Dec 14 17:48:57.475 INFO testing syntex_syntax-0.59.1 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 17:48:57.475 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 17:48:57.628 INFO [stdout] e0a5060d4f2da36352ad22107bcabeab35dffda63f861c8e43b61375a4a342b7
Dec 14 17:48:57.630 INFO running `"docker" "start" "-a" "e0a5060d4f2da36352ad22107bcabeab35dffda63f861c8e43b61375a4a342b7"`
Dec 14 17:48:58.073 INFO [stderr] usermod: no changes
Dec 14 17:48:58.163 INFO [stderr]    Compiling serde v1.0.82
Dec 14 17:48:58.168 INFO [stderr]    Compiling extprim v1.6.0
Dec 14 17:49:07.991 INFO [stderr]    Compiling syntex_pos v0.59.1
Dec 14 17:49:07.991 INFO [stderr]    Compiling serde_json v1.0.33
Dec 14 17:49:10.489 INFO [stderr]    Compiling syntex_errors v0.59.1
Dec 14 17:49:16.582 INFO [stderr]    Compiling syntex_syntax v0.59.1 (/source)
Dec 14 17:49:22.009 INFO [stderr] error: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 14 17:49:22.009 INFO [stderr]   --> src/feature_gate.rs:38:5
Dec 14 17:49:22.009 INFO [stderr]    |
Dec 14 17:49:22.009 INFO [stderr] 38 | use std::ascii::AsciiExt;
Dec 14 17:49:22.009 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 17:49:22.009 INFO [stderr]    |
Dec 14 17:49:22.009 INFO [stderr] note: lint level defined here
Dec 14 17:49:22.009 INFO [stderr]   --> src/lib.rs:21:9
Dec 14 17:49:22.009 INFO [stderr]    |
Dec 14 17:49:22.009 INFO [stderr] 21 | #![deny(warnings)]
Dec 14 17:49:22.009 INFO [stderr]    |         ^^^^^^^^
Dec 14 17:49:22.009 INFO [stderr]    = note: #[deny(deprecated)] implied by #[deny(warnings)]
Dec 14 17:49:22.009 INFO [stderr] 
Dec 14 17:49:28.819 INFO [stderr] error: unused import: `std::ascii::AsciiExt`
Dec 14 17:49:28.819 INFO [stderr]   --> src/feature_gate.rs:38:5
Dec 14 17:49:28.819 INFO [stderr]    |
Dec 14 17:49:28.819 INFO [stderr] 38 | use std::ascii::AsciiExt;
Dec 14 17:49:28.819 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 14 17:49:28.819 INFO [stderr]    |
Dec 14 17:49:28.819 INFO [stderr] note: lint level defined here
Dec 14 17:49:28.819 INFO [stderr]   --> src/lib.rs:21:9
Dec 14 17:49:28.819 INFO [stderr]    |
Dec 14 17:49:28.819 INFO [stderr] 21 | #![deny(warnings)]
Dec 14 17:49:28.819 INFO [stderr]    |         ^^^^^^^^
Dec 14 17:49:28.819 INFO [stderr]    = note: #[deny(unused_imports)] implied by #[deny(warnings)]
Dec 14 17:49:28.819 INFO [stderr] 
Dec 14 17:49:28.891 INFO [stderr] error: aborting due to 2 previous errors
Dec 14 17:49:28.891 INFO [stderr] 
Dec 14 17:49:28.918 INFO [stderr] error: Could not compile `syntex_syntax`.
Dec 14 17:49:28.919 INFO [stderr] 
Dec 14 17:49:28.919 INFO [stderr] To learn more, run the command again with --verbose.
Dec 14 17:49:28.919 INFO [stderr] su: No module specific data is present
Dec 14 17:49:29.583 INFO running `"docker" "inspect" "e0a5060d4f2da36352ad22107bcabeab35dffda63f861c8e43b61375a4a342b7"`
Dec 14 17:49:30.044 INFO running `"docker" "rm" "-f" "e0a5060d4f2da36352ad22107bcabeab35dffda63f861c8e43b61375a4a342b7"`
Dec 14 17:49:30.283 INFO [stdout] e0a5060d4f2da36352ad22107bcabeab35dffda63f861c8e43b61375a4a342b7