[INFO] updating cached repository https://github.com/h3nnn4n/smart-panda
[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] 80c2028a72173f94f2c731bef472bf5bb480b4c8
[INFO] checking h3nnn4n/smart-panda against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fh3nnn4n%2Fsmart-panda" "/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/h3nnn4n/smart-panda on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/h3nnn4n/smart-panda
[INFO] finished tweaking git repo https://github.com/h3nnn4n/smart-panda
[INFO] tweaked toml for git repo https://github.com/h3nnn4n/smart-panda written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/h3nnn4n/smart-panda already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee9caf819023dd17cdd225375111a136867c3df5a4625b1a04ee0d7e7cdf62ea
[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" "ee9caf819023dd17cdd225375111a136867c3df5a4625b1a04ee0d7e7cdf62ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee9caf819023dd17cdd225375111a136867c3df5a4625b1a04ee0d7e7cdf62ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee9caf819023dd17cdd225375111a136867c3df5a4625b1a04ee0d7e7cdf62ea", kill_on_drop: false }`
[INFO] [stdout] ee9caf819023dd17cdd225375111a136867c3df5a4625b1a04ee0d7e7cdf62ea
[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" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fc2c251479301257bb402b52da6cf9fc99dead16794d3a59c42bd5c79e20131
[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" "3fc2c251479301257bb402b52da6cf9fc99dead16794d3a59c42bd5c79e20131", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.37
[INFO] [stderr]    Compiling cc v1.0.30
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.37
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling nom v4.2.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.12
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.37
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.37
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.31
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.37
[INFO] [stderr]     Checking js-sys v0.3.14
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling web-sys v0.3.14
[INFO] [stderr]     Checking smart-panda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]    --> src/gamestate/board.rs:742:15
[INFO] [stdout]     |
[INFO] [stdout] 742 |         while { board.move_active_piece_down() } {}
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]    --> src/gamestate/board.rs:776:19
[INFO] [stdout]     |
[INFO] [stdout] 776 |             while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/aggregate_height.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 53 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/aggregate_height.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/aggregate_height.rs:78:15
[INFO] [stdout]    |
[INFO] [stdout] 78 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/aggregate_height.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/aggregate_height.rs:86:15
[INFO] [stdout]    |
[INFO] [stdout] 86 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/aggregate_height.rs:98:15
[INFO] [stdout]    |
[INFO] [stdout] 98 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]    --> src/gamestate/feature_functions/aggregate_height.rs:111:15
[INFO] [stdout]     |
[INFO] [stdout] 111 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]    --> src/gamestate/feature_functions/aggregate_height.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]    --> src/gamestate/feature_functions/aggregate_height.rs:136:15
[INFO] [stdout]     |
[INFO] [stdout] 136 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]    --> src/gamestate/feature_functions/aggregate_height.rs:148:15
[INFO] [stdout]     |
[INFO] [stdout] 148 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]    --> src/gamestate/feature_functions/aggregate_height.rs:161:15
[INFO] [stdout]     |
[INFO] [stdout] 161 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/covered_cells.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]    --> src/gamestate/feature_functions/covered_cells.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |             while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]    --> src/gamestate/feature_functions/covered_cells.rs:115:19
[INFO] [stdout]     |
[INFO] [stdout] 115 |             while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]    --> src/gamestate/feature_functions/covered_cells.rs:129:19
[INFO] [stdout]     |
[INFO] [stdout] 129 |             while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/delta_height.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/delta_height.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/delta_height.rs:85:15
[INFO] [stdout]    |
[INFO] [stdout] 85 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/number_of_holes.rs:65:15
[INFO] [stdout]    |
[INFO] [stdout] 65 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/number_of_holes.rs:78:15
[INFO] [stdout]    |
[INFO] [stdout] 78 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/surface_variance.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/surface_variance.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/surface_variance.rs:85:15
[INFO] [stdout]    |
[INFO] [stdout] 85 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/vertical_roughness.rs:73:15
[INFO] [stdout]    |
[INFO] [stdout] 73 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]   --> src/gamestate/feature_functions/vertical_roughness.rs:86:15
[INFO] [stdout]    |
[INFO] [stdout] 86 |         while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `while` condition
[INFO] [stdout]    --> src/gamestate/feature_functions/vertical_roughness.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |             while { board.move_active_piece_down_and_try_sleep() } {}
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "3fc2c251479301257bb402b52da6cf9fc99dead16794d3a59c42bd5c79e20131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc2c251479301257bb402b52da6cf9fc99dead16794d3a59c42bd5c79e20131", kill_on_drop: false }`
[INFO] [stdout] 3fc2c251479301257bb402b52da6cf9fc99dead16794d3a59c42bd5c79e20131