Dec 17 17:51:00.033 INFO checking pierrechevalier83/fw against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 17:51:00.034 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/pierrechevalier83/fw:/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 17 17:51:00.436 INFO [stdout] 8fdd8d4e9b49ea798cff4b479cfbac1deb22c6c587b2c7e549a37a7f211f9166
Dec 17 17:51:00.436 INFO running `"docker" "start" "-a" "8fdd8d4e9b49ea798cff4b479cfbac1deb22c6c587b2c7e549a37a7f211f9166"`
Dec 17 17:51:01.151 INFO [stderr]     Checking fw v0.1.0 (/opt/crater/workdir)
Dec 17 17:51:01.272 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 17 17:51:01.272 INFO [stderr]  --> src/main.rs:2:9
Dec 17 17:51:01.272 INFO [stderr]   |
Dec 17 17:51:01.272 INFO [stderr] 2 |     use std::ascii::AsciiExt;
Dec 17 17:51:01.272 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:51:01.272 INFO [stderr]   |
Dec 17 17:51:01.272 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 17 17:51:01.272 INFO [stderr] 
Dec 17 17:51:01.287 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 17 17:51:01.288 INFO [stderr]  --> src/main.rs:2:9
Dec 17 17:51:01.288 INFO [stderr]   |
Dec 17 17:51:01.288 INFO [stderr] 2 |     use std::ascii::AsciiExt;
Dec 17 17:51:01.288 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:51:01.288 INFO [stderr]   |
Dec 17 17:51:01.288 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:51:01.288 INFO [stderr] 
Dec 17 17:51:01.297 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 17 17:51:01.297 INFO [stderr]   --> src/main.rs:13:9
Dec 17 17:51:01.297 INFO [stderr]    |
Dec 17 17:51:01.297 INFO [stderr] 13 |         stdin.lock().lines().map(&flatten_line).map(&pretty_print).collect::<Vec<_>>();
Dec 17 17:51:01.297 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:51:01.297 INFO [stderr]    |
Dec 17 17:51:01.297 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 17:51:01.297 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 17 17:51:01.297 INFO [stderr] 
Dec 17 17:51:01.384 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 17 17:51:01.384 INFO [stderr]  --> src/main.rs:2:9
Dec 17 17:51:01.384 INFO [stderr]   |
Dec 17 17:51:01.384 INFO [stderr] 2 |     use std::ascii::AsciiExt;
Dec 17 17:51:01.384 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:51:01.384 INFO [stderr]   |
Dec 17 17:51:01.385 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 17 17:51:01.385 INFO [stderr] 
Dec 17 17:51:01.411 INFO [stderr] warning: unused import: `std::ascii::AsciiExt`
Dec 17 17:51:01.411 INFO [stderr]  --> src/main.rs:2:9
Dec 17 17:51:01.411 INFO [stderr]   |
Dec 17 17:51:01.411 INFO [stderr] 2 |     use std::ascii::AsciiExt;
Dec 17 17:51:01.411 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^^^
Dec 17 17:51:01.411 INFO [stderr]   |
Dec 17 17:51:01.411 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 17:51:01.411 INFO [stderr] 
Dec 17 17:51:01.420 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 17 17:51:01.420 INFO [stderr]   --> src/main.rs:13:9
Dec 17 17:51:01.420 INFO [stderr]    |
Dec 17 17:51:01.420 INFO [stderr] 13 |         stdin.lock().lines().map(&flatten_line).map(&pretty_print).collect::<Vec<_>>();
Dec 17 17:51:01.420 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 17:51:01.420 INFO [stderr]    |
Dec 17 17:51:01.420 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 17:51:01.420 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 17 17:51:01.420 INFO [stderr] 
Dec 17 17:51:01.440 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
Dec 17 17:51:01.817 INFO running `"docker" "inspect" "8fdd8d4e9b49ea798cff4b479cfbac1deb22c6c587b2c7e549a37a7f211f9166"`
Dec 17 17:51:01.991 INFO running `"docker" "rm" "-f" "8fdd8d4e9b49ea798cff4b479cfbac1deb22c6c587b2c7e549a37a7f211f9166"`
Dec 17 17:51:02.104 INFO [stdout] 8fdd8d4e9b49ea798cff4b479cfbac1deb22c6c587b2c7e549a37a7f211f9166