Dec 18 13:10:51.293 INFO checking panoradix-0.6.5 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:10:51.293 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:10:51.771 INFO [stdout] 1690344f2280756d94e2932ce6aa95ccb134a4180121ba31c016e409f899fc7c
Dec 18 13:10:51.773 INFO running `"docker" "start" "-a" "1690344f2280756d94e2932ce6aa95ccb134a4180121ba31c016e409f899fc7c"`
Dec 18 13:10:53.156 INFO [stderr]     Checking panoradix v0.6.5 (/opt/crater/workdir)
Dec 18 13:10:53.556 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 13:10:53.556 INFO [stderr]    --> src/set.rs:205:22
Dec 18 13:10:53.556 INFO [stderr]     |
Dec 18 13:10:53.556 INFO [stderr] 205 | pub type Iter<'a, K: 'a + Key + ?Sized> = MapKeys<'a, K, ()>;
Dec 18 13:10:53.556 INFO [stderr]     |                      ^^   ^^^   ^^^^^^
Dec 18 13:10:53.556 INFO [stderr]     |
Dec 18 13:10:53.556 INFO [stderr]     = note: #[warn(type_alias_bounds)] on by default
Dec 18 13:10:53.556 INFO [stderr]     = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 13:10:53.556 INFO [stderr] 
Dec 18 13:10:53.793 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 18 13:10:53.793 INFO [stderr]    --> src/set.rs:205:22
Dec 18 13:10:53.793 INFO [stderr]     |
Dec 18 13:10:53.793 INFO [stderr] 205 | pub type Iter<'a, K: 'a + Key + ?Sized> = MapKeys<'a, K, ()>;
Dec 18 13:10:53.793 INFO [stderr]     |                      ^^   ^^^   ^^^^^^
Dec 18 13:10:53.793 INFO [stderr]     |
Dec 18 13:10:53.793 INFO [stderr]     = note: #[warn(type_alias_bounds)] on by default
Dec 18 13:10:53.793 INFO [stderr]     = help: the bound will not be checked when the type alias is used, and should be removed
Dec 18 13:10:53.796 INFO [stderr] 
Dec 18 13:10:53.889 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 13:10:53.889 INFO [stderr]   --> benches/set.rs:47:9
Dec 18 13:10:53.889 INFO [stderr]    |
Dec 18 13:10:53.889 INFO [stderr] 47 |         items.iter().collect::<RadixSet<str>>();
Dec 18 13:10:53.889 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:10:53.889 INFO [stderr]    |
Dec 18 13:10:53.889 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 13:10:53.889 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 13:10:53.889 INFO [stderr] 
Dec 18 13:10:53.889 INFO [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
Dec 18 13:10:53.889 INFO [stderr]   --> benches/set.rs:57:9
Dec 18 13:10:53.889 INFO [stderr]    |
Dec 18 13:10:53.889 INFO [stderr] 57 |         items.iter().collect::<RadixSet<str>>();
Dec 18 13:10:53.889 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:10:53.889 INFO [stderr]    |
Dec 18 13:10:53.889 INFO [stderr]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
Dec 18 13:10:53.889 INFO [stderr] 
Dec 18 13:10:57.524 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.41s
Dec 18 13:10:57.888 INFO running `"docker" "inspect" "1690344f2280756d94e2932ce6aa95ccb134a4180121ba31c016e409f899fc7c"`
Dec 18 13:10:58.054 INFO running `"docker" "rm" "-f" "1690344f2280756d94e2932ce6aa95ccb134a4180121ba31c016e409f899fc7c"`
Dec 18 13:10:58.348 INFO [stdout] 1690344f2280756d94e2932ce6aa95ccb134a4180121ba31c016e409f899fc7c