Nov 28 14:45:50.181 INFO checking Aehmlo/advent-of-code against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 14:45:50.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 14:45:50.658 INFO [stdout] 1c79e821bd5b6e3ed4eadd00a366b730f61c6d7712d0a39727d83f3c64badeb5
Nov 28 14:45:50.665 INFO running `"docker" "start" "-a" "1c79e821bd5b6e3ed4eadd00a366b730f61c6d7712d0a39727d83f3c64badeb5"`
Nov 28 14:45:51.732 INFO [stderr] usermod: no changes
Nov 28 14:45:51.848 INFO [stderr]     Checking primal-check v0.2.2
Nov 28 14:45:53.091 INFO [stderr]     Checking primal v0.2.3
Nov 28 14:45:54.400 INFO [stderr]     Checking advent-of-code v0.1.0 (/source)
Nov 28 14:45:57.781 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:45:57.782 INFO [stderr]   --> src/solutions/eight.rs:26:7
Nov 28 14:45:57.783 INFO [stderr]    |
Nov 28 14:45:57.783 INFO [stderr] 26 |         let mut registers = &mut self.registers;
Nov 28 14:45:57.784 INFO [stderr]    |             ----^^^^^^^^^
Nov 28 14:45:57.784 INFO [stderr]    |             |
Nov 28 14:45:57.785 INFO [stderr]    |             help: remove this `mut`
Nov 28 14:45:57.786 INFO [stderr]    |
Nov 28 14:45:57.786 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 14:45:57.787 INFO [stderr] 
Nov 28 14:45:57.800 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:45:57.801 INFO [stderr]   --> src/solutions/ten.rs:31:7
Nov 28 14:45:57.802 INFO [stderr]    |
Nov 28 14:45:57.803 INFO [stderr] 31 |         let mut n = &mut self.nodes;
Nov 28 14:45:57.803 INFO [stderr]    |             ----^
Nov 28 14:45:57.804 INFO [stderr]    |             |
Nov 28 14:45:57.804 INFO [stderr]    |             help: remove this `mut`
Nov 28 14:45:57.805 INFO [stderr] 
Nov 28 14:45:57.907 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:45:57.908 INFO [stderr]    --> src/solutions/twenty.rs:116:7
Nov 28 14:45:57.909 INFO [stderr]     |
Nov 28 14:45:57.909 INFO [stderr] 116 |         let mut particles = &mut self.particles;
Nov 28 14:45:57.910 INFO [stderr]     |             ----^^^^^^^^^
Nov 28 14:45:57.910 INFO [stderr]     |             |
Nov 28 14:45:57.911 INFO [stderr]     |             help: remove this `mut`
Nov 28 14:45:57.911 INFO [stderr] 
Nov 28 14:45:57.923 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:45:57.924 INFO [stderr]   --> src/solutions/twenty_one.rs:50:7
Nov 28 14:45:57.924 INFO [stderr]    |
Nov 28 14:45:57.925 INFO [stderr] 50 |         let mut data = &mut self.data;
Nov 28 14:45:57.925 INFO [stderr]    |             ----^^^^
Nov 28 14:45:57.926 INFO [stderr]    |             |
Nov 28 14:45:57.926 INFO [stderr]    |             help: remove this `mut`
Nov 28 14:45:57.927 INFO [stderr] 
Nov 28 14:45:57.996 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:57.997 INFO [stderr]  --> src/solutions/six.rs:4:1
Nov 28 14:45:57.997 INFO [stderr]   |
Nov 28 14:45:57.998 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:57.998 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:57.998 INFO [stderr]   |
Nov 28 14:45:57.999 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 14:45:57.999 INFO [stderr] 
Nov 28 14:45:58.000 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.000 INFO [stderr]  --> src/solutions/seven.rs:4:1
Nov 28 14:45:58.000 INFO [stderr]   |
Nov 28 14:45:58.000 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:58.000 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.000 INFO [stderr] 
Nov 28 14:45:58.001 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.001 INFO [stderr]  --> src/solutions/eight.rs:4:1
Nov 28 14:45:58.001 INFO [stderr]   |
Nov 28 14:45:58.002 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:58.002 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.002 INFO [stderr] 
Nov 28 14:45:58.003 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.003 INFO [stderr]   --> src/solutions/nine.rs:53:1
Nov 28 14:45:58.003 INFO [stderr]    |
Nov 28 14:45:58.003 INFO [stderr] 53 | pub struct Solution { }
Nov 28 14:45:58.003 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.003 INFO [stderr] 
Nov 28 14:45:58.004 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.004 INFO [stderr]  --> src/solutions/ten.rs:3:1
Nov 28 14:45:58.004 INFO [stderr]   |
