Dec 13 01:29:26.104 INFO testing svalat/hpc_allocator_rust against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 01:29:26.104 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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"`
Dec 13 01:29:26.664 INFO [stdout] 519061bab9569750564159b1909a19a1a081d6ef38389c67b2e2dd1339100bbf
Dec 13 01:29:26.666 INFO running `"docker" "start" "-a" "519061bab9569750564159b1909a19a1a081d6ef38389c67b2e2dd1339100bbf"`
Dec 13 01:29:28.135 INFO [stderr] usermod: no changes
Dec 13 01:29:28.197 INFO [stderr] warning: unused manifest key: package.panic
Dec 13 01:29:28.197 INFO [stderr]    Compiling libc v0.2.41
Dec 13 01:29:29.452 INFO [stderr]    Compiling mpc_allocator_rust v0.1.0 (/source)
Dec 13 01:29:29.655 INFO [stderr] error[E0557]: feature has been removed
Dec 13 01:29:29.655 INFO [stderr]   --> src/lib.rs:11:12
Dec 13 01:29:29.655 INFO [stderr]    |
Dec 13 01:29:29.655 INFO [stderr] 11 | #![feature(panic_implementation)]
Dec 13 01:29:29.655 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 13 01:29:29.655 INFO [stderr]    |
Dec 13 01:29:29.655 INFO [stderr] note: subsumed by `#[panic_handler]`
Dec 13 01:29:29.655 INFO [stderr]   --> src/lib.rs:11:12
Dec 13 01:29:29.655 INFO [stderr]    |
Dec 13 01:29:29.655 INFO [stderr] 11 | #![feature(panic_implementation)]
Dec 13 01:29:29.655 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
Dec 13 01:29:29.655 INFO [stderr] 
Dec 13 01:29:29.715 INFO [stderr] error[E0658]: The attribute `panic_implementation` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 13 01:29:29.715 INFO [stderr]   --> src/export.rs:52:3
Dec 13 01:29:29.715 INFO [stderr]    |
Dec 13 01:29:29.715 INFO [stderr] 52 | #[panic_implementation]
Dec 13 01:29:29.715 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
Dec 13 01:29:29.715 INFO [stderr]    |
Dec 13 01:29:29.715 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 13 01:29:29.715 INFO [stderr] 
Dec 13 01:29:29.722 INFO [stderr] error: aborting due to 2 previous errors
Dec 13 01:29:29.722 INFO [stderr] 
Dec 13 01:29:29.722 INFO [stderr] Some errors occurred: E0557, E0658.
Dec 13 01:29:29.723 INFO [stderr] For more information about an error, try `rustc --explain E0557`.
Dec 13 01:29:29.738 INFO [stderr] error: Could not compile `mpc_allocator_rust`.
Dec 13 01:29:29.738 INFO [stderr] 
Dec 13 01:29:29.738 INFO [stderr] To learn more, run the command again with --verbose.
Dec 13 01:29:29.738 INFO [stderr] su: No module specific data is present
Dec 13 01:29:30.592 INFO running `"docker" "inspect" "519061bab9569750564159b1909a19a1a081d6ef38389c67b2e2dd1339100bbf"`
Dec 13 01:29:30.891 INFO running `"docker" "rm" "-f" "519061bab9569750564159b1909a19a1a081d6ef38389c67b2e2dd1339100bbf"`
Dec 13 01:29:31.195 INFO [stdout] 519061bab9569750564159b1909a19a1a081d6ef38389c67b2e2dd1339100bbf