Dec 12 11:39:13.894 INFO checking marksman_escape-0.1.2 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 11:39:13.894 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-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 12 11:39:14.323 INFO [stdout] 8c1cd581be5a09d190e04ac90256622b48b0bd6c478a71f68dcee010e53642f4
Dec 12 11:39:14.323 INFO running `"docker" "start" "-a" "8c1cd581be5a09d190e04ac90256622b48b0bd6c478a71f68dcee010e53642f4"`
Dec 12 11:39:15.826 INFO [stderr] usermod: no changes
Dec 12 11:39:15.920 INFO [stderr]     Checking marksman_escape v0.1.2 (/source)
Dec 12 11:39:28.004 INFO [stderr] error[E0432]: unresolved import `std::str::StrExt`
Dec 12 11:39:28.004 INFO [stderr]  --> benches/unescape.rs:7:5
Dec 12 11:39:28.004 INFO [stderr]   |
Dec 12 11:39:28.004 INFO [stderr] 7 | use std::str::StrExt;
Dec 12 11:39:28.004 INFO [stderr]   |     ^^^^^^^^^^^^^^^^ no `StrExt` in `str`
Dec 12 11:39:28.004 INFO [stderr] 
Dec 12 11:39:28.009 INFO [stderr] warning: unused import: `std::str::StrExt`
Dec 12 11:39:28.009 INFO [stderr]  --> benches/unescape.rs:7:5
Dec 12 11:39:28.009 INFO [stderr]   |
Dec 12 11:39:28.009 INFO [stderr] 7 | use std::str::StrExt;
Dec 12 11:39:28.009 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 12 11:39:28.009 INFO [stderr]   |
Dec 12 11:39:28.009 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 11:39:28.009 INFO [stderr] 
Dec 12 11:39:28.072 INFO [stderr] error: aborting due to previous error
Dec 12 11:39:28.072 INFO [stderr] 
Dec 12 11:39:28.072 INFO [stderr] For more information about this error, try `rustc --explain E0432`.
Dec 12 11:39:28.077 INFO [stderr] error: Could not compile `marksman_escape`.
Dec 12 11:39:28.077 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 11:39:28.692 INFO [stderr] error[E0432]: unresolved import `std::str::StrExt`
Dec 12 11:39:28.692 INFO [stderr]  --> benches/escape.rs:7:5
Dec 12 11:39:28.692 INFO [stderr]   |
Dec 12 11:39:28.692 INFO [stderr] 7 | use std::str::StrExt;
Dec 12 11:39:28.692 INFO [stderr]   |     ^^^^^^^^^^^^^^^^ no `StrExt` in `str`
Dec 12 11:39:28.692 INFO [stderr] 
Dec 12 11:39:28.692 INFO [stderr] warning: unused import: `std::str::StrExt`
Dec 12 11:39:28.692 INFO [stderr]  --> benches/escape.rs:7:5
Dec 12 11:39:28.692 INFO [stderr]   |
Dec 12 11:39:28.692 INFO [stderr] 7 | use std::str::StrExt;
Dec 12 11:39:28.692 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 12 11:39:28.692 INFO [stderr]   |
Dec 12 11:39:28.692 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 11:39:28.692 INFO [stderr] 
Dec 12 11:39:28.726 INFO [stderr] error: aborting due to previous error
Dec 12 11:39:28.726 INFO [stderr] 
Dec 12 11:39:28.726 INFO [stderr] For more information about this error, try `rustc --explain E0432`.
Dec 12 11:39:28.732 INFO [stderr] error: Could not compile `marksman_escape`.
Dec 12 11:39:28.732 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 11:39:30.095 INFO [stderr] error: build failed
Dec 12 11:39:30.095 INFO [stderr] su: No module specific data is present
Dec 12 11:39:30.814 INFO running `"docker" "inspect" "8c1cd581be5a09d190e04ac90256622b48b0bd6c478a71f68dcee010e53642f4"`
Dec 12 11:39:30.919 INFO running `"docker" "rm" "-f" "8c1cd581be5a09d190e04ac90256622b48b0bd6c478a71f68dcee010e53642f4"`
Dec 12 11:39:31.100 INFO [stdout] 8c1cd581be5a09d190e04ac90256622b48b0bd6c478a71f68dcee010e53642f4