Nov 29 04:35:46.210 INFO checking appendbuf-0.1.6 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 04:35:46.210 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 29 04:35:46.544 INFO [stdout] 4dbc822a75b804d76a252bd40414bc801fb80e50a12f1e4ca40b0b0df197aad2
Nov 29 04:35:46.546 INFO running `"docker" "start" "-a" "4dbc822a75b804d76a252bd40414bc801fb80e50a12f1e4ca40b0b0df197aad2"`
Nov 29 04:35:47.444 INFO [stderr] usermod: no changes
Nov 29 04:35:47.496 INFO [stderr]     Checking memalloc v0.1.0
Nov 29 04:35:48.396 INFO [stderr]     Checking appendbuf v0.1.6 (/source)
Nov 29 04:35:49.348 INFO [stderr] warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Nov 29 04:35:49.348 INFO [stderr]    --> src/lib.rs:401:1
Nov 29 04:35:49.348 INFO [stderr]     |
Nov 29 04:35:49.348 INFO [stderr] 401 | #[should_panic = "the desired offset"]
Nov 29 04:35:49.348 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 04:35:49.348 INFO [stderr]     |
Nov 29 04:35:49.348 INFO [stderr]     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Nov 29 04:35:49.348 INFO [stderr] 
Nov 29 04:35:49.352 INFO [stderr] warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
Nov 29 04:35:49.352 INFO [stderr]    --> src/lib.rs:412:1
Nov 29 04:35:49.352 INFO [stderr]     |
Nov 29 04:35:49.352 INFO [stderr] 412 | #[should_panic = "the desired length"]
Nov 29 04:35:49.352 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 04:35:49.352 INFO [stderr]     |
Nov 29 04:35:49.352 INFO [stderr]     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
Nov 29 04:35:49.352 INFO [stderr] 
Nov 29 04:35:49.632 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
Nov 29 04:35:49.635 INFO [stderr] su: No module specific data is present
Nov 29 04:35:50.286 INFO running `"docker" "inspect" "4dbc822a75b804d76a252bd40414bc801fb80e50a12f1e4ca40b0b0df197aad2"`
Nov 29 04:35:50.522 INFO running `"docker" "rm" "-f" "4dbc822a75b804d76a252bd40414bc801fb80e50a12f1e4ca40b0b0df197aad2"`
Nov 29 04:35:50.760 INFO [stdout] 4dbc822a75b804d76a252bd40414bc801fb80e50a12f1e4ca40b0b0df197aad2