Nov 30 10:21:50.153 INFO checking JoshMcguigan/fizzbuzz-rs against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 10:21:50.153 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 10:21:50.697 INFO [stdout] a0e9b7a5bc7d5f510353d3690a1b9ff631f8f08d248001606a81f03a28c36915
Nov 30 10:21:50.699 INFO running `"docker" "start" "-a" "a0e9b7a5bc7d5f510353d3690a1b9ff631f8f08d248001606a81f03a28c36915"`
Nov 30 10:21:52.716 INFO [stderr] usermod: no changes
Nov 30 10:21:52.804 INFO [stderr]     Checking fizzbuzz-rs v0.1.0 (/source)
Nov 30 10:21:53.664 INFO [stderr] warning: struct is never constructed: `FizzBuzzer`
Nov 30 10:21:53.665 INFO [stderr]  --> src/func.rs:1:1
Nov 30 10:21:53.665 INFO [stderr]   |
Nov 30 10:21:53.665 INFO [stderr] 1 | struct FizzBuzzer<FnFizz, FnBuzz, FnFizzBuzz, FnOther> {
Nov 30 10:21:53.665 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:21:53.666 INFO [stderr]   |
Nov 30 10:21:53.666 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 10:21:53.666 INFO [stderr] 
Nov 30 10:21:53.666 INFO [stderr] warning: method is never used: `new`
Nov 30 10:21:53.666 INFO [stderr]   --> src/func.rs:15:5
Nov 30 10:21:53.667 INFO [stderr]    |
Nov 30 10:21:53.667 INFO [stderr] 15 |     fn new(fn_fizz: FnFizz, fn_buzz: FnBuzz, fn_fizzbuzz: FnFizzBuzz, fn_other: FnOther) -> Self {
Nov 30 10:21:53.667 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:21:53.667 INFO [stderr] 
Nov 30 10:21:53.668 INFO [stderr] warning: method is never used: `eval`
Nov 30 10:21:53.668 INFO [stderr]   --> src/func.rs:19:5
Nov 30 10:21:53.668 INFO [stderr]    |
Nov 30 10:21:53.668 INFO [stderr] 19 |     fn eval(&self, num: u32) {
Nov 30 10:21:53.669 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:21:53.669 INFO [stderr] 
Nov 30 10:21:53.669 INFO [stderr] warning: function is never used: `fizzbuzz`
Nov 30 10:21:53.669 INFO [stderr]   --> src/flexible.rs:2:1
Nov 30 10:21:53.669 INFO [stderr]    |
Nov 30 10:21:53.670 INFO [stderr] 2  | / fn fizzbuzz<'a, T>(nums: T)
Nov 30 10:21:53.670 INFO [stderr] 3  | |     where T: IntoIterator<Item = &'a u32>
Nov 30 10:21:53.670 INFO [stderr] 4  | | {
Nov 30 10:21:53.670 INFO [stderr] 5  | |     for num in nums {
Nov 30 10:21:53.670 INFO [stderr] ...  |
Nov 30 10:21:53.671 INFO [stderr] 15 | |     }
Nov 30 10:21:53.671 INFO [stderr] 16 | | }
Nov 30 10:21:53.671 INFO [stderr]    | |_^
Nov 30 10:21:53.671 INFO [stderr] 
Nov 30 10:21:53.671 INFO [stderr] warning: function is never used: `fizzbuzz_vec`
Nov 30 10:21:53.672 INFO [stderr]   --> src/flexible.rs:18:1
Nov 30 10:21:53.672 INFO [stderr]    |
Nov 30 10:21:53.672 INFO [stderr] 18 | fn fizzbuzz_vec(nums: &Vec<u32>) {
Nov 30 10:21:53.672 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:21:53.672 INFO [stderr] 
Nov 30 10:21:53.673 INFO [stderr] warning: struct is never constructed: `FizzBuzz`
Nov 30 10:21:53.673 INFO [stderr]  --> src/display.rs:5:1
Nov 30 10:21:53.673 INFO [stderr]   |
Nov 30 10:21:53.673 INFO [stderr] 5 | struct FizzBuzz(usize);
Nov 30 10:21:53.674 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:21:53.674 INFO [stderr] 
Nov 30 10:21:53.674 INFO [stderr] warning: struct is never constructed: `FizzBuzzer`
Nov 30 10:21:53.674 INFO [stderr]  --> src/iterator.rs:1:1
Nov 30 10:21:53.674 INFO [stderr]   |
Nov 30 10:21:53.675 INFO [stderr] 1 | struct FizzBuzzer {
Nov 30 10:21:53.675 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 30 10:21:53.675 INFO [stderr] 
Nov 30 10:21:53.675 INFO [stderr] warning: method is never used: `new`
Nov 30 10:21:53.675 INFO [stderr]  --> src/iterator.rs:7:5
Nov 30 10:21:53.676 INFO [stderr]   |
Nov 30 10:21:53.676 INFO [stderr] 7 |     fn new(starting_value: u32, length: u32) -> Self {
Nov 30 10:21:53.676 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:21:53.676 INFO [stderr] 
Nov 30 10:21:53.943 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Nov 30 10:21:53.953 INFO [stderr] su: No module specific data is present
Nov 30 10:21:55.532 INFO running `"docker" "inspect" "a0e9b7a5bc7d5f510353d3690a1b9ff631f8f08d248001606a81f03a28c36915"`
Nov 30 10:21:55.916 INFO running `"docker" "rm" "-f" "a0e9b7a5bc7d5f510353d3690a1b9ff631f8f08d248001606a81f03a28c36915"`
Nov 30 10:21:56.260 INFO [stdout] a0e9b7a5bc7d5f510353d3690a1b9ff631f8f08d248001606a81f03a28c36915