[INFO] cloning repository https://github.com/Pluriscient/rust-sudoku-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pluriscient/rust-sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Frust-sudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Frust-sudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59e93cb54827eb3c1977405ddcadf052ed1f8ef4
[INFO] checking Pluriscient/rust-sudoku-solver against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPluriscient%2Frust-sudoku-solver" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pluriscient/rust-sudoku-solver on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pluriscient/rust-sudoku-solver
[INFO] finished tweaking git repo https://github.com/Pluriscient/rust-sudoku-solver
[INFO] tweaked toml for git repo https://github.com/Pluriscient/rust-sudoku-solver written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Pluriscient/rust-sudoku-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e060e0c8379ec8e9c8ec6369e95c5b30ce60e1af96b99207aab832930310262b
[INFO] running `Command { std: "docker" "start" "-a" "e060e0c8379ec8e9c8ec6369e95c5b30ce60e1af96b99207aab832930310262b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e060e0c8379ec8e9c8ec6369e95c5b30ce60e1af96b99207aab832930310262b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e060e0c8379ec8e9c8ec6369e95c5b30ce60e1af96b99207aab832930310262b", kill_on_drop: false }`
[INFO] [stdout] e060e0c8379ec8e9c8ec6369e95c5b30ce60e1af96b99207aab832930310262b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20257520b31c5662b785f0705ab62c2e05124dfb364aaa3eeb1e0da33d7c6797
[INFO] running `Command { std: "docker" "start" "-a" "20257520b31c5662b785f0705ab62c2e05124dfb364aaa3eeb1e0da33d7c6797", kill_on_drop: false }`
[INFO] [stderr]     Checking sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::sudokutwo::sudoku_api::SudokuApi`
[INFO] [stdout]  --> src/sudokutwo.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::sudokutwo::sudoku_api::SudokuApi;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/sudokutwo.rs:18:58
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn get_sets(sets: Vec<EntryNum>, all_pots: EntryNum, data: &[EntryNum; 81]) -> EntryNum {
[INFO] [stdout]    |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/sudokutwo.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 .filter(|(i, x)| **x & mask > 0)
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rcb`
[INFO] [stdout]    --> src/sudokutwo.rs:125:38
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn eliminate_omission(&mut self, rcb: usize, indices: Vec<usize>, t: EntityType) -> u32 {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_rcb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sudokutwo.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let mut pos_locs = ens.iter().enumerate()
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `BLOCK_ONE`
[INFO] [stdout]    --> src/sudokutwo.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     const BLOCK_ONE: [usize; 3] = [0, 1, 2];
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `BLOCK_TWO`
[INFO] [stdout]    --> src/sudokutwo.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     const BLOCK_TWO: [usize; 3] = [3, 4, 5];
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `BLOCK_THREE`
[INFO] [stdout]    --> src/sudokutwo.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     const BLOCK_THREE: [usize; 3] = [6, 7, 8];
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_other_locs`
[INFO] [stdout]    --> src/sudokutwo.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn remove_other_locs(&mut self, rcb_index: usize, mask: u16, indices: Vec<usize>, block_locs: Vec<usize>) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `in_same_RCB` should have a snake case name
[INFO] [stdout]    --> src/sudokutwo.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn in_same_RCB(indices: &Vec<usize>, t: EntityType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^ help: convert the identifier to snake case: `in_same_rcb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sudokutwo::sudoku_api::SudokuApi`
[INFO] [stdout]  --> src/sudokutwo.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::sudokutwo::sudoku_api::SudokuApi;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/sudokutwo.rs:18:58
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn get_sets(sets: Vec<EntryNum>, all_pots: EntryNum, data: &[EntryNum; 81]) -> EntryNum {
[INFO] [stdout]    |                                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/sudokutwo.rs:133:27
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 .filter(|(i, x)| **x & mask > 0)
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rcb`
[INFO] [stdout]    --> src/sudokutwo.rs:125:38
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn eliminate_omission(&mut self, rcb: usize, indices: Vec<usize>, t: EntityType) -> u32 {
[INFO] [stdout]     |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_rcb`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sudokutwo.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let mut pos_locs = ens.iter().enumerate()
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `BLOCK_ONE`
[INFO] [stdout]    --> src/sudokutwo.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     const BLOCK_ONE: [usize; 3] = [0, 1, 2];
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `BLOCK_TWO`
[INFO] [stdout]    --> src/sudokutwo.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     const BLOCK_TWO: [usize; 3] = [3, 4, 5];
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `BLOCK_THREE`
[INFO] [stdout]    --> src/sudokutwo.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     const BLOCK_THREE: [usize; 3] = [6, 7, 8];
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_other_locs`
[INFO] [stdout]    --> src/sudokutwo.rs:194:8
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn remove_other_locs(&mut self, rcb_index: usize, mask: u16, indices: Vec<usize>, block_locs: Vec<usize>) -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `in_same_RCB` should have a snake case name
[INFO] [stdout]    --> src/sudokutwo.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn in_same_RCB(indices: &Vec<usize>, t: EntityType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^ help: convert the identifier to snake case: `in_same_rcb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "20257520b31c5662b785f0705ab62c2e05124dfb364aaa3eeb1e0da33d7c6797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20257520b31c5662b785f0705ab62c2e05124dfb364aaa3eeb1e0da33d7c6797", kill_on_drop: false }`
[INFO] [stdout] 20257520b31c5662b785f0705ab62c2e05124dfb364aaa3eeb1e0da33d7c6797
