[INFO] fetching crate rubiks-cube-representation 0.1.0...
[INFO] checking rubiks-cube-representation-0.1.0 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205
[INFO] extracting crate rubiks-cube-representation 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate rubiks-cube-representation 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rubiks-cube-representation 0.1.0
[INFO] tweaked toml for crates.io crate rubiks-cube-representation 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rubiks-cube-representation 0.1.0 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rubiks-cube-representation 0.1.0 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" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23636370bbd876a69805446b4abac36ae576c17826885e09486863f42616d4fe
[INFO] running `Command { std: "docker" "start" "-a" "23636370bbd876a69805446b4abac36ae576c17826885e09486863f42616d4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23636370bbd876a69805446b4abac36ae576c17826885e09486863f42616d4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23636370bbd876a69805446b4abac36ae576c17826885e09486863f42616d4fe", kill_on_drop: false }`
[INFO] [stdout] 23636370bbd876a69805446b4abac36ae576c17826885e09486863f42616d4fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87887a2e7e69071b50982a42e1f6c4b1bb013e44bf88a6a057f6cf4144690ed4
[INFO] running `Command { std: "docker" "start" "-a" "87887a2e7e69071b50982a42e1f6c4b1bb013e44bf88a6a057f6cf4144690ed4", kill_on_drop: false }`
[INFO] [stderr]     Checking rubiks-cube-representation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/core/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Move` is never used
[INFO] [stdout]    --> src/core/rubiks/moves/mod.rs:565:18
[INFO] [stdout]     |
[INFO] [stdout] 565 | pub(crate) trait Move<const N: usize> : Into<TilePerm<N>> {}
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inverse` is never used
[INFO] [stdout]    --> src/core/rubiks/tiles/partial/mod.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 129 | impl<const N: usize> PartialTilePerm<N> {
[INFO] [stdout]     | --------------------------------------- method in this implementation
[INFO] [stdout] 130 |     pub fn inverse(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RestrictionToPartial` is never used
[INFO] [stdout]    --> src/core/rubiks/tiles/partial/mod.rs:165:18
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub(crate) trait RestrictionToPartial<const N: usize> : Restriction<N> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `restriction_domain` is never used
[INFO] [stdout]    --> src/core/rubiks/tiles/partial/mod.rs:177:19
[INFO] [stdout]     |
[INFO] [stdout] 176 | impl<const N: usize> PartialTilePerm<N> {
[INFO] [stdout]     | --------------------------------------- method in this implementation
[INFO] [stdout] 177 |     pub(crate) fn restriction_domain(&self) -> PartialTileSet<N> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PartialTileSet` is never constructed
[INFO] [stdout]    --> src/core/rubiks/tiles/partial/mod.rs:182:19
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub(crate) struct PartialTileSet<const N: usize>(HashSet<TilePos>);
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cube_after_u`
[INFO] [stdout]   --> tests/readme_examples.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let cube_after_u = &cube * &BasicMove::<3>::U;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cube_after_u`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cube_rotated`
[INFO] [stdout]   --> tests/readme_examples.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let cube_rotated = &cube * &Y * &BasicMove::R * &BasicMove::<3>::U;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cube_rotated`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `after_wide`
[INFO] [stdout]   --> tests/readme_examples.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let after_wide = &cube_5x5 * &WideMove::<5>::Uw(3);
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_after_wide`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `after_middle`
[INFO] [stdout]   --> tests/readme_examples.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let after_middle = &cube_5x5 * &MiddleMove::<5>::M;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_after_middle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Move` is never used
[INFO] [stdout]    --> src/core/rubiks/moves/mod.rs:565:18
[INFO] [stdout]     |
[INFO] [stdout] 565 | pub(crate) trait Move<const N: usize> : Into<TilePerm<N>> {}
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inverse` is never used
[INFO] [stdout]    --> src/core/rubiks/tiles/partial/mod.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 129 | impl<const N: usize> PartialTilePerm<N> {
[INFO] [stdout]     | --------------------------------------- method in this implementation
[INFO] [stdout] 130 |     pub fn inverse(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RestrictionToPartial` is never used
[INFO] [stdout]    --> src/core/rubiks/tiles/partial/mod.rs:165:18
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub(crate) trait RestrictionToPartial<const N: usize> : Restriction<N> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `restriction_domain` is never used
[INFO] [stdout]    --> src/core/rubiks/tiles/partial/mod.rs:177:19
[INFO] [stdout]     |
[INFO] [stdout] 176 | impl<const N: usize> PartialTilePerm<N> {
[INFO] [stdout]     | --------------------------------------- method in this implementation
[INFO] [stdout] 177 |     pub(crate) fn restriction_domain(&self) -> PartialTileSet<N> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PartialTileSet` is never constructed
[INFO] [stdout]    --> src/core/rubiks/tiles/partial/mod.rs:182:19
[INFO] [stdout]     |
[INFO] [stdout] 182 | pub(crate) struct PartialTileSet<const N: usize>(HashSet<TilePos>);
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "87887a2e7e69071b50982a42e1f6c4b1bb013e44bf88a6a057f6cf4144690ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87887a2e7e69071b50982a42e1f6c4b1bb013e44bf88a6a057f6cf4144690ed4", kill_on_drop: false }`
[INFO] [stdout] 87887a2e7e69071b50982a42e1f6c4b1bb013e44bf88a6a057f6cf4144690ed4