[INFO] cloning repository https://github.com/cgm616/cube_puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cgm616/cube_puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgm616%2Fcube_puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgm616%2Fcube_puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eab939615d2f79f07944c7f6258e1963de5b2adb
[INFO] checking cgm616/cube_puzzle against try#2c4e58eac5a232e49065e517c1cf50b2715ccf85 for pr-140283
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgm616%2Fcube_puzzle" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cgm616/cube_puzzle
[INFO] finished tweaking git repo https://github.com/cgm616/cube_puzzle
[INFO] tweaked toml for git repo https://github.com/cgm616/cube_puzzle written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cgm616/cube_puzzle on toolchain 2c4e58eac5a232e49065e517c1cf50b2715ccf85
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cgm616/cube_puzzle 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" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bbb03a07fddeebadd28d6314b5105bc8777340cbd4c3863288093622eef6f51
[INFO] running `Command { std: "docker" "start" "-a" "6bbb03a07fddeebadd28d6314b5105bc8777340cbd4c3863288093622eef6f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bbb03a07fddeebadd28d6314b5105bc8777340cbd4c3863288093622eef6f51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bbb03a07fddeebadd28d6314b5105bc8777340cbd4c3863288093622eef6f51", kill_on_drop: false }`
[INFO] [stdout] 6bbb03a07fddeebadd28d6314b5105bc8777340cbd4c3863288093622eef6f51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2c4e58eac5a232e49065e517c1cf50b2715ccf85" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f789a313ce2b3c73fc94749fb75acca9e03e1c21fe38e126dc1249926ed5e128
[INFO] running `Command { std: "docker" "start" "-a" "f789a313ce2b3c73fc94749fb75acca9e03e1c21fe38e126dc1249926ed5e128", kill_on_drop: false }`
[INFO] [stderr]     Checking cube_puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Polymino`
[INFO] [stdout]  --> src/board.rs:1:60
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::poly::{Color, Location, Orientation, PolyIndex, Polymino};
[INFO] [stdout]   |                                                            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Polymino`
[INFO] [stdout]  --> src/board.rs:1:60
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::poly::{Color, Location, Orientation, PolyIndex, Polymino};
[INFO] [stdout]   |                                                            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/board.rs:170:23
[INFO] [stdout]     |
[INFO] [stdout] 170 |     use crate::poly::{self, Orientation, POLYMINOS};
[INFO] [stdout]     |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `any_cubes`
[INFO] [stdout]    --> src/board.rs:200:21
[INFO] [stdout]     |
[INFO] [stdout] 200 |                 let any_cubes = board
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_any_cubes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate_grain_180` is never used
[INFO] [stdout]   --> src/poly.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |         fn rotate_grain_180(cubes: &[(Location, Color); 5]) -> [(Location, Color); 5] {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate_grain_180` is never used
[INFO] [stdout]   --> src/poly.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |         fn rotate_grain_180(cubes: &[(Location, Color); 5]) -> [(Location, Color); 5] {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "f789a313ce2b3c73fc94749fb75acca9e03e1c21fe38e126dc1249926ed5e128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f789a313ce2b3c73fc94749fb75acca9e03e1c21fe38e126dc1249926ed5e128", kill_on_drop: false }`
[INFO] [stdout] f789a313ce2b3c73fc94749fb75acca9e03e1c21fe38e126dc1249926ed5e128