[INFO] crate odds 0.3.1 is already in cache
[INFO] checking odds-0.3.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate odds 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate odds 0.3.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate odds 0.3.1
[INFO] finished tweaking crates.io crate odds 0.3.1
[INFO] tweaked toml for crates.io crate odds 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 54a82b588c33cdeb2428da0fc3140bf952e383bdb2fa8cad58a816b00021ff07
[INFO] running `"docker" "start" "-a" "54a82b588c33cdeb2428da0fc3140bf952e383bdb2fa8cad58a816b00021ff07"`
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking rawslice v0.1.0
[INFO] [stderr]     Checking quickcheck v0.4.1
[INFO] [stderr]     Checking odds v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stride.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 try!(write!(f, "["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 268 | stride_impl!{struct Stride -> &'a [A], as_ptr, *const A, &'a A}
[INFO] [stderr]     | --------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stride.rs:258:25
[INFO] [stderr]     |
[INFO] [stderr] 258 |                         try!(write!(f, ", "));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 268 | stride_impl!{struct Stride -> &'a [A], as_ptr, *const A, &'a A}
[INFO] [stderr]     | --------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stride.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |                     try!(write!(f, "{:?}", (*self)[i]));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 268 | stride_impl!{struct Stride -> &'a [A], as_ptr, *const A, &'a A}
[INFO] [stderr]     | --------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stride.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 try!(write!(f, "["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 269 | stride_impl!{struct StrideMut -> &'a mut [A], as_mut_ptr, *mut A, &'a mut A}
[INFO] [stderr]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stride.rs:258:25
[INFO] [stderr]     |
[INFO] [stderr] 258 |                         try!(write!(f, ", "));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 269 | stride_impl!{struct StrideMut -> &'a mut [A], as_mut_ptr, *mut A, &'a mut A}
[INFO] [stderr]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stride.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |                     try!(write!(f, "{:?}", (*self)[i]));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 269 | stride_impl!{struct StrideMut -> &'a mut [A], as_mut_ptr, *mut A, &'a mut A}
[INFO] [stderr]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fix.rs:37:46
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct Fix<'a, T: 'a, R: 'a = T>(pub &'a Fn(Fix<T, R>, T) -> R);
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Fix<T, R>, T) -> R`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/slice/unalign.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::mem::uninitialized;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/slice/unalign.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let mut x = uninitialized();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'get_unchecked': use unchecked-index crate
[INFO] [stderr]   --> src/slice/rev.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 | use {get_unchecked, get_unchecked_mut};
[INFO] [stderr]    |      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'get_unchecked_mut': use unchecked-index crate
[INFO] [stderr]   --> src/slice/rev.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | use {get_unchecked, get_unchecked_mut};
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'slice_unchecked': use unchecked-index crate
[INFO] [stderr]   --> src/slice/rev.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 12 | use {slice_unchecked, slice_unchecked_mut};
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'slice_unchecked_mut': use unchecked-index crate
[INFO] [stderr]   --> src/slice/rev.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 | use {slice_unchecked, slice_unchecked_mut};
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'get_unchecked': use unchecked-index crate
[INFO] [stderr]   --> src/slice/rev.rs:73:45
[INFO] [stderr]    |
[INFO] [stderr] 73 |             self.raw_index(i).map(move |ri| get_unchecked(&self.0, ri))
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'get_unchecked_mut': use unchecked-index crate
[INFO] [stderr]   --> src/slice/rev.rs:82:45
[INFO] [stderr]    |
[INFO] [stderr] 82 |             self.raw_index(i).map(move |ri| get_unchecked_mut(&mut self.0, ri))
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'slice_unchecked': use unchecked-index crate
[INFO] [stderr]    --> src/slice/rev.rs:240:34
[INFO] [stderr]     |
[INFO] [stderr] 240 |             <&RevSlice<_>>::from(slice_unchecked(&self.0, start_r, end_r))
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'slice_unchecked_mut': use unchecked-index crate
[INFO] [stderr]    --> src/slice/rev.rs:258:38
[INFO] [stderr]     |
[INFO] [stderr] 258 |             <&mut RevSlice<_>>::from(slice_unchecked_mut(&mut self.0, start_r, end_r))
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> benches/bench.rs:276:1
[INFO] [stderr]     |
[INFO] [stderr] 276 | / lazy_static! {
[INFO] [stderr] 277 | |     static ref WORDS_ASCII: Vec<String> = {
[INFO] [stderr] 278 | |         LONG.split_whitespace().map(String::from).collect()
[INFO] [stderr] 279 | |     };
[INFO] [stderr] ...   |
[INFO] [stderr] 282 | |     };
[INFO] [stderr] 283 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> benches/bench.rs:276:1
[INFO] [stderr]     |
[INFO] [stderr] 276 | / lazy_static! {
[INFO] [stderr] 277 | |     static ref WORDS_ASCII: Vec<String> = {
[INFO] [stderr] 278 | |         LONG.split_whitespace().map(String::from).collect()
[INFO] [stderr] 279 | |     };
[INFO] [stderr] ...   |
[INFO] [stderr] 282 | |     };
[INFO] [stderr] 283 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stride.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 try!(write!(f, "["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 268 | stride_impl!{struct Stride -> &'a [A], as_ptr, *const A, &'a A}
[INFO] [stderr]     | --------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stride.rs:258:25
[INFO] [stderr]     |
[INFO] [stderr] 258 |                         try!(write!(f, ", "));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 268 | stride_impl!{struct Stride -> &'a [A], as_ptr, *const A, &'a A}
[INFO] [stderr]     | --------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stride.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |                     try!(write!(f, "{:?}", (*self)[i]));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 268 | stride_impl!{struct Stride -> &'a [A], as_ptr, *const A, &'a A}
[INFO] [stderr]     | --------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stride.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 try!(write!(f, "["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 269 | stride_impl!{struct StrideMut -> &'a mut [A], as_mut_ptr, *mut A, &'a mut A}
[INFO] [stderr]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stride.rs:258:25
[INFO] [stderr]     |
[INFO] [stderr] 258 |                         try!(write!(f, ", "));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 269 | stride_impl!{struct StrideMut -> &'a mut [A], as_mut_ptr, *mut A, &'a mut A}
[INFO] [stderr]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/stride.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |                     try!(write!(f, "{:?}", (*self)[i]));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] ...
