/game/stack/mod.rs:61:12
[INFO] [stdout]     |
[INFO] [stdout] 15  | impl Stack {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61  |     pub fn is_vacant(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69  |     pub fn clone_top_unit(&self) -> Kind {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn pop_residents(&mut self) -> Kind {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/game/stack/kind.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Kind {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_vacant`, `clone_top_unit`, and `pop_residents` are never used
[INFO] [stdout]    --> src/game/stack/mod.rs:61:12
[INFO] [stdout]     |
[INFO] [stdout] 15  | impl Stack {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 61  |     pub fn is_vacant(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69  |     pub fn clone_top_unit(&self) -> Kind {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |     pub fn pop_residents(&mut self) -> Kind {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/game/stack/kind.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Kind {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "9f25a68cd440da86e76536e4d83bf5c21c7818c65aa2298fcd3136fc7a299559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f25a68cd440da86e76536e4d83bf5c21c7818c65aa2298fcd3136fc7a299559", kill_on_drop: false }`
[INFO] [stdout] 9f25a68cd440da86e76536e4d83bf5c21c7818c65aa2298fcd3136fc7a299559