[INFO] crate proptest-arbitrary 0.2.2 is already in cache
[INFO] extracting crate proptest-arbitrary 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/proptest-arbitrary/0.2.2
[INFO] extracting crate proptest-arbitrary 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/proptest-arbitrary/0.2.2
[INFO] validating manifest of proptest-arbitrary-0.2.2 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of proptest-arbitrary-0.2.2 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing proptest-arbitrary-0.2.2
[INFO] finished frobbing proptest-arbitrary-0.2.2
[INFO] frobbed toml for proptest-arbitrary-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/proptest-arbitrary/0.2.2/Cargo.toml
[INFO] started frobbing proptest-arbitrary-0.2.2
[INFO] finished frobbing proptest-arbitrary-0.2.2
[INFO] frobbed toml for proptest-arbitrary-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/proptest-arbitrary/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting proptest-arbitrary-0.2.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/proptest-arbitrary/0.2.2:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8c0d52de6a5325201fd753c8083aa1b0e06894a77a77b15da95a80973e73b928
[INFO] running `"docker" "start" "-a" "8c0d52de6a5325201fd753c8083aa1b0e06894a77a77b15da95a80973e73b928"`
[INFO] [stderr]    Compiling proptest-arbitrary v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]    Compiling derive_more v0.7.1
[INFO] [stderr]     Checking proptest v0.3.4
[INFO] [stderr] warning: lint name `let_and_return` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/_std/cell.rs:11:48
[INFO] [stderr]    |
[INFO] [stderr] 11 |     #[cfg_attr(feature = "cargo-clippy", allow(let_and_return))]
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^ help: change it to: `clippy::let_and_return`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `let_and_return` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/_std/cell.rs:25:48
[INFO] [stderr]    |
[INFO] [stderr] 25 |     #[cfg_attr(feature = "cargo-clippy", allow(let_and_return))]
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^ help: change it to: `clippy::let_and_return`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `implicit_hasher` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/_std/collections.rs:3:43
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![cfg_attr(feature="cargo-clippy", allow(implicit_hasher))]
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^ help: change it to: `clippy::implicit_hasher`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `let_and_return` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/_std/cell.rs:11:48
[INFO] [stderr]    |
[INFO] [stderr] 11 |     #[cfg_attr(feature = "cargo-clippy", allow(let_and_return))]
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^ help: change it to: `clippy::let_and_return`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `let_and_return` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/_std/cell.rs:11:48
[INFO] [stderr]    |
[INFO] [stderr] 11 |     #[cfg_attr(feature = "cargo-clippy", allow(let_and_return))]
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^ help: change it to: `clippy::let_and_return`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `let_and_return` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/_std/cell.rs:25:48
[INFO] [stderr]    |
[INFO] [stderr] 25 |     #[cfg_attr(feature = "cargo-clippy", allow(let_and_return))]
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^ help: change it to: `clippy::let_and_return`
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `implicit_hasher` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> src/_std/collections.rs:3:43
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![cfg_attr(feature="cargo-clippy", allow(implicit_hasher))]
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^ help: change it to: `clippy::implicit_hasher`
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/_std/iter.rs:57:19
[INFO] [stderr]    |
[INFO] [stderr] 57 |     const DUMMY: &'static [u8] = &[0, 1, 2, 3, 4];
[INFO] [stderr]    |                  -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: lint name `let_and_return` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]   --> src/_std/cell.rs:11:48
[INFO] [stderr]    |
[INFO] [stderr] 11 |     #[cfg_attr(feature = "cargo-clippy", allow(let_and_return))]
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^ help: change it to: `clippy::let_and_return`
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/params.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |         size_bounds(exact..exact + 1)
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: use: `exact..=exact`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]  --> src/_std/ascii.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     args => any_with_smap(args, escape_default)
[INFO] [stderr]   |                           ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]   |
[INFO] [stderr] 7 |     args => any_with_smap((), escape_default)
[INFO] [stderr]   |                           ^^
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/_std/collections.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 | /         TupleUnion<(
[INFO] [stderr] 162 | |             W<SMapped<'a, A, Self>>,
[INFO] [stderr] 163 | |             W<SMapped<'a, A, Self>>,
[INFO] [stderr] 164 | |             W<Just<Self>>
[INFO] [stderr] 165 | |         )>;
