Dec 06 14:12:47.825 INFO testing ErikPartridge/sudoku-generator against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 14:12:47.825 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 14:12:47.974 INFO [stdout] d694382dd6d860fb5cd8ca43d49794d0b1a1f8555a08bc631c15f9ee2da789bb
Dec 06 14:12:47.975 INFO running `"docker" "start" "-a" "d694382dd6d860fb5cd8ca43d49794d0b1a1f8555a08bc631c15f9ee2da789bb"`
Dec 06 14:12:48.290 INFO [stderr] usermod: no changes
Dec 06 14:12:48.330 INFO [stderr]    Compiling sudoku-generator v0.1.0 (/source)
Dec 06 14:12:48.664 INFO [stderr] warning: unused import: `freedom::Freedom`
Dec 06 14:12:48.664 INFO [stderr]  --> src/main.rs:3:5
Dec 06 14:12:48.664 INFO [stderr]   |
Dec 06 14:12:48.664 INFO [stderr] 3 | use freedom::Freedom;
Dec 06 14:12:48.664 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 06 14:12:48.664 INFO [stderr]   |
Dec 06 14:12:48.664 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 14:12:48.664 INFO [stderr] 
Dec 06 14:12:48.664 INFO [stderr] warning: unused import: `problem::Problem`
Dec 06 14:12:48.664 INFO [stderr]  --> src/main.rs:4:5
Dec 06 14:12:48.664 INFO [stderr]   |
Dec 06 14:12:48.664 INFO [stderr] 4 | use problem::Problem;
Dec 06 14:12:48.664 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 06 14:12:48.664 INFO [stderr] 
Dec 06 14:12:48.697 INFO [stderr] warning: unused variable: `j`
Dec 06 14:12:48.697 INFO [stderr]   --> src/freedom.rs:28:9
Dec 06 14:12:48.697 INFO [stderr]    |
Dec 06 14:12:48.697 INFO [stderr] 28 |     for j in 0..3 {
Dec 06 14:12:48.697 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 06 14:12:48.697 INFO [stderr]    |
Dec 06 14:12:48.697 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 14:12:48.697 INFO [stderr] 
Dec 06 14:12:48.703 INFO [stderr] warning: constant item is never used: `ORDER`
Dec 06 14:12:48.703 INFO [stderr]  --> src/freedom.rs:1:1
Dec 06 14:12:48.703 INFO [stderr]   |
Dec 06 14:12:48.703 INFO [stderr] 1 | const ORDER: u8 = 3;
Dec 06 14:12:48.703 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.703 INFO [stderr]   |
Dec 06 14:12:48.703 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 14:12:48.703 INFO [stderr] 
Dec 06 14:12:48.703 INFO [stderr] warning: constant item is never used: `DIM`
Dec 06 14:12:48.703 INFO [stderr]  --> src/freedom.rs:2:1
Dec 06 14:12:48.703 INFO [stderr]   |
Dec 06 14:12:48.703 INFO [stderr] 2 | const DIM: u8 = ORDER * ORDER;
Dec 06 14:12:48.703 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.703 INFO [stderr] 
Dec 06 14:12:48.703 INFO [stderr] warning: constant item is never used: `ELEMENTS`
Dec 06 14:12:48.703 INFO [stderr]  --> src/freedom.rs:3:1
Dec 06 14:12:48.703 INFO [stderr]   |
Dec 06 14:12:48.703 INFO [stderr] 3 | const ELEMENTS: u8 = DIM * DIM;
Dec 06 14:12:48.703 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.703 INFO [stderr] 
Dec 06 14:12:48.703 INFO [stderr] warning: constant item is never used: `ALL_VALUES`
Dec 06 14:12:48.703 INFO [stderr]  --> src/freedom.rs:4:1
Dec 06 14:12:48.703 INFO [stderr]   |
Dec 06 14:12:48.703 INFO [stderr] 4 | const ALL_VALUES: u16 = (1 << DIM) - 1;
Dec 06 14:12:48.703 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.703 INFO [stderr] 
Dec 06 14:12:48.703 INFO [stderr] warning: struct is never constructed: `Freedom`
Dec 06 14:12:48.703 INFO [stderr]  --> src/freedom.rs:7:1
Dec 06 14:12:48.703 INFO [stderr]   |
