[INFO] fetching crate bplustree 0.1.0...
[INFO] checking bplustree-0.1.0 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate bplustree 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate bplustree 0.1.0 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 bplustree 0.1.0
[INFO] finished tweaking crates.io crate bplustree 0.1.0
[INFO] tweaked toml for crates.io crate bplustree 0.1.0 written to /workspace/builds/worker-5-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 serial_test_derive v0.5.1
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7200862e68f6bb361413b953456634c5178d6a8c97a08bcd1c688671dff1b186
[INFO] running `Command { std: "docker" "start" "-a" "7200862e68f6bb361413b953456634c5178d6a8c97a08bcd1c688671dff1b186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7200862e68f6bb361413b953456634c5178d6a8c97a08bcd1c688671dff1b186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7200862e68f6bb361413b953456634c5178d6a8c97a08bcd1c688671dff1b186", kill_on_drop: false }`
[INFO] [stdout] 7200862e68f6bb361413b953456634c5178d6a8c97a08bcd1c688671dff1b186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0ec6545d2729a94054a9e303635c4c469f42dcfb12bb86fb4db7ee74bf9c42af
[INFO] running `Command { std: "docker" "start" "-a" "0ec6545d2729a94054a9e303635c4c469f42dcfb12bb86fb4db7ee74bf9c42af", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking bplustree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stdout] error[E0583]: file not found for module `bench`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub mod bench;
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `bench`, create file "src/bench.rs" or "src/bench/mod.rs"
[INFO] [stdout]    = note: if there is a `mod bench` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/iter.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Err(error::Error)
[INFO] [stdout]    |     --- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Err(())
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bplustree` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0ec6545d2729a94054a9e303635c4c469f42dcfb12bb86fb4db7ee74bf9c42af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec6545d2729a94054a9e303635c4c469f42dcfb12bb86fb4db7ee74bf9c42af", kill_on_drop: false }`
[INFO] [stdout] 0ec6545d2729a94054a9e303635c4c469f42dcfb12bb86fb4db7ee74bf9c42af
[INFO] checking bplustree-0.1.0 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate bplustree 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate bplustree 0.1.0 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 bplustree 0.1.0
[INFO] finished tweaking crates.io crate bplustree 0.1.0
[INFO] tweaked toml for crates.io crate bplustree 0.1.0 written to /workspace/builds/worker-5-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 19259b679e9c3fe62c1d252babff7958ff4549e7bf410eca27dd50a989975937
[INFO] running `Command { std: "docker" "start" "-a" "19259b679e9c3fe62c1d252babff7958ff4549e7bf410eca27dd50a989975937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19259b679e9c3fe62c1d252babff7958ff4549e7bf410eca27dd50a989975937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19259b679e9c3fe62c1d252babff7958ff4549e7bf410eca27dd50a989975937", kill_on_drop: false }`
[INFO] [stdout] 19259b679e9c3fe62c1d252babff7958ff4549e7bf410eca27dd50a989975937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f87d23ef118cc656192457d157aff3b65972b8b166bafdd4fcef7d5c7595f5f3
[INFO] running `Command { std: "docker" "start" "-a" "f87d23ef118cc656192457d157aff3b65972b8b166bafdd4fcef7d5c7595f5f3", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]     Checking bplustree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]     --> src/lib.rs:1680:43
[INFO] [stdout]      |
[INFO] [stdout] 1680 |         right.keys.extend(self.keys.drain((split_pos + 1) as usize..));
[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 `RangeFrom` range syntax
[INFO] [stdout]     --> src/lib.rs:1681:47
[INFO] [stdout]      |
[INFO] [stdout] 1681 |         right.values.extend(self.values.drain((split_pos + 1) as usize..));
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]     --> src/lib.rs:1878:43
[INFO] [stdout]      |
[INFO] [stdout] 1878 |         right.keys.extend(self.keys.drain((split_pos + 1) as usize..));
[INFO] [stdout]      |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]     --> src/lib.rs:1879:45
[INFO] [stdout]      |
[INFO] [stdout] 1879 |         right.edges.extend(self.edges.drain((split_pos + 1) as usize..));
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `bench`
[INFO] [stdout]   --> src/lib.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub mod bench;
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: to create the module `bench`, create file "src/bench.rs" or "src/bench/mod.rs"
[INFO] [stdout]    = note: if there is a `mod bench` elsewhere in the crate already, import it with `use crate::...` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/latch.rs:560:19
[INFO] [stdout]     |
[INFO] [stdout] 560 |         for _i in 0..4000000 {
[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/latch.rs:561:22
[INFO] [stdout]     |
[INFO] [stdout] 561 |             for j in 0..1000 {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/latch.rs:583:19
