[INFO] cloning repository https://github.com/pratyush3757/rubiks_speedsolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pratyush3757/rubiks_speedsolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpratyush3757%2Frubiks_speedsolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpratyush3757%2Frubiks_speedsolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da5923332336f7324623cb2a3ffcb34de55b098a
[INFO] checking pratyush3757/rubiks_speedsolver against master#ca77504943887037504c7fc0b9bf06dab3910373 for pr-145181
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpratyush3757%2Frubiks_speedsolver" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pratyush3757/rubiks_speedsolver
[INFO] finished tweaking git repo https://github.com/pratyush3757/rubiks_speedsolver
[INFO] tweaked toml for git repo https://github.com/pratyush3757/rubiks_speedsolver written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pratyush3757/rubiks_speedsolver on toolchain ca77504943887037504c7fc0b9bf06dab3910373
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pratyush3757/rubiks_speedsolver 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" "+ca77504943887037504c7fc0b9bf06dab3910373" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05bb0dc8b1a6680bdfa5ef120788cfd3b6cc351d013a51cadd92751f004e2b94
[INFO] running `Command { std: "docker" "start" "-a" "05bb0dc8b1a6680bdfa5ef120788cfd3b6cc351d013a51cadd92751f004e2b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05bb0dc8b1a6680bdfa5ef120788cfd3b6cc351d013a51cadd92751f004e2b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05bb0dc8b1a6680bdfa5ef120788cfd3b6cc351d013a51cadd92751f004e2b94", kill_on_drop: false }`
[INFO] [stdout] 05bb0dc8b1a6680bdfa5ef120788cfd3b6cc351d013a51cadd92751f004e2b94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+ca77504943887037504c7fc0b9bf06dab3910373" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ef9bc5f2b8d7d5cecfd203209b2205dd662339237f04be96120a1be3127c234
[INFO] running `Command { std: "docker" "start" "-a" "6ef9bc5f2b8d7d5cecfd203209b2205dd662339237f04be96120a1be3127c234", kill_on_drop: false }`
[INFO] [stderr]     Checking rubiks_cube v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::cube::traits::MoveCubeFace`
[INFO] [stdout]  --> src/solver/whitecross.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cube::traits::MoveCubeFace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cube::Cube`
[INFO] [stdout]  --> src/solver/whitecross.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::cube::Cube;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cubie`
[INFO] [stdout]    --> src/cube/mod.rs:156:19
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn find_cubie(cubie: &Cubie) -> u8 {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_cubie`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let a = Cube::new();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_corner_cubie` and `get_edge_cubie` are never used
[INFO] [stdout]   --> src/cube/mod.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Cube {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn get_corner_cubie(&self, position: &CornerPosition) -> Cubie {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn get_edge_cubie(&self, position: &EdgePosition) -> Cubie {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cubie` is never constructed
[INFO] [stdout]    --> src/cube/mod.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct Cubie {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/cube/mod.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | impl Cubie {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 149 |     fn new(color_1: u8, color_2: u8, color_3: u8) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_cubie` is never used
[INFO] [stdout]    --> src/cube/mod.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn find_cubie(cubie: &Cubie) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EdgePosition` is never used
[INFO] [stdout]   --> src/cube/enums.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum EdgePosition {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CornerPosition` is never used
[INFO] [stdout]   --> src/cube/enums.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum CornerPosition {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FaceBitMask` is never used
[INFO] [stdout]  --> src/cube/traits.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait FaceBitMask {
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MoveCubeFace` is never used
[INFO] [stdout]   --> src/cube/traits.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub trait MoveCubeFace {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RotateCube` is never used
[INFO] [stdout]    --> src/cube/traits.rs:108:11
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub trait RotateCube {
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_whitecross` is never used
[INFO] [stdout]  --> src/solver/whitecross.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve_whitecross() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cube::traits::MoveCubeFace`
[INFO] [stdout]  --> src/solver/whitecross.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cube::traits::MoveCubeFace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cube::Cube`
[INFO] [stdout]  --> src/solver/whitecross.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::cube::Cube;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cubie`
[INFO] [stdout]    --> src/cube/mod.rs:156:19
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn find_cubie(cubie: &Cubie) -> u8 {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_cubie`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let a = Cube::new();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_corner_cubie` and `get_edge_cubie` are never used
[INFO] [stdout]   --> src/cube/mod.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Cube {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn get_corner_cubie(&self, position: &CornerPosition) -> Cubie {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn get_edge_cubie(&self, position: &EdgePosition) -> Cubie {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cubie` is never constructed
[INFO] [stdout]    --> src/cube/mod.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct Cubie {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/cube/mod.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | impl Cubie {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 149 |     fn new(color_1: u8, color_2: u8, color_3: u8) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_cubie` is never used
[INFO] [stdout]    --> src/cube/mod.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn find_cubie(cubie: &Cubie) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EdgePosition` is never used
[INFO] [stdout]   --> src/cube/enums.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum EdgePosition {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CornerPosition` is never used
[INFO] [stdout]   --> src/cube/enums.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum CornerPosition {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/cube/traits.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout]  1 | pub trait FaceBitMask {
[INFO] [stdout]    |           ----------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn upper_left(&self) -> u8;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 26 |     fn upper(&self) -> u8;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 27 |     fn upper_right(&self) -> u8;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 28 |     fn right(&self) -> u8;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 29 |     fn down_right(&self) -> u8;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 30 |     fn down(&self) -> u8;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 31 |     fn down_left(&self) -> u8;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 32 |     fn left(&self) -> u8;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RotateCube` is never used
[INFO] [stdout]    --> src/cube/traits.rs:108:11
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub trait RotateCube {
[INFO] [stdout]     |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_whitecross` is never used
[INFO] [stdout]  --> src/solver/whitecross.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve_whitecross() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "6ef9bc5f2b8d7d5cecfd203209b2205dd662339237f04be96120a1be3127c234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ef9bc5f2b8d7d5cecfd203209b2205dd662339237f04be96120a1be3127c234", kill_on_drop: false }`
[INFO] [stdout] 6ef9bc5f2b8d7d5cecfd203209b2205dd662339237f04be96120a1be3127c234