[INFO] cloning repository https://github.com/dweatherstone/water_sort_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dweatherstone/water_sort_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdweatherstone%2Fwater_sort_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdweatherstone%2Fwater_sort_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d4ebfff258c61dc9834beea88cf8af6bc561faa
[INFO] checking dweatherstone/water_sort_solver against try#9961e55b3687a6d0b2bab4af0e5e81494b09be81 for pr-139087-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdweatherstone%2Fwater_sort_solver" "/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/dweatherstone/water_sort_solver
[INFO] finished tweaking git repo https://github.com/dweatherstone/water_sort_solver
[INFO] tweaked toml for git repo https://github.com/dweatherstone/water_sort_solver written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dweatherstone/water_sort_solver on toolchain 9961e55b3687a6d0b2bab4af0e5e81494b09be81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dweatherstone/water_sort_solver 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" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37dd3b7686509e31df1aced3c5668f03282bf4ea1dacf735bd6eebfe2f591ec5
[INFO] running `Command { std: "docker" "start" "-a" "37dd3b7686509e31df1aced3c5668f03282bf4ea1dacf735bd6eebfe2f591ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37dd3b7686509e31df1aced3c5668f03282bf4ea1dacf735bd6eebfe2f591ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37dd3b7686509e31df1aced3c5668f03282bf4ea1dacf735bd6eebfe2f591ec5", kill_on_drop: false }`
[INFO] [stdout] 37dd3b7686509e31df1aced3c5668f03282bf4ea1dacf735bd6eebfe2f591ec5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a49bccf157ef4e4e3674e70a2d51554fa32c5555fb9aa466ffac470ca2735d3
[INFO] running `Command { std: "docker" "start" "-a" "2a49bccf157ef4e4e3674e70a2d51554fa32c5555fb9aa466ffac470ca2735d3", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking water_sort_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `states`, `current_state`, and `current_block_count` are never read
[INFO] [stdout]   --> src/solver.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Solver {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout]  9 |     states: Vec<Vec<Game>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     current_state: Game,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 11 |     current_block_count: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_possible_moves`, `does_move_reduce_block_count`, and `peek_move` are never used
[INFO] [stdout]   --> src/solver.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Solver {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn get_possible_moves(&self) -> Vec<Move> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     fn does_move_reduce_block_count(&self, possible_move: &Move) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     fn peek_move(&self, possible_move: &Move) -> Game {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "2a49bccf157ef4e4e3674e70a2d51554fa32c5555fb9aa466ffac470ca2735d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a49bccf157ef4e4e3674e70a2d51554fa32c5555fb9aa466ffac470ca2735d3", kill_on_drop: false }`
[INFO] [stdout] 2a49bccf157ef4e4e3674e70a2d51554fa32c5555fb9aa466ffac470ca2735d3