[INFO] cloning repository DarrenRJ/Euler
[INFO] running `"git" "clone" "--bare" "git://github.com/DarrenRJ/Euler.git" "work/cache/sources/gh/DarrenRJ/Euler"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/DarrenRJ/Euler'...
[INFO] running `"git" "clone" "work/cache/sources/gh/DarrenRJ/Euler" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/DarrenRJ/Euler"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/DarrenRJ/Euler'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DarrenRJ/Euler" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/DarrenRJ/Euler"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/DarrenRJ/Euler'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2669d3f7afa22fcb93de70fcc0a8d4fb10a4f483
[INFO] sha for GitHub repo DarrenRJ/Euler: 2669d3f7afa22fcb93de70fcc0a8d4fb10a4f483
[INFO] validating manifest of DarrenRJ/Euler on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DarrenRJ/Euler on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DarrenRJ/Euler
[INFO] finished frobbing DarrenRJ/Euler
[INFO] frobbed toml for DarrenRJ/Euler written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/DarrenRJ/Euler/Cargo.toml
[INFO] started frobbing DarrenRJ/Euler
[INFO] finished frobbing DarrenRJ/Euler
[INFO] frobbed toml for DarrenRJ/Euler written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/DarrenRJ/Euler/Cargo.toml
[INFO] crate DarrenRJ/Euler already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing DarrenRJ/Euler against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/DarrenRJ/Euler:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 0f25b1d78feff0ff28b9409dace2a50a6b489c8d1a0e0009613582ce8c43562a
[INFO] running `"docker" "start" "-a" "0f25b1d78feff0ff28b9409dace2a50a6b489c8d1a0e0009613582ce8c43562a"`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling hamming v0.1.3
[INFO] [stderr]    Compiling primal-estimate v0.2.1
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling primal-sieve v0.2.7
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling primal-check v0.2.2
[INFO] [stderr]    Compiling primal v0.2.3
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/solutions.rs:2117:25
[INFO] [stderr]      |
[INFO] [stderr] 2117 |                     let mut candidate : usize = generate_candidate( i, last_digit[k], pattern, replacment );
[INFO] [stderr]      |                         ----^^^^^^^^^
[INFO] [stderr]      |                         |
[INFO] [stderr]      |                         help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/solutions.rs:2354:13
[INFO] [stderr]      |
[INFO] [stderr] 2354 |         let mut a = 100-i;
[INFO] [stderr]      |             ----^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/solutions.rs:2357:17
[INFO] [stderr]      |
[INFO] [stderr] 2357 |             let mut b = 100-j;
[INFO] [stderr]      |                 ----^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.03s
[INFO] running `"docker" "inspect" "0f25b1d78feff0ff28b9409dace2a50a6b489c8d1a0e0009613582ce8c43562a"`
[INFO] running `"docker" "rm" "-f" "0f25b1d78feff0ff28b9409dace2a50a6b489c8d1a0e0009613582ce8c43562a"`
[INFO] [stdout] 0f25b1d78feff0ff28b9409dace2a50a6b489c8d1a0e0009613582ce8c43562a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/DarrenRJ/Euler:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1e76606e5186d0665954c2f96200ccd8e999d06e01236378d3510ac9c3a561da
[INFO] running `"docker" "start" "-a" "1e76606e5186d0665954c2f96200ccd8e999d06e01236378d3510ac9c3a561da"`
[INFO] [stderr]    Compiling euler v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/solutions.rs:2117:25
[INFO] [stderr]      |
[INFO] [stderr] 2117 |                     let mut candidate : usize = generate_candidate( i, last_digit[k], pattern, replacment );
[INFO] [stderr]      |                         ----^^^^^^^^^
[INFO] [stderr]      |                         |
[INFO] [stderr]      |                         help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/solutions.rs:2354:13
[INFO] [stderr]      |
[INFO] [stderr] 2354 |         let mut a = 100-i;
[INFO] [stderr]      |             ----^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/solutions.rs:2357:17
[INFO] [stderr]      |
[INFO] [stderr] 2357 |             let mut b = 100-j;
[INFO] [stderr]      |                 ----^
[INFO] [stderr]      |                 |
[INFO] [stderr]      |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_factors`
[INFO] [stderr]    --> src/factors.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 |     fn test_factors()
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_divisor_count`
[INFO] [stderr]    --> src/factors.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 |     fn test_divisor_count()
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_proper_divisors`
[INFO] [stderr]    --> src/factors.rs:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 |     fn test_proper_divisors()
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_sum_of_proper_divisors`
[INFO] [stderr]    --> src/factors.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 238 |     fn test_sum_of_proper_divisors()
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "1e76606e5186d0665954c2f96200ccd8e999d06e01236378d3510ac9c3a561da"`
[INFO] running `"docker" "rm" "-f" "1e76606e5186d0665954c2f96200ccd8e999d06e01236378d3510ac9c3a561da"`
[INFO] [stdout] 1e76606e5186d0665954c2f96200ccd8e999d06e01236378d3510ac9c3a561da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/DarrenRJ/Euler:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 3c710dc2a45fe1c55e447353cbc9467d9408a8f9b6a3f994e48924437c662ba4
[INFO] running `"docker" "start" "-a" "3c710dc2a45fe1c55e447353cbc9467d9408a8f9b6a3f994e48924437c662ba4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/euler-3db67cbd7ba129b9
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test factors::test::test_prime_factors ... ok
[INFO] [stdout] test choose::test::test_choose ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3c710dc2a45fe1c55e447353cbc9467d9408a8f9b6a3f994e48924437c662ba4"`
[INFO] running `"docker" "rm" "-f" "3c710dc2a45fe1c55e447353cbc9467d9408a8f9b6a3f994e48924437c662ba4"`
[INFO] [stdout] 3c710dc2a45fe1c55e447353cbc9467d9408a8f9b6a3f994e48924437c662ba4