[INFO] fetching crate rc-slice2 0.4.1...
[INFO] checking rc-slice2-0.4.1 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate rc-slice2 0.4.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rc-slice2 0.4.1 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 rc-slice2 0.4.1
[INFO] finished tweaking crates.io crate rc-slice2 0.4.1
[INFO] tweaked toml for crates.io crate rc-slice2 0.4.1 written to /workspace/builds/worker-6-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d8d39f6b88eee548d0de3dc72d7178290a7428f1a2c8c0b64546adbe22106946
[INFO] running `Command { std: "docker" "start" "-a" "d8d39f6b88eee548d0de3dc72d7178290a7428f1a2c8c0b64546adbe22106946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8d39f6b88eee548d0de3dc72d7178290a7428f1a2c8c0b64546adbe22106946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d39f6b88eee548d0de3dc72d7178290a7428f1a2c8c0b64546adbe22106946", kill_on_drop: false }`
[INFO] [stdout] d8d39f6b88eee548d0de3dc72d7178290a7428f1a2c8c0b64546adbe22106946
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 04f524572ae01eeb104ab0a5ca0c9d2e947bb2a787120369c75942c58f58fcaf
[INFO] running `Command { std: "docker" "start" "-a" "04f524572ae01eeb104ab0a5ca0c9d2e947bb2a787120369c75942c58f58fcaf", kill_on_drop: false }`
[INFO] [stderr]     Checking rc-slice2 v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "04f524572ae01eeb104ab0a5ca0c9d2e947bb2a787120369c75942c58f58fcaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f524572ae01eeb104ab0a5ca0c9d2e947bb2a787120369c75942c58f58fcaf", kill_on_drop: false }`
[INFO] [stdout] 04f524572ae01eeb104ab0a5ca0c9d2e947bb2a787120369c75942c58f58fcaf
[INFO] checking rc-slice2-0.4.1 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate rc-slice2 0.4.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate rc-slice2 0.4.1 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 rc-slice2 0.4.1
[INFO] finished tweaking crates.io crate rc-slice2 0.4.1
[INFO] tweaked toml for crates.io crate rc-slice2 0.4.1 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 14ce08daec2be1a92a16dca023a50400c813e931b6eb1699d5c0bab176e887fc
[INFO] running `Command { std: "docker" "start" "-a" "14ce08daec2be1a92a16dca023a50400c813e931b6eb1699d5c0bab176e887fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14ce08daec2be1a92a16dca023a50400c813e931b6eb1699d5c0bab176e887fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ce08daec2be1a92a16dca023a50400c813e931b6eb1699d5c0bab176e887fc", kill_on_drop: false }`
[INFO] [stdout] 14ce08daec2be1a92a16dca023a50400c813e931b6eb1699d5c0bab176e887fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 471f34d762b6ca4ef198f75f908439eb70787f5e647bd2aa46409a396f964e4e
[INFO] running `Command { std: "docker" "start" "-a" "471f34d762b6ca4ef198f75f908439eb70787f5e647bd2aa46409a396f964e4e", kill_on_drop: false }`
[INFO] [stderr]     Checking rc-slice2 v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:148:43
[INFO] [stdout]     |
[INFO] [stdout] 148 |             ArcSlice::new(&it.underlying, it.start..real_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/arc.rs:149:43
[INFO] [stdout]     |
[INFO] [stdout] 149 |             ArcSlice::new(&it.underlying, real_mid..it.end),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |         it.start..it.end
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:354:42
[INFO] [stdout]     |
[INFO] [stdout] 354 |             let shed = it.underlying.get(it.start..cut)?;
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:404:38
[INFO] [stdout]     |
[INFO] [stdout] 404 |         let shed = it.underlying.get(it.start..cut).unwrap();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:449:42
[INFO] [stdout]     |
[INFO] [stdout] 449 |             let shed = it.underlying.get(cut..it.end)?;
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:498:38
[INFO] [stdout]     |
[INFO] [stdout] 498 |         let shed = it.underlying.get(cut..it.end).unwrap();
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:539:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |         start..end
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:586:32
[INFO] [stdout]     |
[INFO] [stdout] 586 |             .map(|s| s.get_mut(start..end))
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:673:78
[INFO] [stdout]     |
[INFO] [stdout] 673 |                 if let Some(new_range) = container.shrink_container_to_range(it.start..it.end) {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:701:29
[INFO] [stdout]     |
[INFO] [stdout] 701 |         self.underlying.get(self.start..self.end).unwrap()
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:148:42
[INFO] [stdout]     |
[INFO] [stdout] 148 |             RcSlice::new(&it.underlying, it.start..real_mid),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:149:42
[INFO] [stdout]     |
[INFO] [stdout] 149 |             RcSlice::new(&it.underlying, real_mid..it.end),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         it.start..it.end
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:355:42
[INFO] [stdout]     |
[INFO] [stdout] 355 |             let shed = it.underlying.get(it.start..cut)?;
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:405:38
[INFO] [stdout]     |
[INFO] [stdout] 405 |         let shed = it.underlying.get(it.start..cut).unwrap();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:450:42
