Dec 14 10:34:08.745 INFO testing ErikPartridge/sudoku-generator against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 10:34:08.746 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 10:34:08.958 INFO [stdout] 0662e23b2dd1e2fa590e363bd9a7aaa29ff88d9a89ccc497e92b2e340d1bc51f
Dec 14 10:34:08.958 INFO running `"docker" "start" "-a" "0662e23b2dd1e2fa590e363bd9a7aaa29ff88d9a89ccc497e92b2e340d1bc51f"`
Dec 14 10:34:09.411 INFO [stderr] usermod: no changes
Dec 14 10:34:09.451 INFO [stderr]    Compiling sudoku-generator v0.1.0 (/source)
Dec 14 10:34:09.845 INFO [stderr] warning: unused import: `freedom::Freedom`
Dec 14 10:34:09.845 INFO [stderr]  --> src/main.rs:3:5
Dec 14 10:34:09.845 INFO [stderr]   |
Dec 14 10:34:09.845 INFO [stderr] 3 | use freedom::Freedom;
Dec 14 10:34:09.845 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 14 10:34:09.845 INFO [stderr]   |
Dec 14 10:34:09.845 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 10:34:09.845 INFO [stderr] 
Dec 14 10:34:09.845 INFO [stderr] warning: unused import: `problem::Problem`
Dec 14 10:34:09.845 INFO [stderr]  --> src/main.rs:4:5
Dec 14 10:34:09.845 INFO [stderr]   |
Dec 14 10:34:09.845 INFO [stderr] 4 | use problem::Problem;
Dec 14 10:34:09.845 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 14 10:34:09.845 INFO [stderr] 
Dec 14 10:34:09.891 INFO [stderr] warning: unused variable: `j`
Dec 14 10:34:09.891 INFO [stderr]   --> src/freedom.rs:28:9
Dec 14 10:34:09.891 INFO [stderr]    |
Dec 14 10:34:09.891 INFO [stderr] 28 |     for j in 0..3 {
Dec 14 10:34:09.891 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 14 10:34:09.891 INFO [stderr]    |
Dec 14 10:34:09.891 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 10:34:09.891 INFO [stderr] 
Dec 14 10:34:09.895 INFO [stderr] warning: constant item is never used: `ORDER`
Dec 14 10:34:09.895 INFO [stderr]  --> src/freedom.rs:1:1
Dec 14 10:34:09.895 INFO [stderr]   |
Dec 14 10:34:09.895 INFO [stderr] 1 | const ORDER: u8 = 3;
Dec 14 10:34:09.895 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:09.895 INFO [stderr]   |
Dec 14 10:34:09.895 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 10:34:09.895 INFO [stderr] 
Dec 14 10:34:09.895 INFO [stderr] warning: constant item is never used: `DIM`
Dec 14 10:34:09.895 INFO [stderr]  --> src/freedom.rs:2:1
Dec 14 10:34:09.895 INFO [stderr]   |
Dec 14 10:34:09.895 INFO [stderr] 2 | const DIM: u8 = ORDER * ORDER;
Dec 14 10:34:09.895 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:09.895 INFO [stderr] 
Dec 14 10:34:09.895 INFO [stderr] warning: constant item is never used: `ELEMENTS`
Dec 14 10:34:09.895 INFO [stderr]  --> src/freedom.rs:3:1
Dec 14 10:34:09.895 INFO [stderr]   |
Dec 14 10:34:09.895 INFO [stderr] 3 | const ELEMENTS: u8 = DIM * DIM;
Dec 14 10:34:09.895 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:09.895 INFO [stderr] 
Dec 14 10:34:09.895 INFO [stderr] warning: constant item is never used: `ALL_VALUES`
Dec 14 10:34:09.895 INFO [stderr]  --> src/freedom.rs:4:1
Dec 14 10:34:09.895 INFO [stderr]   |
Dec 14 10:34:09.895 INFO [stderr] 4 | const ALL_VALUES: u16 = (1 << DIM) - 1;
Dec 14 10:34:09.895 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:09.895 INFO [stderr] 
Dec 14 10:34:09.895 INFO [stderr] warning: struct is never constructed: `Freedom`
Dec 14 10:34:09.895 INFO [stderr]  --> src/freedom.rs:7:1
Dec 14 10:34:09.895 INFO [stderr]   |