Dec 06 14:12:48.703 INFO [stderr] 7 | pub struct Freedom {
Dec 06 14:12:48.703 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.703 INFO [stderr] 
Dec 06 14:12:48.703 INFO [stderr] warning: function is never used: `singleton`
Dec 06 14:12:48.703 INFO [stderr]   --> src/freedom.rs:11:1
Dec 06 14:12:48.703 INFO [stderr]    |
Dec 06 14:12:48.703 INFO [stderr] 11 | fn singleton(v: u16) -> u16 {
Dec 06 14:12:48.703 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.703 INFO [stderr] 
Dec 06 14:12:48.703 INFO [stderr] warning: function is never used: `freedom_eliminate`
Dec 06 14:12:48.703 INFO [stderr]   --> src/freedom.rs:16:1
Dec 06 14:12:48.703 INFO [stderr]    |
Dec 06 14:12:48.703 INFO [stderr] 16 | fn freedom_eliminate(f: &Freedom, col: u16, row: u16, value: u16) -> Freedom {
Dec 06 14:12:48.703 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.703 INFO [stderr] 
Dec 06 14:12:48.703 INFO [stderr] warning: function is never used: `create_freedom`
Dec 06 14:12:48.703 INFO [stderr]   --> src/freedom.rs:38:1
Dec 06 14:12:48.703 INFO [stderr]    |
Dec 06 14:12:48.703 INFO [stderr] 38 | fn create_freedom(problem: &Problem) -> Freedom {
Dec 06 14:12:48.703 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.703 INFO [stderr] 
Dec 06 14:12:48.703 INFO [stderr] warning: function is never used: `sanity_check`
Dec 06 14:12:48.703 INFO [stderr]   --> src/freedom.rs:52:1
Dec 06 14:12:48.703 INFO [stderr]    |
Dec 06 14:12:48.703 INFO [stderr] 52 | fn sanity_check(problem: &Problem, freedom: &Freedom) -> bool {
Dec 06 14:12:48.703 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.703 INFO [stderr] 
Dec 06 14:12:48.703 INFO [stderr] warning: function is never used: `search_least_free`
Dec 06 14:12:48.703 INFO [stderr]   --> src/freedom.rs:63:1
Dec 06 14:12:48.703 INFO [stderr]    |
Dec 06 14:12:48.703 INFO [stderr] 63 | fn search_least_free(problem: &Problem, freedom: &Freedom) -> u16 {
Dec 06 14:12:48.703 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.703 INFO [stderr] 
Dec 06 14:12:48.703 INFO [stderr] warning: struct is never constructed: `Problem`
Dec 06 14:12:48.703 INFO [stderr]  --> src/problem.rs:1:1
Dec 06 14:12:48.703 INFO [stderr]   |
Dec 06 14:12:48.703 INFO [stderr] 1 | pub struct Problem {
Dec 06 14:12:48.703 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 06 14:12:48.703 INFO [stderr] 
Dec 06 14:12:48.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Dec 06 14:12:48.843 INFO [stderr] su: No module specific data is present
Dec 06 14:12:49.146 INFO running `"docker" "inspect" "d694382dd6d860fb5cd8ca43d49794d0b1a1f8555a08bc631c15f9ee2da789bb"`
Dec 06 14:12:49.260 INFO running `"docker" "rm" "-f" "d694382dd6d860fb5cd8ca43d49794d0b1a1f8555a08bc631c15f9ee2da789bb"`
Dec 06 14:12:49.384 INFO [stdout] d694382dd6d860fb5cd8ca43d49794d0b1a1f8555a08bc631c15f9ee2da789bb
Dec 06 14:12:49.386 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 14:12:49.622 INFO [stdout] c58b32690099cdf5648fa006cc36232ed9f1cec263f43cb1b16fa13fb43d8e04
Dec 06 14:12:49.626 INFO running `"docker" "start" "-a" "c58b32690099cdf5648fa006cc36232ed9f1cec263f43cb1b16fa13fb43d8e04"`
Dec 06 14:12:50.104 INFO [stderr] usermod: no changes
Dec 06 14:12:50.140 INFO [stderr]    Compiling sudoku-generator v0.1.0 (/source)
Dec 06 14:12:50.572 INFO [stderr] warning: unused import: `freedom::Freedom`
Dec 06 14:12:50.572 INFO [stderr]  --> src/main.rs:3:5