Nov 28 14:45:58.004 INFO [stderr] 3 | pub struct Solution { }
Nov 28 14:45:58.005 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.005 INFO [stderr] 
Nov 28 14:45:58.006 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.006 INFO [stderr]  --> src/solutions/eleven.rs:4:1
Nov 28 14:45:58.006 INFO [stderr]   |
Nov 28 14:45:58.006 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:58.006 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.007 INFO [stderr] 
Nov 28 14:45:58.007 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.007 INFO [stderr]  --> src/solutions/twelve.rs:5:1
Nov 28 14:45:58.007 INFO [stderr]   |
Nov 28 14:45:58.007 INFO [stderr] 5 | pub struct Solution { }
Nov 28 14:45:58.007 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.008 INFO [stderr] 
Nov 28 14:45:58.009 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.009 INFO [stderr]  --> src/solutions/thirteen.rs:4:1
Nov 28 14:45:58.009 INFO [stderr]   |
Nov 28 14:45:58.009 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:58.009 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.010 INFO [stderr] 
Nov 28 14:45:58.010 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.010 INFO [stderr]  --> src/solutions/fourteen.rs:4:1
Nov 28 14:45:58.010 INFO [stderr]   |
Nov 28 14:45:58.010 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:58.011 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.011 INFO [stderr] 
Nov 28 14:45:58.012 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.012 INFO [stderr]  --> src/solutions/fifteen.rs:3:1
Nov 28 14:45:58.012 INFO [stderr]   |
Nov 28 14:45:58.012 INFO [stderr] 3 | pub struct Solution { }
Nov 28 14:45:58.012 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.012 INFO [stderr] 
Nov 28 14:45:58.013 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.013 INFO [stderr]  --> src/solutions/sixteen.rs:3:1
Nov 28 14:45:58.013 INFO [stderr]   |
Nov 28 14:45:58.013 INFO [stderr] 3 | pub struct Solution { }
Nov 28 14:45:58.013 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.013 INFO [stderr] 
Nov 28 14:45:58.015 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.015 INFO [stderr]  --> src/solutions/seventeen.rs:3:1
Nov 28 14:45:58.015 INFO [stderr]   |
Nov 28 14:45:58.015 INFO [stderr] 3 | pub struct Solution { }
Nov 28 14:45:58.015 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.015 INFO [stderr] 
Nov 28 14:45:58.016 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.016 INFO [stderr]  --> src/solutions/eighteen.rs:6:1
Nov 28 14:45:58.016 INFO [stderr]   |
Nov 28 14:45:58.016 INFO [stderr] 6 | pub struct Solution { }
Nov 28 14:45:58.016 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.016 INFO [stderr] 
Nov 28 14:45:58.018 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.018 INFO [stderr]  --> src/solutions/nineteen.rs:3:1
Nov 28 14:45:58.018 INFO [stderr]   |
Nov 28 14:45:58.018 INFO [stderr] 3 | pub struct Solution { }
Nov 28 14:45:58.018 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.018 INFO [stderr] 
Nov 28 14:45:58.019 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.019 INFO [stderr]   --> src/solutions/twenty.rs:12:1
Nov 28 14:45:58.019 INFO [stderr]    |
Nov 28 14:45:58.019 INFO [stderr] 12 | pub struct Solution { }
Nov 28 14:45:58.019 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.019 INFO [stderr] 
Nov 28 14:45:58.020 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.020 INFO [stderr]  --> src/solutions/twenty_one.rs:6:1
Nov 28 14:45:58.020 INFO [stderr]   |
Nov 28 14:45:58.020 INFO [stderr] 6 | pub struct Solution { }
Nov 28 14:45:58.020 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.020 INFO [stderr] 
Nov 28 14:45:58.021 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.021 INFO [stderr]  --> src/solutions/twenty_two.rs:4:1
Nov 28 14:45:58.021 INFO [stderr]   |
Nov 28 14:45:58.021 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:58.021 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.021 INFO [stderr] 
Nov 28 14:45:58.022 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.022 INFO [stderr]    --> src/solutions/twenty_three.rs:161:1
Nov 28 14:45:58.022 INFO [stderr]     |
Nov 28 14:45:58.022 INFO [stderr] 161 | pub struct Solution { }
