[INFO] fetching crate grouper 0.4.0...
[INFO] checking grouper-0.4.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate grouper 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate grouper 0.4.0 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 grouper 0.4.0
[INFO] finished tweaking crates.io crate grouper 0.4.0
[INFO] tweaked toml for crates.io crate grouper 0.4.0 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] 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] 3ac141e2d1bed434bf8f73c22bb5698a94a039ffbac9f055dac4b7a4846a0b7c
[INFO] running `Command { std: "docker" "start" "-a" "3ac141e2d1bed434bf8f73c22bb5698a94a039ffbac9f055dac4b7a4846a0b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ac141e2d1bed434bf8f73c22bb5698a94a039ffbac9f055dac4b7a4846a0b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac141e2d1bed434bf8f73c22bb5698a94a039ffbac9f055dac4b7a4846a0b7c", kill_on_drop: false }`
[INFO] [stdout] 3ac141e2d1bed434bf8f73c22bb5698a94a039ffbac9f055dac4b7a4846a0b7c
[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] 3fd827e47f9b2cdae6ab14cf2e4531615eab962ae5f5e7c463e625fcac41d714
[INFO] running `Command { std: "docker" "start" "-a" "3fd827e47f9b2cdae6ab14cf2e4531615eab962ae5f5e7c463e625fcac41d714", kill_on_drop: false }`
[INFO] [stderr]     Checking grouper v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "3fd827e47f9b2cdae6ab14cf2e4531615eab962ae5f5e7c463e625fcac41d714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd827e47f9b2cdae6ab14cf2e4531615eab962ae5f5e7c463e625fcac41d714", kill_on_drop: false }`
[INFO] [stdout] 3fd827e47f9b2cdae6ab14cf2e4531615eab962ae5f5e7c463e625fcac41d714
[INFO] checking grouper-0.4.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate grouper 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate grouper 0.4.0 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 grouper 0.4.0
[INFO] finished tweaking crates.io crate grouper 0.4.0
[INFO] tweaked toml for crates.io crate grouper 0.4.0 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] bca4c709d7a16013464fdd1ca0351bce2d17d292437a3a801405b9eefe9863b5
[INFO] running `Command { std: "docker" "start" "-a" "bca4c709d7a16013464fdd1ca0351bce2d17d292437a3a801405b9eefe9863b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bca4c709d7a16013464fdd1ca0351bce2d17d292437a3a801405b9eefe9863b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca4c709d7a16013464fdd1ca0351bce2d17d292437a3a801405b9eefe9863b5", kill_on_drop: false }`
[INFO] [stdout] bca4c709d7a16013464fdd1ca0351bce2d17d292437a3a801405b9eefe9863b5
[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] 2610eac9934b9f3ba0f78b62906466b46e9c6842b4f33b02b633b4a5ccd042ea
[INFO] running `Command { std: "docker" "start" "-a" "2610eac9934b9f3ba0f78b62906466b46e9c6842b4f33b02b633b4a5ccd042ea", kill_on_drop: false }`
[INFO] [stderr]     Checking grouper v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]   --> src/lib.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 |         for _ in 0..=retries {
[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/lib.rs:120:44
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let mut indices: Vec<usize> = (0..self.items.len()).collect();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:123:42
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let r = checked_rng(rng, 0..indices.len())?;
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:143:38
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let r = checked_rng(rng, 0..untaken.len())?;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeInclusive` range syntax
[INFO] [stdout]   --> src/lib.rs:92:18
[INFO] [stdout]    |
[INFO] [stdout] 92 |         for _ in 0..=retries {
[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/lib.rs:120:44
[INFO] [stdout]     |
[INFO] [stdout] 120 |             let mut indices: Vec<usize> = (0..self.items.len()).collect();
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:123:42
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let r = checked_rng(rng, 0..indices.len())?;
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:143:38
[INFO] [stdout]     |
[INFO] [stdout] 143 |             let r = checked_rng(rng, 0..untaken.len())?;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:284:38
[INFO] [stdout]     |
[INFO] [stdout] 284 |         assert_eq!(checked_rng(&rng, 0..1).unwrap(), 0);
[INFO] [stdout]     |                                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:291:31
[INFO] [stdout]     |
[INFO] [stdout] 291 |             checked_rng(&rng, 0..1).unwrap_err(),
[INFO] [stdout]     |                               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/lib.rs:292:35
[INFO] [stdout]     |
[INFO] [stdout] 292 |             Error::OutOfBoundsRng(0..1, usize::MAX)
[INFO] [stdout]     |                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: explicit usage of `Range` type in public enum definition
[INFO] [stdout]   --> src/lib.rs:53:20
[INFO] [stdout]    |
[INFO] [stdout] 53 |     OutOfBoundsRng(Range<usize>, usize),
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D explicit-range`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grouper` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2610eac9934b9f3ba0f78b62906466b46e9c6842b4f33b02b633b4a5ccd042ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2610eac9934b9f3ba0f78b62906466b46e9c6842b4f33b02b633b4a5ccd042ea", kill_on_drop: false }`
[INFO] [stdout] 2610eac9934b9f3ba0f78b62906466b46e9c6842b4f33b02b633b4a5ccd042ea
