Nov 07 05:02:31.840 INFO checking ErikPartridge/sudoku-generator against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 05:02:31.840 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-3/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 05:02:32.216 INFO blam! 05704dfbc4fbe3cf09ba904bed19b81f17bdb1bf172a13a7ce75585f693397bd
Nov 07 05:02:32.228 INFO running `"docker" "start" "-a" "05704dfbc4fbe3cf09ba904bed19b81f17bdb1bf172a13a7ce75585f693397bd"`
Nov 07 05:02:33.388 INFO kablam! usermod: no changes
Nov 07 05:02:33.435 INFO kablam!     Checking sudoku-generator v0.1.0 (/source)
Nov 07 05:02:34.025 INFO kablam! warning: unused import: `freedom::Freedom`
Nov 07 05:02:34.025 INFO kablam!  --> src/main.rs:3:5
Nov 07 05:02:34.025 INFO kablam!   |
Nov 07 05:02:34.025 INFO kablam! 3 | use freedom::Freedom;
Nov 07 05:02:34.025 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Nov 07 05:02:34.025 INFO kablam!   |
Nov 07 05:02:34.025 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 07 05:02:34.025 INFO kablam! 
Nov 07 05:02:34.025 INFO kablam! warning: unused import: `problem::Problem`
Nov 07 05:02:34.025 INFO kablam!  --> src/main.rs:4:5
Nov 07 05:02:34.025 INFO kablam!   |
Nov 07 05:02:34.025 INFO kablam! 4 | use problem::Problem;
Nov 07 05:02:34.026 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Nov 07 05:02:34.026 INFO kablam! 
Nov 07 05:02:34.112 INFO kablam! warning: unused import: `freedom::Freedom`
Nov 07 05:02:34.112 INFO kablam!  --> src/main.rs:3:5
Nov 07 05:02:34.112 INFO kablam!   |
Nov 07 05:02:34.112 INFO kablam! 3 | use freedom::Freedom;
Nov 07 05:02:34.112 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Nov 07 05:02:34.112 INFO kablam!   |
Nov 07 05:02:34.112 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 07 05:02:34.112 INFO kablam! 
Nov 07 05:02:34.112 INFO kablam! warning: unused import: `problem::Problem`
Nov 07 05:02:34.112 INFO kablam!  --> src/main.rs:4:5
Nov 07 05:02:34.112 INFO kablam!   |
Nov 07 05:02:34.112 INFO kablam! 4 | use problem::Problem;
Nov 07 05:02:34.112 INFO kablam!   |     ^^^^^^^^^^^^^^^^
Nov 07 05:02:34.112 INFO kablam! 
Nov 07 05:02:34.140 INFO kablam! warning: unused variable: `j`
Nov 07 05:02:34.140 INFO kablam!   --> src/freedom.rs:28:9
Nov 07 05:02:34.140 INFO kablam!    |
Nov 07 05:02:34.140 INFO kablam! 28 |     for j in 0..3 {
Nov 07 05:02:34.140 INFO kablam!    |         ^ help: consider using `_j` instead
Nov 07 05:02:34.140 INFO kablam!    |
Nov 07 05:02:34.140 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 07 05:02:34.140 INFO kablam! 
Nov 07 05:02:34.141 INFO kablam! warning: constant item is never used: `ORDER`
Nov 07 05:02:34.141 INFO kablam!  --> src/freedom.rs:1:1
Nov 07 05:02:34.141 INFO kablam!   |
Nov 07 05:02:34.141 INFO kablam! 1 | const ORDER: u8 = 3;
Nov 07 05:02:34.141 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.141 INFO kablam!   |
Nov 07 05:02:34.141 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 07 05:02:34.141 INFO kablam! 
Nov 07 05:02:34.141 INFO kablam! warning: constant item is never used: `DIM`
Nov 07 05:02:34.141 INFO kablam!  --> src/freedom.rs:2:1
Nov 07 05:02:34.141 INFO kablam!   |
Nov 07 05:02:34.141 INFO kablam! 2 | const DIM: u8 = ORDER * ORDER;
Nov 07 05:02:34.141 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.141 INFO kablam! 
Nov 07 05:02:34.141 INFO kablam! warning: constant item is never used: `ELEMENTS`
Nov 07 05:02:34.141 INFO kablam!  --> src/freedom.rs:3:1
Nov 07 05:02:34.141 INFO kablam!   |
Nov 07 05:02:34.141 INFO kablam! 3 | const ELEMENTS: u8 = DIM * DIM;
Nov 07 05:02:34.141 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.141 INFO kablam! 
