Dec 06 14:12:46.174 INFO testing ErikPartridge/sudoku-generator against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 14:12:46.174 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 06 14:12:46.344 INFO [stdout] 6347ef8d44fe7cbb246335b6e533dbcf50d8b31c2ee6a47165087f41285c0b8e
Dec 06 14:12:46.345 INFO running `"docker" "start" "-a" "6347ef8d44fe7cbb246335b6e533dbcf50d8b31c2ee6a47165087f41285c0b8e"`
Dec 06 14:12:46.762 INFO [stderr] usermod: no changes
Dec 06 14:12:46.814 INFO [stderr]    Compiling sudoku-generator v0.1.0 (/source)
Dec 06 14:12:47.098 INFO [stderr] warning: unused import: `freedom::Freedom`
Dec 06 14:12:47.098 INFO [stderr]  --> src/main.rs:3:5
Dec 06 14:12:47.098 INFO [stderr]   |
Dec 06 14:12:47.098 INFO [stderr] 3 | use freedom::Freedom;
Dec 06 14:12:47.098 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 06 14:12:47.098 INFO [stderr]   |
Dec 06 14:12:47.098 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 14:12:47.098 INFO [stderr] 
Dec 06 14:12:47.098 INFO [stderr] warning: unused import: `problem::Problem`
Dec 06 14:12:47.098 INFO [stderr]  --> src/main.rs:4:5
Dec 06 14:12:47.098 INFO [stderr]   |
Dec 06 14:12:47.098 INFO [stderr] 4 | use problem::Problem;
Dec 06 14:12:47.098 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 06 14:12:47.098 INFO [stderr] 
Dec 06 14:12:47.129 INFO [stderr] warning: unused variable: `j`
Dec 06 14:12:47.129 INFO [stderr]   --> src/freedom.rs:28:9
Dec 06 14:12:47.129 INFO [stderr]    |
Dec 06 14:12:47.129 INFO [stderr] 28 |     for j in 0..3 {
Dec 06 14:12:47.129 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 06 14:12:47.129 INFO [stderr]    |
Dec 06 14:12:47.129 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 14:12:47.129 INFO [stderr] 
Dec 06 14:12:47.134 INFO [stderr] warning: constant item is never used: `ORDER`
Dec 06 14:12:47.134 INFO [stderr]  --> src/freedom.rs:1:1
Dec 06 14:12:47.134 INFO [stderr]   |
Dec 06 14:12:47.134 INFO [stderr] 1 | const ORDER: u8 = 3;
Dec 06 14:12:47.134 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:47.134 INFO [stderr]   |
Dec 06 14:12:47.134 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 14:12:47.134 INFO [stderr] 
Dec 06 14:12:47.134 INFO [stderr] warning: constant item is never used: `DIM`
Dec 06 14:12:47.134 INFO [stderr]  --> src/freedom.rs:2:1
Dec 06 14:12:47.134 INFO [stderr]   |
Dec 06 14:12:47.134 INFO [stderr] 2 | const DIM: u8 = ORDER * ORDER;
Dec 06 14:12:47.134 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:47.134 INFO [stderr] 
Dec 06 14:12:47.134 INFO [stderr] warning: constant item is never used: `ELEMENTS`
Dec 06 14:12:47.134 INFO [stderr]  --> src/freedom.rs:3:1
Dec 06 14:12:47.134 INFO [stderr]   |
Dec 06 14:12:47.134 INFO [stderr] 3 | const ELEMENTS: u8 = DIM * DIM;
Dec 06 14:12:47.134 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:47.134 INFO [stderr] 
Dec 06 14:12:47.134 INFO [stderr] warning: constant item is never used: `ALL_VALUES`
Dec 06 14:12:47.134 INFO [stderr]  --> src/freedom.rs:4:1
Dec 06 14:12:47.134 INFO [stderr]   |
Dec 06 14:12:47.134 INFO [stderr] 4 | const ALL_VALUES: u16 = (1 << DIM) - 1;
Dec 06 14:12:47.134 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:47.134 INFO [stderr] 
Dec 06 14:12:47.134 INFO [stderr] warning: struct is never constructed: `Freedom`
Dec 06 14:12:47.134 INFO [stderr]  --> src/freedom.rs:7:1
Dec 06 14:12:47.134 INFO [stderr]   |
