[INFO] cloning repository https://github.com/kb10uy/neocuviz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kb10uy/neocuviz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkb10uy%2Fneocuviz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkb10uy%2Fneocuviz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a7e82d6909dfd770fd004968f248a000bfbf4ba
[INFO] checking kb10uy/neocuviz against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkb10uy%2Fneocuviz" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kb10uy/neocuviz on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kb10uy/neocuviz
[INFO] finished tweaking git repo https://github.com/kb10uy/neocuviz
[INFO] tweaked toml for git repo https://github.com/kb10uy/neocuviz written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kb10uy/neocuviz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3942b0a1abf89944d75e5b48022b24b26400ba01597361f235ac6ea44d4307d6
[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" "3942b0a1abf89944d75e5b48022b24b26400ba01597361f235ac6ea44d4307d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3942b0a1abf89944d75e5b48022b24b26400ba01597361f235ac6ea44d4307d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3942b0a1abf89944d75e5b48022b24b26400ba01597361f235ac6ea44d4307d6", kill_on_drop: false }`
[INFO] [stdout] 3942b0a1abf89944d75e5b48022b24b26400ba01597361f235ac6ea44d4307d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c9304b30b4a08cd9703d0e46b0366f2856a9f1d1a9815f69f274ed11102ad0d
[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" "7c9304b30b4a08cd9703d0e46b0366f2856a9f1d1a9815f69f274ed11102ad0d", kill_on_drop: false }`
[INFO] [stderr]     Checking neocuviz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `UndefinedMovement`
[INFO] [stdout]   --> src/cube.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     UndefinedMovement(Movement),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Front`
[INFO] [stdout]   --> src/cube.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Front,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Back`
[INFO] [stdout]   --> src/cube.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Back,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]   --> src/cube.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]   --> src/cube.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Up`
[INFO] [stdout]   --> src/cube.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Up,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Down`
[INFO] [stdout]   --> src/cube.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cube`
[INFO] [stdout]   --> src/cube.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Cube {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cube.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn new(divisions: usize) -> Cube {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `apply`
[INFO] [stdout]   --> src/cube.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn apply(&mut self, movement: Movement) -> Result<(), CubeError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_face`
[INFO] [stdout]    --> src/cube.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn turn_face(&mut self, face: CubeFace, count: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_layer_x`
[INFO] [stdout]    --> src/cube.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn turn_layer_x(&mut self, column_front: usize, count: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_layer_y`
[INFO] [stdout]    --> src/cube.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn turn_layer_y(&mut self, row_right: usize, count: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_layer_z`
[INFO] [stdout]    --> src/cube.rs:245:8
[INFO] [stdout]     |
[INFO] [stdout] 245 |     fn turn_layer_z(&mut self, row_up: usize, count: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_row`
[INFO] [stdout]    --> src/cube.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn extract_row(&self, face: CubeFace, row: usize) -> Box<[CubeFace]> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_column`
[INFO] [stdout]    --> src/cube.rs:274:8
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn extract_column(&self, face: CubeFace, column: usize) -> Box<[CubeFace]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap_to_row`
[INFO] [stdout]    --> src/cube.rs:293:8
[INFO] [stdout]     |
[INFO] [stdout] 293 |     fn swap_to_row(
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap_to_column`
[INFO] [stdout]    --> src/cube.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 321 |     fn swap_to_column(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UndefinedMovement`
[INFO] [stdout]   --> src/cube.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     UndefinedMovement(Movement),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Front`
[INFO] [stdout]   --> src/cube.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     Front,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Back`
[INFO] [stdout]   --> src/cube.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Back,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]   --> src/cube.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]   --> src/cube.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Up`
[INFO] [stdout]   --> src/cube.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Up,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Down`
[INFO] [stdout]   --> src/cube.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cube`
[INFO] [stdout]   --> src/cube.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Cube {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cube.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn new(divisions: usize) -> Cube {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `apply`
[INFO] [stdout]   --> src/cube.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn apply(&mut self, movement: Movement) -> Result<(), CubeError> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_face`
[INFO] [stdout]    --> src/cube.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn turn_face(&mut self, face: CubeFace, count: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_layer_x`
[INFO] [stdout]    --> src/cube.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn turn_layer_x(&mut self, column_front: usize, count: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_layer_y`
[INFO] [stdout]    --> src/cube.rs:231:8
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn turn_layer_y(&mut self, row_right: usize, count: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn_layer_z`
[INFO] [stdout]    --> src/cube.rs:245:8
[INFO] [stdout]     |
[INFO] [stdout] 245 |     fn turn_layer_z(&mut self, row_up: usize, count: usize) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_row`
[INFO] [stdout]    --> src/cube.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 261 |     fn extract_row(&self, face: CubeFace, row: usize) -> Box<[CubeFace]> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extract_column`
[INFO] [stdout]    --> src/cube.rs:274:8
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn extract_column(&self, face: CubeFace, column: usize) -> Box<[CubeFace]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap_to_row`
[INFO] [stdout]    --> src/cube.rs:293:8
[INFO] [stdout]     |
[INFO] [stdout] 293 |     fn swap_to_row(
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `swap_to_column`
[INFO] [stdout]    --> src/cube.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 321 |     fn swap_to_column(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "7c9304b30b4a08cd9703d0e46b0366f2856a9f1d1a9815f69f274ed11102ad0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c9304b30b4a08cd9703d0e46b0366f2856a9f1d1a9815f69f274ed11102ad0d", kill_on_drop: false }`
[INFO] [stdout] 7c9304b30b4a08cd9703d0e46b0366f2856a9f1d1a9815f69f274ed11102ad0d