[INFO] fetching crate mini-io-queue 0.2.0...
[INFO] checking mini-io-queue-0.2.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate mini-io-queue 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mini-io-queue 0.2.0 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mini-io-queue 0.2.0
[INFO] finished tweaking crates.io crate mini-io-queue 0.2.0
[INFO] tweaked toml for crates.io crate mini-io-queue 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array-init v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aea8ed7b8be662a2b68676a784cadf14069da9f14f64b8b431e63f2b66b33a8b
[INFO] running `Command { std: "docker" "start" "-a" "aea8ed7b8be662a2b68676a784cadf14069da9f14f64b8b431e63f2b66b33a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aea8ed7b8be662a2b68676a784cadf14069da9f14f64b8b431e63f2b66b33a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aea8ed7b8be662a2b68676a784cadf14069da9f14f64b8b431e63f2b66b33a8b", kill_on_drop: false }`
[INFO] [stdout] aea8ed7b8be662a2b68676a784cadf14069da9f14f64b8b431e63f2b66b33a8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4066f16ec7adc650e3cba9cd1962e83fbaeddf4797076e51ba970db031c4a2c8
[INFO] running `Command { std: "docker" "start" "-a" "4066f16ec7adc650e3cba9cd1962e83fbaeddf4797076e51ba970db031c4a2c8", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking mini-io-queue v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::io_impls::*`
[INFO] [stdout]    --> src/nonblocking.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 | pub use self::io_impls::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::io_impls::*`
[INFO] [stdout]    --> src/nonblocking.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 | pub use self::io_impls::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "4066f16ec7adc650e3cba9cd1962e83fbaeddf4797076e51ba970db031c4a2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4066f16ec7adc650e3cba9cd1962e83fbaeddf4797076e51ba970db031c4a2c8", kill_on_drop: false }`
[INFO] [stdout] 4066f16ec7adc650e3cba9cd1962e83fbaeddf4797076e51ba970db031c4a2c8
[INFO] checking mini-io-queue-0.2.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate mini-io-queue 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate mini-io-queue 0.2.0 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mini-io-queue 0.2.0
[INFO] finished tweaking crates.io crate mini-io-queue 0.2.0
[INFO] tweaked toml for crates.io crate mini-io-queue 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67783281965fe219ab5aea486d7a6308afe0d85dd3e89ec9a3ec9bb19be5612d
[INFO] running `Command { std: "docker" "start" "-a" "67783281965fe219ab5aea486d7a6308afe0d85dd3e89ec9a3ec9bb19be5612d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67783281965fe219ab5aea486d7a6308afe0d85dd3e89ec9a3ec9bb19be5612d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67783281965fe219ab5aea486d7a6308afe0d85dd3e89ec9a3ec9bb19be5612d", kill_on_drop: false }`
[INFO] [stdout] 67783281965fe219ab5aea486d7a6308afe0d85dd3e89ec9a3ec9bb19be5612d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-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" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf38b9ac89646dbe540ad59911fc59e0c7d5ff6277ec6c98e79e248dede5723f
[INFO] running `Command { std: "docker" "start" "-a" "bf38b9ac89646dbe540ad59911fc59e0c7d5ff6277ec6c98e79e248dede5723f", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking mini-io-queue v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/region.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let slice_0 = start_inclusive.min(mid)..end_exclusive.min(mid);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/region.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let slice_1 = (start_inclusive - slice_0.start)..(end_exclusive - slice_0.end);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/region.rs:458:42
[INFO] [stdout]     |
[INFO] [stdout] 458 |         assert_eq!(collect(&region.slice(1..)), vec![2, 3, 4, 5, 6]);
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/region.rs:459:42
[INFO] [stdout]     |
[INFO] [stdout] 459 |         assert_eq!(collect(&region.slice(3..)), vec![4, 5, 6]);
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/region.rs:460:42
[INFO] [stdout]     |
[INFO] [stdout] 460 |         assert_eq!(collect(&region.slice(5..)), vec![6]);
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/region.rs:461:42
[INFO] [stdout]     |
[INFO] [stdout] 461 |         assert_eq!(collect(&region.slice(6..)), vec![]);
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/region.rs:467:42
[INFO] [stdout]     |
[INFO] [stdout] 467 |         assert_eq!(collect(&region.slice(1..3)), vec![2, 3]);
[INFO] [stdout]     |                                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/region.rs:468:42
[INFO] [stdout]     |
[INFO] [stdout] 468 |         assert_eq!(collect(&region.slice(2..4)), vec![3, 4]);
[INFO] [stdout]     |                                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/region.rs:469:42
[INFO] [stdout]     |
[INFO] [stdout] 469 |         assert_eq!(collect(&region.slice(3..5)), vec![4, 5]);
[INFO] [stdout]     |                                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/region.rs:470:42
[INFO] [stdout]     |
[INFO] [stdout] 470 |         assert_eq!(collect(&region.slice(0..6)), vec![1, 2, 3, 4, 5, 6]);
[INFO] [stdout]     |                                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:100:21
[INFO] [stdout]     |
[INFO] [stdout] 100 |             return (left_offset..left_offset, left_offset..left_offset);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:100:47
[INFO] [stdout]     |
[INFO] [stdout] 100 |             return (left_offset..left_offset, left_offset..left_offset);
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:108:14
[INFO] [stdout]     |
[INFO] [stdout] 108 |             (left_offset..self.capacity, 0..right_offset)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:108:42
[INFO] [stdout]     |
[INFO] [stdout] 108 |             (left_offset..self.capacity, 0..right_offset)
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |             (left_offset..right_offset, 0..0)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:114:41
[INFO] [stdout]     |
[INFO] [stdout] 114 |             (left_offset..right_offset, 0..0)
[INFO] [stdout]     |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 192 |             return (right_offset..right_offset, right_offset..right_offset);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:192:49
