Nov 18 09:49:51.941 INFO testing heapless-0.3.7 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 09:49:51.941 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 18 09:49:52.202 INFO [stdout] f9a4b6687a88e16bd6e81b3fa85abce4aa01124fbb1add611065ce4509414306
Nov 18 09:49:52.208 INFO running `"docker" "start" "-a" "f9a4b6687a88e16bd6e81b3fa85abce4aa01124fbb1add611065ce4509414306"`
Nov 18 09:49:52.626 INFO [stderr] usermod: no changes
Nov 18 09:49:52.671 INFO [stderr]    Compiling hash32 v0.1.0
Nov 18 09:49:53.130 INFO [stderr]    Compiling heapless v0.3.7 (/source)
Nov 18 09:49:54.417 INFO [stderr] error[E0635]: unknown feature `const_manually_drop_new`
Nov 18 09:49:54.417 INFO [stderr]   --> src/lib.rs:86:43
Nov 18 09:49:54.417 INFO [stderr]    |
Nov 18 09:49:54.417 INFO [stderr] 86 | #![cfg_attr(feature = "const-fn", feature(const_manually_drop_new))]
Nov 18 09:49:54.417 INFO [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 09:49:54.417 INFO [stderr] 
Nov 18 09:49:54.427 INFO [stderr] error: aborting due to previous error
Nov 18 09:49:54.427 INFO [stderr] 
Nov 18 09:49:54.427 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Nov 18 09:49:54.434 INFO [stderr] error: Could not compile `heapless`.
Nov 18 09:49:54.434 INFO [stderr] 
Nov 18 09:49:54.434 INFO [stderr] To learn more, run the command again with --verbose.
Nov 18 09:49:54.436 INFO [stderr] su: No module specific data is present
Nov 18 09:49:54.685 INFO running `"docker" "inspect" "f9a4b6687a88e16bd6e81b3fa85abce4aa01124fbb1add611065ce4509414306"`
Nov 18 09:49:54.795 INFO running `"docker" "rm" "-f" "f9a4b6687a88e16bd6e81b3fa85abce4aa01124fbb1add611065ce4509414306"`
Nov 18 09:49:54.862 INFO [stdout] f9a4b6687a88e16bd6e81b3fa85abce4aa01124fbb1add611065ce4509414306