[INFO] fetching crate arnalisa 0.6.8...
[INFO] checking arnalisa-0.6.8 against master#dc375db7d8df0aa450e622c529147c95eee756f5 for pr-156749
[INFO] extracting crate arnalisa 0.6.8 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate arnalisa 0.6.8
[INFO] finished tweaking crates.io crate arnalisa 0.6.8
[INFO] tweaked toml for crates.io crate arnalisa 0.6.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate arnalisa 0.6.8 on toolchain dc375db7d8df0aa450e622c529147c95eee756f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]      Locking 130 packages to latest compatible versions
[INFO] [stderr]       Adding crossbeam-channel v0.3.9 (available: v0.5.15)
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[INFO] [stderr]       Adding serde_cbor v0.10.2 (available: v0.11.2)
[INFO] [stderr]       Adding snafu v0.5.0 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xio_webapi v0.19.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2c6267ba231029c14038194bd49d7b700def0e50948f3ac3642ae97babe2b78f
[INFO] running `Command { std: "docker" "start" "2c6267ba231029c14038194bd49d7b700def0e50948f3ac3642ae97babe2b78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2c6267ba231029c14038194bd49d7b700def0e50948f3ac3642ae97babe2b78f" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c6267ba231029c14038194bd49d7b700def0e50948f3ac3642ae97babe2b78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2c6267ba231029c14038194bd49d7b700def0e50948f3ac3642ae97babe2b78f" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
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[INFO] [stderr]    Compiling serde_json v1.0.150
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[INFO] [stderr]     Checking csv v1.4.0
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[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stderr]     Checking chrono v0.4.45
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[INFO] [stderr]     Checking arnalisa v0.6.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:413:21
[INFO] [stdout]     |
[INFO] [stdout] 413 |             B(v) => (v),
[INFO] [stdout]     |                     ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 413 -             B(v) => (v),
[INFO] [stdout] 413 +             B(v) => v ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:414:22
[INFO] [stdout]     |
[INFO] [stdout] 414 |             I8(v) => (v != 0i8),
[INFO] [stdout]     |                      ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 414 -             I8(v) => (v != 0i8),
[INFO] [stdout] 414 +             I8(v) => v != 0i8 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:415:23
[INFO] [stdout]     |
[INFO] [stdout] 415 |             I16(v) => (v != 0i16),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 415 -             I16(v) => (v != 0i16),
[INFO] [stdout] 415 +             I16(v) => v != 0i16 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:416:23
[INFO] [stdout]     |
[INFO] [stdout] 416 |             I32(v) => (v != 0i32),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 416 -             I32(v) => (v != 0i32),
[INFO] [stdout] 416 +             I32(v) => v != 0i32 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:417:23
[INFO] [stdout]     |
[INFO] [stdout] 417 |             I64(v) => (v != 0i64),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 417 -             I64(v) => (v != 0i64),
[INFO] [stdout] 417 +             I64(v) => v != 0i64 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:418:23
[INFO] [stdout]     |
[INFO] [stdout] 418 |             F32(v) => (v != 0f32),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 418 -             F32(v) => (v != 0f32),
[INFO] [stdout] 418 +             F32(v) => v != 0f32 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:419:23
[INFO] [stdout]     |
[INFO] [stdout] 419 |             F64(v) => (v != 0f64),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 419 -             F64(v) => (v != 0f64),
[INFO] [stdout] 419 +             F64(v) => v != 0f64 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:420:22
[INFO] [stdout]     |
[INFO] [stdout] 420 |             U8(v) => (v != 0u8),
[INFO] [stdout]     |                      ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 420 -             U8(v) => (v != 0u8),
[INFO] [stdout] 420 +             U8(v) => v != 0u8 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:421:23
[INFO] [stdout]     |
[INFO] [stdout] 421 |             U16(v) => (v != 0u16),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 421 -             U16(v) => (v != 0u16),
[INFO] [stdout] 421 +             U16(v) => v != 0u16 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:422:23
[INFO] [stdout]     |
[INFO] [stdout] 422 |             U32(v) => (v != 0),
[INFO] [stdout]     |                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 422 -             U32(v) => (v != 0),
[INFO] [stdout] 422 +             U32(v) => v != 0 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:423:23
[INFO] [stdout]     |
[INFO] [stdout] 423 |             U64(v) => (v != 0),
[INFO] [stdout]     |                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 423 -             U64(v) => (v != 0),
[INFO] [stdout] 423 +             U64(v) => v != 0 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:424:24
[INFO] [stdout]     |
[INFO] [stdout] 424 |             Nothing => (false),
[INFO] [stdout]     |                        ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 424 -             Nothing => (false),
[INFO] [stdout] 424 +             Nothing => false ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:413:21
[INFO] [stdout]     |
[INFO] [stdout] 413 |             B(v) => (v),
[INFO] [stdout]     |                     ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 413 -             B(v) => (v),
[INFO] [stdout] 413 +             B(v) => v ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:414:22
[INFO] [stdout]     |
[INFO] [stdout] 414 |             I8(v) => (v != 0i8),
