Dec 18 13:10:54.521 INFO checking panoradix-0.6.5 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:10:54.521 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/panoradix/0.6.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:10:54.760 INFO [stdout] 203705ae257d994be1bf65fd27d326fc72d47d2e35b9957fe4b44ec1280ea0bd
Dec 18 13:10:54.766 INFO running `"docker" "start" "-a" "203705ae257d994be1bf65fd27d326fc72d47d2e35b9957fe4b44ec1280ea0bd"`
Dec 18 13:10:55.503 INFO [stderr]     Checking panoradix v0.6.5 (/opt/crater/workdir)
Dec 18 13:10:56.027 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 13:10:56.028 INFO [stderr]    --> src/set.rs:205:22
Dec 18 13:10:56.028 INFO [stderr]     |
Dec 18 13:10:56.028 INFO [stderr] 205 | pub type Iter<'a, K: 'a + Key + ?Sized> = MapKeys<'a, K, ()>;
Dec 18 13:10:56.029 INFO [stderr]     |                      ^^   ^^^   ^^^^^^
Dec 18 13:10:56.029 INFO [stderr]     |
Dec 18 13:10:56.029 INFO [stderr]     = note: #[warn(type_alias_bounds)] on by default
Dec 18 13:10:56.030 INFO [stderr]     = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 13:10:56.030 INFO [stderr] 
Dec 18 13:10:57.063 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 13:10:57.063 INFO [stderr]   --> benches/set.rs:47:9
Dec 18 13:10:57.063 INFO [stderr]    |
Dec 18 13:10:57.064 INFO [stderr] 47 |         items.iter().collect::<RadixSet<str>>();
Dec 18 13:10:57.064 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:10:57.064 INFO [stderr]    |
Dec 18 13:10:57.065 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 13:10:57.065 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 13:10:57.065 INFO [stderr] 
Dec 18 13:10:57.066 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 13:10:57.066 INFO [stderr]   --> benches/set.rs:57:9
Dec 18 13:10:57.066 INFO [stderr]    |
Dec 18 13:10:57.067 INFO [stderr] 57 |         items.iter().collect::<RadixSet<str>>();
Dec 18 13:10:57.067 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:10:57.067 INFO [stderr]    |
Dec 18 13:10:57.068 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 13:10:57.068 INFO [stderr] 
Dec 18 13:10:57.173 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 13:10:57.174 INFO [stderr]    --> src/set.rs:205:22
Dec 18 13:10:57.174 INFO [stderr]     |
Dec 18 13:10:57.174 INFO [stderr] 205 | pub type Iter<'a, K: 'a + Key + ?Sized> = MapKeys<'a, K, ()>;
Dec 18 13:10:57.174 INFO [stderr]     |                      ^^   ^^^   ^^^^^^
Dec 18 13:10:57.196 INFO [stderr]     |
Dec 18 13:10:57.197 INFO [stderr]     = note: #[warn(type_alias_bounds)] on by default
Dec 18 13:10:57.197 INFO [stderr]     = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 13:10:57.197 INFO [stderr] 
Dec 18 13:11:00.696 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.23s
Dec 18 13:11:01.800 INFO running `"docker" "inspect" "203705ae257d994be1bf65fd27d326fc72d47d2e35b9957fe4b44ec1280ea0bd"`
Dec 18 13:11:02.114 INFO running `"docker" "rm" "-f" "203705ae257d994be1bf65fd27d326fc72d47d2e35b9957fe4b44ec1280ea0bd"`
Dec 18 13:11:02.464 INFO [stdout] 203705ae257d994be1bf65fd27d326fc72d47d2e35b9957fe4b44ec1280ea0bd