Dec 05 16:38:18.257 INFO checking appendbuf-0.1.6 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 16:38:18.259 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 16:38:18.459 INFO [stdout] d94d5c75d1150b3205aa272442f4a1bbb556c11bd2773bd76817ca9ffc3ab583
Dec 05 16:38:18.465 INFO running `"docker" "start" "-a" "d94d5c75d1150b3205aa272442f4a1bbb556c11bd2773bd76817ca9ffc3ab583"`
Dec 05 16:38:19.211 INFO [stderr] usermod: no changes
Dec 05 16:38:19.267 INFO [stderr]     Checking appendbuf v0.1.6 (/source)
Dec 05 16:38:20.060 INFO [stderr] warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Dec 05 16:38:20.060 INFO [stderr]    --> src/lib.rs:401:1
Dec 05 16:38:20.060 INFO [stderr]     |
Dec 05 16:38:20.060 INFO [stderr] 401 | #[should_panic = "the desired offset"]
Dec 05 16:38:20.060 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:38:20.060 INFO [stderr]     |
Dec 05 16:38:20.060 INFO [stderr]     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Dec 05 16:38:20.060 INFO [stderr] 
Dec 05 16:38:20.060 INFO [stderr] warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Dec 05 16:38:20.060 INFO [stderr]    --> src/lib.rs:412:1
Dec 05 16:38:20.060 INFO [stderr]     |
Dec 05 16:38:20.060 INFO [stderr] 412 | #[should_panic = "the desired length"]
Dec 05 16:38:20.060 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 16:38:20.060 INFO [stderr]     |
Dec 05 16:38:20.060 INFO [stderr]     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Dec 05 16:38:20.060 INFO [stderr] 
Dec 05 16:38:20.355 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Dec 05 16:38:20.357 INFO [stderr] su: No module specific data is present
Dec 05 16:38:20.806 INFO running `"docker" "inspect" "d94d5c75d1150b3205aa272442f4a1bbb556c11bd2773bd76817ca9ffc3ab583"`
Dec 05 16:38:20.995 INFO running `"docker" "rm" "-f" "d94d5c75d1150b3205aa272442f4a1bbb556c11bd2773bd76817ca9ffc3ab583"`
Dec 05 16:38:21.177 INFO [stdout] d94d5c75d1150b3205aa272442f4a1bbb556c11bd2773bd76817ca9ffc3ab583