Dec 02 07:56:06.201 INFO testing ErikPartridge/sudoku-generator against 1.30.1 for beta-1.31-5
Dec 02 07:56:06.201 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 07:56:06.359 INFO [stdout] fc51b321e0ba2bb683f21f9d7451b06c480b446b5644cb0ed718e39640f9100e
Dec 02 07:56:06.361 INFO running `"docker" "start" "-a" "fc51b321e0ba2bb683f21f9d7451b06c480b446b5644cb0ed718e39640f9100e"`
Dec 02 07:56:06.709 INFO [stderr] usermod: no changes
Dec 02 07:56:06.743 INFO [stderr]    Compiling sudoku-generator v0.1.0 (/source)
Dec 02 07:56:07.159 INFO [stderr] warning: unused import: `freedom::Freedom`
Dec 02 07:56:07.160 INFO [stderr]  --> src/main.rs:3:5
Dec 02 07:56:07.160 INFO [stderr]   |
Dec 02 07:56:07.160 INFO [stderr] 3 | use freedom::Freedom;
Dec 02 07:56:07.160 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 02 07:56:07.160 INFO [stderr]   |
Dec 02 07:56:07.160 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 07:56:07.160 INFO [stderr] 
Dec 02 07:56:07.160 INFO [stderr] warning: unused import: `problem::Problem`
Dec 02 07:56:07.160 INFO [stderr]  --> src/main.rs:4:5
Dec 02 07:56:07.160 INFO [stderr]   |
Dec 02 07:56:07.160 INFO [stderr] 4 | use problem::Problem;
Dec 02 07:56:07.160 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 02 07:56:07.160 INFO [stderr] 
Dec 02 07:56:07.215 INFO [stderr] warning: unused variable: `j`
Dec 02 07:56:07.215 INFO [stderr]   --> src/freedom.rs:28:9
Dec 02 07:56:07.215 INFO [stderr]    |
Dec 02 07:56:07.215 INFO [stderr] 28 |     for j in 0..3 {
Dec 02 07:56:07.215 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 02 07:56:07.215 INFO [stderr]    |
Dec 02 07:56:07.215 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 07:56:07.215 INFO [stderr] 
Dec 02 07:56:07.220 INFO [stderr] warning: constant item is never used: `ORDER`
Dec 02 07:56:07.220 INFO [stderr]  --> src/freedom.rs:1:1
Dec 02 07:56:07.220 INFO [stderr]   |
Dec 02 07:56:07.220 INFO [stderr] 1 | const ORDER: u8 = 3;
Dec 02 07:56:07.220 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:07.220 INFO [stderr]   |
Dec 02 07:56:07.220 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 07:56:07.220 INFO [stderr] 
Dec 02 07:56:07.220 INFO [stderr] warning: constant item is never used: `DIM`
Dec 02 07:56:07.220 INFO [stderr]  --> src/freedom.rs:2:1
Dec 02 07:56:07.220 INFO [stderr]   |
Dec 02 07:56:07.220 INFO [stderr] 2 | const DIM: u8 = ORDER * ORDER;
Dec 02 07:56:07.220 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:07.220 INFO [stderr] 
Dec 02 07:56:07.220 INFO [stderr] warning: constant item is never used: `ELEMENTS`
Dec 02 07:56:07.220 INFO [stderr]  --> src/freedom.rs:3:1
Dec 02 07:56:07.220 INFO [stderr]   |
Dec 02 07:56:07.220 INFO [stderr] 3 | const ELEMENTS: u8 = DIM * DIM;
Dec 02 07:56:07.220 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:07.220 INFO [stderr] 
Dec 02 07:56:07.220 INFO [stderr] warning: constant item is never used: `ALL_VALUES`
Dec 02 07:56:07.221 INFO [stderr]  --> src/freedom.rs:4:1
Dec 02 07:56:07.221 INFO [stderr]   |
Dec 02 07:56:07.221 INFO [stderr] 4 | const ALL_VALUES: u16 = (1 << DIM) - 1;
Dec 02 07:56:07.221 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:07.221 INFO [stderr] 
Dec 02 07:56:07.221 INFO [stderr] warning: struct is never constructed: `Freedom`
Dec 02 07:56:07.221 INFO [stderr]  --> src/freedom.rs:7:1
Dec 02 07:56:07.221 INFO [stderr]   |
