[INFO] fetching crate bound-stl 0.1.2...
[INFO] checking bound-stl-0.1.2 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate bound-stl 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate bound-stl 0.1.2 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bound-stl 0.1.2
[INFO] finished tweaking crates.io crate bound-stl 0.1.2
[INFO] tweaked toml for crates.io crate bound-stl 0.1.2 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" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d5fc887b3ce6c84618963810e68a9b016d295622cb6babb64d7572d155c0a7d
[INFO] running `Command { std: "docker" "start" "-a" "2d5fc887b3ce6c84618963810e68a9b016d295622cb6babb64d7572d155c0a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d5fc887b3ce6c84618963810e68a9b016d295622cb6babb64d7572d155c0a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5fc887b3ce6c84618963810e68a9b016d295622cb6babb64d7572d155c0a7d", kill_on_drop: false }`
[INFO] [stdout] 2d5fc887b3ce6c84618963810e68a9b016d295622cb6babb64d7572d155c0a7d
[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" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 942ccbadebeb757a0c82dcd811ed4931915be8329a92b5c6e8fda12262564e42
[INFO] running `Command { std: "docker" "start" "-a" "942ccbadebeb757a0c82dcd811ed4931915be8329a92b5c6e8fda12262564e42", kill_on_drop: false }`
[INFO] [stderr]     Checking bound-stl v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `bound_stl`
[INFO] [stdout]    --> src/lib.rs:357:9
[INFO] [stdout]     |
[INFO] [stdout] 357 |     use bound_stl::{LowerBound, UpperBound};
[INFO] [stdout]     |         ^^^^^^^^^ use of undeclared crate or module `bound_stl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]    --> src/lib.rs:362:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<i32>` here
[INFO] [stdout] ...
[INFO] [stdout] 362 |         assert_eq!(v.lower_bound(&0), Err(0));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LowerBound` which provides `lower_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::LowerBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `lower_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 362 |         assert_eq!(v.lower_bound_by(&0), Err(0));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]    --> src/lib.rs:363:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<i32>` here
[INFO] [stdout] ...
[INFO] [stdout] 363 |         assert_eq!(v.lower_bound(&1), Err(0));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LowerBound` which provides `lower_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::LowerBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `lower_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 363 |         assert_eq!(v.lower_bound_by(&1), Err(0));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:366:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 366 |         assert_eq!(v.lower_bound(&0), Ok(0));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LowerBound` which provides `lower_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::LowerBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `lower_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 366 |         assert_eq!(v.lower_bound_by(&0), Ok(0));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:367:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 367 |         assert_eq!(v.lower_bound(&1), Ok(0));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LowerBound` which provides `lower_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::LowerBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `lower_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 367 |         assert_eq!(v.lower_bound_by(&1), Ok(0));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:368:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 368 |         assert_eq!(v.lower_bound(&2), Ok(1));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LowerBound` which provides `lower_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::LowerBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `lower_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 368 |         assert_eq!(v.lower_bound_by(&2), Ok(1));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:369:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 369 |         assert_eq!(v.lower_bound(&3), Ok(2));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LowerBound` which provides `lower_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::LowerBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `lower_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 369 |         assert_eq!(v.lower_bound_by(&3), Ok(2));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:370:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 370 |         assert_eq!(v.lower_bound(&4), Ok(2));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LowerBound` which provides `lower_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::LowerBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `lower_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 370 |         assert_eq!(v.lower_bound_by(&4), Ok(2));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:371:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 371 |         assert_eq!(v.lower_bound(&5), Ok(3));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LowerBound` which provides `lower_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::LowerBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `lower_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 371 |         assert_eq!(v.lower_bound_by(&5), Ok(3));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:372:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 372 |         assert_eq!(v.lower_bound(&6), Ok(5));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LowerBound` which provides `lower_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::LowerBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `lower_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 372 |         assert_eq!(v.lower_bound_by(&6), Ok(5));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:373:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 373 |         assert_eq!(v.lower_bound(&7), Err(7));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LowerBound` which provides `lower_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::LowerBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `lower_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 373 |         assert_eq!(v.lower_bound_by(&7), Err(7));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:374:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 374 |         assert_eq!(v.lower_bound(&8), Err(7));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LowerBound` which provides `lower_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::LowerBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `lower_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 374 |         assert_eq!(v.lower_bound_by(&8), Err(7));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:375:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 375 |         assert_eq!(v.lower_bound(&9), Err(7));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LowerBound` which provides `lower_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::LowerBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `lower_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 375 |         assert_eq!(v.lower_bound_by(&9), Err(7));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `upper_bound` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]    --> src/lib.rs:381:22
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn upper_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<i32>` here
[INFO] [stdout] ...
[INFO] [stdout] 381 |         assert_eq!(v.upper_bound(&0), Err(0));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UpperBound` which provides `upper_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::UpperBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `upper_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 381 |         assert_eq!(v.upper_bound_by(&0), Err(0));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `upper_bound` found for struct `Vec<i32>` in the current scope
[INFO] [stdout]    --> src/lib.rs:382:22
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn upper_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<i32>` here
[INFO] [stdout] ...
