Dec 04 22:01:29.109 INFO checking bastikr/wordacademy-solver against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 22:01:29.109 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 22:01:29.627 INFO [stdout] 81c46452f510ea54d4e443b4bfcf9cb2b3a7efb160eed6ac3e64fa400d1f4d22
Dec 04 22:01:29.633 INFO running `"docker" "start" "-a" "81c46452f510ea54d4e443b4bfcf9cb2b3a7efb160eed6ac3e64fa400d1f4d22"`
Dec 04 22:01:30.819 INFO [stderr] usermod: no changes
Dec 04 22:01:30.867 INFO [stderr]     Checking wordacademy-solver v0.1.0 (/source)
Dec 04 22:01:31.491 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 04 22:01:31.491 INFO [stderr]  --> src/chargraph.rs:1:5
Dec 04 22:01:31.491 INFO [stderr]   |
Dec 04 22:01:31.491 INFO [stderr] 1 | use std::collections::HashMap;
Dec 04 22:01:31.491 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:01:31.491 INFO [stderr]   |
Dec 04 22:01:31.491 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 22:01:31.491 INFO [stderr] 
Dec 04 22:01:31.887 INFO [stderr] warning: unused variable: `index`
Dec 04 22:01:31.887 INFO [stderr]   --> src/chargraph.rs:73:17
Dec 04 22:01:31.887 INFO [stderr]    |
Dec 04 22:01:31.887 INFO [stderr] 73 |             Err(index) => { panic!("bla") }
Dec 04 22:01:31.887 INFO [stderr]    |                 ^^^^^ help: consider using `_index` instead
Dec 04 22:01:31.887 INFO [stderr]    |
Dec 04 22:01:31.887 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 22:01:31.887 INFO [stderr] 
Dec 04 22:01:31.899 INFO [stderr] warning: unused import: `Mask`
Dec 04 22:01:31.899 INFO [stderr]    --> src/board.rs:245:29
Dec 04 22:01:31.900 INFO [stderr]     |
Dec 04 22:01:31.907 INFO [stderr] 245 |     use board::{Neighbours, Mask};
Dec 04 22:01:31.907 INFO [stderr]     |                             ^^^^
Dec 04 22:01:31.917 INFO [stderr]     |
Dec 04 22:01:31.917 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 04 22:01:31.917 INFO [stderr] 
Dec 04 22:01:31.917 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 04 22:01:31.917 INFO [stderr]  --> src/chargraph.rs:1:5
Dec 04 22:01:31.918 INFO [stderr]   |
Dec 04 22:01:31.918 INFO [stderr] 1 | use std::collections::HashMap;
Dec 04 22:01:31.918 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:01:31.918 INFO [stderr] 
Dec 04 22:01:32.095 INFO [stderr] warning: function is never used: `writeable`
Dec 04 22:01:32.095 INFO [stderr]    --> src/solver_positional.rs:515:1
Dec 04 22:01:32.095 INFO [stderr]     |
Dec 04 22:01:32.095 INFO [stderr] 515 | fn writeable(word: &str, board: &Board) -> bool {
Dec 04 22:01:32.095 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:01:32.111 INFO [stderr]     |
Dec 04 22:01:32.111 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 22:01:32.111 INFO [stderr] 
Dec 04 22:01:32.115 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:01:32.116 INFO [stderr]   --> src/board.rs:66:9
Dec 04 22:01:32.116 INFO [stderr]    |
Dec 04 22:01:32.116 INFO [stderr] 66 |         writeln!(f);
Dec 04 22:01:32.116 INFO [stderr]    |         ^^^^^^^^^^^^
Dec 04 22:01:32.116 INFO [stderr]    |
Dec 04 22:01:32.116 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 22:01:32.116 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:01:32.116 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)
Dec 04 22:01:32.116 INFO [stderr] 
Dec 04 22:01:32.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:01:32.116 INFO [stderr]   --> src/board.rs:68:13
Dec 04 22:01:32.116 INFO [stderr]    |
Dec 04 22:01:32.116 INFO [stderr] 68 |             writeln!(f, "{}", separator);
Dec 04 22:01:32.116 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:01:32.116 INFO [stderr]    |