Dec 02 07:56:07.221 INFO [stderr] 7 | pub struct Freedom {
Dec 02 07:56:07.221 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 02 07:56:07.221 INFO [stderr] 
Dec 02 07:56:07.221 INFO [stderr] warning: function is never used: `singleton`
Dec 02 07:56:07.221 INFO [stderr]   --> src/freedom.rs:11:1
Dec 02 07:56:07.221 INFO [stderr]    |
Dec 02 07:56:07.221 INFO [stderr] 11 | fn singleton(v: u16) -> u16 {
Dec 02 07:56:07.221 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:07.221 INFO [stderr] 
Dec 02 07:56:07.221 INFO [stderr] warning: function is never used: `freedom_eliminate`
Dec 02 07:56:07.221 INFO [stderr]   --> src/freedom.rs:16:1
Dec 02 07:56:07.221 INFO [stderr]    |
Dec 02 07:56:07.221 INFO [stderr] 16 | fn freedom_eliminate(f: &Freedom, col: u16, row: u16, value: u16) -> Freedom {
Dec 02 07:56:07.221 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:07.221 INFO [stderr] 
Dec 02 07:56:07.221 INFO [stderr] warning: function is never used: `create_freedom`
Dec 02 07:56:07.221 INFO [stderr]   --> src/freedom.rs:38:1
Dec 02 07:56:07.221 INFO [stderr]    |
Dec 02 07:56:07.221 INFO [stderr] 38 | fn create_freedom(problem: &Problem) -> Freedom {
Dec 02 07:56:07.221 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:07.221 INFO [stderr] 
Dec 02 07:56:07.221 INFO [stderr] warning: function is never used: `sanity_check`
Dec 02 07:56:07.221 INFO [stderr]   --> src/freedom.rs:52:1
Dec 02 07:56:07.221 INFO [stderr]    |
Dec 02 07:56:07.221 INFO [stderr] 52 | fn sanity_check(problem: &Problem, freedom: &Freedom) -> bool {
Dec 02 07:56:07.221 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:07.221 INFO [stderr] 
Dec 02 07:56:07.221 INFO [stderr] warning: function is never used: `search_least_free`
Dec 02 07:56:07.221 INFO [stderr]   --> src/freedom.rs:63:1
Dec 02 07:56:07.221 INFO [stderr]    |
Dec 02 07:56:07.221 INFO [stderr] 63 | fn search_least_free(problem: &Problem, freedom: &Freedom) -> u16 {
Dec 02 07:56:07.221 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:07.221 INFO [stderr] 
Dec 02 07:56:07.221 INFO [stderr] warning: struct is never constructed: `Problem`
Dec 02 07:56:07.221 INFO [stderr]  --> src/problem.rs:1:1
Dec 02 07:56:07.221 INFO [stderr]   |
Dec 02 07:56:07.221 INFO [stderr] 1 | pub struct Problem {
Dec 02 07:56:07.221 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 02 07:56:07.221 INFO [stderr] 
Dec 02 07:56:07.489 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 02 07:56:07.491 INFO [stderr] su: No module specific data is present
Dec 02 07:56:07.738 INFO running `"docker" "inspect" "fc51b321e0ba2bb683f21f9d7451b06c480b446b5644cb0ed718e39640f9100e"`
Dec 02 07:56:07.879 INFO running `"docker" "rm" "-f" "fc51b321e0ba2bb683f21f9d7451b06c480b446b5644cb0ed718e39640f9100e"`
Dec 02 07:56:08.019 INFO [stdout] fc51b321e0ba2bb683f21f9d7451b06c480b446b5644cb0ed718e39640f9100e
Dec 02 07:56:08.021 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 07:56:08.266 INFO [stdout] e53ef35c5de2e0498ea8512cb0d9a503fa6665170722c8eae31d2e5070ae5852
Dec 02 07:56:08.270 INFO running `"docker" "start" "-a" "e53ef35c5de2e0498ea8512cb0d9a503fa6665170722c8eae31d2e5070ae5852"`
Dec 02 07:56:08.712 INFO [stderr] usermod: no changes
Dec 02 07:56:08.754 INFO [stderr]    Compiling sudoku-generator v0.1.0 (/source)
Dec 02 07:56:09.386 INFO [stderr] warning: unused import: `freedom::Freedom`
Dec 02 07:56:09.386 INFO [stderr]  --> src/main.rs:3:5
