[INFO] updating cached repository https://github.com/pierrechevalier83/rubiks
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d4e70848cd0d55b8f9f18a0e762c9a9702666738
[INFO] checking pierrechevalier83/rubiks against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierrechevalier83%2Frubiks" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pierrechevalier83/rubiks on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pierrechevalier83/rubiks
[INFO] finished tweaking git repo https://github.com/pierrechevalier83/rubiks
[INFO] tweaked toml for git repo https://github.com/pierrechevalier83/rubiks written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/pierrechevalier83/rubiks already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8b73d6fb72fbad10f6fa0b424301730bc40f5a4a6994c03751e67cb1fd3217c1
[INFO] running `"docker" "start" "-a" "8b73d6fb72fbad10f6fa0b424301730bc40f5a4a6994c03751e67cb1fd3217c1"`
[INFO] [stderr]     Checking coord_2d v0.2.9
[INFO] [stderr]     Checking radix_fmt v0.1.1
[INFO] [stderr]     Checking memchr v2.2.0
[INFO] [stderr]     Checking criterion-plot v0.3.0
[INFO] [stderr]     Checking factorial v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking direction v0.17.7
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking bincode v1.1.2
[INFO] [stderr]     Checking csv v1.0.6
[INFO] [stderr]     Checking rubiks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]   --> src/facelet.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::convert::TryFrom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_RL_REFLECTIONS`
[INFO] [stderr]   --> src/symmetries/mod.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | const NUM_RL_REFLECTIONS: u8 = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_UD_TURNS`
[INFO] [stderr]   --> src/symmetries/mod.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | const NUM_UD_TURNS: u8 = 4;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NUM_FB_TURNS`
[INFO] [stderr]   --> src/symmetries/mod.rs:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | const NUM_FB_TURNS: u8 = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `UDPreservingSymmetries`
[INFO] [stderr]   --> src/symmetries/mod.rs:86:1
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub(crate) struct UDPreservingSymmetries {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cube`
[INFO] [stderr]   --> src/symmetries/mod.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn cube(&self) -> Cube {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `index`
[INFO] [stderr]    --> src/symmetries/mod.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub(crate) fn index(&self) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `all`
[INFO] [stderr]    --> src/symmetries/mod.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub(crate) fn all() -> Vec<Self> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking criterion v0.2.10
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]   --> src/facelet.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::convert::TryFrom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cube`
[INFO] [stderr]   --> src/symmetries/mod.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn cube(&self) -> Cube {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "8b73d6fb72fbad10f6fa0b424301730bc40f5a4a6994c03751e67cb1fd3217c1"`
[INFO] running `"docker" "rm" "-f" "8b73d6fb72fbad10f6fa0b424301730bc40f5a4a6994c03751e67cb1fd3217c1"`
[INFO] [stdout] 8b73d6fb72fbad10f6fa0b424301730bc40f5a4a6994c03751e67cb1fd3217c1