[INFO] fetching crate rubiks-cube-representation 0.1.0...
[INFO] checking rubiks-cube-representation-0.1.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate rubiks-cube-representation 0.1.0 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rubiks-cube-representation 0.1.0 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3559a92925a0ed92f283e2f4689584d36d544885bfb31c82b859782156c00e0a
[INFO] running `Command { std: "docker" "start" "-a" "3559a92925a0ed92f283e2f4689584d36d544885bfb31c82b859782156c00e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3559a92925a0ed92f283e2f4689584d36d544885bfb31c82b859782156c00e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3559a92925a0ed92f283e2f4689584d36d544885bfb31c82b859782156c00e0a", kill_on_drop: false }`
[INFO] [stdout] 3559a92925a0ed92f283e2f4689584d36d544885bfb31c82b859782156c00e0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a7631134637f5e7118fc1478a4a5eea016b330a49a9448d3e7aed03787445ca
[INFO] running `Command { std: "docker" "start" "-a" "5a7631134637f5e7118fc1478a4a5eea016b330a49a9448d3e7aed03787445ca", 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] error: struct `CombinedRestriction` is never constructed
[INFO] [stdout]    --> src/core/rubiks/tiles/restrictions/mod.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub struct CombinedRestriction<'a, 'b, const N: usize, First:Restriction<N>, Second:Restriction<N>> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(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] error: could not compile `rubiks-cube-representation` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] running `Command { std: "docker" "inspect" "5a7631134637f5e7118fc1478a4a5eea016b330a49a9448d3e7aed03787445ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7631134637f5e7118fc1478a4a5eea016b330a49a9448d3e7aed03787445ca", kill_on_drop: false }`
[INFO] [stdout] 5a7631134637f5e7118fc1478a4a5eea016b330a49a9448d3e7aed03787445ca
