Nov 30 00:21:43.502 INFO checking kaojo/sudojo against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 00:21:43.502 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 00:21:43.896 INFO [stdout] e3a7def311e152f62ba32d95a46fb85b702c395cf9c65c530ba21ed1b464aaef
Nov 30 00:21:43.902 INFO running `"docker" "start" "-a" "e3a7def311e152f62ba32d95a46fb85b702c395cf9c65c530ba21ed1b464aaef"`
Nov 30 00:21:45.051 INFO [stderr] usermod: no changes
Nov 30 00:21:45.104 INFO [stderr]     Checking sudojo v0.1.0 (/source)
Nov 30 00:21:45.957 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:21:45.957 INFO [stderr]   --> src/sudoku/game/board.rs:51:9
Nov 30 00:21:45.957 INFO [stderr]    |
Nov 30 00:21:45.957 INFO [stderr] 51 |         writeln!(f, "Board");
Nov 30 00:21:45.957 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:21:45.958 INFO [stderr]    |
Nov 30 00:21:45.958 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 00:21:45.958 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:21:45.958 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 00:21:45.958 INFO [stderr] 
Nov 30 00:21:45.958 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:21:45.958 INFO [stderr]   --> src/sudoku/game/board.rs:55:17
Nov 30 00:21:45.958 INFO [stderr]    |
Nov 30 00:21:45.958 INFO [stderr] 55 |                 writeln!(f, "-------------------------");
Nov 30 00:21:45.958 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:21:45.958 INFO [stderr]    |
Nov 30 00:21:45.958 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:21:45.958 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 00:21:45.958 INFO [stderr] 
Nov 30 00:21:45.958 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:21:45.958 INFO [stderr]   --> src/sudoku/game/board.rs:59:21
Nov 30 00:21:45.958 INFO [stderr]    |
Nov 30 00:21:45.958 INFO [stderr] 59 |                     write!(f, "| ");
Nov 30 00:21:45.958 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^
Nov 30 00:21:45.960 INFO [stderr]    |
Nov 30 00:21:45.960 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:21:45.960 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 00:21:45.960 INFO [stderr] 
Nov 30 00:21:45.961 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:21:45.961 INFO [stderr]   --> src/sudoku/game/board.rs:61:17
Nov 30 00:21:45.961 INFO [stderr]    |
Nov 30 00:21:45.961 INFO [stderr] 61 | /                 write!(
Nov 30 00:21:45.961 INFO [stderr] 62 | |                     f,
Nov 30 00:21:45.961 INFO [stderr] 63 | |                     "{} ",
Nov 30 00:21:45.961 INFO [stderr] 64 | |                     match self.get_square(&Coordinate::new(x, y))
Nov 30 00:21:45.962 INFO [stderr] ...  |
Nov 30 00:21:45.962 INFO [stderr] 70 | |                     }
Nov 30 00:21:45.962 INFO [stderr] 71 | |                 );
Nov 30 00:21:45.962 INFO [stderr]    | |__________________^
Nov 30 00:21:45.962 INFO [stderr]    |
Nov 30 00:21:45.962 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:21:45.962 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 00:21:45.962 INFO [stderr] 
Nov 30 00:21:45.962 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:21:45.962 INFO [stderr]   --> src/sudoku/game/board.rs:73:13
Nov 30 00:21:45.962 INFO [stderr]    |
Nov 30 00:21:45.962 INFO [stderr] 73 |             writeln!(f, "|");
Nov 30 00:21:45.962 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Nov 30 00:21:45.962 INFO [stderr]    |
Nov 30 00:21:45.962 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:21:45.962 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 00:21:45.962 INFO [stderr] 
Nov 30 00:21:46.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:21:46.116 INFO [stderr]   --> src/sudoku/game/board.rs:51:9
Nov 30 00:21:46.117 INFO [stderr]    |
Nov 30 00:21:46.117 INFO [stderr] 51 |         writeln!(f, "Board");
Nov 30 00:21:46.117 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:21:46.117 INFO [stderr]    |
Nov 30 00:21:46.117 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 00:21:46.117 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:21:46.117 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 00:21:46.117 INFO [stderr] 
Nov 30 00:21:46.117 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:21:46.117 INFO [stderr]   --> src/sudoku/game/board.rs:55:17
Nov 30 00:21:46.117 INFO [stderr]    |
Nov 30 00:21:46.117 INFO [stderr] 55 |                 writeln!(f, "-------------------------");
Nov 30 00:21:46.117 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 00:21:46.117 INFO [stderr]    |
Nov 30 00:21:46.117 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:21:46.117 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 00:21:46.117 INFO [stderr] 
Nov 30 00:21:46.117 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:21:46.117 INFO [stderr]   --> src/sudoku/game/board.rs:59:21
Nov 30 00:21:46.117 INFO [stderr]    |
Nov 30 00:21:46.117 INFO [stderr] 59 |                     write!(f, "| ");
Nov 30 00:21:46.117 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^
Nov 30 00:21:46.117 INFO [stderr]    |
Nov 30 00:21:46.117 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:21:46.117 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 00:21:46.117 INFO [stderr] 
Nov 30 00:21:46.117 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:21:46.117 INFO [stderr]   --> src/sudoku/game/board.rs:61:17
Nov 30 00:21:46.117 INFO [stderr]    |
Nov 30 00:21:46.117 INFO [stderr] 61 | /                 write!(
Nov 30 00:21:46.117 INFO [stderr] 62 | |                     f,
Nov 30 00:21:46.117 INFO [stderr] 63 | |                     "{} ",
Nov 30 00:21:46.117 INFO [stderr] 64 | |                     match self.get_square(&Coordinate::new(x, y))
Nov 30 00:21:46.117 INFO [stderr] ...  |
Nov 30 00:21:46.117 INFO [stderr] 70 | |                     }
Nov 30 00:21:46.117 INFO [stderr] 71 | |                 );
Nov 30 00:21:46.117 INFO [stderr]    | |__________________^
Nov 30 00:21:46.117 INFO [stderr]    |
Nov 30 00:21:46.117 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:21:46.117 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 00:21:46.117 INFO [stderr] 
Nov 30 00:21:46.117 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 00:21:46.117 INFO [stderr]   --> src/sudoku/game/board.rs:73:13
Nov 30 00:21:46.117 INFO [stderr]    |
Nov 30 00:21:46.117 INFO [stderr] 73 |             writeln!(f, "|");
Nov 30 00:21:46.117 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Nov 30 00:21:46.117 INFO [stderr]    |
Nov 30 00:21:46.117 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 00:21:46.117 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 30 00:21:46.117 INFO [stderr] 
Nov 30 00:21:46.569 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
Nov 30 00:21:46.571 INFO [stderr] su: No module specific data is present
Nov 30 00:21:47.098 INFO running `"docker" "inspect" "e3a7def311e152f62ba32d95a46fb85b702c395cf9c65c530ba21ed1b464aaef"`
Nov 30 00:21:47.426 INFO running `"docker" "rm" "-f" "e3a7def311e152f62ba32d95a46fb85b702c395cf9c65c530ba21ed1b464aaef"`
Nov 30 00:21:47.668 INFO [stdout] e3a7def311e152f62ba32d95a46fb85b702c395cf9c65c530ba21ed1b464aaef