Oct 13 18:03:54.829 INFO checking appendbuf-0.1.6 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 18:03:54.829 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 18:03:55.386 INFO blam! c8073585e02e0cef8679a5ebb76fcbb1beac24aaa583a3c89672304f2fdc80c9
Oct 13 18:03:55.396 INFO running `"docker" "start" "-a" "c8073585e02e0cef8679a5ebb76fcbb1beac24aaa583a3c89672304f2fdc80c9"`
Oct 13 18:03:56.707 INFO kablam! usermod: no changes
Oct 13 18:03:56.780 INFO kablam!     Checking memalloc v0.1.0
Oct 13 18:03:57.492 INFO kablam!     Checking appendbuf v0.1.6 (/source)
Oct 13 18:03:58.824 INFO kablam! warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Oct 13 18:03:58.824 INFO kablam!    --> src/lib.rs:401:1
Oct 13 18:03:58.825 INFO kablam!     |
Oct 13 18:03:58.825 INFO kablam! 401 | #[should_panic = "the desired offset"]
Oct 13 18:03:58.825 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 18:03:58.825 INFO kablam!     |
Oct 13 18:03:58.826 INFO kablam!     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Oct 13 18:03:58.826 INFO kablam! 
Oct 13 18:03:58.826 INFO kablam! warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Oct 13 18:03:58.827 INFO kablam!    --> src/lib.rs:412:1
Oct 13 18:03:58.827 INFO kablam!     |
Oct 13 18:03:58.827 INFO kablam! 412 | #[should_panic = "the desired length"]
Oct 13 18:03:58.827 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 18:03:58.828 INFO kablam!     |
Oct 13 18:03:58.828 INFO kablam!     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Oct 13 18:03:58.828 INFO kablam! 
Oct 13 18:03:59.134 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
Oct 13 18:03:59.144 INFO kablam! su: No module specific data is present
Oct 13 18:03:59.566 INFO running `"docker" "rm" "-f" "c8073585e02e0cef8679a5ebb76fcbb1beac24aaa583a3c89672304f2fdc80c9"`
Oct 13 18:03:59.889 INFO blam! c8073585e02e0cef8679a5ebb76fcbb1beac24aaa583a3c89672304f2fdc80c9