Dec 06 14:12:47.134 INFO [stderr] 7 | pub struct Freedom {
Dec 06 14:12:47.134 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 06 14:12:47.134 INFO [stderr] 
Dec 06 14:12:47.134 INFO [stderr] warning: function is never used: `singleton`
Dec 06 14:12:47.134 INFO [stderr]   --> src/freedom.rs:11:1
Dec 06 14:12:47.134 INFO [stderr]    |
Dec 06 14:12:47.134 INFO [stderr] 11 | fn singleton(v: u16) -> u16 {
Dec 06 14:12:47.134 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:47.134 INFO [stderr] 
Dec 06 14:12:47.134 INFO [stderr] warning: function is never used: `freedom_eliminate`
Dec 06 14:12:47.134 INFO [stderr]   --> src/freedom.rs:16:1
Dec 06 14:12:47.134 INFO [stderr]    |
Dec 06 14:12:47.134 INFO [stderr] 16 | fn freedom_eliminate(f: &Freedom, col: u16, row: u16, value: u16) -> Freedom {
Dec 06 14:12:47.134 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:47.134 INFO [stderr] 
Dec 06 14:12:47.134 INFO [stderr] warning: function is never used: `create_freedom`
Dec 06 14:12:47.134 INFO [stderr]   --> src/freedom.rs:38:1
Dec 06 14:12:47.134 INFO [stderr]    |
Dec 06 14:12:47.134 INFO [stderr] 38 | fn create_freedom(problem: &Problem) -> Freedom {
Dec 06 14:12:47.134 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:47.134 INFO [stderr] 
Dec 06 14:12:47.134 INFO [stderr] warning: function is never used: `sanity_check`
Dec 06 14:12:47.134 INFO [stderr]   --> src/freedom.rs:52:1
Dec 06 14:12:47.134 INFO [stderr]    |
Dec 06 14:12:47.134 INFO [stderr] 52 | fn sanity_check(problem: &Problem, freedom: &Freedom) -> bool {
Dec 06 14:12:47.134 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:47.134 INFO [stderr] 
Dec 06 14:12:47.134 INFO [stderr] warning: function is never used: `search_least_free`
Dec 06 14:12:47.134 INFO [stderr]   --> src/freedom.rs:63:1
Dec 06 14:12:47.134 INFO [stderr]    |
Dec 06 14:12:47.134 INFO [stderr] 63 | fn search_least_free(problem: &Problem, freedom: &Freedom) -> u16 {
Dec 06 14:12:47.134 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:47.134 INFO [stderr] 
Dec 06 14:12:47.134 INFO [stderr] warning: struct is never constructed: `Problem`
Dec 06 14:12:47.134 INFO [stderr]  --> src/problem.rs:1:1
Dec 06 14:12:47.134 INFO [stderr]   |
Dec 06 14:12:47.134 INFO [stderr] 1 | pub struct Problem {
Dec 06 14:12:47.134 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 06 14:12:47.134 INFO [stderr] 
Dec 06 14:12:47.259 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 06 14:12:47.263 INFO [stderr] su: No module specific data is present
Dec 06 14:12:47.502 INFO running `"docker" "inspect" "6347ef8d44fe7cbb246335b6e533dbcf50d8b31c2ee6a47165087f41285c0b8e"`
Dec 06 14:12:47.573 INFO running `"docker" "rm" "-f" "6347ef8d44fe7cbb246335b6e533dbcf50d8b31c2ee6a47165087f41285c0b8e"`
Dec 06 14:12:47.649 INFO [stdout] 6347ef8d44fe7cbb246335b6e533dbcf50d8b31c2ee6a47165087f41285c0b8e
Dec 06 14:12:47.650 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 06 14:12:47.849 INFO [stdout] d99667489d63d3193298c3361a2f7c714c6eee795951a5fb981939f3f0964d81
Dec 06 14:12:47.850 INFO running `"docker" "start" "-a" "d99667489d63d3193298c3361a2f7c714c6eee795951a5fb981939f3f0964d81"`
Dec 06 14:12:48.252 INFO [stderr] usermod: no changes
Dec 06 14:12:48.285 INFO [stderr]    Compiling sudoku-generator v0.1.0 (/source)
Dec 06 14:12:48.704 INFO [stderr] warning: unused import: `freedom::Freedom`
