Nov 02 01:53:16.524 INFO checking appendbuf-0.1.6 against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 02 01:53:16.526 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 02 01:53:17.003 INFO blam! bbc25d0dc7c554b4712c65b990761f20027598d2b39a99a97b966b26b40f203d
Nov 02 01:53:17.009 INFO running `"docker" "start" "-a" "bbc25d0dc7c554b4712c65b990761f20027598d2b39a99a97b966b26b40f203d"`
Nov 02 01:53:18.165 INFO kablam! usermod: no changes
Nov 02 01:53:18.273 INFO kablam!     Checking appendbuf v0.1.6 (/source)
Nov 02 01:53:19.305 INFO kablam! warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Nov 02 01:53:19.305 INFO kablam!    --> src/lib.rs:401:1
Nov 02 01:53:19.305 INFO kablam!     |
Nov 02 01:53:19.305 INFO kablam! 401 | #[should_panic = "the desired offset"]
Nov 02 01:53:19.305 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:53:19.305 INFO kablam!     |
Nov 02 01:53:19.305 INFO kablam!     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Nov 02 01:53:19.305 INFO kablam! 
Nov 02 01:53:19.308 INFO kablam! warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Nov 02 01:53:19.312 INFO kablam!    --> src/lib.rs:412:1
Nov 02 01:53:19.312 INFO kablam!     |
Nov 02 01:53:19.312 INFO kablam! 412 | #[should_panic = "the desired length"]
Nov 02 01:53:19.312 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 01:53:19.312 INFO kablam!     |
Nov 02 01:53:19.312 INFO kablam!     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Nov 02 01:53:19.312 INFO kablam! 
Nov 02 01:53:19.595 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
Nov 02 01:53:19.599 INFO kablam! su: No module specific data is present
Nov 02 01:53:20.094 INFO running `"docker" "rm" "-f" "bbc25d0dc7c554b4712c65b990761f20027598d2b39a99a97b966b26b40f203d"`
Nov 02 01:53:20.401 INFO blam! bbc25d0dc7c554b4712c65b990761f20027598d2b39a99a97b966b26b40f203d