Dec 18 12:21:09.954 INFO checking rfc-0.3.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:21:09.955 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rfc/0.3.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:21:10.152 INFO [stdout] dcc57e5ad848c8b37f78d5ec1775275d35209e4c6ac6c86fde3e7a64237d7db2
Dec 18 12:21:10.170 INFO running `"docker" "start" "-a" "dcc57e5ad848c8b37f78d5ec1775275d35209e4c6ac6c86fde3e7a64237d7db2"`
Dec 18 12:21:10.665 INFO [stderr]     Checking rfc v0.3.0 (/opt/crater/workdir)
Dec 18 12:21:11.007 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 18 12:21:11.007 INFO [stderr]   --> src/main.rs:29:5
Dec 18 12:21:11.007 INFO [stderr]    |
Dec 18 12:21:11.007 INFO [stderr] 29 | use std::ascii::AsciiExt;
Dec 18 12:21:11.007 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 12:21:11.007 INFO [stderr]    |
Dec 18 12:21:11.007 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 12:21:11.007 INFO [stderr] 
Dec 18 12:21:11.025 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 18 12:21:11.025 INFO [stderr]   --> src/main.rs:29:5
Dec 18 12:21:11.025 INFO [stderr]    |
Dec 18 12:21:11.025 INFO [stderr] 29 | use std::ascii::AsciiExt;
Dec 18 12:21:11.025 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 12:21:11.025 INFO [stderr]    |
Dec 18 12:21:11.025 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 12:21:11.025 INFO [stderr] 
Dec 18 12:21:11.122 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 18 12:21:11.122 INFO [stderr]   --> src/main.rs:29:5
Dec 18 12:21:11.122 INFO [stderr]    |
Dec 18 12:21:11.122 INFO [stderr] 29 | use std::ascii::AsciiExt;
Dec 18 12:21:11.122 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 12:21:11.122 INFO [stderr]    |
Dec 18 12:21:11.122 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 12:21:11.122 INFO [stderr] 
Dec 18 12:21:11.180 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 18 12:21:11.180 INFO [stderr]   --> src/main.rs:29:5
Dec 18 12:21:11.180 INFO [stderr]    |
Dec 18 12:21:11.180 INFO [stderr] 29 | use std::ascii::AsciiExt;
Dec 18 12:21:11.180 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 18 12:21:11.180 INFO [stderr]    |
Dec 18 12:21:11.180 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 12:21:11.180 INFO [stderr] 
Dec 18 12:21:11.292 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 18 12:21:11.727 INFO running `"docker" "inspect" "dcc57e5ad848c8b37f78d5ec1775275d35209e4c6ac6c86fde3e7a64237d7db2"`
Dec 18 12:21:11.848 INFO running `"docker" "rm" "-f" "dcc57e5ad848c8b37f78d5ec1775275d35209e4c6ac6c86fde3e7a64237d7db2"`
Dec 18 12:21:12.020 INFO [stdout] dcc57e5ad848c8b37f78d5ec1775275d35209e4c6ac6c86fde3e7a64237d7db2