Dec 06 14:12:48.704 INFO [stderr]  --> src/main.rs:3:5
Dec 06 14:12:48.704 INFO [stderr]   |
Dec 06 14:12:48.704 INFO [stderr] 3 | use freedom::Freedom;
Dec 06 14:12:48.704 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 06 14:12:48.704 INFO [stderr]   |
Dec 06 14:12:48.704 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 14:12:48.704 INFO [stderr] 
Dec 06 14:12:48.704 INFO [stderr] warning: unused import: `problem::Problem`
Dec 06 14:12:48.704 INFO [stderr]  --> src/main.rs:4:5
Dec 06 14:12:48.704 INFO [stderr]   |
Dec 06 14:12:48.704 INFO [stderr] 4 | use problem::Problem;
Dec 06 14:12:48.704 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 06 14:12:48.704 INFO [stderr] 
Dec 06 14:12:48.741 INFO [stderr] warning: unused variable: `j`
Dec 06 14:12:48.741 INFO [stderr]   --> src/freedom.rs:28:9
Dec 06 14:12:48.741 INFO [stderr]    |
Dec 06 14:12:48.741 INFO [stderr] 28 |     for j in 0..3 {
Dec 06 14:12:48.741 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 06 14:12:48.741 INFO [stderr]    |
Dec 06 14:12:48.741 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 14:12:48.741 INFO [stderr] 
Dec 06 14:12:48.746 INFO [stderr] warning: constant item is never used: `ORDER`
Dec 06 14:12:48.746 INFO [stderr]  --> src/freedom.rs:1:1
Dec 06 14:12:48.746 INFO [stderr]   |
Dec 06 14:12:48.746 INFO [stderr] 1 | const ORDER: u8 = 3;
Dec 06 14:12:48.746 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.746 INFO [stderr]   |
Dec 06 14:12:48.746 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 14:12:48.746 INFO [stderr] 
Dec 06 14:12:48.746 INFO [stderr] warning: constant item is never used: `DIM`
Dec 06 14:12:48.746 INFO [stderr]  --> src/freedom.rs:2:1
Dec 06 14:12:48.746 INFO [stderr]   |
Dec 06 14:12:48.746 INFO [stderr] 2 | const DIM: u8 = ORDER * ORDER;
Dec 06 14:12:48.746 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.746 INFO [stderr] 
Dec 06 14:12:48.746 INFO [stderr] warning: constant item is never used: `ELEMENTS`
Dec 06 14:12:48.746 INFO [stderr]  --> src/freedom.rs:3:1
Dec 06 14:12:48.746 INFO [stderr]   |
Dec 06 14:12:48.746 INFO [stderr] 3 | const ELEMENTS: u8 = DIM * DIM;
Dec 06 14:12:48.746 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.746 INFO [stderr] 
Dec 06 14:12:48.746 INFO [stderr] warning: constant item is never used: `ALL_VALUES`
Dec 06 14:12:48.746 INFO [stderr]  --> src/freedom.rs:4:1
Dec 06 14:12:48.746 INFO [stderr]   |
Dec 06 14:12:48.746 INFO [stderr] 4 | const ALL_VALUES: u16 = (1 << DIM) - 1;
Dec 06 14:12:48.746 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.746 INFO [stderr] 
Dec 06 14:12:48.746 INFO [stderr] warning: struct is never constructed: `Freedom`
Dec 06 14:12:48.746 INFO [stderr]  --> src/freedom.rs:7:1
Dec 06 14:12:48.746 INFO [stderr]   |
Dec 06 14:12:48.746 INFO [stderr] 7 | pub struct Freedom {
Dec 06 14:12:48.746 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.746 INFO [stderr] 
Dec 06 14:12:48.746 INFO [stderr] warning: function is never used: `singleton`
Dec 06 14:12:48.746 INFO [stderr]   --> src/freedom.rs:11:1
Dec 06 14:12:48.746 INFO [stderr]    |
Dec 06 14:12:48.746 INFO [stderr] 11 | fn singleton(v: u16) -> u16 {
Dec 06 14:12:48.746 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.746 INFO [stderr] 
Dec 06 14:12:48.746 INFO [stderr] warning: function is never used: `freedom_eliminate`
Dec 06 14:12:48.746 INFO [stderr]   --> src/freedom.rs:16:1
