[INFO] fetching crate aligner 0.1.6...
[INFO] checking aligner-0.1.6 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate aligner 0.1.6 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate aligner 0.1.6 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aligner 0.1.6
[INFO] finished tweaking crates.io crate aligner 0.1.6
[INFO] tweaked toml for crates.io crate aligner 0.1.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e870c938bafb0d86fc23aa2690ca5b5450e6a61a0a719a52cd1aa5ce48af5053
[INFO] running `Command { std: "docker" "start" "-a" "e870c938bafb0d86fc23aa2690ca5b5450e6a61a0a719a52cd1aa5ce48af5053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e870c938bafb0d86fc23aa2690ca5b5450e6a61a0a719a52cd1aa5ce48af5053", kill_on_drop: false }`
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[INFO] [stdout] bd8be9d2f464824ef68456c06069df87444857b2014764a87dff0512bd9f8c0e
[INFO] running `Command { std: "docker" "start" "-a" "bd8be9d2f464824ef68456c06069df87444857b2014764a87dff0512bd9f8c0e", kill_on_drop: false }`
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[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/internal/delta_compression.rs:344:50
[INFO] [stdout]     |
[INFO] [stdout] 344 |     pub fn write_to_file(&self, path: String) -> ::std::io::Result<()>
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:24:31
[INFO] [stdout]     |
[INFO] [stdout] 24  |         unused_import_braces, unused_qualifications)]
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 344 -     pub fn write_to_file(&self, path: String) -> ::std::io::Result<()>
[INFO] [stdout] 344 +     pub fn write_to_file(&self, path: String) -> std::io::Result<()>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/internal/time_types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/internal/rating_type.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/internal/delta_compression.rs:344:50
[INFO] [stdout]     |
[INFO] [stdout] 344 |     pub fn write_to_file(&self, path: String) -> ::std::io::Result<()>
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:24:31
[INFO] [stdout]     |
[INFO] [stdout] 24  |         unused_import_braces, unused_qualifications)]
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 344 -     pub fn write_to_file(&self, path: String) -> ::std::io::Result<()>
[INFO] [stdout] 344 +     pub fn write_to_file(&self, path: String) -> std::io::Result<()>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/internal/rating_type.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 | const RATING_PRECISION: RatingIntern = (1 << 32);
[INFO] [stdout]    |                                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 - const RATING_PRECISION: RatingIntern = (1 << 32);
[INFO] [stdout] 27 + const RATING_PRECISION: RatingIntern = 1 << 32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/internal/timespan_ops.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rating` is imported redundantly
[INFO] [stdout]    --> src/internal/delta_compression.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |     use super::*;
[INFO] [stdout]     |         -------- the item `Rating` is already imported here
[INFO] [stdout] 370 |     use internal::Rating;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/internal/delta_compression.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |     use rand;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:34:1
[INFO] [stdout]     |
[INFO] [stdout] 34  | extern crate rand;
[INFO] [stdout]     | ------------------ the item `rand` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]    --> src/internal/delta_compression.rs:374:9
[INFO] [stdout]     |
[INFO] [stdout] 374 |     use std::convert::From;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/internal/time_types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/internal/rating_type.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/internal/rating_type.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 | const RATING_PRECISION: RatingIntern = (1 << 32);
[INFO] [stdout]    |                                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 - const RATING_PRECISION: RatingIntern = (1 << 32);
[INFO] [stdout] 27 + const RATING_PRECISION: RatingIntern = 1 << 32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/internal/aligner.rs:594:9
[INFO] [stdout]     |
[INFO] [stdout] 594 |     use rand;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:34:1
[INFO] [stdout]     |
[INFO] [stdout] 34  | extern crate rand;
[INFO] [stdout]     | ------------------ the item `rand` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/internal/timespan_ops.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `prepare_time_spans` is imported redundantly
[INFO] [stdout]    --> src/internal/timespan_ops.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     use super::*;
[INFO] [stdout]     |         -------- the item `prepare_time_spans` is already imported here
[INFO] [stdout] 162 |     use internal::prepare_time_spans;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/internal/utils.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |     use rand;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:34:1
[INFO] [stdout]     |
[INFO] [stdout] 34  | extern crate rand;
[INFO] [stdout]     | ------------------ the item `rand` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TimePoint` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |     use super::*;
