Dec 05 09:21:54.553 INFO checking panoradix-0.6.5 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 09:21:54.553 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 09:21:54.984 INFO [stdout] 64686132d4eff87c65668be9e27584943b9e541429e45be14a81853f807bfefe
Dec 05 09:21:54.987 INFO running `"docker" "start" "-a" "64686132d4eff87c65668be9e27584943b9e541429e45be14a81853f807bfefe"`
Dec 05 09:21:57.351 INFO [stderr] usermod: no changes
Dec 05 09:21:57.515 INFO [stderr]     Checking panoradix v0.6.5 (/source)
Dec 05 09:21:58.792 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 05 09:21:58.792 INFO [stderr]    --> src/set.rs:205:22
Dec 05 09:21:58.792 INFO [stderr]     |
Dec 05 09:21:58.792 INFO [stderr] 205 | pub type Iter<'a, K: 'a + Key + ?Sized> = MapKeys<'a, K, ()>;
Dec 05 09:21:58.792 INFO [stderr]     |                      ^^   ^^^   ^^^^^^
Dec 05 09:21:58.792 INFO [stderr]     |
Dec 05 09:21:58.807 INFO [stderr]     = note: #[warn(type_alias_bounds)] on by default
Dec 05 09:21:58.807 INFO [stderr]     = help: the bound will not be checked when the type alias is used, and should be removed
Dec 05 09:21:58.807 INFO [stderr] 
Dec 05 09:22:00.027 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 05 09:22:00.027 INFO [stderr]    --> src/set.rs:205:22
Dec 05 09:22:00.027 INFO [stderr]     |
Dec 05 09:22:00.027 INFO [stderr] 205 | pub type Iter<'a, K: 'a + Key + ?Sized> = MapKeys<'a, K, ()>;
Dec 05 09:22:00.027 INFO [stderr]     |                      ^^   ^^^   ^^^^^^
Dec 05 09:22:00.027 INFO [stderr]     |
Dec 05 09:22:00.027 INFO [stderr]     = note: #[warn(type_alias_bounds)] on by default
Dec 05 09:22:00.027 INFO [stderr]     = help: the bound will not be checked when the type alias is used, and should be removed
Dec 05 09:22:00.027 INFO [stderr] 
Dec 05 09:22:00.651 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 05 09:22:00.651 INFO [stderr]   --> benches/set.rs:47:9
Dec 05 09:22:00.651 INFO [stderr]    |
Dec 05 09:22:00.651 INFO [stderr] 47 |         items.iter().collect::<RadixSet<str>>();
Dec 05 09:22:00.651 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 09:22:00.652 INFO [stderr]    |
Dec 05 09:22:00.652 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 09:22:00.652 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 05 09:22:00.652 INFO [stderr] 
Dec 05 09:22:00.652 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 05 09:22:00.652 INFO [stderr]   --> benches/set.rs:57:9
Dec 05 09:22:00.652 INFO [stderr]    |
Dec 05 09:22:00.652 INFO [stderr] 57 |         items.iter().collect::<RadixSet<str>>();
Dec 05 09:22:00.652 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 09:22:00.652 INFO [stderr]    |
Dec 05 09:22:00.652 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 05 09:22:00.652 INFO [stderr] 
Dec 05 09:22:04.651 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.27s
Dec 05 09:22:04.665 INFO [stderr] su: No module specific data is present
Dec 05 09:22:05.507 INFO running `"docker" "inspect" "64686132d4eff87c65668be9e27584943b9e541429e45be14a81853f807bfefe"`
Dec 05 09:22:05.875 INFO running `"docker" "rm" "-f" "64686132d4eff87c65668be9e27584943b9e541429e45be14a81853f807bfefe"`
Dec 05 09:22:06.317 INFO [stdout] 64686132d4eff87c65668be9e27584943b9e541429e45be14a81853f807bfefe