[INFO] cloning repository https://github.com/grogers0/calendar-puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grogers0/calendar-puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrogers0%2Fcalendar-puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrogers0%2Fcalendar-puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5382c21b4bec629862424273ac0d7d6f7f1e6762
[INFO] checking grogers0/calendar-puzzle against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrogers0%2Fcalendar-puzzle" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/grogers0/calendar-puzzle
[INFO] finished tweaking git repo https://github.com/grogers0/calendar-puzzle
[INFO] tweaked toml for git repo https://github.com/grogers0/calendar-puzzle written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/grogers0/calendar-puzzle on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/grogers0/calendar-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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 436ab36f7dc7a11421023740f372792fbbb6a6b5e016cf2b64aabb91f32421b4
[INFO] running `Command { std: "docker" "start" "-a" "436ab36f7dc7a11421023740f372792fbbb6a6b5e016cf2b64aabb91f32421b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "436ab36f7dc7a11421023740f372792fbbb6a6b5e016cf2b64aabb91f32421b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436ab36f7dc7a11421023740f372792fbbb6a6b5e016cf2b64aabb91f32421b4", kill_on_drop: false }`
[INFO] [stdout] 436ab36f7dc7a11421023740f372792fbbb6a6b5e016cf2b64aabb91f32421b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad3da71930051b7b2da3193ced266ec13cc1eae7094dd5d5a04cd0e6d1df8fbf
[INFO] running `Command { std: "docker" "start" "-a" "ad3da71930051b7b2da3193ced266ec13cc1eae7094dd5d5a04cd0e6d1df8fbf", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking calendar-puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `is_filled` and `unplace` are never used
[INFO] [stdout]   --> src/board.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn is_filled(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn unplace(&mut self, piece: &Piece, pos: &Pos) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `flipped`, `rotated`, and `permutations` are never used
[INFO] [stdout]   --> src/piece.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Piece {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn flipped(&self) -> Piece {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn rotated(&self) -> Piece {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn permutations(&self) -> HashSet<Piece> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_filled` and `unplace` are never used
[INFO] [stdout]   --> src/board.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn is_filled(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn unplace(&mut self, piece: &Piece, pos: &Pos) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `permutations` is never used
[INFO] [stdout]   --> src/piece.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Piece {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn permutations(&self) -> HashSet<Piece> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "ad3da71930051b7b2da3193ced266ec13cc1eae7094dd5d5a04cd0e6d1df8fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad3da71930051b7b2da3193ced266ec13cc1eae7094dd5d5a04cd0e6d1df8fbf", kill_on_drop: false }`
[INFO] [stdout] ad3da71930051b7b2da3193ced266ec13cc1eae7094dd5d5a04cd0e6d1df8fbf