[INFO] [stdout]    |         -------- the item `TimePoint` is already imported here
[INFO] [stdout] 97 |     use internal::{TimePoint, prepare_time_spans};
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `prepare_time_spans` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:97:31
[INFO] [stdout]    |
[INFO] [stdout] 96 |     use super::*;
[INFO] [stdout]    |         -------- the item `prepare_time_spans` is already imported here
[INFO] [stdout] 97 |     use internal::{TimePoint, prepare_time_spans};
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     use super::*;
[INFO] [stdout]    |         -------- the item `rand` is already imported here
[INFO] [stdout] 97 |     use internal::{TimePoint, prepare_time_spans};
[INFO] [stdout] 98 |     use rand;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |     progress_handler: Option<Box<ProgressHandler>>,
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |     progress_handler: Option<Box<dyn ProgressHandler>>,
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/aligner.rs:72:38
[INFO] [stdout]    |
[INFO] [stdout] 72 |     progress_handler_opt: Option<Box<ProgressHandler>>,
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     progress_handler_opt: Option<Box<dyn ProgressHandler>>,
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |     progress_handler: Option<Box<ProgressHandler>>,
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |     progress_handler: Option<Box<dyn ProgressHandler>>,
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/aligner.rs:72:38
[INFO] [stdout]    |
[INFO] [stdout] 72 |     progress_handler_opt: Option<Box<ProgressHandler>>,
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     progress_handler_opt: Option<Box<dyn ProgressHandler>>,
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internal/aligner.rs:110:46
[INFO] [stdout]     |
[INFO] [stdout] 110 |         mut progress_handler_opt: Option<Box<ProgressHandler>>,
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |         mut progress_handler_opt: Option<Box<dyn ProgressHandler>>,
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internal/aligner.rs:110:46
[INFO] [stdout]     |
[INFO] [stdout] 110 |         mut progress_handler_opt: Option<Box<ProgressHandler>>,
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |         mut progress_handler_opt: Option<Box<dyn ProgressHandler>>,
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:398:30
[INFO] [stdout]     |
[INFO] [stdout] 398 | ...                   .into_iter()
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 398 |                             .iter()
[INFO] [stdout]     |                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 397 |                         IntoIterator::into_iter([(reposition_rating_seg, Choice::Reposition)])
[INFO] [stdout]     |                         ++++++++++++++++++++++++                                             ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:407:30
[INFO] [stdout]     |
[INFO] [stdout] 407 | ...                   .into_iter()
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 407 |                             .iter()
[INFO] [stdout]     |                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 406 |                         IntoIterator::into_iter([(nosplit_rating_seg, Choice::NosplitReposition)])
[INFO] [stdout]     |                         ++++++++++++++++++++++++                                                 ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:414:84
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     return ArrayVec::from_iter([(fixed_rating_seg, Choice::Fixed)].into_iter().cloned());
[INFO] [stdout]     |                                                                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     return ArrayVec::from_iter([(fixed_rating_seg, Choice::Fixed)].iter().cloned());
[INFO] [stdout]     |                                                                                    ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     return ArrayVec::from_iter(IntoIterator::into_iter([(fixed_rating_seg, Choice::Fixed)]).cloned());
[INFO] [stdout]     |                                                ++++++++++++++++++++++++                                   ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:488:58
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut iterators: ArrayVec<[_; 4]> = timepoints.into_iter()
[INFO] [stdout]     |                                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut iterators: ArrayVec<[_; 4]> = timepoints.iter()
[INFO] [stdout]     |                                                          ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut iterators: ArrayVec<[_; 4]> = IntoIterator::into_iter(timepoints)
[INFO] [stdout]     |                                               ++++++++++++++++++++++++          ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:72:41
[INFO] [stdout]    |
[INFO] [stdout] 72 |         0 => ArrayVec::from_iter([prev].into_iter().cloned()),
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 72 |         0 => ArrayVec::from_iter([prev].iter().cloned()),
[INFO] [stdout]    |                                         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 72 |         0 => ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned()),
