[INFO] fetching crate protocoll 0.3.1...
[INFO] checking protocoll-0.3.1 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate protocoll 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate protocoll 0.3.1 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate protocoll 0.3.1
[INFO] finished tweaking crates.io crate protocoll 0.3.1
[INFO] tweaked toml for crates.io crate protocoll 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c86958484ab6b4050f3f589c740ce255836d1a415a92dcb375729f396a8540fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c86958484ab6b4050f3f589c740ce255836d1a415a92dcb375729f396a8540fe"`
[INFO] [stderr]     Checking protocoll v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/_map.rs:9:42
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Ord;
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/_map.rs:137:42
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Eq
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/_map.rs:171:42
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vec_sorted_map.rs:139:42
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/_set.rs:8:42
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Ord;
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_set.rs:34:42
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Eq
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_set.rs:51:42
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vec_sorted_set.rs:162:42
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/_seq.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a T> + 'a>;
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_seq.rs:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_seq.rs:51:33
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_seq.rs:68:33
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/_map.rs:9:42
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Ord;
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/_map.rs:137:42
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Hash+Eq
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/_map.rs:171:42
[INFO] [stderr]     |
[INFO] [stderr] 171 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vec_sorted_map.rs:139:42
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a V> + 'a> where K:Borrow<Q>, Q:Ord
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a V> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/_set.rs:8:42
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Ord;
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_set.rs:34:42
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Hash+Eq
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_set.rs:51:42
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vec_sorted_set.rs:162:42
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn fun<'a,Q:?Sized>(&'a self) -> Box<Fn(&Q) -> Option<&'a T> + 'a> where T:Borrow<Q>, Q:Ord
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Q) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/_seq.rs:6:33
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a T> + 'a>;
[INFO] [stderr]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_seq.rs:34:33
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_seq.rs:51:33
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/_seq.rs:68:33
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn fun<'a>(&'a self) -> Box<Fn(usize) -> Option<&'a T> + 'a>
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> Option<&'a T> + 'a`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "c86958484ab6b4050f3f589c740ce255836d1a415a92dcb375729f396a8540fe"`
[INFO] running `"docker" "rm" "-f" "c86958484ab6b4050f3f589c740ce255836d1a415a92dcb375729f396a8540fe"`
[INFO] [stdout] c86958484ab6b4050f3f589c740ce255836d1a415a92dcb375729f396a8540fe