Nov 07 17:56:36.407 INFO checking appendbuf-0.1.6 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 17:56:36.407 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-4/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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"`
Nov 07 17:56:36.859 INFO blam! 4406fd3986607ca6e80ad7e7e782863c8e42ca8916fd361f9b64af51c47a3bad
Nov 07 17:56:36.860 INFO running `"docker" "start" "-a" "4406fd3986607ca6e80ad7e7e782863c8e42ca8916fd361f9b64af51c47a3bad"`
Nov 07 17:56:37.959 INFO kablam! usermod: no changes
Nov 07 17:56:38.028 INFO kablam!     Checking appendbuf v0.1.6 (/source)
Nov 07 17:56:38.885 INFO kablam! warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Nov 07 17:56:38.885 INFO kablam!    --> src/lib.rs:401:1
Nov 07 17:56:38.885 INFO kablam!     |
Nov 07 17:56:38.885 INFO kablam! 401 | #[should_panic = "the desired offset"]
Nov 07 17:56:38.886 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 17:56:38.886 INFO kablam!     |
Nov 07 17:56:38.886 INFO kablam!     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Nov 07 17:56:38.886 INFO kablam! 
Nov 07 17:56:38.887 INFO kablam! warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Nov 07 17:56:38.887 INFO kablam!    --> src/lib.rs:412:1
Nov 07 17:56:38.887 INFO kablam!     |
Nov 07 17:56:38.888 INFO kablam! 412 | #[should_panic = "the desired length"]
Nov 07 17:56:38.888 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 17:56:38.888 INFO kablam!     |
Nov 07 17:56:38.888 INFO kablam!     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Nov 07 17:56:38.889 INFO kablam! 
Nov 07 17:56:39.176 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Nov 07 17:56:39.180 INFO kablam! su: No module specific data is present
Nov 07 17:56:39.820 INFO running `"docker" "rm" "-f" "4406fd3986607ca6e80ad7e7e782863c8e42ca8916fd361f9b64af51c47a3bad"`
Nov 07 17:56:40.088 INFO blam! 4406fd3986607ca6e80ad7e7e782863c8e42ca8916fd361f9b64af51c47a3bad