Nov 28 19:36:31.631 INFO checking riquid-0.0.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 19:36:31.633 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 19:36:31.929 INFO [stdout] b9b0cadb6bd5901afe28b32a823ccaf5ba067da2916fdbfaedc415f06ef99e8d
Nov 28 19:36:31.934 INFO running `"docker" "start" "-a" "b9b0cadb6bd5901afe28b32a823ccaf5ba067da2916fdbfaedc415f06ef99e8d"`
Nov 28 19:36:32.400 INFO [stderr] usermod: no changes
Nov 28 19:36:32.452 INFO [stderr]     Checking riquid v0.0.1 (/source)
Nov 28 19:36:33.368 INFO [stderr] warning: struct is never constructed: `Scanner`
Nov 28 19:36:33.368 INFO [stderr]  --> src/scanner.rs:4:1
Nov 28 19:36:33.368 INFO [stderr]   |
Nov 28 19:36:33.368 INFO [stderr] 4 | pub struct Scanner<'t> {
Nov 28 19:36:33.368 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 28 19:36:33.368 INFO [stderr]   |
Nov 28 19:36:33.368 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 28 19:36:33.368 INFO [stderr] 
Nov 28 19:36:33.368 INFO [stderr] warning: method is never used: `new`
Nov 28 19:36:33.368 INFO [stderr]   --> src/scanner.rs:11:5
Nov 28 19:36:33.368 INFO [stderr]    |
Nov 28 19:36:33.368 INFO [stderr] 11 |     pub fn new<'a>(source: &'a str) -> Scanner<'a> {
Nov 28 19:36:33.368 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 19:36:33.368 INFO [stderr] 
Nov 28 19:36:33.368 INFO [stderr] warning: method is never used: `position`
Nov 28 19:36:33.368 INFO [stderr]   --> src/scanner.rs:19:5
Nov 28 19:36:33.368 INFO [stderr]    |
Nov 28 19:36:33.368 INFO [stderr] 19 |     pub fn position(&self) -> usize {
Nov 28 19:36:33.368 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 19:36:33.368 INFO [stderr] 
Nov 28 19:36:33.368 INFO [stderr] warning: method is never used: `is_eos`
Nov 28 19:36:33.368 INFO [stderr]   --> src/scanner.rs:23:5
Nov 28 19:36:33.368 INFO [stderr]    |
Nov 28 19:36:33.368 INFO [stderr] 23 |     pub fn is_eos(&self) -> bool {
Nov 28 19:36:33.368 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 19:36:33.368 INFO [stderr] 
Nov 28 19:36:33.368 INFO [stderr] warning: method is never used: `skip`
Nov 28 19:36:33.368 INFO [stderr]   --> src/scanner.rs:27:5
Nov 28 19:36:33.368 INFO [stderr]    |
Nov 28 19:36:33.368 INFO [stderr] 27 |     pub fn skip(&self, n: usize) {
Nov 28 19:36:33.368 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 19:36:33.368 INFO [stderr] 
Nov 28 19:36:33.368 INFO [stderr] warning: method is never used: `rest`
Nov 28 19:36:33.368 INFO [stderr]   --> src/scanner.rs:32:5
Nov 28 19:36:33.368 INFO [stderr]    |
Nov 28 19:36:33.368 INFO [stderr] 32 |     pub fn rest(&self) -> Option<&str> {
Nov 28 19:36:33.368 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 19:36:33.368 INFO [stderr] 
Nov 28 19:36:33.369 INFO [stderr] warning: method is never used: `get_char`
Nov 28 19:36:33.369 INFO [stderr]   --> src/scanner.rs:37:5
Nov 28 19:36:33.369 INFO [stderr]    |
Nov 28 19:36:33.369 INFO [stderr] 37 |     pub fn get_char(&self) -> Option<&str> {
Nov 28 19:36:33.369 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 19:36:33.369 INFO [stderr] 
Nov 28 19:36:33.369 INFO [stderr] warning: method is never used: `scan`
Nov 28 19:36:33.369 INFO [stderr]   --> src/scanner.rs:47:5
Nov 28 19:36:33.369 INFO [stderr]    |
Nov 28 19:36:33.369 INFO [stderr] 47 |     pub fn scan(&self, pattern: &::regex::Regex) -> Option<&str> {
Nov 28 19:36:33.369 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 19:36:33.369 INFO [stderr] 
Nov 28 19:36:33.369 INFO [stderr] warning: method is never used: `get_match`
Nov 28 19:36:33.369 INFO [stderr]   --> src/scanner.rs:56:5
Nov 28 19:36:33.369 INFO [stderr]    |
Nov 28 19:36:33.369 INFO [stderr] 56 |     fn get_match<'a>(&'a self, source: &'a str, captures: &::regex::Captures) -> Option<&str> {
Nov 28 19:36:33.369 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 19:36:33.369 INFO [stderr] 
Nov 28 19:36:33.369 INFO [stderr] warning: method is never used: `leading_chars`
Nov 28 19:36:33.369 INFO [stderr]   --> src/scanner.rs:69:5
Nov 28 19:36:33.369 INFO [stderr]    |
Nov 28 19:36:33.369 INFO [stderr] 69 |     fn leading_chars(&self, string: &str) -> usize {
Nov 28 19:36:33.369 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 19:36:33.369 INFO [stderr] 
Nov 28 19:36:33.369 INFO [stderr] warning: method is never used: `raw`
Nov 28 19:36:33.369 INFO [stderr]   --> src/scanner.rs:73:5
Nov 28 19:36:33.369 INFO [stderr]    |
Nov 28 19:36:33.369 INFO [stderr] 73 |     fn raw(&self) -> &str {
Nov 28 19:36:33.369 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 28 19:36:33.369 INFO [stderr] 
Nov 28 19:36:33.740 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Nov 28 19:36:33.740 INFO [stderr] su: No module specific data is present
Nov 28 19:36:34.086 INFO running `"docker" "inspect" "b9b0cadb6bd5901afe28b32a823ccaf5ba067da2916fdbfaedc415f06ef99e8d"`
Nov 28 19:36:34.258 INFO running `"docker" "rm" "-f" "b9b0cadb6bd5901afe28b32a823ccaf5ba067da2916fdbfaedc415f06ef99e8d"`
Nov 28 19:36:34.429 INFO [stdout] b9b0cadb6bd5901afe28b32a823ccaf5ba067da2916fdbfaedc415f06ef99e8d