Dec 18 14:08:42.376 INFO checking marksman_escape-0.1.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:08:42.376 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/marksman_escape/0.1.2:/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 14:08:42.756 INFO [stdout] d940a3a1ac66482a1e33620ae8761b97edaeed2150c512eace3d7ec2479ea894
Dec 18 14:08:42.758 INFO running `"docker" "start" "-a" "d940a3a1ac66482a1e33620ae8761b97edaeed2150c512eace3d7ec2479ea894"`
Dec 18 14:08:43.877 INFO [stderr]     Checking marksman_escape v0.1.2 (/opt/crater/workdir)
Dec 18 14:08:53.920 INFO [stderr] error[E0432]: unresolved import `std::str::StrExt`
Dec 18 14:08:53.921 INFO [stderr]  --> benches/unescape.rs:7:5
Dec 18 14:08:53.921 INFO [stderr]   |
Dec 18 14:08:53.921 INFO [stderr] 7 | use std::str::StrExt;
Dec 18 14:08:53.921 INFO [stderr]   |     ^^^^^^^^^^^^^^^^ no `StrExt` in `str`
Dec 18 14:08:53.921 INFO [stderr] 
Dec 18 14:08:53.921 INFO [stderr] warning: unused import: `std::str::StrExt`
Dec 18 14:08:53.921 INFO [stderr]  --> benches/unescape.rs:7:5
Dec 18 14:08:53.921 INFO [stderr]   |
Dec 18 14:08:53.921 INFO [stderr] 7 | use std::str::StrExt;
Dec 18 14:08:53.921 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 14:08:53.921 INFO [stderr]   |
Dec 18 14:08:53.921 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 14:08:53.921 INFO [stderr] 
Dec 18 14:08:53.983 INFO [stderr] error[E0432]: unresolved import `std::str::StrExt`
Dec 18 14:08:53.984 INFO [stderr]  --> benches/escape.rs:7:5
Dec 18 14:08:53.984 INFO [stderr]   |
Dec 18 14:08:53.984 INFO [stderr] 7 | use std::str::StrExt;
Dec 18 14:08:53.984 INFO [stderr]   |     ^^^^^^^^^^^^^^^^ no `StrExt` in `str`
Dec 18 14:08:53.984 INFO [stderr] 
Dec 18 14:08:53.984 INFO [stderr] error: aborting due to previous error
Dec 18 14:08:53.984 INFO [stderr] 
Dec 18 14:08:53.984 INFO [stderr] For more information about this error, try `rustc --explain E0432`.
Dec 18 14:08:53.988 INFO [stderr] warning: unused import: `std::str::StrExt`
Dec 18 14:08:53.988 INFO [stderr]  --> benches/escape.rs:7:5
Dec 18 14:08:53.988 INFO [stderr]   |
Dec 18 14:08:53.988 INFO [stderr] 7 | use std::str::StrExt;
Dec 18 14:08:53.988 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 14:08:53.988 INFO [stderr]   |
Dec 18 14:08:53.988 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 14:08:53.988 INFO [stderr] 
Dec 18 14:08:53.992 INFO [stderr] error: Could not compile `marksman_escape`.
Dec 18 14:08:53.992 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 14:08:54.010 INFO [stderr] error: aborting due to previous error
Dec 18 14:08:54.010 INFO [stderr] 
Dec 18 14:08:54.010 INFO [stderr] For more information about this error, try `rustc --explain E0432`.
Dec 18 14:08:54.018 INFO [stderr] error: Could not compile `marksman_escape`.
Dec 18 14:08:54.018 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 14:08:55.624 INFO [stderr] error: build failed
Dec 18 14:08:55.942 INFO running `"docker" "inspect" "d940a3a1ac66482a1e33620ae8761b97edaeed2150c512eace3d7ec2479ea894"`
Dec 18 14:08:56.021 INFO running `"docker" "rm" "-f" "d940a3a1ac66482a1e33620ae8761b97edaeed2150c512eace3d7ec2479ea894"`
Dec 18 14:08:56.133 INFO [stdout] d940a3a1ac66482a1e33620ae8761b97edaeed2150c512eace3d7ec2479ea894