[INFO] [stdout]    |                                  ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:73:41
[INFO] [stdout]    |
[INFO] [stdout] 73 |         1 => ArrayVec::from_iter([prev].into_iter().cloned().chain(a.into_iter())),
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 73 |         1 => ArrayVec::from_iter([prev].iter().cloned().chain(a.into_iter())),
[INFO] [stdout]    |                                         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 73 |         1 => ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned().chain(a.into_iter())),
[INFO] [stdout]    |                                  ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:76:44
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 ArrayVec::from_iter([prev].into_iter().cloned().chain(a.into_iter()))
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 ArrayVec::from_iter([prev].iter().cloned().chain(a.into_iter()))
[INFO] [stdout]    |                                            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned().chain(a.into_iter()))
[INFO] [stdout]    |                                     ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:78:44
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 ArrayVec::from_iter([prev].into_iter().cloned().chain(a.into_iter().rev()))
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 ArrayVec::from_iter([prev].iter().cloned().chain(a.into_iter().rev()))
[INFO] [stdout]    |                                            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned().chain(a.into_iter().rev()))
[INFO] [stdout]    |                                     ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aligner` (lib) due to 2 previous errors; 15 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:398:30
[INFO] [stdout]     |
[INFO] [stdout] 398 | ...                   .into_iter()
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 398 |                             .iter()
[INFO] [stdout]     |                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 397 |                         IntoIterator::into_iter([(reposition_rating_seg, Choice::Reposition)])
[INFO] [stdout]     |                         ++++++++++++++++++++++++                                             ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:407:30
[INFO] [stdout]     |
[INFO] [stdout] 407 | ...                   .into_iter()
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 407 |                             .iter()
[INFO] [stdout]     |                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 406 |                         IntoIterator::into_iter([(nosplit_rating_seg, Choice::NosplitReposition)])
[INFO] [stdout]     |                         ++++++++++++++++++++++++                                                 ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:414:84
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     return ArrayVec::from_iter([(fixed_rating_seg, Choice::Fixed)].into_iter().cloned());
[INFO] [stdout]     |                                                                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     return ArrayVec::from_iter([(fixed_rating_seg, Choice::Fixed)].iter().cloned());
[INFO] [stdout]     |                                                                                    ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     return ArrayVec::from_iter(IntoIterator::into_iter([(fixed_rating_seg, Choice::Fixed)]).cloned());
[INFO] [stdout]     |                                                ++++++++++++++++++++++++                                   ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:488:58
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut iterators: ArrayVec<[_; 4]> = timepoints.into_iter()
[INFO] [stdout]     |                                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut iterators: ArrayVec<[_; 4]> = timepoints.iter()
[INFO] [stdout]     |                                                          ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut iterators: ArrayVec<[_; 4]> = IntoIterator::into_iter(timepoints)
[INFO] [stdout]     |                                               ++++++++++++++++++++++++          ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:72:41
[INFO] [stdout]    |
[INFO] [stdout] 72 |         0 => ArrayVec::from_iter([prev].into_iter().cloned()),
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 72 |         0 => ArrayVec::from_iter([prev].iter().cloned()),
[INFO] [stdout]    |                                         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 72 |         0 => ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned()),
[INFO] [stdout]    |                                  ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:73:41
[INFO] [stdout]    |
[INFO] [stdout] 73 |         1 => ArrayVec::from_iter([prev].into_iter().cloned().chain(a.into_iter())),
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 73 |         1 => ArrayVec::from_iter([prev].iter().cloned().chain(a.into_iter())),
[INFO] [stdout]    |                                         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 73 |         1 => ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned().chain(a.into_iter())),