Dec 02 07:56:09.386 INFO [stderr]   |
Dec 02 07:56:09.386 INFO [stderr] 3 | use freedom::Freedom;
Dec 02 07:56:09.386 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 02 07:56:09.386 INFO [stderr]   |
Dec 02 07:56:09.386 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 07:56:09.386 INFO [stderr] 
Dec 02 07:56:09.386 INFO [stderr] warning: unused import: `problem::Problem`
Dec 02 07:56:09.386 INFO [stderr]  --> src/main.rs:4:5
Dec 02 07:56:09.386 INFO [stderr]   |
Dec 02 07:56:09.386 INFO [stderr] 4 | use problem::Problem;
Dec 02 07:56:09.386 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 02 07:56:09.386 INFO [stderr] 
Dec 02 07:56:09.441 INFO [stderr] warning: unused variable: `j`
Dec 02 07:56:09.441 INFO [stderr]   --> src/freedom.rs:28:9
Dec 02 07:56:09.441 INFO [stderr]    |
Dec 02 07:56:09.441 INFO [stderr] 28 |     for j in 0..3 {
Dec 02 07:56:09.441 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 02 07:56:09.441 INFO [stderr]    |
Dec 02 07:56:09.441 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 07:56:09.441 INFO [stderr] 
Dec 02 07:56:09.447 INFO [stderr] warning: constant item is never used: `ORDER`
Dec 02 07:56:09.447 INFO [stderr]  --> src/freedom.rs:1:1
Dec 02 07:56:09.447 INFO [stderr]   |
Dec 02 07:56:09.447 INFO [stderr] 1 | const ORDER: u8 = 3;
Dec 02 07:56:09.447 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:09.447 INFO [stderr]   |
Dec 02 07:56:09.447 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 02 07:56:09.447 INFO [stderr] 
Dec 02 07:56:09.447 INFO [stderr] warning: constant item is never used: `DIM`
Dec 02 07:56:09.447 INFO [stderr]  --> src/freedom.rs:2:1
Dec 02 07:56:09.447 INFO [stderr]   |
Dec 02 07:56:09.447 INFO [stderr] 2 | const DIM: u8 = ORDER * ORDER;
Dec 02 07:56:09.447 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:09.447 INFO [stderr] 
Dec 02 07:56:09.447 INFO [stderr] warning: constant item is never used: `ELEMENTS`
Dec 02 07:56:09.447 INFO [stderr]  --> src/freedom.rs:3:1
Dec 02 07:56:09.447 INFO [stderr]   |
Dec 02 07:56:09.447 INFO [stderr] 3 | const ELEMENTS: u8 = DIM * DIM;
Dec 02 07:56:09.447 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:09.447 INFO [stderr] 
Dec 02 07:56:09.447 INFO [stderr] warning: constant item is never used: `ALL_VALUES`
Dec 02 07:56:09.447 INFO [stderr]  --> src/freedom.rs:4:1
Dec 02 07:56:09.447 INFO [stderr]   |
Dec 02 07:56:09.447 INFO [stderr] 4 | const ALL_VALUES: u16 = (1 << DIM) - 1;
Dec 02 07:56:09.447 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:09.447 INFO [stderr] 
Dec 02 07:56:09.447 INFO [stderr] warning: struct is never constructed: `Freedom`
Dec 02 07:56:09.447 INFO [stderr]  --> src/freedom.rs:7:1
Dec 02 07:56:09.447 INFO [stderr]   |
Dec 02 07:56:09.447 INFO [stderr] 7 | pub struct Freedom {
Dec 02 07:56:09.447 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 02 07:56:09.447 INFO [stderr] 
Dec 02 07:56:09.447 INFO [stderr] warning: function is never used: `singleton`
Dec 02 07:56:09.447 INFO [stderr]   --> src/freedom.rs:11:1
Dec 02 07:56:09.447 INFO [stderr]    |
Dec 02 07:56:09.447 INFO [stderr] 11 | fn singleton(v: u16) -> u16 {
Dec 02 07:56:09.447 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:09.447 INFO [stderr] 
Dec 02 07:56:09.447 INFO [stderr] warning: function is never used: `freedom_eliminate`
Dec 02 07:56:09.447 INFO [stderr]   --> src/freedom.rs:16:1
