[INFO] fetching crate asparit 0.1.0...
[INFO] checking asparit-0.1.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate asparit 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate asparit 0.1.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asparit 0.1.0
[INFO] finished tweaking crates.io crate asparit 0.1.0
[INFO] tweaked toml for crates.io crate asparit 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdae37bb08a1afad6fb1eb186fef6d889d72fbe1615d34367e6431fb458bff9b
[INFO] running `Command { std: "docker" "start" "-a" "bdae37bb08a1afad6fb1eb186fef6d889d72fbe1615d34367e6431fb458bff9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdae37bb08a1afad6fb1eb186fef6d889d72fbe1615d34367e6431fb458bff9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdae37bb08a1afad6fb1eb186fef6d889d72fbe1615d34367e6431fb458bff9b", kill_on_drop: false }`
[INFO] [stdout] bdae37bb08a1afad6fb1eb186fef6d889d72fbe1615d34367e6431fb458bff9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ea89b99a93502e37769f011822664eef8f48af05a5ff12cbebc8af1cc34b120
[INFO] running `Command { std: "docker" "start" "-a" "6ea89b99a93502e37769f011822664eef8f48af05a5ff12cbebc8af1cc34b120", kill_on_drop: false }`
[INFO] [stderr]     Checking asparit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/core/iterator.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering};
[INFO] [stdout]   |                ^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/core/iterator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chain.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chain.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chain.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chunks.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chunks.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chunks.rs:2:57
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/iter/cmp.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                ^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/iter/cmp.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]  --> src/iter/cmp.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/flatten.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/interleave.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/interleave.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/interleave.rs:2:63
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                                               ^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/intersperse.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{once, DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/intersperse.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{once, DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/intersperse.rs:1:69
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{once, DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                                                     ^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/iter/max.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, Ord, Ordering};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/iter/min.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{min, Ord, Ordering};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/while_some.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/core/iterator.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering};
[INFO] [stdout]   |                ^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/while_some.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/while_some.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/core/iterator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chain.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chain.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chain.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chunks.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chunks.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chunks.rs:2:57
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/iter/cmp.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                ^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/iter/cmp.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]  --> src/iter/cmp.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/flatten.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/interleave.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/interleave.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/interleave.rs:2:63
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                                               ^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/intersperse.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{once, DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/intersperse.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{once, DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/intersperse.rs:1:69
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{once, DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                                                     ^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/iter/max.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, Ord, Ordering};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/iter/min.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{min, Ord, Ordering};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/while_some.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/while_some.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/while_some.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "6ea89b99a93502e37769f011822664eef8f48af05a5ff12cbebc8af1cc34b120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea89b99a93502e37769f011822664eef8f48af05a5ff12cbebc8af1cc34b120", kill_on_drop: false }`
[INFO] [stdout] 6ea89b99a93502e37769f011822664eef8f48af05a5ff12cbebc8af1cc34b120
[INFO] checking asparit-0.1.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate asparit 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate asparit 0.1.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asparit 0.1.0
[INFO] finished tweaking crates.io crate asparit 0.1.0
[INFO] tweaked toml for crates.io crate asparit 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35731d0ab04ecff5d10a6f36334f2c950a5047fae086b39321c1f046717184dc
[INFO] running `Command { std: "docker" "start" "-a" "35731d0ab04ecff5d10a6f36334f2c950a5047fae086b39321c1f046717184dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35731d0ab04ecff5d10a6f36334f2c950a5047fae086b39321c1f046717184dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35731d0ab04ecff5d10a6f36334f2c950a5047fae086b39321c1f046717184dc", kill_on_drop: false }`
[INFO] [stdout] 35731d0ab04ecff5d10a6f36334f2c950a5047fae086b39321c1f046717184dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4d9b2b92541c7857041f0ad902ef80e6b7dd6f6fa02f22d0dcbd0400f0141f5
[INFO] running `Command { std: "docker" "start" "-a" "a4d9b2b92541c7857041f0ad902ef80e6b7dd6f6fa02f22d0dcbd0400f0141f5", kill_on_drop: false }`
[INFO] [stderr]     Checking asparit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/core/iterator.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering};
[INFO] [stdout]   |                ^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/core/iterator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chain.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chain.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chain.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chunks.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chunks.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chunks.rs:2:57
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/iter/cmp.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                ^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/iter/cmp.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]  --> src/iter/cmp.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/flatten.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/interleave.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/interleave.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/interleave.rs:2:63
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                                               ^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/intersperse.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{once, DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/intersperse.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{once, DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/intersperse.rs:1:69
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{once, DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                                                     ^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/iter/max.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, Ord, Ordering};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/iter/min.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{min, Ord, Ordering};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/while_some.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/while_some.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/while_some.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/core/iterator.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering};
[INFO] [stdout]   |                ^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/core/iterator.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chain.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chain.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chain.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chunks.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chunks.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/chunks.rs:2:57
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/iter/cmp.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                ^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/iter/cmp.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]  --> src/iter/cmp.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{Ord, Ordering, PartialEq, PartialOrd};
[INFO] [stdout]   |                                          ^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IntoIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/flatten.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::IntoIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `IntoIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/interleave.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/interleave.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/interleave.rs:2:63
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                                               ^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/intersperse.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{once, DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/intersperse.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{once, DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/intersperse.rs:1:69
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{once, DoubleEndedIterator, ExactSizeIterator, Fuse, Iterator};
[INFO] [stdout]   |                                                                     ^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/iter/max.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, Ord, Ordering};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]  --> src/iter/min.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{min, Ord, Ordering};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Ord` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/while_some.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly
[INFO] [stdout]  --> src/iter/while_some.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ExactSizeIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/iter/while_some.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::{DoubleEndedIterator, ExactSizeIterator, Iterator};
[INFO] [stdout]   |                                                         ^^^^^^^^
[INFO] [stdout]  --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "a4d9b2b92541c7857041f0ad902ef80e6b7dd6f6fa02f22d0dcbd0400f0141f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d9b2b92541c7857041f0ad902ef80e6b7dd6f6fa02f22d0dcbd0400f0141f5", kill_on_drop: false }`
[INFO] [stdout] a4d9b2b92541c7857041f0ad902ef80e6b7dd6f6fa02f22d0dcbd0400f0141f5