[INFO] [stdout]    |                                  ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:76:44
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 ArrayVec::from_iter([prev].into_iter().cloned().chain(a.into_iter()))
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 ArrayVec::from_iter([prev].iter().cloned().chain(a.into_iter()))
[INFO] [stdout]    |                                            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned().chain(a.into_iter()))
[INFO] [stdout]    |                                     ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:78:44
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 ArrayVec::from_iter([prev].into_iter().cloned().chain(a.into_iter().rev()))
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 ArrayVec::from_iter([prev].iter().cloned().chain(a.into_iter().rev()))
[INFO] [stdout]    |                                            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned().chain(a.into_iter().rev()))
[INFO] [stdout]    |                                     ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/utils.rs:317:27
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 test_segs.into_iter()
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 test_segs.iter()
[INFO] [stdout]     |                           ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 IntoIterator::into_iter(test_segs)
[INFO] [stdout]     |                 ++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/utils.rs:340:27
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 test_segs.into_iter()
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 test_segs.iter()
[INFO] [stdout]     |                           ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 IntoIterator::into_iter(test_segs)
[INFO] [stdout]     |                 ++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aligner` (lib test) due to 2 previous errors; 26 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bd8be9d2f464824ef68456c06069df87444857b2014764a87dff0512bd9f8c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8be9d2f464824ef68456c06069df87444857b2014764a87dff0512bd9f8c0e", kill_on_drop: false }`
[INFO] [stdout] bd8be9d2f464824ef68456c06069df87444857b2014764a87dff0512bd9f8c0e
[INFO] checking aligner-0.1.6 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate aligner 0.1.6 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate aligner 0.1.6 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aligner 0.1.6
[INFO] finished tweaking crates.io crate aligner 0.1.6
[INFO] tweaked toml for crates.io crate aligner 0.1.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57c1f596d9388a49a60433738971493a60aebc099a6716b8b4bd62694e7ab359
[INFO] running `Command { std: "docker" "start" "-a" "57c1f596d9388a49a60433738971493a60aebc099a6716b8b4bd62694e7ab359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57c1f596d9388a49a60433738971493a60aebc099a6716b8b4bd62694e7ab359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c1f596d9388a49a60433738971493a60aebc099a6716b8b4bd62694e7ab359", kill_on_drop: false }`
[INFO] [stdout] 57c1f596d9388a49a60433738971493a60aebc099a6716b8b4bd62694e7ab359
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f2cc2857242da1fc2d9d4725321c8705af2fd00dcde5e34944be07e8b043173
[INFO] running `Command { std: "docker" "start" "-a" "0f2cc2857242da1fc2d9d4725321c8705af2fd00dcde5e34944be07e8b043173", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
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[INFO] [stderr]     Checking ansi_term v0.12.1
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[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking vobsub v0.2.3
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[INFO] [stderr]     Checking aligner v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/internal/delta_compression.rs:344:50
[INFO] [stdout]     |
[INFO] [stdout] 344 |     pub fn write_to_file(&self, path: String) -> ::std::io::Result<()>
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:24:31
[INFO] [stdout]     |
[INFO] [stdout] 24  |         unused_import_braces, unused_qualifications)]
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 344 -     pub fn write_to_file(&self, path: String) -> ::std::io::Result<()>
[INFO] [stdout] 344 +     pub fn write_to_file(&self, path: String) -> std::io::Result<()>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/internal/time_types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/internal/rating_type.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/internal/rating_type.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 | const RATING_PRECISION: RatingIntern = (1 << 32);
[INFO] [stdout]    |                                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 - const RATING_PRECISION: RatingIntern = (1 << 32);
[INFO] [stdout] 27 + const RATING_PRECISION: RatingIntern = 1 << 32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/internal/timespan_ops.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/internal/delta_compression.rs:344:50
[INFO] [stdout]     |
[INFO] [stdout] 344 |     pub fn write_to_file(&self, path: String) -> ::std::io::Result<()>
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:24:31
[INFO] [stdout]     |
[INFO] [stdout] 24  |         unused_import_braces, unused_qualifications)]