[INFO] [stdout]     |
[INFO] [stdout] 192 |             return (right_offset..right_offset, right_offset..right_offset);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:200:14
[INFO] [stdout]     |
[INFO] [stdout] 200 |             (right_offset..self.capacity, 0..left_offset)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:200:43
[INFO] [stdout]     |
[INFO] [stdout] 200 |             (right_offset..self.capacity, 0..left_offset)
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:206:14
[INFO] [stdout]     |
[INFO] [stdout] 206 |             (right_offset..left_offset, 0..0)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:206:41
[INFO] [stdout]     |
[INFO] [stdout] 206 |             (right_offset..left_offset, 0..0)
[INFO] [stdout]     |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:275:22
[INFO] [stdout]     |
[INFO] [stdout] 275 |             for _ in 0..self.width {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:287:18
[INFO] [stdout]     |
[INFO] [stdout] 287 |         for _ in 0..inner_start {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:290:18
[INFO] [stdout]     |
[INFO] [stdout] 290 |         for _ in inner_start..inner_end {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:293:18
[INFO] [stdout]     |
[INFO] [stdout] 293 |         for _ in inner_end..self.width {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::io_impls::*`
[INFO] [stdout]    --> src/nonblocking.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 | pub use self::io_impls::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/region.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let slice_0 = start_inclusive.min(mid)..end_exclusive.min(mid);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-syntax`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]   --> src/region.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let slice_1 = (start_inclusive - slice_0.start)..(end_exclusive - slice_0.end);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:100:21
[INFO] [stdout]     |
[INFO] [stdout] 100 |             return (left_offset..left_offset, left_offset..left_offset);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:100:47
[INFO] [stdout]     |
[INFO] [stdout] 100 |             return (left_offset..left_offset, left_offset..left_offset);
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:108:14
[INFO] [stdout]     |
[INFO] [stdout] 108 |             (left_offset..self.capacity, 0..right_offset)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:108:42
[INFO] [stdout]     |
[INFO] [stdout] 108 |             (left_offset..self.capacity, 0..right_offset)
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |             (left_offset..right_offset, 0..0)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:114:41
[INFO] [stdout]     |
[INFO] [stdout] 114 |             (left_offset..right_offset, 0..0)
[INFO] [stdout]     |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:192:21
[INFO] [stdout]     |
[INFO] [stdout] 192 |             return (right_offset..right_offset, right_offset..right_offset);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:192:49
[INFO] [stdout]     |
[INFO] [stdout] 192 |             return (right_offset..right_offset, right_offset..right_offset);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:200:14
[INFO] [stdout]     |
[INFO] [stdout] 200 |             (right_offset..self.capacity, 0..left_offset)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:200:43
[INFO] [stdout]     |
[INFO] [stdout] 200 |             (right_offset..self.capacity, 0..left_offset)
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:206:14
[INFO] [stdout]     |
[INFO] [stdout] 206 |             (right_offset..left_offset, 0..0)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:206:41
[INFO] [stdout]     |
[INFO] [stdout] 206 |             (right_offset..left_offset, 0..0)
[INFO] [stdout]     |                                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:275:22
[INFO] [stdout]     |
[INFO] [stdout] 275 |             for _ in 0..self.width {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:287:18
[INFO] [stdout]     |
[INFO] [stdout] 287 |         for _ in 0..inner_start {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:290:18
[INFO] [stdout]     |
[INFO] [stdout] 290 |         for _ in inner_start..inner_end {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/ring.rs:293:18
[INFO] [stdout]     |
[INFO] [stdout] 293 |         for _ in inner_end..self.width {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::io_impls::*`
[INFO] [stdout]    --> src/nonblocking.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 | pub use self::io_impls::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeBounds` trait bound in public function
[INFO] [stdout]   --> src/region.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |         R: RangeBounds<usize>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-W range-bounds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeBounds` trait bound in public function
[INFO] [stdout]    --> src/region.rs:240:12
[INFO] [stdout]     |
[INFO] [stdout] 240 |         R: RangeBounds<usize>,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeBounds` trait bound in public function
[INFO] [stdout]    --> src/region.rs:251:12
[INFO] [stdout]     |
[INFO] [stdout] 251 |         R: RangeBounds<usize>,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]    --> src/storage/mod.rs:114:36
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn slice_mut(&mut self, range: Range<usize>) -> &mut [T] {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D explicit-range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]    --> src/storage/mod.rs:125:28
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn slice(&self, range: Range<usize>) -> &[T] {
[INFO] [stdout]     |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]    --> src/storage/mod.rs:143:49
[INFO] [stdout]     |
[INFO] [stdout] 143 |     unsafe fn slice_mut_unchecked(&self, range: Range<usize>) -> &mut [T] {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mini-io-queue` (lib) due to 4 previous errors; 22 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf38b9ac89646dbe540ad59911fc59e0c7d5ff6277ec6c98e79e248dede5723f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf38b9ac89646dbe540ad59911fc59e0c7d5ff6277ec6c98e79e248dede5723f", kill_on_drop: false }`
[INFO] [stdout] bf38b9ac89646dbe540ad59911fc59e0c7d5ff6277ec6c98e79e248dede5723f