[INFO] [stdout] 382 |         assert_eq!(v.upper_bound(&1), Err(0));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UpperBound` which provides `upper_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::UpperBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `upper_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 382 |         assert_eq!(v.upper_bound_by(&1), Err(0));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `upper_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:385:22
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn upper_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 385 |         assert_eq!(v.upper_bound(&0), Ok(1));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UpperBound` which provides `upper_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::UpperBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `upper_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 385 |         assert_eq!(v.upper_bound_by(&0), Ok(1));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `upper_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:386:22
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn upper_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 386 |         assert_eq!(v.upper_bound(&1), Ok(2));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UpperBound` which provides `upper_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::UpperBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `upper_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 386 |         assert_eq!(v.upper_bound_by(&1), Ok(2));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `upper_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:387:22
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn upper_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 387 |         assert_eq!(v.upper_bound(&2), Ok(3));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UpperBound` which provides `upper_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::UpperBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `upper_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 387 |         assert_eq!(v.upper_bound_by(&2), Ok(3));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `upper_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:388:22
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn upper_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 388 |         assert_eq!(v.upper_bound(&3), Ok(3));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UpperBound` which provides `upper_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::UpperBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `upper_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 388 |         assert_eq!(v.upper_bound_by(&3), Ok(3));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `upper_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:389:22
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn upper_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 389 |         assert_eq!(v.upper_bound(&4), Ok(4));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UpperBound` which provides `upper_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::UpperBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `upper_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 389 |         assert_eq!(v.upper_bound_by(&4), Ok(4));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `upper_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:390:22
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn upper_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 390 |         assert_eq!(v.upper_bound(&5), Ok(6));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UpperBound` which provides `upper_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::UpperBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `upper_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 390 |         assert_eq!(v.upper_bound_by(&5), Ok(6));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `upper_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:391:22
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn upper_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 391 |         assert_eq!(v.upper_bound(&6), Err(8));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UpperBound` which provides `upper_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::UpperBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `upper_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 391 |         assert_eq!(v.upper_bound_by(&6), Err(8));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `upper_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:392:22
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn upper_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 392 |         assert_eq!(v.upper_bound(&7), Err(8));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UpperBound` which provides `upper_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::UpperBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `upper_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 392 |         assert_eq!(v.upper_bound_by(&7), Err(8));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `upper_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:393:22
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn upper_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 393 |         assert_eq!(v.upper_bound(&8), Err(8));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UpperBound` which provides `upper_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::UpperBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `upper_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 393 |         assert_eq!(v.upper_bound_by(&8), Err(8));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `upper_bound` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]    --> src/lib.rs:394:22
[INFO] [stdout]     |
[INFO] [stdout] 28  |     fn upper_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `Vec<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 394 |         assert_eq!(v.upper_bound(&9), Err(8));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `UpperBound` which provides `upper_bound` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 357 +     use crate::UpperBound;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `upper_bound_by` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 394 |         assert_eq!(v.upper_bound_by(&9), Err(8));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'btree_cursors'
[INFO] [stdout]    --> src/lib.rs:401:22
[INFO] [stdout]     |
[INFO] [stdout] 401 |         assert_eq!(v.lower_bound(&0), Err(0));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #107540 <https://github.com/rust-lang/rust/issues/107540> for more information
[INFO] [stdout]     = help: add `#![feature(btree_cursors)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-09-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:401:34
[INFO] [stdout]     |
[INFO] [stdout] 401 |         assert_eq!(v.lower_bound(&0), Err(0));
[INFO] [stdout]     |                      ----------- ^^ expected `Bound<&i32>`, found `&{integer}`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Bound<&i32>`
[INFO] [stdout]             found reference `&{integer}`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:1221:12
[INFO] [stdout] help: try wrapping the expression in a variant of `Bound`
[INFO] [stdout]     |