Nov 28 14:45:58.022 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.022 INFO [stderr] 
Nov 28 14:45:58.049 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:45:58.049 INFO [stderr]   --> src/solutions/eight.rs:26:7
Nov 28 14:45:58.049 INFO [stderr]    |
Nov 28 14:45:58.049 INFO [stderr] 26 |         let mut registers = &mut self.registers;
Nov 28 14:45:58.049 INFO [stderr]    |             ----^^^^^^^^^
Nov 28 14:45:58.049 INFO [stderr]    |             |
Nov 28 14:45:58.049 INFO [stderr]    |             help: remove this `mut`
Nov 28 14:45:58.049 INFO [stderr]    |
Nov 28 14:45:58.050 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 14:45:58.050 INFO [stderr] 
Nov 28 14:45:58.062 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:45:58.062 INFO [stderr]   --> src/solutions/ten.rs:31:7
Nov 28 14:45:58.062 INFO [stderr]    |
Nov 28 14:45:58.062 INFO [stderr] 31 |         let mut n = &mut self.nodes;
Nov 28 14:45:58.062 INFO [stderr]    |             ----^
Nov 28 14:45:58.062 INFO [stderr]    |             |
Nov 28 14:45:58.062 INFO [stderr]    |             help: remove this `mut`
Nov 28 14:45:58.062 INFO [stderr] 
Nov 28 14:45:58.176 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:45:58.176 INFO [stderr]    --> src/solutions/twenty.rs:116:7
Nov 28 14:45:58.176 INFO [stderr]     |
Nov 28 14:45:58.176 INFO [stderr] 116 |         let mut particles = &mut self.particles;
Nov 28 14:45:58.176 INFO [stderr]     |             ----^^^^^^^^^
Nov 28 14:45:58.176 INFO [stderr]     |             |
Nov 28 14:45:58.176 INFO [stderr]     |             help: remove this `mut`
Nov 28 14:45:58.176 INFO [stderr] 
Nov 28 14:45:58.188 INFO [stderr] warning: variable does not need to be mutable
Nov 28 14:45:58.188 INFO [stderr]   --> src/solutions/twenty_one.rs:50:7
Nov 28 14:45:58.188 INFO [stderr]    |
Nov 28 14:45:58.188 INFO [stderr] 50 |         let mut data = &mut self.data;
Nov 28 14:45:58.188 INFO [stderr]    |             ----^^^^
Nov 28 14:45:58.188 INFO [stderr]    |             |
Nov 28 14:45:58.188 INFO [stderr]    |             help: remove this `mut`
Nov 28 14:45:58.188 INFO [stderr] 
Nov 28 14:45:58.325 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.325 INFO [stderr]  --> src/solutions/six.rs:4:1
Nov 28 14:45:58.325 INFO [stderr]   |
Nov 28 14:45:58.325 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:58.325 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.325 INFO [stderr]   |
Nov 28 14:45:58.325 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 14:45:58.326 INFO [stderr] 
Nov 28 14:45:58.326 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.326 INFO [stderr]  --> src/solutions/seven.rs:4:1
Nov 28 14:45:58.326 INFO [stderr]   |
Nov 28 14:45:58.326 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:58.326 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.326 INFO [stderr] 
Nov 28 14:45:58.326 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.326 INFO [stderr]  --> src/solutions/eight.rs:4:1
Nov 28 14:45:58.326 INFO [stderr]   |
Nov 28 14:45:58.326 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:58.326 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.326 INFO [stderr] 
Nov 28 14:45:58.326 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.326 INFO [stderr]   --> src/solutions/nine.rs:53:1
Nov 28 14:45:58.326 INFO [stderr]    |
Nov 28 14:45:58.326 INFO [stderr] 53 | pub struct Solution { }
Nov 28 14:45:58.326 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.326 INFO [stderr] 
Nov 28 14:45:58.326 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.326 INFO [stderr]  --> src/solutions/ten.rs:3:1
Nov 28 14:45:58.326 INFO [stderr]   |
Nov 28 14:45:58.326 INFO [stderr] 3 | pub struct Solution { }
Nov 28 14:45:58.326 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.326 INFO [stderr] 
Nov 28 14:45:58.326 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.326 INFO [stderr]  --> src/solutions/eleven.rs:4:1
Nov 28 14:45:58.326 INFO [stderr]   |
Nov 28 14:45:58.326 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:58.326 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.326 INFO [stderr] 
Nov 28 14:45:58.326 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.326 INFO [stderr]  --> src/solutions/twelve.rs:5:1