[INFO] [stdout]     |                      ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 414 -             I8(v) => (v != 0i8),
[INFO] [stdout] 414 +             I8(v) => v != 0i8 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:415:23
[INFO] [stdout]     |
[INFO] [stdout] 415 |             I16(v) => (v != 0i16),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 415 -             I16(v) => (v != 0i16),
[INFO] [stdout] 415 +             I16(v) => v != 0i16 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:416:23
[INFO] [stdout]     |
[INFO] [stdout] 416 |             I32(v) => (v != 0i32),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 416 -             I32(v) => (v != 0i32),
[INFO] [stdout] 416 +             I32(v) => v != 0i32 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:417:23
[INFO] [stdout]     |
[INFO] [stdout] 417 |             I64(v) => (v != 0i64),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 417 -             I64(v) => (v != 0i64),
[INFO] [stdout] 417 +             I64(v) => v != 0i64 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:418:23
[INFO] [stdout]     |
[INFO] [stdout] 418 |             F32(v) => (v != 0f32),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 418 -             F32(v) => (v != 0f32),
[INFO] [stdout] 418 +             F32(v) => v != 0f32 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:419:23
[INFO] [stdout]     |
[INFO] [stdout] 419 |             F64(v) => (v != 0f64),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 419 -             F64(v) => (v != 0f64),
[INFO] [stdout] 419 +             F64(v) => v != 0f64 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:420:22
[INFO] [stdout]     |
[INFO] [stdout] 420 |             U8(v) => (v != 0u8),
[INFO] [stdout]     |                      ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 420 -             U8(v) => (v != 0u8),
[INFO] [stdout] 420 +             U8(v) => v != 0u8 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:421:23
[INFO] [stdout]     |
[INFO] [stdout] 421 |             U16(v) => (v != 0u16),
[INFO] [stdout]     |                       ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 421 -             U16(v) => (v != 0u16),
[INFO] [stdout] 421 +             U16(v) => v != 0u16 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:422:23
[INFO] [stdout]     |
[INFO] [stdout] 422 |             U32(v) => (v != 0),
[INFO] [stdout]     |                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 422 -             U32(v) => (v != 0),
[INFO] [stdout] 422 +             U32(v) => v != 0 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:423:23
[INFO] [stdout]     |
[INFO] [stdout] 423 |             U64(v) => (v != 0),
[INFO] [stdout]     |                       ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 423 -             U64(v) => (v != 0),
[INFO] [stdout] 423 +             U64(v) => v != 0 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/item.rs:424:24
[INFO] [stdout]     |
[INFO] [stdout] 424 |             Nothing => (false),
[INFO] [stdout]     |                        ^     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 424 -             Nothing => (false),
[INFO] [stdout] 424 +             Nothing => false ,
[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/sortable_float.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |             .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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 96 -             .into_iter()
[INFO] [stdout] 96 +             .iter()
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 95 -         let map = [(0f64, 0f64), (1f64, 1f64), (2f64, 2f64)]
[INFO] [stdout] 96 -             .into_iter()
[INFO] [stdout] 95 +         let map = IntoIterator::into_iter([(0f64, 0f64), (1f64, 1f64), (2f64, 2f64)])
[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/sortable_float.rs:102:14
[INFO] [stdout]     |
[INFO] [stdout] 102 |             .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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 102 -             .into_iter()
[INFO] [stdout] 102 +             .iter()
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 101 -         let map = [(0f64, 0f64), (1f64, 1f64), (2f64, 0f64)]
[INFO] [stdout] 102 -             .into_iter()
[INFO] [stdout] 101 +         let map = IntoIterator::into_iter([(0f64, 0f64), (1f64, 1f64), (2f64, 0f64)])
[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/sortable_float.rs:108:14
[INFO] [stdout]     |
[INFO] [stdout] 108 |             .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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 108 -             .into_iter()
[INFO] [stdout] 108 +             .iter()
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 107 -         let map = [(0f64, 1f64), (1f64, 0f64), (2f64, 1f64)]
[INFO] [stdout] 108 -             .into_iter()
[INFO] [stdout] 107 +         let map = IntoIterator::into_iter([(0f64, 1f64), (1f64, 0f64), (2f64, 1f64)])
[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/sortable_float.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |             .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/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 114 -             .into_iter()
[INFO] [stdout] 114 +             .iter()
[INFO] [stdout]     |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 113 -         let map = [(0f64, 2f64), (1f64, 1f64), (2f64, 0f64)]
[INFO] [stdout] 114 -             .into_iter()
[INFO] [stdout] 113 +         let map = IntoIterator::into_iter([(0f64, 2f64), (1f64, 1f64), (2f64, 0f64)])
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.02s
[INFO] running `Command { std: "docker" "inspect" "2c6267ba231029c14038194bd49d7b700def0e50948f3ac3642ae97babe2b78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6267ba231029c14038194bd49d7b700def0e50948f3ac3642ae97babe2b78f", kill_on_drop: false }`
[INFO] [stdout] 2c6267ba231029c14038194bd49d7b700def0e50948f3ac3642ae97babe2b78f