Dec 06 14:12:48.746 INFO [stderr]    |
Dec 06 14:12:48.746 INFO [stderr] 16 | fn freedom_eliminate(f: &Freedom, col: u16, row: u16, value: u16) -> Freedom {
Dec 06 14:12:48.746 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.746 INFO [stderr] 
Dec 06 14:12:48.746 INFO [stderr] warning: function is never used: `create_freedom`
Dec 06 14:12:48.747 INFO [stderr]   --> src/freedom.rs:38:1
Dec 06 14:12:48.747 INFO [stderr]    |
Dec 06 14:12:48.747 INFO [stderr] 38 | fn create_freedom(problem: &Problem) -> Freedom {
Dec 06 14:12:48.747 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.747 INFO [stderr] 
Dec 06 14:12:48.747 INFO [stderr] warning: function is never used: `sanity_check`
Dec 06 14:12:48.747 INFO [stderr]   --> src/freedom.rs:52:1
Dec 06 14:12:48.747 INFO [stderr]    |
Dec 06 14:12:48.747 INFO [stderr] 52 | fn sanity_check(problem: &Problem, freedom: &Freedom) -> bool {
Dec 06 14:12:48.747 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.747 INFO [stderr] 
Dec 06 14:12:48.747 INFO [stderr] warning: function is never used: `search_least_free`
Dec 06 14:12:48.747 INFO [stderr]   --> src/freedom.rs:63:1
Dec 06 14:12:48.747 INFO [stderr]    |
Dec 06 14:12:48.747 INFO [stderr] 63 | fn search_least_free(problem: &Problem, freedom: &Freedom) -> u16 {
Dec 06 14:12:48.747 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.747 INFO [stderr] 
Dec 06 14:12:48.747 INFO [stderr] warning: struct is never constructed: `Problem`
Dec 06 14:12:48.747 INFO [stderr]  --> src/problem.rs:1:1
Dec 06 14:12:48.747 INFO [stderr]   |
Dec 06 14:12:48.747 INFO [stderr] 1 | pub struct Problem {
Dec 06 14:12:48.747 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.747 INFO [stderr] 
Dec 06 14:12:48.960 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Dec 06 14:12:48.964 INFO [stderr] su: No module specific data is present
Dec 06 14:12:49.250 INFO running `"docker" "inspect" "d99667489d63d3193298c3361a2f7c714c6eee795951a5fb981939f3f0964d81"`
Dec 06 14:12:49.389 INFO running `"docker" "rm" "-f" "d99667489d63d3193298c3361a2f7c714c6eee795951a5fb981939f3f0964d81"`
Dec 06 14:12:49.551 INFO [stdout] d99667489d63d3193298c3361a2f7c714c6eee795951a5fb981939f3f0964d81
Dec 06 14:12:49.554 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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 06 14:12:49.752 INFO [stdout] ee77a2a97778af77d0826d1b1fd783960b7d92c605c3d19a85ffd4e703d8c621
Dec 06 14:12:49.754 INFO running `"docker" "start" "-a" "ee77a2a97778af77d0826d1b1fd783960b7d92c605c3d19a85ffd4e703d8c621"`
Dec 06 14:12:50.114 INFO [stderr] usermod: no changes
Dec 06 14:12:50.152 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 14:12:50.152 INFO [stderr]      Running /target/debug/deps/sudoku_generator-c33ddc9d929d4ec5
Dec 06 14:12:50.154 INFO [stdout] 
Dec 06 14:12:50.154 INFO [stdout] running 0 tests
Dec 06 14:12:50.154 INFO [stdout] 
Dec 06 14:12:50.154 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 14:12:50.154 INFO [stdout] 
Dec 06 14:12:50.156 INFO [stderr] su: No module specific data is present
Dec 06 14:12:50.443 INFO running `"docker" "inspect" "ee77a2a97778af77d0826d1b1fd783960b7d92c605c3d19a85ffd4e703d8c621"`
Dec 06 14:12:50.519 INFO running `"docker" "rm" "-f" "ee77a2a97778af77d0826d1b1fd783960b7d92c605c3d19a85ffd4e703d8c621"`
Dec 06 14:12:50.616 INFO [stdout] ee77a2a97778af77d0826d1b1fd783960b7d92c605c3d19a85ffd4e703d8c621