Dec 18 12:51:15.383 INFO checking print-flat-tree-1.1.3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 12:51:15.383 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/print-flat-tree/1.1.3:/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 12:51:15.880 INFO [stdout] 9a0a4fa74a3be6ce4cdd5d2be6dc8ab14861c9e0b1903e54373b8b7ef7b6ccb7
Dec 18 12:51:15.882 INFO running `"docker" "start" "-a" "9a0a4fa74a3be6ce4cdd5d2be6dc8ab14861c9e0b1903e54373b8b7ef7b6ccb7"`
Dec 18 12:51:17.361 INFO [stderr]     Checking flat-tree v3.7.0
Dec 18 12:51:17.940 INFO [stderr]     Checking print-flat-tree v1.1.3 (/opt/crater/workdir)
Dec 18 12:51:18.392 INFO [stderr] error: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 18 12:51:18.392 INFO [stderr]   --> src/lib.rs:99:32
Dec 18 12:51:18.392 INFO [stderr]    |
Dec 18 12:51:18.392 INFO [stderr] 99 |     let partial = arr.join("").trim_right().to_string() + "\n";
Dec 18 12:51:18.392 INFO [stderr]    |                                ^^^^^^^^^^
Dec 18 12:51:18.421 INFO [stderr]    |
Dec 18 12:51:18.421 INFO [stderr] note: lint level defined here
Dec 18 12:51:18.421 INFO [stderr]   --> src/lib.rs:52:9
Dec 18 12:51:18.421 INFO [stderr]    |
Dec 18 12:51:18.421 INFO [stderr] 52 | #![deny(warnings)]
Dec 18 12:51:18.421 INFO [stderr]    |         ^^^^^^^^
Dec 18 12:51:18.421 INFO [stderr]    = note: #[deny(deprecated)] implied by #[deny(warnings)]
Dec 18 12:51:18.421 INFO [stderr] 
Dec 18 12:51:18.424 INFO [stderr] error: aborting due to previous error
Dec 18 12:51:18.424 INFO [stderr] 
Dec 18 12:51:18.440 INFO [stderr] error: Could not compile `print-flat-tree`.
Dec 18 12:51:18.440 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 12:51:18.532 INFO [stderr] error: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 18 12:51:18.544 INFO [stderr]   --> src/lib.rs:99:32
Dec 18 12:51:18.544 INFO [stderr]    |
Dec 18 12:51:18.544 INFO [stderr] 99 |     let partial = arr.join("").trim_right().to_string() + "\n";
Dec 18 12:51:18.544 INFO [stderr]    |                                ^^^^^^^^^^
Dec 18 12:51:18.544 INFO [stderr]    |
Dec 18 12:51:18.544 INFO [stderr] note: lint level defined here
Dec 18 12:51:18.544 INFO [stderr]   --> src/lib.rs:52:9
Dec 18 12:51:18.544 INFO [stderr]    |
Dec 18 12:51:18.544 INFO [stderr] 52 | #![deny(warnings)]
Dec 18 12:51:18.544 INFO [stderr]    |         ^^^^^^^^
Dec 18 12:51:18.544 INFO [stderr]    = note: #[deny(deprecated)] implied by #[deny(warnings)]
Dec 18 12:51:18.544 INFO [stderr] 
Dec 18 12:51:18.546 INFO [stderr] error: aborting due to previous error
Dec 18 12:51:18.546 INFO [stderr] 
Dec 18 12:51:18.558 INFO [stderr] error: Could not compile `print-flat-tree`.
Dec 18 12:51:18.559 INFO [stderr] 
Dec 18 12:51:18.559 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 12:51:19.202 INFO running `"docker" "inspect" "9a0a4fa74a3be6ce4cdd5d2be6dc8ab14861c9e0b1903e54373b8b7ef7b6ccb7"`
Dec 18 12:51:19.504 INFO running `"docker" "rm" "-f" "9a0a4fa74a3be6ce4cdd5d2be6dc8ab14861c9e0b1903e54373b8b7ef7b6ccb7"`
Dec 18 12:51:19.876 INFO [stdout] 9a0a4fa74a3be6ce4cdd5d2be6dc8ab14861c9e0b1903e54373b8b7ef7b6ccb7