Nov 07 05:02:34.141 INFO kablam! warning: constant item is never used: `ALL_VALUES`
Nov 07 05:02:34.141 INFO kablam!  --> src/freedom.rs:4:1
Nov 07 05:02:34.141 INFO kablam!   |
Nov 07 05:02:34.141 INFO kablam! 4 | const ALL_VALUES: u16 = (1 << DIM) - 1;
Nov 07 05:02:34.141 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.141 INFO kablam! 
Nov 07 05:02:34.141 INFO kablam! warning: struct is never constructed: `Freedom`
Nov 07 05:02:34.141 INFO kablam!  --> src/freedom.rs:7:1
Nov 07 05:02:34.141 INFO kablam!   |
Nov 07 05:02:34.141 INFO kablam! 7 | pub struct Freedom {
Nov 07 05:02:34.141 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.141 INFO kablam! 
Nov 07 05:02:34.142 INFO kablam! warning: function is never used: `singleton`
Nov 07 05:02:34.142 INFO kablam!   --> src/freedom.rs:11:1
Nov 07 05:02:34.142 INFO kablam!    |
Nov 07 05:02:34.142 INFO kablam! 11 | fn singleton(v: u16) -> u16 {
Nov 07 05:02:34.142 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.142 INFO kablam! 
Nov 07 05:02:34.142 INFO kablam! warning: function is never used: `freedom_eliminate`
Nov 07 05:02:34.142 INFO kablam!   --> src/freedom.rs:16:1
Nov 07 05:02:34.142 INFO kablam!    |
Nov 07 05:02:34.142 INFO kablam! 16 | fn freedom_eliminate(f: &Freedom, col: u16, row: u16, value: u16) -> Freedom {
Nov 07 05:02:34.142 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.142 INFO kablam! 
Nov 07 05:02:34.142 INFO kablam! warning: function is never used: `create_freedom`
Nov 07 05:02:34.142 INFO kablam!   --> src/freedom.rs:38:1
Nov 07 05:02:34.142 INFO kablam!    |
Nov 07 05:02:34.142 INFO kablam! 38 | fn create_freedom(problem: &Problem) -> Freedom {
Nov 07 05:02:34.142 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.142 INFO kablam! 
Nov 07 05:02:34.142 INFO kablam! warning: function is never used: `sanity_check`
Nov 07 05:02:34.142 INFO kablam!   --> src/freedom.rs:52:1
Nov 07 05:02:34.142 INFO kablam!    |
Nov 07 05:02:34.142 INFO kablam! 52 | fn sanity_check(problem: &Problem, freedom: &Freedom) -> bool {
Nov 07 05:02:34.142 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.142 INFO kablam! 
Nov 07 05:02:34.142 INFO kablam! warning: function is never used: `search_least_free`
Nov 07 05:02:34.142 INFO kablam!   --> src/freedom.rs:63:1
Nov 07 05:02:34.142 INFO kablam!    |
Nov 07 05:02:34.142 INFO kablam! 63 | fn search_least_free(problem: &Problem, freedom: &Freedom) -> u16 {
Nov 07 05:02:34.142 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.142 INFO kablam! 
Nov 07 05:02:34.142 INFO kablam! warning: struct is never constructed: `Problem`
Nov 07 05:02:34.142 INFO kablam!  --> src/problem.rs:1:1
Nov 07 05:02:34.142 INFO kablam!   |
Nov 07 05:02:34.142 INFO kablam! 1 | pub struct Problem {
Nov 07 05:02:34.142 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.142 INFO kablam! 
Nov 07 05:02:34.248 INFO kablam! warning: unused variable: `j`
Nov 07 05:02:34.248 INFO kablam!   --> src/freedom.rs:28:9
Nov 07 05:02:34.248 INFO kablam!    |
Nov 07 05:02:34.248 INFO kablam! 28 |     for j in 0..3 {
Nov 07 05:02:34.248 INFO kablam!    |         ^ help: consider using `_j` instead
Nov 07 05:02:34.248 INFO kablam!    |
Nov 07 05:02:34.248 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 07 05:02:34.248 INFO kablam! 
Nov 07 05:02:34.264 INFO kablam! warning: constant item is never used: `ORDER`
Nov 07 05:02:34.264 INFO kablam!  --> src/freedom.rs:1:1
Nov 07 05:02:34.264 INFO kablam!   |
Nov 07 05:02:34.264 INFO kablam! 1 | const ORDER: u8 = 3;
Nov 07 05:02:34.264 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.264 INFO kablam!   |
Nov 07 05:02:34.264 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 07 05:02:34.264 INFO kablam! 
Nov 07 05:02:34.268 INFO kablam! warning: constant item is never used: `DIM`
Nov 07 05:02:34.268 INFO kablam!  --> src/freedom.rs:2:1
Nov 07 05:02:34.268 INFO kablam!   |
Nov 07 05:02:34.268 INFO kablam! 2 | const DIM: u8 = ORDER * ORDER;
Nov 07 05:02:34.268 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.268 INFO kablam! 
