Oct 13 09:57:15.179 INFO checking riquid-0.0.1 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 09:57:15.180 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 09:57:15.561 INFO blam! e75435259e292ccb2232448c5de621c5cd97a0d8983d4a1186c15d217c08838f
Oct 13 09:57:15.569 INFO running `"docker" "start" "-a" "e75435259e292ccb2232448c5de621c5cd97a0d8983d4a1186c15d217c08838f"`
Oct 13 09:57:16.668 INFO kablam! usermod: no changes
Oct 13 09:57:16.780 INFO kablam!     Checking riquid v0.0.1 (/source)
Oct 13 09:57:17.843 INFO kablam! warning: struct is never constructed: `Scanner`
Oct 13 09:57:17.843 INFO kablam!  --> src/scanner.rs:4:1
Oct 13 09:57:17.843 INFO kablam!   |
Oct 13 09:57:17.843 INFO kablam! 4 | pub struct Scanner<'t> {
Oct 13 09:57:17.843 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:57:17.843 INFO kablam!   |
Oct 13 09:57:17.843 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 09:57:17.843 INFO kablam! 
Oct 13 09:57:17.843 INFO kablam! warning: method is never used: `new`
Oct 13 09:57:17.843 INFO kablam!   --> src/scanner.rs:11:5
Oct 13 09:57:17.843 INFO kablam!    |
Oct 13 09:57:17.843 INFO kablam! 11 |     pub fn new<'a>(source: &'a str) -> Scanner<'a> {
Oct 13 09:57:17.843 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:57:17.843 INFO kablam! 
Oct 13 09:57:17.843 INFO kablam! warning: method is never used: `position`
Oct 13 09:57:17.843 INFO kablam!   --> src/scanner.rs:19:5
Oct 13 09:57:17.843 INFO kablam!    |
Oct 13 09:57:17.843 INFO kablam! 19 |     pub fn position(&self) -> usize {
Oct 13 09:57:17.843 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:57:17.843 INFO kablam! 
Oct 13 09:57:17.843 INFO kablam! warning: method is never used: `is_eos`
Oct 13 09:57:17.843 INFO kablam!   --> src/scanner.rs:23:5
Oct 13 09:57:17.843 INFO kablam!    |
Oct 13 09:57:17.843 INFO kablam! 23 |     pub fn is_eos(&self) -> bool {
Oct 13 09:57:17.843 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:57:17.843 INFO kablam! 
Oct 13 09:57:17.843 INFO kablam! warning: method is never used: `skip`
Oct 13 09:57:17.843 INFO kablam!   --> src/scanner.rs:27:5
Oct 13 09:57:17.843 INFO kablam!    |
Oct 13 09:57:17.843 INFO kablam! 27 |     pub fn skip(&self, n: usize) {
Oct 13 09:57:17.843 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:57:17.843 INFO kablam! 
Oct 13 09:57:17.843 INFO kablam! warning: method is never used: `rest`
Oct 13 09:57:17.843 INFO kablam!   --> src/scanner.rs:32:5
Oct 13 09:57:17.843 INFO kablam!    |
Oct 13 09:57:17.843 INFO kablam! 32 |     pub fn rest(&self) -> Option<&str> {
Oct 13 09:57:17.843 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:57:17.843 INFO kablam! 
Oct 13 09:57:17.843 INFO kablam! warning: method is never used: `get_char`
Oct 13 09:57:17.843 INFO kablam!   --> src/scanner.rs:37:5
Oct 13 09:57:17.843 INFO kablam!    |
Oct 13 09:57:17.843 INFO kablam! 37 |     pub fn get_char(&self) -> Option<&str> {
Oct 13 09:57:17.843 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:57:17.843 INFO kablam! 
Oct 13 09:57:17.843 INFO kablam! warning: method is never used: `scan`
Oct 13 09:57:17.843 INFO kablam!   --> src/scanner.rs:47:5
Oct 13 09:57:17.843 INFO kablam!    |
Oct 13 09:57:17.843 INFO kablam! 47 |     pub fn scan(&self, pattern: &::regex::Regex) -> Option<&str> {
Oct 13 09:57:17.843 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:57:17.843 INFO kablam! 
Oct 13 09:57:17.843 INFO kablam! warning: method is never used: `get_match`
Oct 13 09:57:17.843 INFO kablam!   --> src/scanner.rs:56:5
Oct 13 09:57:17.843 INFO kablam!    |
Oct 13 09:57:17.843 INFO kablam! 56 |     fn get_match<'a>(&'a self, source: &'a str, captures: &::regex::Captures) -> Option<&str> {
Oct 13 09:57:17.843 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:57:17.843 INFO kablam! 
Oct 13 09:57:17.843 INFO kablam! warning: method is never used: `leading_chars`
Oct 13 09:57:17.843 INFO kablam!   --> src/scanner.rs:69:5
Oct 13 09:57:17.843 INFO kablam!    |
Oct 13 09:57:17.843 INFO kablam! 69 |     fn leading_chars(&self, string: &str) -> usize {
Oct 13 09:57:17.844 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:57:17.844 INFO kablam! 
Oct 13 09:57:17.844 INFO kablam! warning: method is never used: `raw`
Oct 13 09:57:17.844 INFO kablam!   --> src/scanner.rs:73:5
Oct 13 09:57:17.844 INFO kablam!    |
Oct 13 09:57:17.844 INFO kablam! 73 |     fn raw(&self) -> &str {
Oct 13 09:57:17.844 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 13 09:57:17.844 INFO kablam! 
Oct 13 09:57:18.159 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
Oct 13 09:57:18.159 INFO kablam! su: No module specific data is present
Oct 13 09:57:18.639 INFO running `"docker" "rm" "-f" "e75435259e292ccb2232448c5de621c5cd97a0d8983d4a1186c15d217c08838f"`
Oct 13 09:57:18.837 INFO blam! e75435259e292ccb2232448c5de621c5cd97a0d8983d4a1186c15d217c08838f