[INFO] updating cached repository https://github.com/Vallium/rubik-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad968e6d79a90c2c9763786d8dac3d58ab1248e7
[INFO] testing Vallium/rubik-rs against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVallium%2Frubik-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Vallium/rubik-rs on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Vallium/rubik-rs
[INFO] finished tweaking git repo https://github.com/Vallium/rubik-rs
[INFO] tweaked toml for git repo https://github.com/Vallium/rubik-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Vallium/rubik-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 966b8deb9e4dc69f49373256c132d9460953a54f8d442e1df5ba761e786522b8
[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" "966b8deb9e4dc69f49373256c132d9460953a54f8d442e1df5ba761e786522b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "966b8deb9e4dc69f49373256c132d9460953a54f8d442e1df5ba761e786522b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966b8deb9e4dc69f49373256c132d9460953a54f8d442e1df5ba761e786522b8", kill_on_drop: false }`
[INFO] [stdout] 966b8deb9e4dc69f49373256c132d9460953a54f8d442e1df5ba761e786522b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ecc90e93ff85bc9b1e0cfd70e57a781915ce0326302cf43cc26390c3e7e3ada5
[INFO] running `Command { std: "docker" "start" "-a" "ecc90e93ff85bc9b1e0cfd70e57a781915ce0326302cf43cc26390c3e7e3ada5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bincode v0.9.2
[INFO] [stderr]    Compiling rubik v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `twist`
[INFO] [stdout]   --> src/coordinate/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     twist: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flip`
[INFO] [stdout]   --> src/coordinate/mod.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     flip: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parity`
[INFO] [stdout]   --> src/coordinate/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     parity: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fr_to_br`
[INFO] [stdout]   --> src/coordinate/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fr_to_br: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `urf_to_dlf`
[INFO] [stdout]   --> src/coordinate/mod.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     urf_to_dlf: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ur_to_ul`
[INFO] [stdout]   --> src/coordinate/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     ur_to_ul: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ub_to_df`
[INFO] [stdout]   --> src/coordinate/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     ub_to_df: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ur_to_df`
[INFO] [stdout]   --> src/coordinate/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     ur_to_df: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_depth`
[INFO] [stdout]  --> src/solver/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     max_depth: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(inclusive_range_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: literal out of range for i8
[INFO] [stdout]    --> src/coordinate/mod.rs:527:27
[INFO] [stdout]     |
[INFO] [stdout] 527 |             arr[i / 2] &= 0xf0 | value;
[INFO] [stdout]     |                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(overflowing_literals)]` on by default
[INFO] [stdout]     = note: the literal `0xf0` (decimal `240`) does not fit into the type `i8` and will become `-16i8`
[INFO] [stdout]     = help: consider using `u8` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rubik`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ecc90e93ff85bc9b1e0cfd70e57a781915ce0326302cf43cc26390c3e7e3ada5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc90e93ff85bc9b1e0cfd70e57a781915ce0326302cf43cc26390c3e7e3ada5", kill_on_drop: false }`
[INFO] [stdout] ecc90e93ff85bc9b1e0cfd70e57a781915ce0326302cf43cc26390c3e7e3ada5