Nov 07 05:02:34.268 INFO kablam! warning: constant item is never used: `ELEMENTS`
Nov 07 05:02:34.268 INFO kablam!  --> src/freedom.rs:3:1
Nov 07 05:02:34.268 INFO kablam!   |
Nov 07 05:02:34.268 INFO kablam! 3 | const ELEMENTS: u8 = DIM * DIM;
Nov 07 05:02:34.268 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.268 INFO kablam! 
Nov 07 05:02:34.268 INFO kablam! warning: constant item is never used: `ALL_VALUES`
Nov 07 05:02:34.269 INFO kablam!  --> src/freedom.rs:4:1
Nov 07 05:02:34.269 INFO kablam!   |
Nov 07 05:02:34.269 INFO kablam! 4 | const ALL_VALUES: u16 = (1 << DIM) - 1;
Nov 07 05:02:34.269 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.269 INFO kablam! 
Nov 07 05:02:34.269 INFO kablam! warning: struct is never constructed: `Freedom`
Nov 07 05:02:34.269 INFO kablam!  --> src/freedom.rs:7:1
Nov 07 05:02:34.269 INFO kablam!   |
Nov 07 05:02:34.269 INFO kablam! 7 | pub struct Freedom {
Nov 07 05:02:34.269 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.269 INFO kablam! 
Nov 07 05:02:34.269 INFO kablam! warning: function is never used: `singleton`
Nov 07 05:02:34.269 INFO kablam!   --> src/freedom.rs:11:1
Nov 07 05:02:34.269 INFO kablam!    |
Nov 07 05:02:34.269 INFO kablam! 11 | fn singleton(v: u16) -> u16 {
Nov 07 05:02:34.269 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.269 INFO kablam! 
Nov 07 05:02:34.269 INFO kablam! warning: function is never used: `freedom_eliminate`
Nov 07 05:02:34.269 INFO kablam!   --> src/freedom.rs:16:1
Nov 07 05:02:34.269 INFO kablam!    |
Nov 07 05:02:34.269 INFO kablam! 16 | fn freedom_eliminate(f: &Freedom, col: u16, row: u16, value: u16) -> Freedom {
Nov 07 05:02:34.269 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.269 INFO kablam! 
Nov 07 05:02:34.269 INFO kablam! warning: function is never used: `create_freedom`
Nov 07 05:02:34.269 INFO kablam!   --> src/freedom.rs:38:1
Nov 07 05:02:34.269 INFO kablam!    |
Nov 07 05:02:34.269 INFO kablam! 38 | fn create_freedom(problem: &Problem) -> Freedom {
Nov 07 05:02:34.269 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.269 INFO kablam! 
Nov 07 05:02:34.269 INFO kablam! warning: function is never used: `sanity_check`
Nov 07 05:02:34.269 INFO kablam!   --> src/freedom.rs:52:1
Nov 07 05:02:34.269 INFO kablam!    |
Nov 07 05:02:34.269 INFO kablam! 52 | fn sanity_check(problem: &Problem, freedom: &Freedom) -> bool {
Nov 07 05:02:34.269 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.269 INFO kablam! 
Nov 07 05:02:34.269 INFO kablam! warning: function is never used: `search_least_free`
Nov 07 05:02:34.269 INFO kablam!   --> src/freedom.rs:63:1
Nov 07 05:02:34.269 INFO kablam!    |
Nov 07 05:02:34.269 INFO kablam! 63 | fn search_least_free(problem: &Problem, freedom: &Freedom) -> u16 {
Nov 07 05:02:34.269 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.269 INFO kablam! 
Nov 07 05:02:34.269 INFO kablam! warning: struct is never constructed: `Problem`
Nov 07 05:02:34.269 INFO kablam!  --> src/problem.rs:1:1
Nov 07 05:02:34.269 INFO kablam!   |
Nov 07 05:02:34.269 INFO kablam! 1 | pub struct Problem {
Nov 07 05:02:34.269 INFO kablam!   | ^^^^^^^^^^^^^^^^^^
Nov 07 05:02:34.269 INFO kablam! 
Nov 07 05:02:34.308 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Nov 07 05:02:34.315 INFO kablam! su: No module specific data is present
Nov 07 05:02:34.946 INFO running `"docker" "rm" "-f" "05704dfbc4fbe3cf09ba904bed19b81f17bdb1bf172a13a7ce75585f693397bd"`
Nov 07 05:02:35.092 INFO blam! 05704dfbc4fbe3cf09ba904bed19b81f17bdb1bf172a13a7ce75585f693397bd