[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 master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdweatherstone%2Fwater_sort_solver" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dweatherstone/water_sort_solver on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 528ecb3704281173eca2c350c79a942b5138bdb818badcbaed3a0eff4021e91c
[INFO] running `Command { std: "docker" "start" "-a" "528ecb3704281173eca2c350c79a942b5138bdb818badcbaed3a0eff4021e91c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528ecb3704281173eca2c350c79a942b5138bdb818badcbaed3a0eff4021e91c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528ecb3704281173eca2c350c79a942b5138bdb818badcbaed3a0eff4021e91c", kill_on_drop: false }`
[INFO] [stdout] 528ecb3704281173eca2c350c79a942b5138bdb818badcbaed3a0eff4021e91c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab1d0853e09cc6c3f9ca7c55a4d9f32977bf76c3c6cbea0b2029e45fcf9fa4ce
[INFO] running `Command { std: "docker" "start" "-a" "ab1d0853e09cc6c3f9ca7c55a4d9f32977bf76c3c6cbea0b2029e45fcf9fa4ce", kill_on_drop: false }`
[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)]` 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "ab1d0853e09cc6c3f9ca7c55a4d9f32977bf76c3c6cbea0b2029e45fcf9fa4ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1d0853e09cc6c3f9ca7c55a4d9f32977bf76c3c6cbea0b2029e45fcf9fa4ce", kill_on_drop: false }`
[INFO] [stdout] ab1d0853e09cc6c3f9ca7c55a4d9f32977bf76c3c6cbea0b2029e45fcf9fa4ce
[INFO] checking dweatherstone/water_sort_solver against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdweatherstone%2Fwater_sort_solver" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dweatherstone/water_sort_solver on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 046a894b4e0aab12c31928ba4315c1f00f3b80a4a712ad0f8508bf3f2e80aec0
[INFO] running `Command { std: "docker" "start" "-a" "046a894b4e0aab12c31928ba4315c1f00f3b80a4a712ad0f8508bf3f2e80aec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "046a894b4e0aab12c31928ba4315c1f00f3b80a4a712ad0f8508bf3f2e80aec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "046a894b4e0aab12c31928ba4315c1f00f3b80a4a712ad0f8508bf3f2e80aec0", kill_on_drop: false }`
[INFO] [stdout] 046a894b4e0aab12c31928ba4315c1f00f3b80a4a712ad0f8508bf3f2e80aec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4edde1d963f3231cbd33374f8e9af5785af9da6dbfec5592f8c08930b08d2af0
[INFO] running `Command { std: "docker" "start" "-a" "4edde1d963f3231cbd33374f8e9af5785af9da6dbfec5592f8c08930b08d2af0", kill_on_drop: false }`
[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)]` 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "4edde1d963f3231cbd33374f8e9af5785af9da6dbfec5592f8c08930b08d2af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4edde1d963f3231cbd33374f8e9af5785af9da6dbfec5592f8c08930b08d2af0", kill_on_drop: false }`
[INFO] [stdout] 4edde1d963f3231cbd33374f8e9af5785af9da6dbfec5592f8c08930b08d2af0