[INFO] [stderr] 269 | stride_impl!{struct StrideMut -> &'a mut [A], as_mut_ptr, *mut A, &'a mut A}
[INFO] [stderr]     | ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fix.rs:37:46
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct Fix<'a, T: 'a, R: 'a = T>(pub &'a Fn(Fix<T, R>, T) -> R);
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Fix<T, R>, T) -> R`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `size_of`
[INFO] [stderr]  --> benches/count_ones.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::mem::{size_of, size_of_val};
[INFO] [stderr]   |                ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/slice/unalign.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::mem::uninitialized;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/slice/unalign.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let mut x = uninitialized();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'get_unchecked': use unchecked-index crate
[INFO] [stderr]   --> src/slice/rev.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 | use {get_unchecked, get_unchecked_mut};
[INFO] [stderr]    |      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'get_unchecked_mut': use unchecked-index crate
[INFO] [stderr]   --> src/slice/rev.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | use {get_unchecked, get_unchecked_mut};
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'slice_unchecked': use unchecked-index crate
[INFO] [stderr]   --> src/slice/rev.rs:12:6
[INFO] [stderr]    |
[INFO] [stderr] 12 | use {slice_unchecked, slice_unchecked_mut};
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'slice_unchecked_mut': use unchecked-index crate
[INFO] [stderr]   --> src/slice/rev.rs:12:23
[INFO] [stderr]    |
[INFO] [stderr] 12 | use {slice_unchecked, slice_unchecked_mut};
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'get_unchecked': use unchecked-index crate
[INFO] [stderr]   --> src/slice/rev.rs:73:45
[INFO] [stderr]    |
[INFO] [stderr] 73 |             self.raw_index(i).map(move |ri| get_unchecked(&self.0, ri))
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'get_unchecked_mut': use unchecked-index crate
[INFO] [stderr]   --> src/slice/rev.rs:82:45
[INFO] [stderr]    |
[INFO] [stderr] 82 |             self.raw_index(i).map(move |ri| get_unchecked_mut(&mut self.0, ri))
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'slice_unchecked': use unchecked-index crate
[INFO] [stderr]    --> src/slice/rev.rs:240:34
[INFO] [stderr]     |
[INFO] [stderr] 240 |             <&RevSlice<_>>::from(slice_unchecked(&self.0, start_r, end_r))
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'slice_unchecked_mut': use unchecked-index crate
[INFO] [stderr]    --> src/slice/rev.rs:258:38
[INFO] [stderr]     |
[INFO] [stderr] 258 |             <&mut RevSlice<_>>::from(slice_unchecked_mut(&mut self.0, start_r, end_r))
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> benches/count_ones.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 |     total += head.iter().map(|x| x.count_ones()).sum();
[INFO] [stderr]    |           ^^ cannot infer type
[INFO] [stderr]    |
[INFO] [stderr] help: consider specifying the type argument in the method call
[INFO] [stderr]    |
[INFO] [stderr] 14 |     total += head.iter().map(|x| x.count_ones()).sum::<S>();
[INFO] [stderr]    |                                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> benches/count_ones.rs:23:11
[INFO] [stderr]    |
[INFO] [stderr] 23 |     total += (&mut iter).map(|x| x.count_ones()).sum();
[INFO] [stderr]    |           ^^ cannot infer type
[INFO] [stderr]    |
[INFO] [stderr] help: consider specifying the type argument in the method call
[INFO] [stderr]    |
[INFO] [stderr] 23 |     total += (&mut iter).map(|x| x.count_ones()).sum::<S>();
[INFO] [stderr]    |                                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> benches/count_ones.rs:30:11
[INFO] [stderr]    |
[INFO] [stderr] 30 |     total += data.iter().map(|x| x.count_ones()).sum();
[INFO] [stderr]    |           ^^ cannot infer type
[INFO] [stderr]    |
[INFO] [stderr] help: consider specifying the type argument in the method call
[INFO] [stderr]    |
[INFO] [stderr] 30 |     total += data.iter().map(|x| x.count_ones()).sum::<S>();
[INFO] [stderr]    |                                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0282`.
[INFO] [stderr] error: could not compile `odds`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> tests/slice.rs:80:35
[INFO] [stderr]    |
[INFO] [stderr] 80 |             ch_slice = self.slice.slice_unchecked(0, char_len);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> tests/slice.rs:81:37
[INFO] [stderr]    |
[INFO] [stderr] 81 |             self.slice = self.slice.slice_unchecked(char_len, self.slice.len());
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "54a82b588c33cdeb2428da0fc3140bf952e383bdb2fa8cad58a816b00021ff07"`
[INFO] running `"docker" "rm" "-f" "54a82b588c33cdeb2428da0fc3140bf952e383bdb2fa8cad58a816b00021ff07"`
[INFO] [stdout] 54a82b588c33cdeb2428da0fc3140bf952e383bdb2fa8cad58a816b00021ff07