Dec 02 07:56:09.447 INFO [stderr]    |
Dec 02 07:56:09.447 INFO [stderr] 16 | fn freedom_eliminate(f: &Freedom, col: u16, row: u16, value: u16) -> Freedom {
Dec 02 07:56:09.447 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:09.447 INFO [stderr] 
Dec 02 07:56:09.447 INFO [stderr] warning: function is never used: `create_freedom`
Dec 02 07:56:09.447 INFO [stderr]   --> src/freedom.rs:38:1
Dec 02 07:56:09.447 INFO [stderr]    |
Dec 02 07:56:09.447 INFO [stderr] 38 | fn create_freedom(problem: &Problem) -> Freedom {
Dec 02 07:56:09.447 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:09.447 INFO [stderr] 
Dec 02 07:56:09.447 INFO [stderr] warning: function is never used: `sanity_check`
Dec 02 07:56:09.447 INFO [stderr]   --> src/freedom.rs:52:1
Dec 02 07:56:09.447 INFO [stderr]    |
Dec 02 07:56:09.447 INFO [stderr] 52 | fn sanity_check(problem: &Problem, freedom: &Freedom) -> bool {
Dec 02 07:56:09.447 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:09.447 INFO [stderr] 
Dec 02 07:56:09.447 INFO [stderr] warning: function is never used: `search_least_free`
Dec 02 07:56:09.447 INFO [stderr]   --> src/freedom.rs:63:1
Dec 02 07:56:09.447 INFO [stderr]    |
Dec 02 07:56:09.447 INFO [stderr] 63 | fn search_least_free(problem: &Problem, freedom: &Freedom) -> u16 {
Dec 02 07:56:09.447 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:56:09.447 INFO [stderr] 
Dec 02 07:56:09.447 INFO [stderr] warning: struct is never constructed: `Problem`
Dec 02 07:56:09.447 INFO [stderr]  --> src/problem.rs:1:1
Dec 02 07:56:09.447 INFO [stderr]   |
Dec 02 07:56:09.447 INFO [stderr] 1 | pub struct Problem {
Dec 02 07:56:09.447 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 02 07:56:09.447 INFO [stderr] 
Dec 02 07:56:09.737 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Dec 02 07:56:09.740 INFO [stderr] su: No module specific data is present
Dec 02 07:56:09.997 INFO running `"docker" "inspect" "e53ef35c5de2e0498ea8512cb0d9a503fa6665170722c8eae31d2e5070ae5852"`
Dec 02 07:56:10.117 INFO running `"docker" "rm" "-f" "e53ef35c5de2e0498ea8512cb0d9a503fa6665170722c8eae31d2e5070ae5852"`
Dec 02 07:56:10.234 INFO [stdout] e53ef35c5de2e0498ea8512cb0d9a503fa6665170722c8eae31d2e5070ae5852
Dec 02 07:56:10.237 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 07:56:10.418 INFO [stdout] 4861123c426f3f5f54361e289b80003a386a1023253170cd390a8e4db0152d6f
Dec 02 07:56:10.420 INFO running `"docker" "start" "-a" "4861123c426f3f5f54361e289b80003a386a1023253170cd390a8e4db0152d6f"`
Dec 02 07:56:10.807 INFO [stderr] usermod: no changes
Dec 02 07:56:10.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 02 07:56:10.841 INFO [stderr]      Running /target/debug/deps/sudoku_generator-bb1e1efddd1c6951
Dec 02 07:56:10.843 INFO [stdout] 
Dec 02 07:56:10.843 INFO [stdout] running 0 tests
Dec 02 07:56:10.843 INFO [stdout] 
Dec 02 07:56:10.843 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 02 07:56:10.843 INFO [stdout] 
Dec 02 07:56:10.844 INFO [stderr] su: No module specific data is present
Dec 02 07:56:11.104 INFO running `"docker" "inspect" "4861123c426f3f5f54361e289b80003a386a1023253170cd390a8e4db0152d6f"`
Dec 02 07:56:11.216 INFO running `"docker" "rm" "-f" "4861123c426f3f5f54361e289b80003a386a1023253170cd390a8e4db0152d6f"`
Dec 02 07:56:11.300 INFO [stdout] 4861123c426f3f5f54361e289b80003a386a1023253170cd390a8e4db0152d6f