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 344 -     pub fn write_to_file(&self, path: String) -> ::std::io::Result<()>
[INFO] [stdout] 344 +     pub fn write_to_file(&self, path: String) -> std::io::Result<()>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Rating` is imported redundantly
[INFO] [stdout]    --> src/internal/delta_compression.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |     use super::*;
[INFO] [stdout]     |         -------- the item `Rating` is already imported here
[INFO] [stdout] 370 |     use internal::Rating;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/internal/delta_compression.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |     use rand;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:34:1
[INFO] [stdout]     |
[INFO] [stdout] 34  | extern crate rand;
[INFO] [stdout]     | ------------------ the item `rand` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]    --> src/internal/delta_compression.rs:374:9
[INFO] [stdout]     |
[INFO] [stdout] 374 |     use std::convert::From;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/internal/time_types.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/internal/rating_type.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/internal/rating_type.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 | const RATING_PRECISION: RatingIntern = (1 << 32);
[INFO] [stdout]    |                                        ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 - const RATING_PRECISION: RatingIntern = (1 << 32);
[INFO] [stdout] 27 + const RATING_PRECISION: RatingIntern = 1 << 32;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/internal/aligner.rs:594:9
[INFO] [stdout]     |
[INFO] [stdout] 594 |     use rand;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:34:1
[INFO] [stdout]     |
[INFO] [stdout] 34  | extern crate rand;
[INFO] [stdout]     | ------------------ the item `rand` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> src/internal/timespan_ops.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std;
[INFO] [stdout]    |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `prepare_time_spans` is imported redundantly
[INFO] [stdout]    --> src/internal/timespan_ops.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     use super::*;
[INFO] [stdout]     |         -------- the item `prepare_time_spans` is already imported here
[INFO] [stdout] 162 |     use internal::prepare_time_spans;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]    --> src/internal/utils.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |     use rand;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:34:1
[INFO] [stdout]     |
[INFO] [stdout] 34  | extern crate rand;
[INFO] [stdout]     | ------------------ the item `rand` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TimePoint` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:97:20
[INFO] [stdout]    |
[INFO] [stdout] 96 |     use super::*;
[INFO] [stdout]    |         -------- the item `TimePoint` is already imported here
[INFO] [stdout] 97 |     use internal::{TimePoint, prepare_time_spans};
[INFO] [stdout]    |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `prepare_time_spans` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:97:31
[INFO] [stdout]    |
[INFO] [stdout] 96 |     use super::*;
[INFO] [stdout]    |         -------- the item `prepare_time_spans` is already imported here
[INFO] [stdout] 97 |     use internal::{TimePoint, prepare_time_spans};
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     use super::*;
[INFO] [stdout]    |         -------- the item `rand` is already imported here
[INFO] [stdout] 97 |     use internal::{TimePoint, prepare_time_spans};
[INFO] [stdout] 98 |     use rand;
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |     progress_handler: Option<Box<ProgressHandler>>,
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |     progress_handler: Option<Box<dyn ProgressHandler>>,
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/aligner.rs:72:38
[INFO] [stdout]    |
[INFO] [stdout] 72 |     progress_handler_opt: Option<Box<ProgressHandler>>,
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     progress_handler_opt: Option<Box<dyn ProgressHandler>>,
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |     progress_handler: Option<Box<ProgressHandler>>,
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |     progress_handler: Option<Box<dyn ProgressHandler>>,
[INFO] [stdout]    |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/aligner.rs:72:38
[INFO] [stdout]    |
[INFO] [stdout] 72 |     progress_handler_opt: Option<Box<ProgressHandler>>,
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 72 |     progress_handler_opt: Option<Box<dyn ProgressHandler>>,
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internal/aligner.rs:110:46
[INFO] [stdout]     |
[INFO] [stdout] 110 |         mut progress_handler_opt: Option<Box<ProgressHandler>>,
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |         mut progress_handler_opt: Option<Box<dyn ProgressHandler>>,
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internal/aligner.rs:110:46
[INFO] [stdout]     |
[INFO] [stdout] 110 |         mut progress_handler_opt: Option<Box<ProgressHandler>>,
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |         mut progress_handler_opt: Option<Box<dyn ProgressHandler>>,
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:398:30