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/env.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     TupleUnion<(
[INFO] [stderr] 82 | |         W<Just<Self>>,
[INFO] [stderr] 83 | |         W<SFnPtrMap<BoxedStrategy<OsString>, Self>>
[INFO] [stderr] 84 | |     )>;
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/_std/io.rs:86:7
[INFO] [stderr]    |
[INFO] [stderr] 86 |     ].into_iter().map(Clone::clone).map(Just))
[INFO] [stderr]    |       ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/io.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 | /     TupleUnion<(
[INFO] [stderr] 92 | |         W<SMapped<'a, u64, SeekFrom>>,
[INFO] [stderr] 93 | |         W<SMapped<'a, i64, SeekFrom>>,
[INFO] [stderr] 94 | |         W<SMapped<'a, i64, SeekFrom>>,
[INFO] [stderr] 95 | |     )>;
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] error: calling `mem::discriminant` on non-enum type `A`
[INFO] [stderr]  --> src/_std/mem.rs:8:49
[INFO] [stderr]   |
[INFO] [stderr] 8 |     args => static_map(any_with::<A>(args), |x| discriminant(&x))
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(clippy::mem_discriminant_non_enum)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mem_discriminant_non_enum
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/net.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     TupleUnion<(
[INFO] [stderr] 13 | |         W<Just<Self>>,
[INFO] [stderr] 14 | |         W<Just<Self>>,
[INFO] [stderr] 15 | |         W<FMapped<'a, u32, Self>>,
[INFO] [stderr] 16 | |     )>;
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/net.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     TupleUnion<(W<SMapped<'a, Ipv4Addr, Self>>, W<FMapped<'a, [u16; 8], Self>>)>;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/net.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | /     TupleUnion<(W<FMapped<'a, Ipv4Addr, Self>>,
[INFO] [stderr] 43 | |                 W<FMapped<'a, Ipv6Addr, Self>>)>;
[INFO] [stderr]    | |________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/net.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     TupleUnion<(W<Just<Self>>, W<Just<Self>>, W<Just<Self>>)>;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/net.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     TupleUnion<(W<FMapped<'a, SocketAddrV4, Self>>,
[INFO] [stderr] 56 | |                 W<FMapped<'a, SocketAddrV6, Self>>)>;
[INFO] [stderr]    | |____________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/num.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     TupleUnion<(W<Just<Self>>, W<Just<Self>>, W<Just<Self>>,
[INFO] [stderr] 19 | |                 W<Just<Self>>, W<Just<Self>>)>;
[INFO] [stderr]    | |______________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/_std/string.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 | /         (match *self {
[INFO] [stderr] 91 | |             B1(ref a) => a.iter(),
[INFO] [stderr] 92 | |             B2(ref a) => a.iter(),
[INFO] [stderr] 93 | |             B3(ref a) => a.iter(),
[INFO] [stderr] 94 | |             B4(ref a) => a.iter(),
[INFO] [stderr] 95 | |         }).map(|x| *x)
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]    |
[INFO] [stderr] 90 |         (match *self {
[INFO] [stderr] 91 |             B1(ref a) => a.iter(),
[INFO] [stderr] 92 |             B2(ref a) => a.iter(),
[INFO] [stderr] 93 |             B3(ref a) => a.iter(),
[INFO] [stderr] 94 |             B4(ref a) => a.iter(),
[INFO] [stderr] 95 |         }).cloned()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/sync.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     TupleUnion<(W<FnGenerator<Self>>, W<FnGenerator<Self>>)>;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/sync.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 | arbitrary!(WaitTimeoutResult, TupleUnion<(W<Just<Self>>, W<Just<Self>>)>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/sync.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 | /     TupleUnion<(W<Just<Self>>, W<Just<Self>>, W<Just<Self>>,
[INFO] [stderr] 92 | |                 W<Just<Self>>, W<Just<Self>>)>;
[INFO] [stderr]    | |______________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/_std/sync.rs:108:30
[INFO] [stderr]     |
[INFO] [stderr] 108 | arbitrary!(RecvTimeoutError, TupleUnion<(W<Just<Self>>, W<Just<Self>>)>;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/_std/sync.rs:115:26
[INFO] [stderr]     |
[INFO] [stderr] 115 | arbitrary!(TryRecvError, TupleUnion<(W<Just<Self>>, W<Just<Self>>)>;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/_std/sync.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     TupleUnion<(W<SMapped<'a, T, Self>>, W<SMapped<'a, T, Self>>)>, P;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `proptest-arbitrary`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/params.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |         size_bounds(exact..exact + 1)
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^ help: use: `exact..=exact`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]  --> src/_std/ascii.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     args => any_with_smap(args, escape_default)
[INFO] [stderr]   |                           ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]   |
[INFO] [stderr] 7 |     args => any_with_smap((), escape_default)
[INFO] [stderr]   |                           ^^
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/_std/collections.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 | /         TupleUnion<(