Dec 04 22:01:32.116 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:01:32.116 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)
Dec 04 22:01:32.116 INFO [stderr] 
Dec 04 22:01:32.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:01:32.116 INFO [stderr]   --> src/board.rs:70:17
Dec 04 22:01:32.116 INFO [stderr]    |
Dec 04 22:01:32.116 INFO [stderr] 70 |                 write!(f, "|");
Dec 04 22:01:32.116 INFO [stderr]    |                 ^^^^^^^^^^^^^^^
Dec 04 22:01:32.116 INFO [stderr]    |
Dec 04 22:01:32.116 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:01:32.116 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)
Dec 04 22:01:32.116 INFO [stderr] 
Dec 04 22:01:32.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:01:32.116 INFO [stderr]   --> src/board.rs:72:21
Dec 04 22:01:32.116 INFO [stderr]    |
Dec 04 22:01:32.116 INFO [stderr] 72 |                     write!(f, "{}", self.get(i, j));
Dec 04 22:01:32.116 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:01:32.116 INFO [stderr]    |
Dec 04 22:01:32.116 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:01:32.116 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)
Dec 04 22:01:32.116 INFO [stderr] 
Dec 04 22:01:32.116 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:01:32.116 INFO [stderr]   --> src/board.rs:74:21
Dec 04 22:01:32.116 INFO [stderr]    |
Dec 04 22:01:32.116 INFO [stderr] 74 |                     write!(f, " ");
Dec 04 22:01:32.116 INFO [stderr]    |                     ^^^^^^^^^^^^^^^
Dec 04 22:01:32.117 INFO [stderr]    |
Dec 04 22:01:32.117 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:01:32.117 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)
Dec 04 22:01:32.117 INFO [stderr] 
Dec 04 22:01:32.117 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:01:32.117 INFO [stderr]   --> src/board.rs:77:13
Dec 04 22:01:32.117 INFO [stderr]    |
Dec 04 22:01:32.117 INFO [stderr] 77 |             writeln!(f, "|");
Dec 04 22:01:32.117 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 04 22:01:32.117 INFO [stderr]    |
Dec 04 22:01:32.117 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:01:32.117 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)
Dec 04 22:01:32.117 INFO [stderr] 
Dec 04 22:01:32.435 INFO [stderr] warning: unused variable: `graph`
Dec 04 22:01:32.435 INFO [stderr]   --> src/chargraph.rs:97:13
Dec 04 22:01:32.435 INFO [stderr]    |
Dec 04 22:01:32.435 INFO [stderr] 97 |         let graph = CharGraph::from_strings(&words);
Dec 04 22:01:32.435 INFO [stderr]    |             ^^^^^ help: consider using `_graph` instead
Dec 04 22:01:32.435 INFO [stderr]    |
Dec 04 22:01:32.435 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 22:01:32.435 INFO [stderr] 
Dec 04 22:01:32.435 INFO [stderr] warning: unused variable: `index`
Dec 04 22:01:32.435 INFO [stderr]   --> src/chargraph.rs:73:17
Dec 04 22:01:32.435 INFO [stderr]    |
Dec 04 22:01:32.435 INFO [stderr] 73 |             Err(index) => { panic!("bla") }
Dec 04 22:01:32.435 INFO [stderr]    |                 ^^^^^ help: consider using `_index` instead
Dec 04 22:01:32.438 INFO [stderr] 
Dec 04 22:01:32.614 INFO [stderr] warning: function is never used: `writeable`
Dec 04 22:01:32.615 INFO [stderr]    --> src/solver_positional.rs:515:1
Dec 04 22:01:32.615 INFO [stderr]     |
Dec 04 22:01:32.615 INFO [stderr] 515 | fn writeable(word: &str, board: &Board) -> bool {
Dec 04 22:01:32.615 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:01:32.615 INFO [stderr]     |
Dec 04 22:01:32.615 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 22:01:32.615 INFO [stderr] 
