Dec 17 19:18:54.964 INFO checking mplanchard/combinations against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:18:54.964 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/mplanchard/combinations:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:18:55.496 INFO [stdout] b0421c95d2eee248c8062aec7fcd02d4651c31c3af48accd69587991c2347625
Dec 17 19:18:55.498 INFO running `"docker" "start" "-a" "b0421c95d2eee248c8062aec7fcd02d4651c31c3af48accd69587991c2347625"`
Dec 17 19:18:57.354 INFO [stderr]    Compiling num-traits v0.2.6
Dec 17 19:18:57.359 INFO [stderr]    Compiling num-bigint v0.2.1
Dec 17 19:19:00.152 INFO [stderr]     Checking num-integer v0.1.39
Dec 17 19:19:00.152 INFO [stderr]     Checking num-complex v0.2.1
Dec 17 19:19:00.731 INFO [stderr]     Checking num-iter v0.1.37
Dec 17 19:19:03.325 INFO [stderr]     Checking num-rational v0.2.1
Dec 17 19:19:04.081 INFO [stderr]     Checking num v0.2.0
Dec 17 19:19:04.268 INFO [stderr]     Checking combinations v0.1.0 (/opt/crater/workdir)
Dec 17 19:19:04.548 INFO [stderr] warning: unused import: `std::slice`
Dec 17 19:19:04.548 INFO [stderr]  --> src/main.rs:6:5
Dec 17 19:19:04.548 INFO [stderr]   |
Dec 17 19:19:04.548 INFO [stderr] 6 | use std::slice;
Dec 17 19:19:04.548 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 19:19:04.548 INFO [stderr]   |
Dec 17 19:19:04.548 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:19:04.548 INFO [stderr] 
Dec 17 19:19:04.680 INFO [stderr] warning: unused variable: `slice_one`
Dec 17 19:19:04.680 INFO [stderr]    --> src/main.rs:123:9
Dec 17 19:19:04.680 INFO [stderr]     |
Dec 17 19:19:04.680 INFO [stderr] 123 |     let slice_one: &[i32] = &[1, 2, 3, 4, 5];
Dec 17 19:19:04.680 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_slice_one` instead
Dec 17 19:19:04.680 INFO [stderr]     |
Dec 17 19:19:04.680 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 19:19:04.680 INFO [stderr] 
Dec 17 19:19:04.680 INFO [stderr] warning: unused variable: `slice_two`
Dec 17 19:19:04.680 INFO [stderr]    --> src/main.rs:124:9
Dec 17 19:19:04.680 INFO [stderr]     |
Dec 17 19:19:04.680 INFO [stderr] 124 |     let slice_two: &[i32] = &[3, 4];
Dec 17 19:19:04.680 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_slice_two` instead
Dec 17 19:19:04.680 INFO [stderr] 
Dec 17 19:19:04.748 INFO [stderr] warning: function is never used: `num_combinations`
Dec 17 19:19:04.748 INFO [stderr]   --> src/main.rs:19:1
Dec 17 19:19:04.748 INFO [stderr]    |
Dec 17 19:19:04.748 INFO [stderr] 19 | fn num_combinations(num_items: u64, take: u64) -> BigUint {
Dec 17 19:19:04.748 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:19:04.748 INFO [stderr] 
Dec 17 19:19:04.748 INFO [stderr] warning: function is never used: `print`
Dec 17 19:19:04.748 INFO [stderr]   --> src/main.rs:62:1
Dec 17 19:19:04.748 INFO [stderr]    |
Dec 17 19:19:04.748 INFO [stderr] 62 | fn print<T: Iterator + std::fmt::Debug>(thing: T) -> T{
Dec 17 19:19:04.748 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:19:04.748 INFO [stderr] 
Dec 17 19:19:04.856 INFO [stderr] warning: unused import: `std::slice`
Dec 17 19:19:04.856 INFO [stderr]  --> src/main.rs:6:5
Dec 17 19:19:04.856 INFO [stderr]   |
Dec 17 19:19:04.856 INFO [stderr] 6 | use std::slice;
Dec 17 19:19:04.856 INFO [stderr]   |     ^^^^^^^^^^
Dec 17 19:19:04.856 INFO [stderr]   |
Dec 17 19:19:04.856 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:19:04.856 INFO [stderr] 
Dec 17 19:19:04.932 INFO [stderr] warning: unused variable: `slice_one`
Dec 17 19:19:04.932 INFO [stderr]    --> src/main.rs:123:9
Dec 17 19:19:04.932 INFO [stderr]     |
Dec 17 19:19:04.932 INFO [stderr] 123 |     let slice_one: &[i32] = &[1, 2, 3, 4, 5];
Dec 17 19:19:04.932 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_slice_one` instead
Dec 17 19:19:04.932 INFO [stderr]     |
Dec 17 19:19:04.932 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 19:19:04.932 INFO [stderr] 
Dec 17 19:19:04.932 INFO [stderr] warning: unused variable: `slice_two`
Dec 17 19:19:04.932 INFO [stderr]    --> src/main.rs:124:9
Dec 17 19:19:04.932 INFO [stderr]     |
Dec 17 19:19:04.932 INFO [stderr] 124 |     let slice_two: &[i32] = &[3, 4];
Dec 17 19:19:04.932 INFO [stderr]     |         ^^^^^^^^^ help: consider using `_slice_two` instead
Dec 17 19:19:04.932 INFO [stderr] 
Dec 17 19:19:04.960 INFO [stderr] warning: function is never used: `num_combinations`
Dec 17 19:19:04.960 INFO [stderr]   --> src/main.rs:19:1
Dec 17 19:19:04.960 INFO [stderr]    |
Dec 17 19:19:04.960 INFO [stderr] 19 | fn num_combinations(num_items: u64, take: u64) -> BigUint {
Dec 17 19:19:04.960 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:19:04.960 INFO [stderr] 
Dec 17 19:19:04.960 INFO [stderr] warning: function is never used: `print`
Dec 17 19:19:04.960 INFO [stderr]   --> src/main.rs:62:1
Dec 17 19:19:04.960 INFO [stderr]    |
Dec 17 19:19:04.960 INFO [stderr] 62 | fn print<T: Iterator + std::fmt::Debug>(thing: T) -> T{
Dec 17 19:19:04.960 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:19:04.960 INFO [stderr] 
Dec 17 19:19:05.004 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.71s
Dec 17 19:19:05.685 INFO running `"docker" "inspect" "b0421c95d2eee248c8062aec7fcd02d4651c31c3af48accd69587991c2347625"`
Dec 17 19:19:05.990 INFO running `"docker" "rm" "-f" "b0421c95d2eee248c8062aec7fcd02d4651c31c3af48accd69587991c2347625"`
Dec 17 19:19:06.328 INFO [stdout] b0421c95d2eee248c8062aec7fcd02d4651c31c3af48accd69587991c2347625