Nov 28 14:45:58.326 INFO [stderr]   |
Nov 28 14:45:58.326 INFO [stderr] 5 | pub struct Solution { }
Nov 28 14:45:58.326 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.326 INFO [stderr] 
Nov 28 14:45:58.326 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.326 INFO [stderr]  --> src/solutions/thirteen.rs:4:1
Nov 28 14:45:58.326 INFO [stderr]   |
Nov 28 14:45:58.326 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:58.326 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.326 INFO [stderr] 
Nov 28 14:45:58.326 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.326 INFO [stderr]  --> src/solutions/fourteen.rs:4:1
Nov 28 14:45:58.326 INFO [stderr]   |
Nov 28 14:45:58.326 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:58.326 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.326 INFO [stderr] 
Nov 28 14:45:58.326 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.326 INFO [stderr]  --> src/solutions/fifteen.rs:3:1
Nov 28 14:45:58.326 INFO [stderr]   |
Nov 28 14:45:58.326 INFO [stderr] 3 | pub struct Solution { }
Nov 28 14:45:58.326 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.326 INFO [stderr] 
Nov 28 14:45:58.326 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.326 INFO [stderr]  --> src/solutions/sixteen.rs:3:1
Nov 28 14:45:58.327 INFO [stderr]   |
Nov 28 14:45:58.327 INFO [stderr] 3 | pub struct Solution { }
Nov 28 14:45:58.327 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.327 INFO [stderr] 
Nov 28 14:45:58.327 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.327 INFO [stderr]  --> src/solutions/seventeen.rs:3:1
Nov 28 14:45:58.327 INFO [stderr]   |
Nov 28 14:45:58.327 INFO [stderr] 3 | pub struct Solution { }
Nov 28 14:45:58.327 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.327 INFO [stderr] 
Nov 28 14:45:58.327 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.327 INFO [stderr]  --> src/solutions/eighteen.rs:6:1
Nov 28 14:45:58.327 INFO [stderr]   |
Nov 28 14:45:58.327 INFO [stderr] 6 | pub struct Solution { }
Nov 28 14:45:58.327 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.327 INFO [stderr] 
Nov 28 14:45:58.327 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.327 INFO [stderr]  --> src/solutions/nineteen.rs:3:1
Nov 28 14:45:58.327 INFO [stderr]   |
Nov 28 14:45:58.327 INFO [stderr] 3 | pub struct Solution { }
Nov 28 14:45:58.327 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.327 INFO [stderr] 
Nov 28 14:45:58.327 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.327 INFO [stderr]   --> src/solutions/twenty.rs:12:1
Nov 28 14:45:58.327 INFO [stderr]    |
Nov 28 14:45:58.327 INFO [stderr] 12 | pub struct Solution { }
Nov 28 14:45:58.327 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.327 INFO [stderr] 
Nov 28 14:45:58.327 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.327 INFO [stderr]  --> src/solutions/twenty_one.rs:6:1
Nov 28 14:45:58.327 INFO [stderr]   |
Nov 28 14:45:58.327 INFO [stderr] 6 | pub struct Solution { }
Nov 28 14:45:58.327 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.327 INFO [stderr] 
Nov 28 14:45:58.327 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.327 INFO [stderr]  --> src/solutions/twenty_two.rs:4:1
Nov 28 14:45:58.327 INFO [stderr]   |
Nov 28 14:45:58.327 INFO [stderr] 4 | pub struct Solution { }
Nov 28 14:45:58.327 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.327 INFO [stderr] 
Nov 28 14:45:58.327 INFO [stderr] warning: struct is never constructed: `Solution`
Nov 28 14:45:58.327 INFO [stderr]    --> src/solutions/twenty_three.rs:161:1
Nov 28 14:45:58.327 INFO [stderr]     |
Nov 28 14:45:58.327 INFO [stderr] 161 | pub struct Solution { }
Nov 28 14:45:58.327 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^
Nov 28 14:45:58.327 INFO [stderr] 
Nov 28 14:45:58.393 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
Nov 28 14:45:58.397 INFO [stderr] su: No module specific data is present
Nov 28 14:45:59.714 INFO running `"docker" "inspect" "1c79e821bd5b6e3ed4eadd00a366b730f61c6d7712d0a39727d83f3c64badeb5"`
Nov 28 14:46:00.030 INFO running `"docker" "rm" "-f" "1c79e821bd5b6e3ed4eadd00a366b730f61c6d7712d0a39727d83f3c64badeb5"`
Nov 28 14:46:00.329 INFO [stdout] 1c79e821bd5b6e3ed4eadd00a366b730f61c6d7712d0a39727d83f3c64badeb5