[INFO] updating cached repository https://github.com/SuperPrimeMover/super-prime-mover
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17bea87bc79f37bff77aeba92629624a5293df77
[INFO] checking SuperPrimeMover/super-prime-mover against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperPrimeMover%2Fsuper-prime-mover" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SuperPrimeMover/super-prime-mover on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SuperPrimeMover/super-prime-mover
[INFO] finished tweaking git repo https://github.com/SuperPrimeMover/super-prime-mover
[INFO] tweaked toml for git repo https://github.com/SuperPrimeMover/super-prime-mover written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/SuperPrimeMover/super-prime-mover already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfad6c0c8721196f93b9ac2e3fd7d41fd89f76ab5715a905ff80ac1cd633cca9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dfad6c0c8721196f93b9ac2e3fd7d41fd89f76ab5715a905ff80ac1cd633cca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfad6c0c8721196f93b9ac2e3fd7d41fd89f76ab5715a905ff80ac1cd633cca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfad6c0c8721196f93b9ac2e3fd7d41fd89f76ab5715a905ff80ac1cd633cca9", kill_on_drop: false }`
[INFO] [stdout] dfad6c0c8721196f93b9ac2e3fd7d41fd89f76ab5715a905ff80ac1cd633cca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 404255614e0706a442c17fa2c3681cf0694f7e00afa61971383c5aa6c84e34e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "404255614e0706a442c17fa2c3681cf0694f7e00afa61971383c5aa6c84e34e8", kill_on_drop: false }`
[INFO] [stderr]     Checking super-prime-mover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `conns`
[INFO] [stdout]    --> src/lib.rs:238:17
[INFO] [stdout]     |
[INFO] [stdout] 238 |             let conns = self.get_connections(x, y);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_conns`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conns`
[INFO] [stdout]    --> src/lib.rs:238:17
[INFO] [stdout]     |
[INFO] [stdout] 238 |             let conns = self.get_connections(x, y);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_conns`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_orientation`
[INFO] [stdout]    --> src/lib.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |             let new_orientation: Option<Orientation> = match tile {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_orientation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_orientation`
[INFO] [stdout]    --> src/lib.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |             let new_orientation: Option<Orientation> = match tile {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_orientation`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `direction`
[INFO] [stdout]    --> src/lib.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     direction: Orientation,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `board`
[INFO] [stdout]    --> src/lib.rs:294:5
[INFO] [stdout]     |
[INFO] [stdout] 294 |     board: Board,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `signals`
[INFO] [stdout]    --> src/lib.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 295 |     signals: Vec<Signal>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `direction`
[INFO] [stdout]    --> src/lib.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 290 |     direction: Orientation,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `board`
[INFO] [stdout]    --> src/lib.rs:294:5
[INFO] [stdout]     |
[INFO] [stdout] 294 |     board: Board,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `signals`
[INFO] [stdout]    --> src/lib.rs:295:5
[INFO] [stdout]     |
[INFO] [stdout] 295 |     signals: Vec<Signal>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let game = Game::with(board);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/main.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn print_board(board: &Board) {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_board`
[INFO] [stdout]   --> src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn print_board(board: &Board) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let game = Game::with(board);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]   --> src/main.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn print_board(board: &Board) {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_board`
[INFO] [stdout]   --> src/main.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn print_board(board: &Board) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "404255614e0706a442c17fa2c3681cf0694f7e00afa61971383c5aa6c84e34e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404255614e0706a442c17fa2c3681cf0694f7e00afa61971383c5aa6c84e34e8", kill_on_drop: false }`
[INFO] [stdout] 404255614e0706a442c17fa2c3681cf0694f7e00afa61971383c5aa6c84e34e8