Dec 14 10:34:09.895 INFO [stderr] 7 | pub struct Freedom {
Dec 14 10:34:09.895 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 14 10:34:09.895 INFO [stderr] 
Dec 14 10:34:09.895 INFO [stderr] warning: function is never used: `singleton`
Dec 14 10:34:09.895 INFO [stderr]   --> src/freedom.rs:11:1
Dec 14 10:34:09.895 INFO [stderr]    |
Dec 14 10:34:09.895 INFO [stderr] 11 | fn singleton(v: u16) -> u16 {
Dec 14 10:34:09.895 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:09.895 INFO [stderr] 
Dec 14 10:34:09.895 INFO [stderr] warning: function is never used: `freedom_eliminate`
Dec 14 10:34:09.895 INFO [stderr]   --> src/freedom.rs:16:1
Dec 14 10:34:09.895 INFO [stderr]    |
Dec 14 10:34:09.895 INFO [stderr] 16 | fn freedom_eliminate(f: &Freedom, col: u16, row: u16, value: u16) -> Freedom {
Dec 14 10:34:09.895 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:09.895 INFO [stderr] 
Dec 14 10:34:09.895 INFO [stderr] warning: function is never used: `create_freedom`
Dec 14 10:34:09.895 INFO [stderr]   --> src/freedom.rs:38:1
Dec 14 10:34:09.895 INFO [stderr]    |
Dec 14 10:34:09.895 INFO [stderr] 38 | fn create_freedom(problem: &Problem) -> Freedom {
Dec 14 10:34:09.895 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:09.895 INFO [stderr] 
Dec 14 10:34:09.895 INFO [stderr] warning: function is never used: `sanity_check`
Dec 14 10:34:09.895 INFO [stderr]   --> src/freedom.rs:52:1
Dec 14 10:34:09.895 INFO [stderr]    |
Dec 14 10:34:09.895 INFO [stderr] 52 | fn sanity_check(problem: &Problem, freedom: &Freedom) -> bool {
Dec 14 10:34:09.895 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:09.895 INFO [stderr] 
Dec 14 10:34:09.895 INFO [stderr] warning: function is never used: `search_least_free`
Dec 14 10:34:09.895 INFO [stderr]   --> src/freedom.rs:63:1
Dec 14 10:34:09.895 INFO [stderr]    |
Dec 14 10:34:09.895 INFO [stderr] 63 | fn search_least_free(problem: &Problem, freedom: &Freedom) -> u16 {
Dec 14 10:34:09.895 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:09.895 INFO [stderr] 
Dec 14 10:34:09.895 INFO [stderr] warning: struct is never constructed: `Problem`
Dec 14 10:34:09.895 INFO [stderr]  --> src/problem.rs:1:1
Dec 14 10:34:09.895 INFO [stderr]   |
Dec 14 10:34:09.895 INFO [stderr] 1 | pub struct Problem {
Dec 14 10:34:09.895 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 14 10:34:09.895 INFO [stderr] 
Dec 14 10:34:10.066 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 14 10:34:10.068 INFO [stderr] su: No module specific data is present
Dec 14 10:34:10.436 INFO running `"docker" "inspect" "0662e23b2dd1e2fa590e363bd9a7aaa29ff88d9a89ccc497e92b2e340d1bc51f"`
Dec 14 10:34:10.526 INFO running `"docker" "rm" "-f" "0662e23b2dd1e2fa590e363bd9a7aaa29ff88d9a89ccc497e92b2e340d1bc51f"`
Dec 14 10:34:10.695 INFO [stdout] 0662e23b2dd1e2fa590e363bd9a7aaa29ff88d9a89ccc497e92b2e340d1bc51f
Dec 14 10:34:10.697 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 10:34:10.872 INFO [stdout] dbfb5b4b3d358fadb9ca31a35b63e9adb75cdd9bfea373c2a0aafad37f6545bb
Dec 14 10:34:10.874 INFO running `"docker" "start" "-a" "dbfb5b4b3d358fadb9ca31a35b63e9adb75cdd9bfea373c2a0aafad37f6545bb"`
Dec 14 10:34:11.298 INFO [stderr] usermod: no changes
Dec 14 10:34:11.338 INFO [stderr]    Compiling sudoku-generator v0.1.0 (/source)
Dec 14 10:34:11.804 INFO [stderr] warning: unused import: `freedom::Freedom`