[INFO] [stdout]     |
[INFO] [stdout] 398 | ...                   .into_iter()
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 398 |                             .iter()
[INFO] [stdout]     |                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 397 |                         IntoIterator::into_iter([(reposition_rating_seg, Choice::Reposition)])
[INFO] [stdout]     |                         ++++++++++++++++++++++++                                             ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:407:30
[INFO] [stdout]     |
[INFO] [stdout] 407 | ...                   .into_iter()
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 407 |                             .iter()
[INFO] [stdout]     |                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 406 |                         IntoIterator::into_iter([(nosplit_rating_seg, Choice::NosplitReposition)])
[INFO] [stdout]     |                         ++++++++++++++++++++++++                                                 ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:414:84
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     return ArrayVec::from_iter([(fixed_rating_seg, Choice::Fixed)].into_iter().cloned());
[INFO] [stdout]     |                                                                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     return ArrayVec::from_iter([(fixed_rating_seg, Choice::Fixed)].iter().cloned());
[INFO] [stdout]     |                                                                                    ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     return ArrayVec::from_iter(IntoIterator::into_iter([(fixed_rating_seg, Choice::Fixed)]).cloned());
[INFO] [stdout]     |                                                ++++++++++++++++++++++++                                   ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:488:58
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut iterators: ArrayVec<[_; 4]> = timepoints.into_iter()
[INFO] [stdout]     |                                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut iterators: ArrayVec<[_; 4]> = timepoints.iter()
[INFO] [stdout]     |                                                          ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut iterators: ArrayVec<[_; 4]> = IntoIterator::into_iter(timepoints)
[INFO] [stdout]     |                                               ++++++++++++++++++++++++          ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:72:41
[INFO] [stdout]    |
[INFO] [stdout] 72 |         0 => ArrayVec::from_iter([prev].into_iter().cloned()),
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 72 |         0 => ArrayVec::from_iter([prev].iter().cloned()),
[INFO] [stdout]    |                                         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 72 |         0 => ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned()),
[INFO] [stdout]    |                                  ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:73:41
[INFO] [stdout]    |
[INFO] [stdout] 73 |         1 => ArrayVec::from_iter([prev].into_iter().cloned().chain(a.into_iter())),
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 73 |         1 => ArrayVec::from_iter([prev].iter().cloned().chain(a.into_iter())),
[INFO] [stdout]    |                                         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 73 |         1 => ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned().chain(a.into_iter())),
[INFO] [stdout]    |                                  ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:76:44
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 ArrayVec::from_iter([prev].into_iter().cloned().chain(a.into_iter()))
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 ArrayVec::from_iter([prev].iter().cloned().chain(a.into_iter()))
[INFO] [stdout]    |                                            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned().chain(a.into_iter()))
[INFO] [stdout]    |                                     ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:78:44
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 ArrayVec::from_iter([prev].into_iter().cloned().chain(a.into_iter().rev()))
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 ArrayVec::from_iter([prev].iter().cloned().chain(a.into_iter().rev()))
[INFO] [stdout]    |                                            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned().chain(a.into_iter().rev()))
[INFO] [stdout]    |                                     ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aligner` (lib) due to 2 previous errors; 15 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:398:30
[INFO] [stdout]     |
[INFO] [stdout] 398 | ...                   .into_iter()
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 398 |                             .iter()
[INFO] [stdout]     |                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 397 |                         IntoIterator::into_iter([(reposition_rating_seg, Choice::Reposition)])
[INFO] [stdout]     |                         ++++++++++++++++++++++++                                             ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:407:30
[INFO] [stdout]     |
[INFO] [stdout] 407 | ...                   .into_iter()