Dec 06 14:12:50.572 INFO [stderr]   |
Dec 06 14:12:50.572 INFO [stderr] 3 | use freedom::Freedom;
Dec 06 14:12:50.572 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 06 14:12:50.572 INFO [stderr]   |
Dec 06 14:12:50.572 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 14:12:50.572 INFO [stderr] 
Dec 06 14:12:50.572 INFO [stderr] warning: unused import: `problem::Problem`
Dec 06 14:12:50.572 INFO [stderr]  --> src/main.rs:4:5
Dec 06 14:12:50.572 INFO [stderr]   |
Dec 06 14:12:50.572 INFO [stderr] 4 | use problem::Problem;
Dec 06 14:12:50.572 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 06 14:12:50.572 INFO [stderr] 
Dec 06 14:12:50.613 INFO [stderr] warning: unused variable: `j`
Dec 06 14:12:50.613 INFO [stderr]   --> src/freedom.rs:28:9
Dec 06 14:12:50.613 INFO [stderr]    |
Dec 06 14:12:50.613 INFO [stderr] 28 |     for j in 0..3 {
Dec 06 14:12:50.613 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 06 14:12:50.613 INFO [stderr]    |
Dec 06 14:12:50.613 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 14:12:50.613 INFO [stderr] 
Dec 06 14:12:50.618 INFO [stderr] warning: constant item is never used: `ORDER`
Dec 06 14:12:50.618 INFO [stderr]  --> src/freedom.rs:1:1
Dec 06 14:12:50.618 INFO [stderr]   |
Dec 06 14:12:50.618 INFO [stderr] 1 | const ORDER: u8 = 3;
Dec 06 14:12:50.618 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:50.618 INFO [stderr]   |
Dec 06 14:12:50.618 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 14:12:50.618 INFO [stderr] 
Dec 06 14:12:50.618 INFO [stderr] warning: constant item is never used: `DIM`
Dec 06 14:12:50.618 INFO [stderr]  --> src/freedom.rs:2:1
Dec 06 14:12:50.618 INFO [stderr]   |
Dec 06 14:12:50.618 INFO [stderr] 2 | const DIM: u8 = ORDER * ORDER;
Dec 06 14:12:50.618 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:50.618 INFO [stderr] 
Dec 06 14:12:50.618 INFO [stderr] warning: constant item is never used: `ELEMENTS`
Dec 06 14:12:50.618 INFO [stderr]  --> src/freedom.rs:3:1
Dec 06 14:12:50.618 INFO [stderr]   |
Dec 06 14:12:50.618 INFO [stderr] 3 | const ELEMENTS: u8 = DIM * DIM;
Dec 06 14:12:50.618 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:50.618 INFO [stderr] 
Dec 06 14:12:50.618 INFO [stderr] warning: constant item is never used: `ALL_VALUES`
Dec 06 14:12:50.618 INFO [stderr]  --> src/freedom.rs:4:1
Dec 06 14:12:50.618 INFO [stderr]   |
Dec 06 14:12:50.618 INFO [stderr] 4 | const ALL_VALUES: u16 = (1 << DIM) - 1;
Dec 06 14:12:50.618 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:50.618 INFO [stderr] 
Dec 06 14:12:50.618 INFO [stderr] warning: struct is never constructed: `Freedom`
Dec 06 14:12:50.618 INFO [stderr]  --> src/freedom.rs:7:1
Dec 06 14:12:50.618 INFO [stderr]   |
Dec 06 14:12:50.618 INFO [stderr] 7 | pub struct Freedom {
Dec 06 14:12:50.618 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 06 14:12:50.618 INFO [stderr] 
Dec 06 14:12:50.620 INFO [stderr] warning: function is never used: `singleton`
Dec 06 14:12:50.620 INFO [stderr]   --> src/freedom.rs:11:1
Dec 06 14:12:50.620 INFO [stderr]    |
Dec 06 14:12:50.620 INFO [stderr] 11 | fn singleton(v: u16) -> u16 {
Dec 06 14:12:50.620 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:50.620 INFO [stderr] 
Dec 06 14:12:50.620 INFO [stderr] warning: function is never used: `freedom_eliminate`
Dec 06 14:12:50.620 INFO [stderr]   --> src/freedom.rs:16:1