Dec 14 10:34:11.804 INFO [stderr]  --> src/main.rs:3:5
Dec 14 10:34:11.804 INFO [stderr]   |
Dec 14 10:34:11.804 INFO [stderr] 3 | use freedom::Freedom;
Dec 14 10:34:11.804 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 14 10:34:11.804 INFO [stderr]   |
Dec 14 10:34:11.804 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 10:34:11.804 INFO [stderr] 
Dec 14 10:34:11.804 INFO [stderr] warning: unused import: `problem::Problem`
Dec 14 10:34:11.804 INFO [stderr]  --> src/main.rs:4:5
Dec 14 10:34:11.804 INFO [stderr]   |
Dec 14 10:34:11.804 INFO [stderr] 4 | use problem::Problem;
Dec 14 10:34:11.804 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 14 10:34:11.804 INFO [stderr] 
Dec 14 10:34:11.850 INFO [stderr] warning: unused variable: `j`
Dec 14 10:34:11.850 INFO [stderr]   --> src/freedom.rs:28:9
Dec 14 10:34:11.850 INFO [stderr]    |
Dec 14 10:34:11.850 INFO [stderr] 28 |     for j in 0..3 {
Dec 14 10:34:11.850 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 14 10:34:11.850 INFO [stderr]    |
Dec 14 10:34:11.850 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 10:34:11.850 INFO [stderr] 
Dec 14 10:34:11.857 INFO [stderr] warning: constant item is never used: `ORDER`
Dec 14 10:34:11.857 INFO [stderr]  --> src/freedom.rs:1:1
Dec 14 10:34:11.857 INFO [stderr]   |
Dec 14 10:34:11.857 INFO [stderr] 1 | const ORDER: u8 = 3;
Dec 14 10:34:11.857 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:11.857 INFO [stderr]   |
Dec 14 10:34:11.857 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 10:34:11.857 INFO [stderr] 
Dec 14 10:34:11.857 INFO [stderr] warning: constant item is never used: `DIM`
Dec 14 10:34:11.857 INFO [stderr]  --> src/freedom.rs:2:1
Dec 14 10:34:11.857 INFO [stderr]   |
Dec 14 10:34:11.857 INFO [stderr] 2 | const DIM: u8 = ORDER * ORDER;
Dec 14 10:34:11.857 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:11.857 INFO [stderr] 
Dec 14 10:34:11.857 INFO [stderr] warning: constant item is never used: `ELEMENTS`
Dec 14 10:34:11.857 INFO [stderr]  --> src/freedom.rs:3:1
Dec 14 10:34:11.857 INFO [stderr]   |
Dec 14 10:34:11.857 INFO [stderr] 3 | const ELEMENTS: u8 = DIM * DIM;
Dec 14 10:34:11.857 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:11.857 INFO [stderr] 
Dec 14 10:34:11.857 INFO [stderr] warning: constant item is never used: `ALL_VALUES`
Dec 14 10:34:11.858 INFO [stderr]  --> src/freedom.rs:4:1
Dec 14 10:34:11.858 INFO [stderr]   |
Dec 14 10:34:11.858 INFO [stderr] 4 | const ALL_VALUES: u16 = (1 << DIM) - 1;
Dec 14 10:34:11.858 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:11.858 INFO [stderr] 
Dec 14 10:34:11.858 INFO [stderr] warning: struct is never constructed: `Freedom`
Dec 14 10:34:11.858 INFO [stderr]  --> src/freedom.rs:7:1
Dec 14 10:34:11.858 INFO [stderr]   |
Dec 14 10:34:11.858 INFO [stderr] 7 | pub struct Freedom {
Dec 14 10:34:11.858 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 14 10:34:11.858 INFO [stderr] 
Dec 14 10:34:11.858 INFO [stderr] warning: function is never used: `singleton`
Dec 14 10:34:11.858 INFO [stderr]   --> src/freedom.rs:11:1
Dec 14 10:34:11.858 INFO [stderr]    |
Dec 14 10:34:11.858 INFO [stderr] 11 | fn singleton(v: u16) -> u16 {
Dec 14 10:34:11.858 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:11.858 INFO [stderr] 
Dec 14 10:34:11.858 INFO [stderr] warning: function is never used: `freedom_eliminate`
Dec 14 10:34:11.858 INFO [stderr]   --> src/freedom.rs:16:1