[INFO] [stdout]     |
[INFO] [stdout] 450 |             let shed = it.underlying.get(cut..it.end)?;
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:499:38
[INFO] [stdout]     |
[INFO] [stdout] 499 |         let shed = it.underlying.get(cut..it.end).unwrap();
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:538:9
[INFO] [stdout]     |
[INFO] [stdout] 538 |         start..end
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:585:32
[INFO] [stdout]     |
[INFO] [stdout] 585 |             .map(|s| s.get_mut(start..end))
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:718:78
[INFO] [stdout]     |
[INFO] [stdout] 718 |                 if let Some(new_range) = container.shrink_container_to_range(it.start..it.end) {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:766:29
[INFO] [stdout]     |
[INFO] [stdout] 766 |         self.underlying.get(self.start..self.end).unwrap()
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:227:14
[INFO] [stdout]     |
[INFO] [stdout] 227 |         Some(0..Self::len(self))
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:148:43
[INFO] [stdout]     |
[INFO] [stdout] 148 |             ArcSlice::new(&it.underlying, it.start..real_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/arc.rs:149:43
[INFO] [stdout]     |
[INFO] [stdout] 149 |             ArcSlice::new(&it.underlying, real_mid..it.end),
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |         it.start..it.end
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:354:42
[INFO] [stdout]     |
[INFO] [stdout] 354 |             let shed = it.underlying.get(it.start..cut)?;
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:404:38
[INFO] [stdout]     |
[INFO] [stdout] 404 |         let shed = it.underlying.get(it.start..cut).unwrap();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:449:42
[INFO] [stdout]     |
[INFO] [stdout] 449 |             let shed = it.underlying.get(cut..it.end)?;
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:498:38
[INFO] [stdout]     |
[INFO] [stdout] 498 |         let shed = it.underlying.get(cut..it.end).unwrap();
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:539:9
[INFO] [stdout]     |
[INFO] [stdout] 539 |         start..end
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:586:32
[INFO] [stdout]     |
[INFO] [stdout] 586 |             .map(|s| s.get_mut(start..end))
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:673:78
[INFO] [stdout]     |
[INFO] [stdout] 673 |                 if let Some(new_range) = container.shrink_container_to_range(it.start..it.end) {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/arc.rs:701:29
[INFO] [stdout]     |
[INFO] [stdout] 701 |         self.underlying.get(self.start..self.end).unwrap()
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:148:42
[INFO] [stdout]     |
[INFO] [stdout] 148 |             RcSlice::new(&it.underlying, it.start..real_mid),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:149:42
[INFO] [stdout]     |
[INFO] [stdout] 149 |             RcSlice::new(&it.underlying, real_mid..it.end),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 |         it.start..it.end
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:355:42
[INFO] [stdout]     |
[INFO] [stdout] 355 |             let shed = it.underlying.get(it.start..cut)?;
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:405:38
[INFO] [stdout]     |
[INFO] [stdout] 405 |         let shed = it.underlying.get(it.start..cut).unwrap();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:450:42
[INFO] [stdout]     |
[INFO] [stdout] 450 |             let shed = it.underlying.get(cut..it.end)?;
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:499:38
[INFO] [stdout]     |
[INFO] [stdout] 499 |         let shed = it.underlying.get(cut..it.end).unwrap();
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:538:9
[INFO] [stdout]     |
[INFO] [stdout] 538 |         start..end
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:585:32
[INFO] [stdout]     |
[INFO] [stdout] 585 |             .map(|s| s.get_mut(start..end))
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:718:78
[INFO] [stdout]     |
[INFO] [stdout] 718 |                 if let Some(new_range) = container.shrink_container_to_range(it.start..it.end) {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:738:52
[INFO] [stdout]     |
[INFO] [stdout] 738 |     let buffer: Rc<alloc::vec::Vec<u8>> = Rc::new((0..10).into_iter().collect());
[INFO] [stdout]     |                                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:739:35
[INFO] [stdout]     |
[INFO] [stdout] 739 |     let slice = Rcs::new(&buffer, 3..8);
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/rc.rs:743:36
[INFO] [stdout]     |
[INFO] [stdout] 743 |     assert_eq!(*Rcs::index(&slice, 1..), [4, 5, 6, 7]);
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/rc.rs:744:36
[INFO] [stdout]     |
[INFO] [stdout] 744 |     assert_eq!(*Rcs::index(&slice, 8..), []);
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/rc.rs:745:36
[INFO] [stdout]     |
[INFO] [stdout] 745 |     assert_eq!(*Rcs::index(&slice, 5..), []);
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:748:36
[INFO] [stdout]     |
[INFO] [stdout] 748 |     assert_eq!(*Rcs::index(&slice, 3..8), [6, 7]);
[INFO] [stdout]     |                                    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/rc.rs:766:29