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 407 |                             .iter()
[INFO] [stdout]     |                              ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 406 |                         IntoIterator::into_iter([(nosplit_rating_seg, Choice::NosplitReposition)])
[INFO] [stdout]     |                         ++++++++++++++++++++++++                                                 ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:414:84
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     return ArrayVec::from_iter([(fixed_rating_seg, Choice::Fixed)].into_iter().cloned());
[INFO] [stdout]     |                                                                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     return ArrayVec::from_iter([(fixed_rating_seg, Choice::Fixed)].iter().cloned());
[INFO] [stdout]     |                                                                                    ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     return ArrayVec::from_iter(IntoIterator::into_iter([(fixed_rating_seg, Choice::Fixed)]).cloned());
[INFO] [stdout]     |                                                ++++++++++++++++++++++++                                   ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/aligner.rs:488:58
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut iterators: ArrayVec<[_; 4]> = timepoints.into_iter()
[INFO] [stdout]     |                                                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut iterators: ArrayVec<[_; 4]> = timepoints.iter()
[INFO] [stdout]     |                                                          ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 488 |         let mut iterators: ArrayVec<[_; 4]> = IntoIterator::into_iter(timepoints)
[INFO] [stdout]     |                                               ++++++++++++++++++++++++          ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:72:41
[INFO] [stdout]    |
[INFO] [stdout] 72 |         0 => ArrayVec::from_iter([prev].into_iter().cloned()),
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 72 |         0 => ArrayVec::from_iter([prev].iter().cloned()),
[INFO] [stdout]    |                                         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 72 |         0 => ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned()),
[INFO] [stdout]    |                                  ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:73:41
[INFO] [stdout]    |
[INFO] [stdout] 73 |         1 => ArrayVec::from_iter([prev].into_iter().cloned().chain(a.into_iter())),
[INFO] [stdout]    |                                         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 73 |         1 => ArrayVec::from_iter([prev].iter().cloned().chain(a.into_iter())),
[INFO] [stdout]    |                                         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 73 |         1 => ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned().chain(a.into_iter())),
[INFO] [stdout]    |                                  ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:76:44
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 ArrayVec::from_iter([prev].into_iter().cloned().chain(a.into_iter()))
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 ArrayVec::from_iter([prev].iter().cloned().chain(a.into_iter()))
[INFO] [stdout]    |                                            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned().chain(a.into_iter()))
[INFO] [stdout]    |                                     ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/internal/utils.rs:78:44
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 ArrayVec::from_iter([prev].into_iter().cloned().chain(a.into_iter().rev()))
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 ArrayVec::from_iter([prev].iter().cloned().chain(a.into_iter().rev()))
[INFO] [stdout]    |                                            ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 ArrayVec::from_iter(IntoIterator::into_iter([prev]).cloned().chain(a.into_iter().rev()))
[INFO] [stdout]    |                                     ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/utils.rs:317:27
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 test_segs.into_iter()
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 test_segs.iter()
[INFO] [stdout]     |                           ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 IntoIterator::into_iter(test_segs)
[INFO] [stdout]     |                 ++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/internal/utils.rs:340:27
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 test_segs.into_iter()
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 test_segs.iter()
[INFO] [stdout]     |                           ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 340 |                 IntoIterator::into_iter(test_segs)
[INFO] [stdout]     |                 ++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aligner` (lib test) due to 2 previous errors; 26 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0f2cc2857242da1fc2d9d4725321c8705af2fd00dcde5e34944be07e8b043173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2cc2857242da1fc2d9d4725321c8705af2fd00dcde5e34944be07e8b043173", kill_on_drop: false }`
[INFO] [stdout] 0f2cc2857242da1fc2d9d4725321c8705af2fd00dcde5e34944be07e8b043173
