[INFO] fetching crate itertools 0.10.1...
[INFO] checking itertools-0.10.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate itertools 0.10.1 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate itertools 0.10.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate itertools 0.10.1
[INFO] finished tweaking crates.io crate itertools 0.10.1
[INFO] tweaked toml for crates.io crate itertools 0.10.1 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate crates.io crate itertools 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-svg v0.3.0
[INFO] [stderr]   Downloaded plotters-backend v0.3.0
[INFO] [stderr]   Downloaded cast v0.2.6
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded criterion v0.3.4
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[INFO] [stderr]   Downloaded quickcheck v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de82d3b6f363af0444726ae52fe5f4f5ff0e9a478cdb32bdbbbebdcbd107e792
[INFO] running `Command { std: "docker" "start" "-a" "de82d3b6f363af0444726ae52fe5f4f5ff0e9a478cdb32bdbbbebdcbd107e792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de82d3b6f363af0444726ae52fe5f4f5ff0e9a478cdb32bdbbbebdcbd107e792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de82d3b6f363af0444726ae52fe5f4f5ff0e9a478cdb32bdbbbebdcbd107e792", kill_on_drop: false }`
[INFO] [stdout] de82d3b6f363af0444726ae52fe5f4f5ff0e9a478cdb32bdbbbebdcbd107e792
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67f52de6149db77fd46df3808ca57fef723056f7dfb03150860ea186dd618a07
[INFO] running `Command { std: "docker" "start" "-a" "67f52de6149db77fd46df3808ca57fef723056f7dfb03150860ea186dd618a07", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking itertools v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stdout] warning: unused attribute `inline`
[INFO] [stdout]    --> src/flatten_ok.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     #[inline]
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `clone_fields`
[INFO] [stdout]    --> src/flatten_ok.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     clone_fields!(iter, inner_front, inner_back);
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `inline`
[INFO] [stdout]   --> src/rciter_impl.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `clone_fields`
[INFO] [stdout]   --> src/rciter_impl.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     clone_fields!(rciter);
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]  --> tests/fold_specialization.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut iter = (1..2).intersperse(0);
[INFO] [stdout]   |                           ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]   |
[INFO] [stdout]   = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::ops::Range<A>`
[INFO] [stdout]   = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut iter = Iterator::intersperse((1..2), 0);
[INFO] [stdout]   |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut iter = Itertools::intersperse((1..2), 0);
[INFO] [stdout]   |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]  --> tests/fold_specialization.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut iter = (1..3).intersperse(0);
[INFO] [stdout]   |                           ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]   |
[INFO] [stdout]   = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::ops::Range<A>`
[INFO] [stdout]   = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut iter = Iterator::intersperse((1..3), 0);
[INFO] [stdout]   |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut iter = Itertools::intersperse((1..3), 0);
[INFO] [stdout]   |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> tests/fold_specialization.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut iter = (1..4).intersperse(0);
[INFO] [stdout]    |                           ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::ops::Range<A>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut iter = Iterator::intersperse((1..4), 0);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut iter = Itertools::intersperse((1..4), 0);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> tests/fold_specialization.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itertools` due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> benches/fold_specialization.rs:35:42
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     for &x in arr.iter().intersperse(&0) {
[INFO] [stdout]    |                                          ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::slice::Iter<'a, T>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     for &x in Iterator::intersperse(arr.iter(), &0) {
[INFO] [stdout]    |                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 35 |                     for &x in itertools::Itertools::intersperse(arr.iter(), &0) {
[INFO] [stdout]    |                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> benches/fold_specialization.rs:49:32
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     arr.iter().intersperse(&0).fold(0, |acc, x| acc + x)
[INFO] [stdout]    |                                ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::slice::Iter<'a, T>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     Iterator::intersperse(arr.iter(), &0).fold(0, |acc, x| acc + x)
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 49 |                     itertools::Itertools::intersperse(arr.iter(), &0).fold(0, |acc, x| acc + x)
[INFO] [stdout]    |                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> benches/fold_specialization.rs:60:46
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     Unspecialized(arr.iter().intersperse(&0)).fold(0, |acc, x| acc + x)
[INFO] [stdout]    |                                              ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `std::slice::Iter<'a, T>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     Unspecialized(Iterator::intersperse(arr.iter(), &0)).fold(0, |acc, x| acc + x)
[INFO] [stdout]    |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     Unspecialized(itertools::Itertools::intersperse(arr.iter(), &0)).fold(0, |acc, x| acc + x)
[INFO] [stdout]    |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> benches/fold_specialization.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> tests/test_std.rs:119:53
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let v: Vec<&str> = xs.iter().map(|x| x.clone()).intersperse(", ").collect();
[INFO] [stdout]     |                                                     ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Map<I, F>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let v: Vec<&str> = Iterator::intersperse(xs.iter().map(|x| x.clone()), ", ").collect();
[INFO] [stdout]     |                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let v: Vec<&str> = Itertools::intersperse(xs.iter().map(|x| x.clone()), ", ").collect();
[INFO] [stdout]     |                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> tests/test_std.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut it = ys[..0].iter().map(|x| *x).intersperse(1);
[INFO] [stdout]     |                                             ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Map<I, F>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut it = Iterator::intersperse(ys[..0].iter().map(|x| *x), 1);
[INFO] [stdout]     |                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut it = Itertools::intersperse(ys[..0].iter().map(|x| *x), 1);
[INFO] [stdout]     |                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> tests/quick.rs:642:29
[INFO] [stdout]     |
[INFO] [stdout] 642 |         correct_size_hint(a.intersperse(x))
[INFO] [stdout]     |                             ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Iter<T, HK>`
[INFO] [stdout]    --> tests/quick.rs:130:1
[INFO] [stdout]     |
[INFO] [stdout] 130 | / impl<T, HK> Iterator for Iter<T, HK>
[INFO] [stdout] 131 | |     where Range<T>: Iterator,
[INFO] [stdout] 132 | |           <Range<T> as Iterator>::Item: Default,
[INFO] [stdout] 133 | |           HK: HintKind,
[INFO] [stdout] ...   |
[INFO] [stdout] 154 | |     }
[INFO] [stdout] 155 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 642 |         correct_size_hint(Iterator::intersperse(a, x))
[INFO] [stdout]     |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 642 |         correct_size_hint(Itertools::intersperse(a, x))
[INFO] [stdout]     |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> tests/quick.rs:647:38
[INFO] [stdout]     |
[INFO] [stdout] 647 |         for elt in a.iter().cloned().intersperse(x) {
[INFO] [stdout]     |                                      ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Cloned<I>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 647 |         for elt in Iterator::intersperse(a.iter().cloned(), x) {
[INFO] [stdout]     |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 647 |         for elt in Itertools::intersperse(a.iter().cloned(), x) {
[INFO] [stdout]     |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "67f52de6149db77fd46df3808ca57fef723056f7dfb03150860ea186dd618a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f52de6149db77fd46df3808ca57fef723056f7dfb03150860ea186dd618a07", kill_on_drop: false }`
[INFO] [stdout] 67f52de6149db77fd46df3808ca57fef723056f7dfb03150860ea186dd618a07