Dec 12 10:18:12.010 INFO checking panoradix-0.6.5 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 10:18:12.010 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 10:18:12.484 INFO [stdout] 2dc0c3967845c102092a0cfbcfa334807566481d30b4909347d6e89176f244e9
Dec 12 10:18:12.486 INFO running `"docker" "start" "-a" "2dc0c3967845c102092a0cfbcfa334807566481d30b4909347d6e89176f244e9"`
Dec 12 10:18:14.464 INFO [stderr] usermod: no changes
Dec 12 10:18:14.575 INFO [stderr]     Checking panoradix v0.6.5 (/source)
Dec 12 10:18:15.457 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 12 10:18:15.457 INFO [stderr]    --> src/set.rs:205:22
Dec 12 10:18:15.457 INFO [stderr]     |
Dec 12 10:18:15.457 INFO [stderr] 205 | pub type Iter<'a, K: 'a + Key + ?Sized> = MapKeys<'a, K, ()>;
Dec 12 10:18:15.457 INFO [stderr]     |                      ^^   ^^^   ^^^^^^
Dec 12 10:18:15.457 INFO [stderr]     |
Dec 12 10:18:15.457 INFO [stderr]     = note: #[warn(type_alias_bounds)] on by default
Dec 12 10:18:15.457 INFO [stderr]     = help: the bound will not be checked when the type alias is used, and should be removed
Dec 12 10:18:15.457 INFO [stderr] 
Dec 12 10:18:16.325 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 12 10:18:16.325 INFO [stderr]    --> src/set.rs:205:22
Dec 12 10:18:16.325 INFO [stderr]     |
Dec 12 10:18:16.325 INFO [stderr] 205 | pub type Iter<'a, K: 'a + Key + ?Sized> = MapKeys<'a, K, ()>;
Dec 12 10:18:16.325 INFO [stderr]     |                      ^^   ^^^   ^^^^^^
Dec 12 10:18:16.325 INFO [stderr]     |
Dec 12 10:18:16.325 INFO [stderr]     = note: #[warn(type_alias_bounds)] on by default
Dec 12 10:18:16.325 INFO [stderr]     = help: the bound will not be checked when the type alias is used, and should be removed
Dec 12 10:18:16.325 INFO [stderr] 
Dec 12 10:18:17.168 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 12 10:18:17.168 INFO [stderr]   --> benches/set.rs:47:9
Dec 12 10:18:17.168 INFO [stderr]    |
Dec 12 10:18:17.168 INFO [stderr] 47 |         items.iter().collect::<RadixSet<str>>();
Dec 12 10:18:17.168 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:18:17.168 INFO [stderr]    |
Dec 12 10:18:17.168 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 10:18:17.168 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 12 10:18:17.168 INFO [stderr] 
Dec 12 10:18:17.168 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 12 10:18:17.168 INFO [stderr]   --> benches/set.rs:57:9
Dec 12 10:18:17.168 INFO [stderr]    |
Dec 12 10:18:17.168 INFO [stderr] 57 |         items.iter().collect::<RadixSet<str>>();
Dec 12 10:18:17.168 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:18:17.168 INFO [stderr]    |
Dec 12 10:18:17.168 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 12 10:18:17.168 INFO [stderr] 
Dec 12 10:18:20.870 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.38s
Dec 12 10:18:20.875 INFO [stderr] su: No module specific data is present
Dec 12 10:18:21.884 INFO running `"docker" "inspect" "2dc0c3967845c102092a0cfbcfa334807566481d30b4909347d6e89176f244e9"`
Dec 12 10:18:22.214 INFO running `"docker" "rm" "-f" "2dc0c3967845c102092a0cfbcfa334807566481d30b4909347d6e89176f244e9"`
Dec 12 10:18:22.462 INFO [stdout] 2dc0c3967845c102092a0cfbcfa334807566481d30b4909347d6e89176f244e9