[INFO] [stdout]     |
[INFO] [stdout] 766 |         self.underlying.get(self.start..self.end).unwrap()
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:160:35
[INFO] [stdout]     |
[INFO] [stdout] 160 |     assert_eq!(*Rcs::new(&buffer, 1..4), [4, 6, 8]);
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/lib.rs:162:35
[INFO] [stdout]     |
[INFO] [stdout] 162 |     assert_eq!(*Rcs::new(&buffer, 0..=2), [2, 4, 6]);
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/lib.rs:163:35
[INFO] [stdout]     |
[INFO] [stdout] 163 |     assert_eq!(*Rcs::new(&buffer, 10..), []);
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:194:35
[INFO] [stdout]     |
[INFO] [stdout] 194 |     assert_eq!(*Rcs::new(&buffer, 1..4), [4, 6, 8]);
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/lib.rs:196:35
[INFO] [stdout]     |
[INFO] [stdout] 196 |     assert_eq!(*Rcs::new(&buffer, 0..=2), [2, 4, 6]);
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/lib.rs:197:35
[INFO] [stdout]     |
[INFO] [stdout] 197 |     assert_eq!(*Rcs::new(&buffer, 10..), []);
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:227:14
[INFO] [stdout]     |
[INFO] [stdout] 227 |         Some(0..Self::len(self))
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:239:35
[INFO] [stdout]     |
[INFO] [stdout] 239 |     assert_eq!(*Rcs::new(&buffer, 1..4), [4, 6, 8]);
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]    --> src/lib.rs:241:35
[INFO] [stdout]     |
[INFO] [stdout] 241 |     assert_eq!(*Rcs::new(&buffer, 0..=2), [2, 4, 6]);
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]    --> src/lib.rs:242:35
[INFO] [stdout]     |
[INFO] [stdout] 242 |     assert_eq!(*Rcs::new(&buffer, 10..), []);
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:244:39
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let mut slice = Rcs::new(&buffer, 1..4);
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]    --> src/lib.rs:140:26
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn get(&self, range: Range<usize>) -> Option<&[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/lib.rs:144:34
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn get_mut(&mut self, range: Range<usize>) -> Option<&mut [T]> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]    --> src/lib.rs:148:58
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn shrink_container_to_range(&mut self, _keep_range: Range<usize>) -> Option<Range<usize>> {
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]    --> src/lib.rs:174:26
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn get(&self, range: Range<usize>) -> Option<&[Self::Item]> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]    --> src/lib.rs:178:34
[INFO] [stdout]     |
[INFO] [stdout] 178 |     fn get_mut(&mut self, range: Range<usize>) -> Option<&mut [Self::Item]> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]    --> src/lib.rs:182:58
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn shrink_container_to_range(&mut self, _keep_range: Range<usize>) -> Option<Range<usize>> {
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]    --> src/lib.rs:208:26
[INFO] [stdout]     |
[INFO] [stdout] 208 |     fn get(&self, range: Range<usize>) -> Option<&[T]> {
[INFO] [stdout]     |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]    --> src/lib.rs:212:34
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn get_mut(&mut self, range: Range<usize>) -> Option<&mut [T]> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public function
[INFO] [stdout]    --> src/lib.rs:216:57
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn shrink_container_to_range(&mut self, keep_range: Range<usize>) -> Option<Range<usize>> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeBounds` trait bound in public function
[INFO] [stdout]   --> src/arc.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn new<R: RangeBounds<usize>>(underlying: &Arc<T>, range: R) -> Self {
[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/arc.rs:525:28
[INFO] [stdout]     |
[INFO] [stdout] 525 |     pub fn change_range<R: RangeBounds<usize>>(it: &mut Self, new_range: R) -> Range<usize> {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeBounds` trait bound in public function
[INFO] [stdout]   --> src/rc.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn new<R: RangeBounds<usize>>(underlying: &Rc<T>, range: R) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeBounds` trait bound in public function
[INFO] [stdout]    --> src/rc.rs:524:28
[INFO] [stdout]     |
[INFO] [stdout] 524 |     pub fn change_range<R: RangeBounds<usize>>(it: &mut Self, new_range: R) -> Range<usize> {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeBounds` trait bound in public function
[INFO] [stdout]    --> src/rc.rs:649:21
[INFO] [stdout]     |
[INFO] [stdout] 649 |     pub fn index<R: RangeBounds<usize>>(it: &Self, range: R) -> Self {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rc-slice2` (lib) due to 10 previous errors; 28 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "471f34d762b6ca4ef198f75f908439eb70787f5e647bd2aa46409a396f964e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471f34d762b6ca4ef198f75f908439eb70787f5e647bd2aa46409a396f964e4e", kill_on_drop: false }`
[INFO] [stdout] 471f34d762b6ca4ef198f75f908439eb70787f5e647bd2aa46409a396f964e4e
