Nov 28 00:17:02.721 INFO checking mplanchard/combinations against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 00:17:02.722 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 00:17:03.214 INFO [stdout] b5b94381cc0ea0fa64ec02e8631dc3b7969da1727d7f5a65cbd1fe021bd3cce3
Nov 28 00:17:03.216 INFO running `"docker" "start" "-a" "b5b94381cc0ea0fa64ec02e8631dc3b7969da1727d7f5a65cbd1fe021bd3cce3"`
Nov 28 00:17:05.124 INFO [stderr] usermod: no changes
Nov 28 00:17:05.406 INFO [stderr]    Compiling num-bigint v0.2.1
Nov 28 00:17:05.417 INFO [stderr]     Checking num-complex v0.2.1
Nov 28 00:17:05.422 INFO [stderr]     Checking num-iter v0.1.37
Nov 28 00:17:10.102 INFO [stderr]     Checking num-rational v0.2.1
Nov 28 00:17:10.906 INFO [stderr]     Checking num v0.2.0
Nov 28 00:17:11.115 INFO [stderr]     Checking combinations v0.1.0 (/source)
Nov 28 00:17:11.389 INFO [stderr] warning: unused import: `std::slice`
Nov 28 00:17:11.389 INFO [stderr]  --> src/main.rs:6:5
Nov 28 00:17:11.389 INFO [stderr]   |
Nov 28 00:17:11.389 INFO [stderr] 6 | use std::slice;
Nov 28 00:17:11.389 INFO [stderr]   |     ^^^^^^^^^^
Nov 28 00:17:11.389 INFO [stderr]   |
Nov 28 00:17:11.389 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 00:17:11.389 INFO [stderr] 
Nov 28 00:17:11.424 INFO [stderr] warning: unused import: `std::slice`
Nov 28 00:17:11.424 INFO [stderr]  --> src/main.rs:6:5
Nov 28 00:17:11.424 INFO [stderr]   |
Nov 28 00:17:11.424 INFO [stderr] 6 | use std::slice;
Nov 28 00:17:11.424 INFO [stderr]   |     ^^^^^^^^^^
Nov 28 00:17:11.424 INFO [stderr]   |
Nov 28 00:17:11.424 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 00:17:11.424 INFO [stderr] 
Nov 28 00:17:11.449 INFO [stderr] warning: unused variable: `slice_one`
Nov 28 00:17:11.449 INFO [stderr]    --> src/main.rs:123:9
Nov 28 00:17:11.449 INFO [stderr]     |
Nov 28 00:17:11.449 INFO [stderr] 123 |     let slice_one: &[i32] = &[1, 2, 3, 4, 5];
Nov 28 00:17:11.449 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_slice_one` instead
Nov 28 00:17:11.449 INFO [stderr]     |
Nov 28 00:17:11.449 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 00:17:11.449 INFO [stderr] 
Nov 28 00:17:11.449 INFO [stderr] warning: unused variable: `slice_two`
Nov 28 00:17:11.449 INFO [stderr]    --> src/main.rs:124:9
Nov 28 00:17:11.449 INFO [stderr]     |
Nov 28 00:17:11.449 INFO [stderr] 124 |     let slice_two: &[i32] = &[3, 4];
Nov 28 00:17:11.449 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_slice_two` instead
Nov 28 00:17:11.449 INFO [stderr] 
Nov 28 00:17:11.469 INFO [stderr] warning: function is never used: `num_combinations`
Nov 28 00:17:11.469 INFO [stderr]   --> src/main.rs:19:1
Nov 28 00:17:11.469 INFO [stderr]    |
Nov 28 00:17:11.469 INFO [stderr] 19 | fn num_combinations(num_items: u64, take: u64) -> BigUint {
Nov 28 00:17:11.469 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:17:11.469 INFO [stderr] 
Nov 28 00:17:11.469 INFO [stderr] warning: function is never used: `print`
Nov 28 00:17:11.469 INFO [stderr]   --> src/main.rs:62:1
Nov 28 00:17:11.469 INFO [stderr]    |
Nov 28 00:17:11.469 INFO [stderr] 62 | fn print<T: Iterator + std::fmt::Debug>(thing: T) -> T{
Nov 28 00:17:11.469 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:17:11.469 INFO [stderr] 
Nov 28 00:17:11.500 INFO [stderr] warning: unused variable: `slice_one`
Nov 28 00:17:11.500 INFO [stderr]    --> src/main.rs:123:9
Nov 28 00:17:11.501 INFO [stderr]     |
Nov 28 00:17:11.501 INFO [stderr] 123 |     let slice_one: &[i32] = &[1, 2, 3, 4, 5];
Nov 28 00:17:11.501 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_slice_one` instead
Nov 28 00:17:11.501 INFO [stderr]     |
Nov 28 00:17:11.501 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 00:17:11.501 INFO [stderr] 
Nov 28 00:17:11.501 INFO [stderr] warning: unused variable: `slice_two`
Nov 28 00:17:11.501 INFO [stderr]    --> src/main.rs:124:9
Nov 28 00:17:11.501 INFO [stderr]     |
Nov 28 00:17:11.501 INFO [stderr] 124 |     let slice_two: &[i32] = &[3, 4];
Nov 28 00:17:11.501 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_slice_two` instead
Nov 28 00:17:11.501 INFO [stderr] 
Nov 28 00:17:11.519 INFO [stderr] warning: function is never used: `num_combinations`
Nov 28 00:17:11.519 INFO [stderr]   --> src/main.rs:19:1
Nov 28 00:17:11.519 INFO [stderr]    |
Nov 28 00:17:11.519 INFO [stderr] 19 | fn num_combinations(num_items: u64, take: u64) -> BigUint {
Nov 28 00:17:11.519 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:17:11.519 INFO [stderr] 
Nov 28 00:17:11.519 INFO [stderr] warning: function is never used: `print`
Nov 28 00:17:11.519 INFO [stderr]   --> src/main.rs:62:1
Nov 28 00:17:11.519 INFO [stderr]    |
Nov 28 00:17:11.519 INFO [stderr] 62 | fn print<T: Iterator + std::fmt::Debug>(thing: T) -> T{
Nov 28 00:17:11.519 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 00:17:11.519 INFO [stderr] 
Nov 28 00:17:11.531 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.38s
Nov 28 00:17:11.533 INFO [stderr] su: No module specific data is present
Nov 28 00:17:13.335 INFO running `"docker" "inspect" "b5b94381cc0ea0fa64ec02e8631dc3b7969da1727d7f5a65cbd1fe021bd3cce3"`
Nov 28 00:17:13.526 INFO running `"docker" "rm" "-f" "b5b94381cc0ea0fa64ec02e8631dc3b7969da1727d7f5a65cbd1fe021bd3cce3"`
Nov 28 00:17:13.709 INFO [stdout] b5b94381cc0ea0fa64ec02e8631dc3b7969da1727d7f5a65cbd1fe021bd3cce3