[INFO] [stderr] 162 | |             W<SMapped<'a, A, Self>>,
[INFO] [stderr] 163 | |             W<SMapped<'a, A, Self>>,
[INFO] [stderr] 164 | |             W<Just<Self>>
[INFO] [stderr] 165 | |         )>;
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/env.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | /     TupleUnion<(
[INFO] [stderr] 82 | |         W<Just<Self>>,
[INFO] [stderr] 83 | |         W<SFnPtrMap<BoxedStrategy<OsString>, Self>>
[INFO] [stderr] 84 | |     )>;
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/_std/io.rs:86:7
[INFO] [stderr]    |
[INFO] [stderr] 86 |     ].into_iter().map(Clone::clone).map(Just))
[INFO] [stderr]    |       ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/io.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 | /     TupleUnion<(
[INFO] [stderr] 92 | |         W<SMapped<'a, u64, SeekFrom>>,
[INFO] [stderr] 93 | |         W<SMapped<'a, i64, SeekFrom>>,
[INFO] [stderr] 94 | |         W<SMapped<'a, i64, SeekFrom>>,
[INFO] [stderr] 95 | |     )>;
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] error: calling `mem::discriminant` on non-enum type `A`
[INFO] [stderr]  --> src/_std/mem.rs:8:49
[INFO] [stderr]   |
[INFO] [stderr] 8 |     args => static_map(any_with::<A>(args), |x| discriminant(&x))
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(clippy::mem_discriminant_non_enum)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mem_discriminant_non_enum
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/net.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | /     TupleUnion<(
[INFO] [stderr] 13 | |         W<Just<Self>>,
[INFO] [stderr] 14 | |         W<Just<Self>>,
[INFO] [stderr] 15 | |         W<FMapped<'a, u32, Self>>,
[INFO] [stderr] 16 | |     )>;
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/net.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     TupleUnion<(W<SMapped<'a, Ipv4Addr, Self>>, W<FMapped<'a, [u16; 8], Self>>)>;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/net.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 | /     TupleUnion<(W<FMapped<'a, Ipv4Addr, Self>>,
[INFO] [stderr] 43 | |                 W<FMapped<'a, Ipv6Addr, Self>>)>;
[INFO] [stderr]    | |________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/net.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     TupleUnion<(W<Just<Self>>, W<Just<Self>>, W<Just<Self>>)>;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/net.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 | /     TupleUnion<(W<FMapped<'a, SocketAddrV4, Self>>,
[INFO] [stderr] 56 | |                 W<FMapped<'a, SocketAddrV6, Self>>)>;
[INFO] [stderr]    | |____________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/num.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     TupleUnion<(W<Just<Self>>, W<Just<Self>>, W<Just<Self>>,
[INFO] [stderr] 19 | |                 W<Just<Self>>, W<Just<Self>>)>;
[INFO] [stderr]    | |______________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/_std/string.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 | /         (match *self {
[INFO] [stderr] 91 | |             B1(ref a) => a.iter(),
[INFO] [stderr] 92 | |             B2(ref a) => a.iter(),
[INFO] [stderr] 93 | |             B3(ref a) => a.iter(),
[INFO] [stderr] 94 | |             B4(ref a) => a.iter(),
[INFO] [stderr] 95 | |         }).map(|x| *x)
[INFO] [stderr]    | |______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] help: Consider calling the dedicated `cloned` method
[INFO] [stderr]    |
[INFO] [stderr] 90 |         (match *self {
[INFO] [stderr] 91 |             B1(ref a) => a.iter(),
[INFO] [stderr] 92 |             B2(ref a) => a.iter(),
[INFO] [stderr] 93 |             B3(ref a) => a.iter(),
[INFO] [stderr] 94 |             B4(ref a) => a.iter(),
[INFO] [stderr] 95 |         }).cloned()
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/sync.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     TupleUnion<(W<FnGenerator<Self>>, W<FnGenerator<Self>>)>;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/sync.rs:40:31
[INFO] [stderr]    |
[INFO] [stderr] 40 | arbitrary!(WaitTimeoutResult, TupleUnion<(W<Just<Self>>, W<Just<Self>>)>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/_std/sync.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 | /     TupleUnion<(W<Just<Self>>, W<Just<Self>>, W<Just<Self>>,
[INFO] [stderr] 92 | |                 W<Just<Self>>, W<Just<Self>>)>;
[INFO] [stderr]    | |______________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/_std/sync.rs:108:30
[INFO] [stderr]     |
[INFO] [stderr] 108 | arbitrary!(RecvTimeoutError, TupleUnion<(W<Just<Self>>, W<Just<Self>>)>;
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/_std/sync.rs:115:26
[INFO] [stderr]     |
[INFO] [stderr] 115 | arbitrary!(TryRecvError, TupleUnion<(W<Just<Self>>, W<Just<Self>>)>;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/_std/sync.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     TupleUnion<(W<SMapped<'a, T, Self>>, W<SMapped<'a, T, Self>>)>, P;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `proptest-arbitrary`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8c0d52de6a5325201fd753c8083aa1b0e06894a77a77b15da95a80973e73b928"`
[INFO] running `"docker" "rm" "-f" "8c0d52de6a5325201fd753c8083aa1b0e06894a77a77b15da95a80973e73b928"`
[INFO] [stdout] 8c0d52de6a5325201fd753c8083aa1b0e06894a77a77b15da95a80973e73b928