Dec 14 09:05:02.536 INFO testing JoshMcguigan/fizzbuzz-rs against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 09:05:02.536 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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"`
Dec 14 09:05:02.911 INFO [stdout] 83dd5daf77a76df975a10e28dd0a26196d351d650696221700350a48d8ddcb57
Dec 14 09:05:02.911 INFO running `"docker" "start" "-a" "83dd5daf77a76df975a10e28dd0a26196d351d650696221700350a48d8ddcb57"`
Dec 14 09:05:04.144 INFO [stderr] usermod: no changes
Dec 14 09:05:04.207 INFO [stderr]    Compiling fizzbuzz-rs v0.1.0 (/source)
Dec 14 09:05:04.752 INFO [stderr] warning: struct is never constructed: `FizzBuzzer`
Dec 14 09:05:04.752 INFO [stderr]  --> src/func.rs:1:1
Dec 14 09:05:04.752 INFO [stderr]   |
Dec 14 09:05:04.752 INFO [stderr] 1 | struct FizzBuzzer<FnFizz, FnBuzz, FnFizzBuzz, FnOther> {
Dec 14 09:05:04.752 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:05:04.752 INFO [stderr]   |
Dec 14 09:05:04.752 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 09:05:04.752 INFO [stderr] 
Dec 14 09:05:04.752 INFO [stderr] warning: method is never used: `new`
Dec 14 09:05:04.752 INFO [stderr]   --> src/func.rs:15:5
Dec 14 09:05:04.752 INFO [stderr]    |
Dec 14 09:05:04.752 INFO [stderr] 15 |     fn new(fn_fizz: FnFizz, fn_buzz: FnBuzz, fn_fizzbuzz: FnFizzBuzz, fn_other: FnOther) -> Self {
Dec 14 09:05:04.752 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:05:04.752 INFO [stderr] 
Dec 14 09:05:04.752 INFO [stderr] warning: method is never used: `eval`
Dec 14 09:05:04.752 INFO [stderr]   --> src/func.rs:19:5
Dec 14 09:05:04.752 INFO [stderr]    |
Dec 14 09:05:04.752 INFO [stderr] 19 |     fn eval(&self, num: u32) {
Dec 14 09:05:04.752 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:05:04.752 INFO [stderr] 
Dec 14 09:05:04.752 INFO [stderr] warning: function is never used: `fizzbuzz`
Dec 14 09:05:04.752 INFO [stderr]   --> src/flexible.rs:2:1
Dec 14 09:05:04.752 INFO [stderr]    |
Dec 14 09:05:04.752 INFO [stderr] 2  | / fn fizzbuzz<'a, T>(nums: T)
Dec 14 09:05:04.752 INFO [stderr] 3  | |     where T: IntoIterator<Item = &'a u32>
Dec 14 09:05:04.752 INFO [stderr] 4  | | {
Dec 14 09:05:04.752 INFO [stderr] 5  | |     for num in nums {
Dec 14 09:05:04.752 INFO [stderr] ...  |
Dec 14 09:05:04.752 INFO [stderr] 15 | |     }
Dec 14 09:05:04.752 INFO [stderr] 16 | | }
Dec 14 09:05:04.752 INFO [stderr]    | |_^
Dec 14 09:05:04.752 INFO [stderr] 
Dec 14 09:05:04.752 INFO [stderr] warning: function is never used: `fizzbuzz_vec`
Dec 14 09:05:04.752 INFO [stderr]   --> src/flexible.rs:18:1
Dec 14 09:05:04.752 INFO [stderr]    |
Dec 14 09:05:04.752 INFO [stderr] 18 | fn fizzbuzz_vec(nums: &Vec<u32>) {
Dec 14 09:05:04.752 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:05:04.752 INFO [stderr] 
Dec 14 09:05:04.752 INFO [stderr] warning: struct is never constructed: `FizzBuzz`
Dec 14 09:05:04.752 INFO [stderr]  --> src/display.rs:5:1
Dec 14 09:05:04.752 INFO [stderr]   |
Dec 14 09:05:04.752 INFO [stderr] 5 | struct FizzBuzz(usize);
Dec 14 09:05:04.752 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:05:04.752 INFO [stderr] 
Dec 14 09:05:04.752 INFO [stderr] warning: struct is never constructed: `FizzBuzzer`
Dec 14 09:05:04.752 INFO [stderr]  --> src/iterator.rs:1:1
Dec 14 09:05:04.752 INFO [stderr]   |
Dec 14 09:05:04.752 INFO [stderr] 1 | struct FizzBuzzer {
Dec 14 09:05:04.752 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 14 09:05:04.752 INFO [stderr] 
Dec 14 09:05:04.752 INFO [stderr] warning: method is never used: `new`