Dec 04 22:01:32.615 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:01:32.615 INFO [stderr]   --> src/board.rs:66:9
Dec 04 22:01:32.615 INFO [stderr]    |
Dec 04 22:01:32.615 INFO [stderr] 66 |         writeln!(f);
Dec 04 22:01:32.615 INFO [stderr]    |         ^^^^^^^^^^^^
Dec 04 22:01:32.615 INFO [stderr]    |
Dec 04 22:01:32.615 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 22:01:32.615 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:01:32.615 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)
Dec 04 22:01:32.615 INFO [stderr] 
Dec 04 22:01:32.615 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:01:32.615 INFO [stderr]   --> src/board.rs:68:13
Dec 04 22:01:32.615 INFO [stderr]    |
Dec 04 22:01:32.618 INFO [stderr] 68 |             writeln!(f, "{}", separator);
Dec 04 22:01:32.619 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:01:32.619 INFO [stderr]    |
Dec 04 22:01:32.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:01:32.619 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)
Dec 04 22:01:32.619 INFO [stderr] 
Dec 04 22:01:32.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:01:32.619 INFO [stderr]   --> src/board.rs:70:17
Dec 04 22:01:32.619 INFO [stderr]    |
Dec 04 22:01:32.619 INFO [stderr] 70 |                 write!(f, "|");
Dec 04 22:01:32.619 INFO [stderr]    |                 ^^^^^^^^^^^^^^^
Dec 04 22:01:32.619 INFO [stderr]    |
Dec 04 22:01:32.619 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:01:32.619 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)
Dec 04 22:01:32.619 INFO [stderr] 
Dec 04 22:01:32.619 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:01:32.619 INFO [stderr]   --> src/board.rs:72:21
Dec 04 22:01:32.619 INFO [stderr]    |
Dec 04 22:01:32.619 INFO [stderr] 72 |                     write!(f, "{}", self.get(i, j));
Dec 04 22:01:32.619 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:01:32.621 INFO [stderr]    |
Dec 04 22:01:32.621 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:01:32.621 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)
Dec 04 22:01:32.621 INFO [stderr] 
Dec 04 22:01:32.621 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:01:32.621 INFO [stderr]   --> src/board.rs:74:21
Dec 04 22:01:32.621 INFO [stderr]    |
Dec 04 22:01:32.621 INFO [stderr] 74 |                     write!(f, " ");
Dec 04 22:01:32.621 INFO [stderr]    |                     ^^^^^^^^^^^^^^^
Dec 04 22:01:32.621 INFO [stderr]    |
Dec 04 22:01:32.623 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:01:32.623 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)
Dec 04 22:01:32.623 INFO [stderr] 
Dec 04 22:01:32.623 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 22:01:32.623 INFO [stderr]   --> src/board.rs:77:13
Dec 04 22:01:32.623 INFO [stderr]    |
Dec 04 22:01:32.623 INFO [stderr] 77 |             writeln!(f, "|");
Dec 04 22:01:32.623 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^
Dec 04 22:01:32.623 INFO [stderr]    |
Dec 04 22:01:32.623 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 22:01:32.624 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)
Dec 04 22:01:32.624 INFO [stderr] 
Dec 04 22:01:33.087 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
Dec 04 22:01:33.093 INFO [stderr] su: No module specific data is present
Dec 04 22:01:33.721 INFO running `"docker" "inspect" "81c46452f510ea54d4e443b4bfcf9cb2b3a7efb160eed6ac3e64fa400d1f4d22"`
Dec 04 22:01:33.977 INFO running `"docker" "rm" "-f" "81c46452f510ea54d4e443b4bfcf9cb2b3a7efb160eed6ac3e64fa400d1f4d22"`
Dec 04 22:01:34.227 INFO [stdout] 81c46452f510ea54d4e443b4bfcf9cb2b3a7efb160eed6ac3e64fa400d1f4d22