Dec 06 14:12:50.620 INFO [stderr]    |
Dec 06 14:12:50.620 INFO [stderr] 16 | fn freedom_eliminate(f: &Freedom, col: u16, row: u16, value: u16) -> Freedom {
Dec 06 14:12:50.620 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:50.620 INFO [stderr] 
Dec 06 14:12:50.620 INFO [stderr] warning: function is never used: `create_freedom`
Dec 06 14:12:50.620 INFO [stderr]   --> src/freedom.rs:38:1
Dec 06 14:12:50.620 INFO [stderr]    |
Dec 06 14:12:50.620 INFO [stderr] 38 | fn create_freedom(problem: &Problem) -> Freedom {
Dec 06 14:12:50.620 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:50.620 INFO [stderr] 
Dec 06 14:12:50.620 INFO [stderr] warning: function is never used: `sanity_check`
Dec 06 14:12:50.620 INFO [stderr]   --> src/freedom.rs:52:1
Dec 06 14:12:50.620 INFO [stderr]    |
Dec 06 14:12:50.620 INFO [stderr] 52 | fn sanity_check(problem: &Problem, freedom: &Freedom) -> bool {
Dec 06 14:12:50.620 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:50.621 INFO [stderr] 
Dec 06 14:12:50.621 INFO [stderr] warning: function is never used: `search_least_free`
Dec 06 14:12:50.621 INFO [stderr]   --> src/freedom.rs:63:1
Dec 06 14:12:50.621 INFO [stderr]    |
Dec 06 14:12:50.621 INFO [stderr] 63 | fn search_least_free(problem: &Problem, freedom: &Freedom) -> u16 {
Dec 06 14:12:50.621 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 14:12:50.621 INFO [stderr] 
Dec 06 14:12:50.621 INFO [stderr] warning: struct is never constructed: `Problem`
Dec 06 14:12:50.621 INFO [stderr]  --> src/problem.rs:1:1
Dec 06 14:12:50.621 INFO [stderr]   |
Dec 06 14:12:50.621 INFO [stderr] 1 | pub struct Problem {
Dec 06 14:12:50.621 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 06 14:12:50.621 INFO [stderr] 
Dec 06 14:12:50.820 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 06 14:12:50.823 INFO [stderr] su: No module specific data is present
Dec 06 14:12:51.054 INFO running `"docker" "inspect" "c58b32690099cdf5648fa006cc36232ed9f1cec263f43cb1b16fa13fb43d8e04"`
Dec 06 14:12:51.132 INFO running `"docker" "rm" "-f" "c58b32690099cdf5648fa006cc36232ed9f1cec263f43cb1b16fa13fb43d8e04"`
Dec 06 14:12:51.243 INFO [stdout] c58b32690099cdf5648fa006cc36232ed9f1cec263f43cb1b16fa13fb43d8e04
Dec 06 14:12:51.250 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 14:12:51.391 INFO [stdout] 00c0e7aab40372620e56de4af644be947a0a1aca6a78e92d950164288689a054
Dec 06 14:12:51.398 INFO running `"docker" "start" "-a" "00c0e7aab40372620e56de4af644be947a0a1aca6a78e92d950164288689a054"`
Dec 06 14:12:51.937 INFO [stderr] usermod: no changes
Dec 06 14:12:51.989 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 06 14:12:51.989 INFO [stderr]      Running /target/debug/deps/sudoku_generator-c98ca54069a1fd0f
Dec 06 14:12:51.989 INFO [stdout] 
Dec 06 14:12:51.989 INFO [stdout] running 0 tests
Dec 06 14:12:51.989 INFO [stdout] 
Dec 06 14:12:51.989 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 14:12:51.989 INFO [stdout] 
Dec 06 14:12:51.992 INFO [stderr] su: No module specific data is present
Dec 06 14:12:52.347 INFO running `"docker" "inspect" "00c0e7aab40372620e56de4af644be947a0a1aca6a78e92d950164288689a054"`
Dec 06 14:12:52.498 INFO running `"docker" "rm" "-f" "00c0e7aab40372620e56de4af644be947a0a1aca6a78e92d950164288689a054"`
Dec 06 14:12:52.562 INFO [stdout] 00c0e7aab40372620e56de4af644be947a0a1aca6a78e92d950164288689a054