[INFO] cloning repository JoshMcguigan/fizzbuzz-rs
[INFO] running `"git" "clone" "--bare" "git://github.com/JoshMcguigan/fizzbuzz-rs.git" "work/cache/sources/gh/JoshMcguigan/fizzbuzz-rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/JoshMcguigan/fizzbuzz-rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/JoshMcguigan/fizzbuzz-rs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/JoshMcguigan/fizzbuzz-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/JoshMcguigan/fizzbuzz-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JoshMcguigan/fizzbuzz-rs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/JoshMcguigan/fizzbuzz-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/JoshMcguigan/fizzbuzz-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a112853d70f515e16e9b21a148d1941b16e46bdb
[INFO] sha for GitHub repo JoshMcguigan/fizzbuzz-rs: a112853d70f515e16e9b21a148d1941b16e46bdb
[INFO] validating manifest of JoshMcguigan/fizzbuzz-rs 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 JoshMcguigan/fizzbuzz-rs 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 JoshMcguigan/fizzbuzz-rs
[INFO] finished frobbing JoshMcguigan/fizzbuzz-rs
[INFO] frobbed toml for JoshMcguigan/fizzbuzz-rs written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/JoshMcguigan/fizzbuzz-rs/Cargo.toml
[INFO] started frobbing JoshMcguigan/fizzbuzz-rs
[INFO] finished frobbing JoshMcguigan/fizzbuzz-rs
[INFO] frobbed toml for JoshMcguigan/fizzbuzz-rs written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/JoshMcguigan/fizzbuzz-rs/Cargo.toml
[INFO] crate JoshMcguigan/fizzbuzz-rs 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 JoshMcguigan/fizzbuzz-rs against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/JoshMcguigan/fizzbuzz-rs:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 7afd790cb6e31e0ab76e0dfd69a9c0ece38b1c786c0b02047fc97d2b2f3a68be
[INFO] running `"docker" "start" "-a" "7afd790cb6e31e0ab76e0dfd69a9c0ece38b1c786c0b02047fc97d2b2f3a68be"`
[INFO] [stderr]    Compiling fizzbuzz-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `FizzBuzzer`
[INFO] [stderr]  --> src/func.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct FizzBuzzer<FnFizz, FnBuzz, FnFizzBuzz, FnOther> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/func.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn new(fn_fizz: FnFizz, fn_buzz: FnBuzz, fn_fizzbuzz: FnFizzBuzz, fn_other: FnOther) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eval`
[INFO] [stderr]   --> src/func.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn eval(&self, num: u32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fizzbuzz`
[INFO] [stderr]   --> src/flexible.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | / fn fizzbuzz<'a, T>(nums: T)
[INFO] [stderr] 3  | |     where T: IntoIterator<Item = &'a u32>
[INFO] [stderr] 4  | | {
[INFO] [stderr] 5  | |     for num in nums {
[INFO] [stderr] ...  |
[INFO] [stderr] 15 | |     }
[INFO] [stderr] 16 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fizzbuzz_vec`
[INFO] [stderr]   --> src/flexible.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn fizzbuzz_vec(nums: &Vec<u32>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FizzBuzz`
[INFO] [stderr]  --> src/display.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct FizzBuzz(usize);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FizzBuzzer`
[INFO] [stderr]  --> src/iterator.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct FizzBuzzer {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/iterator.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn new(starting_value: u32, length: u32) -> Self {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "7afd790cb6e31e0ab76e0dfd69a9c0ece38b1c786c0b02047fc97d2b2f3a68be"`
[INFO] running `"docker" "rm" "-f" "7afd790cb6e31e0ab76e0dfd69a9c0ece38b1c786c0b02047fc97d2b2f3a68be"`
[INFO] [stdout] 7afd790cb6e31e0ab76e0dfd69a9c0ece38b1c786c0b02047fc97d2b2f3a68be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/JoshMcguigan/fizzbuzz-rs:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5049a5ee414c9e2bb24a7ca6756c9b16a84e28e5d76c9bda3ecc5e139a1eb81f
[INFO] running `"docker" "start" "-a" "5049a5ee414c9e2bb24a7ca6756c9b16a84e28e5d76c9bda3ecc5e139a1eb81f"`
[INFO] [stderr]    Compiling fizzbuzz-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "5049a5ee414c9e2bb24a7ca6756c9b16a84e28e5d76c9bda3ecc5e139a1eb81f"`
[INFO] running `"docker" "rm" "-f" "5049a5ee414c9e2bb24a7ca6756c9b16a84e28e5d76c9bda3ecc5e139a1eb81f"`
[INFO] [stdout] 5049a5ee414c9e2bb24a7ca6756c9b16a84e28e5d76c9bda3ecc5e139a1eb81f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/JoshMcguigan/fizzbuzz-rs:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] ec92dc49a157b5b6e96aa31c1bbdb7b9364b04aa11ee105e8f89bfd6f3abf4cf
[INFO] running `"docker" "start" "-a" "ec92dc49a157b5b6e96aa31c1bbdb7b9364b04aa11ee105e8f89bfd6f3abf4cf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fizzbuzz_rs-ada1d4a7304a989e
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test display::test::it_works ... ok
[INFO] [stdout] test enumeration::tests::from ... ok
[INFO] [stdout] test func::tests::it_works ... ok
[INFO] [stdout] test intro::tests::using_if_else ... ok
[INFO] [stdout] test flexible::tests::it_works ... ok
[INFO] [stdout] test enumeration::tests::into ... ok
[INFO] [stdout] test intro::tests::using_match ... ok
[INFO] [stdout] test enumeration::tests::display ... ok
[INFO] [stdout] test iterator::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ec92dc49a157b5b6e96aa31c1bbdb7b9364b04aa11ee105e8f89bfd6f3abf4cf"`
[INFO] running `"docker" "rm" "-f" "ec92dc49a157b5b6e96aa31c1bbdb7b9364b04aa11ee105e8f89bfd6f3abf4cf"`
[INFO] [stdout] ec92dc49a157b5b6e96aa31c1bbdb7b9364b04aa11ee105e8f89bfd6f3abf4cf