[INFO] [stdout]     |
[INFO] [stdout] 583 |         for _i in 0..n_readers {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/latch.rs:591:27
[INFO] [stdout]     |
[INFO] [stdout] 591 |                 for _i in 0..4000000 {
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/latch.rs:598:42
[INFO] [stdout]     |
[INFO] [stdout] 598 | ...                   for j in 0..1000 {
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/latch.rs:626:19
[INFO] [stdout]     |
[INFO] [stdout] 626 |         for _i in 0..n_writers {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/latch.rs:637:27
[INFO] [stdout]     |
[INFO] [stdout] 637 |                 for _i in 0..(seconds * freq as f64) as usize {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/latch.rs:672:19
[INFO] [stdout]     |
[INFO] [stdout] 672 |         for _i in 0..4000000 {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/latch.rs:673:22
[INFO] [stdout]     |
[INFO] [stdout] 673 |             for j in 0..1000 {
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/latch.rs:700:19
[INFO] [stdout]     |
[INFO] [stdout] 700 |         for _i in 0..n_readers {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/latch.rs:708:27
[INFO] [stdout]     |
[INFO] [stdout] 708 |                 for _i in 0..4000000 {
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/latch.rs:715:42
[INFO] [stdout]     |
[INFO] [stdout] 715 | ...                   for j in 0..1000 {
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/latch.rs:749:19
[INFO] [stdout]     |
[INFO] [stdout] 749 |         for _i in 0..n_writers {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]    --> src/latch.rs:760:27
[INFO] [stdout]     |
[INFO] [stdout] 760 |                 for _i in 0..(seconds * freq as f64) as usize {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/iter.rs:1714:18
[INFO] [stdout]      |
[INFO] [stdout] 1714 |         for i in 0..10000 {
[INFO] [stdout]      |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/iter.rs:1720:22
[INFO] [stdout]      |
[INFO] [stdout] 1720 |         for mut i in 0..10000 {
[INFO] [stdout]      |                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/iter.rs:1726:23
[INFO] [stdout]      |
[INFO] [stdout] 1726 |         for mut i in (0..10000).rev() {
[INFO] [stdout]      |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/iter.rs:1751:33
[INFO] [stdout]      |
[INFO] [stdout] 1751 |         let mut data: Vec<_> = (0..n).collect();
[INFO] [stdout]      |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/iter.rs:1757:18
[INFO] [stdout]      |
[INFO] [stdout] 1757 |         for i in 0..n {
[INFO] [stdout]      |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/iter.rs:1770:18
[INFO] [stdout]      |
[INFO] [stdout] 1770 |         for i in 0..n {
[INFO] [stdout]      |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/iter.rs:1780:18
[INFO] [stdout]      |
[INFO] [stdout] 1780 |         for i in 0..n {
[INFO] [stdout]      |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/iter.rs:1788:19
[INFO] [stdout]      |
[INFO] [stdout] 1788 |         for i in (0..n).rev() {
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/iter.rs:1813:18
[INFO] [stdout]      |
[INFO] [stdout] 1813 |         for i in 0..n {
[INFO] [stdout]      |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/iter.rs:1825:22
[INFO] [stdout]      |
[INFO] [stdout] 1825 |             for i in 0..n {
[INFO] [stdout]      |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `Range` range syntax
[INFO] [stdout]     --> src/iter.rs:1835:19
[INFO] [stdout]      |
[INFO] [stdout] 1835 |         for i in (0..n).rev() {
[INFO] [stdout]      |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]     --> src/lib.rs:1680:43
[INFO] [stdout]      |
[INFO] [stdout] 1680 |         right.keys.extend(self.keys.drain((split_pos + 1) as usize..));
[INFO] [stdout]      |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]     --> src/lib.rs:1681:47
[INFO] [stdout]      |
[INFO] [stdout] 1681 |         right.values.extend(self.values.drain((split_pos + 1) as usize..));
[INFO] [stdout]      |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]     --> src/lib.rs:1878:43
[INFO] [stdout]      |
[INFO] [stdout] 1878 |         right.keys.extend(self.keys.drain((split_pos + 1) as usize..));
[INFO] [stdout]      |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `RangeFrom` range syntax
[INFO] [stdout]     --> src/lib.rs:1879:45
[INFO] [stdout]      |
[INFO] [stdout] 1879 |         right.edges.extend(self.edges.drain((split_pos + 1) as usize..));
[INFO] [stdout]      |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/iter.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Err(error::Error)
[INFO] [stdout]    |     --- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Err(())
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bplustree` (lib test) due to 2 previous errors; 29 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f87d23ef118cc656192457d157aff3b65972b8b166bafdd4fcef7d5c7595f5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f87d23ef118cc656192457d157aff3b65972b8b166bafdd4fcef7d5c7595f5f3", kill_on_drop: false }`
[INFO] [stdout] f87d23ef118cc656192457d157aff3b65972b8b166bafdd4fcef7d5c7595f5f3