Dec 14 10:34:11.858 INFO [stderr]    |
Dec 14 10:34:11.858 INFO [stderr] 16 | fn freedom_eliminate(f: &Freedom, col: u16, row: u16, value: u16) -> Freedom {
Dec 14 10:34:11.858 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:11.858 INFO [stderr] 
Dec 14 10:34:11.858 INFO [stderr] warning: function is never used: `create_freedom`
Dec 14 10:34:11.858 INFO [stderr]   --> src/freedom.rs:38:1
Dec 14 10:34:11.858 INFO [stderr]    |
Dec 14 10:34:11.858 INFO [stderr] 38 | fn create_freedom(problem: &Problem) -> Freedom {
Dec 14 10:34:11.858 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:11.858 INFO [stderr] 
Dec 14 10:34:11.858 INFO [stderr] warning: function is never used: `sanity_check`
Dec 14 10:34:11.858 INFO [stderr]   --> src/freedom.rs:52:1
Dec 14 10:34:11.858 INFO [stderr]    |
Dec 14 10:34:11.858 INFO [stderr] 52 | fn sanity_check(problem: &Problem, freedom: &Freedom) -> bool {
Dec 14 10:34:11.858 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:11.858 INFO [stderr] 
Dec 14 10:34:11.858 INFO [stderr] warning: function is never used: `search_least_free`
Dec 14 10:34:11.858 INFO [stderr]   --> src/freedom.rs:63:1
Dec 14 10:34:11.858 INFO [stderr]    |
Dec 14 10:34:11.858 INFO [stderr] 63 | fn search_least_free(problem: &Problem, freedom: &Freedom) -> u16 {
Dec 14 10:34:11.858 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 10:34:11.858 INFO [stderr] 
Dec 14 10:34:11.858 INFO [stderr] warning: struct is never constructed: `Problem`
Dec 14 10:34:11.858 INFO [stderr]  --> src/problem.rs:1:1
Dec 14 10:34:11.858 INFO [stderr]   |
Dec 14 10:34:11.858 INFO [stderr] 1 | pub struct Problem {
Dec 14 10:34:11.858 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 14 10:34:11.858 INFO [stderr] 
Dec 14 10:34:12.061 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 14 10:34:12.064 INFO [stderr] su: No module specific data is present
Dec 14 10:34:12.320 INFO running `"docker" "inspect" "dbfb5b4b3d358fadb9ca31a35b63e9adb75cdd9bfea373c2a0aafad37f6545bb"`
Dec 14 10:34:12.432 INFO running `"docker" "rm" "-f" "dbfb5b4b3d358fadb9ca31a35b63e9adb75cdd9bfea373c2a0aafad37f6545bb"`
Dec 14 10:34:12.543 INFO [stdout] dbfb5b4b3d358fadb9ca31a35b63e9adb75cdd9bfea373c2a0aafad37f6545bb
Dec 14 10:34:12.544 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 14 10:34:12.769 INFO [stdout] 3d494c02202796981c219e2a09c622e38a8b1500b4cc2fd25229c32cbb472e90
Dec 14 10:34:12.773 INFO running `"docker" "start" "-a" "3d494c02202796981c219e2a09c622e38a8b1500b4cc2fd25229c32cbb472e90"`
Dec 14 10:34:13.205 INFO [stderr] usermod: no changes
Dec 14 10:34:13.233 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 10:34:13.234 INFO [stderr]      Running /target/debug/deps/sudoku_generator-650ba5e175631682
Dec 14 10:34:13.236 INFO [stdout] 
Dec 14 10:34:13.236 INFO [stdout] running 0 tests
Dec 14 10:34:13.236 INFO [stdout] 
Dec 14 10:34:13.236 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 10:34:13.236 INFO [stdout] 
Dec 14 10:34:13.238 INFO [stderr] su: No module specific data is present
Dec 14 10:34:13.500 INFO running `"docker" "inspect" "3d494c02202796981c219e2a09c622e38a8b1500b4cc2fd25229c32cbb472e90"`
Dec 14 10:34:13.577 INFO running `"docker" "rm" "-f" "3d494c02202796981c219e2a09c622e38a8b1500b4cc2fd25229c32cbb472e90"`
Dec 14 10:34:13.663 INFO [stdout] 3d494c02202796981c219e2a09c622e38a8b1500b4cc2fd25229c32cbb472e90