Dec 14 09:05:04.752 INFO [stderr]  --> src/iterator.rs:7:5
Dec 14 09:05:04.752 INFO [stderr]   |
Dec 14 09:05:04.752 INFO [stderr] 7 |     fn new(starting_value: u32, length: u32) -> Self {
Dec 14 09:05:04.752 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:05:04.752 INFO [stderr] 
Dec 14 09:05:04.985 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 14 09:05:04.995 INFO [stderr] su: No module specific data is present
Dec 14 09:05:05.649 INFO running `"docker" "inspect" "83dd5daf77a76df975a10e28dd0a26196d351d650696221700350a48d8ddcb57"`
Dec 14 09:05:06.011 INFO running `"docker" "rm" "-f" "83dd5daf77a76df975a10e28dd0a26196d351d650696221700350a48d8ddcb57"`
Dec 14 09:05:06.374 INFO [stdout] 83dd5daf77a76df975a10e28dd0a26196d351d650696221700350a48d8ddcb57
Dec 14 09:05:06.387 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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"`
Dec 14 09:05:06.863 INFO [stdout] faecddd3d96c684350e12544d9a85c6292e2921d07574e0317323ebdf7640f51
Dec 14 09:05:06.868 INFO running `"docker" "start" "-a" "faecddd3d96c684350e12544d9a85c6292e2921d07574e0317323ebdf7640f51"`
Dec 14 09:05:08.443 INFO [stderr] usermod: no changes
Dec 14 09:05:08.503 INFO [stderr]    Compiling fizzbuzz-rs v0.1.0 (/source)
Dec 14 09:05:10.087 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
Dec 14 09:05:10.093 INFO [stderr] su: No module specific data is present
Dec 14 09:05:10.832 INFO running `"docker" "inspect" "faecddd3d96c684350e12544d9a85c6292e2921d07574e0317323ebdf7640f51"`
Dec 14 09:05:11.139 INFO running `"docker" "rm" "-f" "faecddd3d96c684350e12544d9a85c6292e2921d07574e0317323ebdf7640f51"`
Dec 14 09:05:11.502 INFO [stdout] faecddd3d96c684350e12544d9a85c6292e2921d07574e0317323ebdf7640f51
Dec 14 09:05:11.503 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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"`
Dec 14 09:05:12.169 INFO [stdout] e161ffcca0d36f3bb4af2b333838e2cd165b3901186e5833f8d19ec7c4c3bdbf
Dec 14 09:05:12.173 INFO running `"docker" "start" "-a" "e161ffcca0d36f3bb4af2b333838e2cd165b3901186e5833f8d19ec7c4c3bdbf"`
Dec 14 09:05:13.303 INFO [stderr] usermod: no changes
Dec 14 09:05:13.359 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 09:05:13.359 INFO [stderr]      Running /target/debug/deps/fizzbuzz_rs-ccc79310ef9ef305
Dec 14 09:05:13.367 INFO [stdout] 
Dec 14 09:05:13.367 INFO [stdout] running 9 tests
Dec 14 09:05:13.367 INFO [stdout] test enumeration::tests::display ... ok
Dec 14 09:05:13.367 INFO [stdout] test display::test::it_works ... ok
Dec 14 09:05:13.367 INFO [stdout] test enumeration::tests::from ... ok
Dec 14 09:05:13.367 INFO [stdout] test iterator::tests::it_works ... ok
Dec 14 09:05:13.367 INFO [stdout] test intro::tests::using_match ... ok
Dec 14 09:05:13.367 INFO [stdout] test flexible::tests::it_works ... ok
Dec 14 09:05:13.371 INFO [stdout] test enumeration::tests::into ... ok
Dec 14 09:05:13.371 INFO [stdout] test func::tests::it_works ... ok
Dec 14 09:05:13.375 INFO [stdout] test intro::tests::using_if_else ... ok
Dec 14 09:05:13.375 INFO [stdout] 
Dec 14 09:05:13.375 INFO [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 09:05:13.375 INFO [stdout] 
Dec 14 09:05:13.392 INFO [stderr] su: No module specific data is present
Dec 14 09:05:13.986 INFO running `"docker" "inspect" "e161ffcca0d36f3bb4af2b333838e2cd165b3901186e5833f8d19ec7c4c3bdbf"`
Dec 14 09:05:14.320 INFO running `"docker" "rm" "-f" "e161ffcca0d36f3bb4af2b333838e2cd165b3901186e5833f8d19ec7c4c3bdbf"`
Dec 14 09:05:14.603 INFO [stdout] e161ffcca0d36f3bb4af2b333838e2cd165b3901186e5833f8d19ec7c4c3bdbf