[INFO] [stdout] 401 |         assert_eq!(v.lower_bound(std::collections::Bound::Included(&0)), Err(0));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 401 |         assert_eq!(v.lower_bound(std::collections::Bound::Excluded(&0)), Err(0));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::collections::btree_set::Cursor<'_, i32>`
[INFO] [stdout]    --> src/lib.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |         assert_eq!(v.lower_bound(&0), Err(0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         std::collections::btree_set::Cursor<'_, i32>
[INFO] [stdout]     |         Result<_, {integer}>
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `std::collections::btree_set::Cursor<'_, i32>` doesn't implement `PartialEq<Result<_, {integer}>>`
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:2001:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: not implement `PartialEq<Result<_, {integer}>>`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'btree_cursors'
[INFO] [stdout]    --> src/lib.rs:402:22
[INFO] [stdout]     |
[INFO] [stdout] 402 |         assert_eq!(v.lower_bound(&1), Err(0));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #107540 <https://github.com/rust-lang/rust/issues/107540> for more information
[INFO] [stdout]     = help: add `#![feature(btree_cursors)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-09-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:402:34
[INFO] [stdout]     |
[INFO] [stdout] 402 |         assert_eq!(v.lower_bound(&1), Err(0));
[INFO] [stdout]     |                      ----------- ^^ expected `Bound<&i32>`, found `&{integer}`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Bound<&i32>`
[INFO] [stdout]             found reference `&{integer}`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:1221:12
[INFO] [stdout] help: try wrapping the expression in a variant of `Bound`
[INFO] [stdout]     |
[INFO] [stdout] 402 |         assert_eq!(v.lower_bound(std::collections::Bound::Included(&1)), Err(0));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 402 |         assert_eq!(v.lower_bound(std::collections::Bound::Excluded(&1)), Err(0));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::collections::btree_set::Cursor<'_, i32>`
[INFO] [stdout]    --> src/lib.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |         assert_eq!(v.lower_bound(&1), Err(0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         std::collections::btree_set::Cursor<'_, i32>
[INFO] [stdout]     |         Result<_, {integer}>
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `std::collections::btree_set::Cursor<'_, i32>` doesn't implement `PartialEq<Result<_, {integer}>>`
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:2001:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: not implement `PartialEq<Result<_, {integer}>>`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'btree_cursors'
[INFO] [stdout]    --> src/lib.rs:406:22
[INFO] [stdout]     |
[INFO] [stdout] 406 |         assert_eq!(v.lower_bound(&0), Ok(0));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #107540 <https://github.com/rust-lang/rust/issues/107540> for more information
[INFO] [stdout]     = help: add `#![feature(btree_cursors)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-09-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:406:34
[INFO] [stdout]     |
[INFO] [stdout] 406 |         assert_eq!(v.lower_bound(&0), Ok(0));
[INFO] [stdout]     |                      ----------- ^^ expected `Bound<&{integer}>`, found `&{integer}`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Bound<&{integer}>`
[INFO] [stdout]             found reference `&{integer}`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:1221:12
[INFO] [stdout] help: try wrapping the expression in a variant of `Bound`
[INFO] [stdout]     |
[INFO] [stdout] 406 |         assert_eq!(v.lower_bound(std::collections::Bound::Included(&0)), Ok(0));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 406 |         assert_eq!(v.lower_bound(std::collections::Bound::Excluded(&0)), Ok(0));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::collections::btree_set::Cursor<'_, {integer}>`
[INFO] [stdout]    --> src/lib.rs:406:9
[INFO] [stdout]     |
[INFO] [stdout] 406 |         assert_eq!(v.lower_bound(&0), Ok(0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         std::collections::btree_set::Cursor<'_, {integer}>
[INFO] [stdout]     |         Result<{integer}, _>
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `std::collections::btree_set::Cursor<'_, {integer}>` doesn't implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:2001:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: not implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'btree_cursors'
[INFO] [stdout]    --> src/lib.rs:407:22
[INFO] [stdout]     |
[INFO] [stdout] 407 |         assert_eq!(v.lower_bound(&1), Ok(0));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #107540 <https://github.com/rust-lang/rust/issues/107540> for more information
[INFO] [stdout]     = help: add `#![feature(btree_cursors)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-09-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:407:34
[INFO] [stdout]     |
[INFO] [stdout] 407 |         assert_eq!(v.lower_bound(&1), Ok(0));
[INFO] [stdout]     |                      ----------- ^^ expected `Bound<&{integer}>`, found `&{integer}`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Bound<&{integer}>`
[INFO] [stdout]             found reference `&{integer}`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:1221:12
[INFO] [stdout] help: try wrapping the expression in a variant of `Bound`
[INFO] [stdout]     |
[INFO] [stdout] 407 |         assert_eq!(v.lower_bound(std::collections::Bound::Included(&1)), Ok(0));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 407 |         assert_eq!(v.lower_bound(std::collections::Bound::Excluded(&1)), Ok(0));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::collections::btree_set::Cursor<'_, {integer}>`
[INFO] [stdout]    --> src/lib.rs:407:9
[INFO] [stdout]     |
[INFO] [stdout] 407 |         assert_eq!(v.lower_bound(&1), Ok(0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         std::collections::btree_set::Cursor<'_, {integer}>
[INFO] [stdout]     |         Result<{integer}, _>
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `std::collections::btree_set::Cursor<'_, {integer}>` doesn't implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:2001:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: not implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'btree_cursors'
[INFO] [stdout]    --> src/lib.rs:408:22
[INFO] [stdout]     |
[INFO] [stdout] 408 |         assert_eq!(v.lower_bound(&2), Ok(1));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #107540 <https://github.com/rust-lang/rust/issues/107540> for more information
[INFO] [stdout]     = help: add `#![feature(btree_cursors)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-09-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:408:34
[INFO] [stdout]     |
[INFO] [stdout] 408 |         assert_eq!(v.lower_bound(&2), Ok(1));
[INFO] [stdout]     |                      ----------- ^^ expected `Bound<&{integer}>`, found `&{integer}`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Bound<&{integer}>`
[INFO] [stdout]             found reference `&{integer}`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:1221:12
[INFO] [stdout] help: try wrapping the expression in a variant of `Bound`
[INFO] [stdout]     |
[INFO] [stdout] 408 |         assert_eq!(v.lower_bound(std::collections::Bound::Included(&2)), Ok(1));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 408 |         assert_eq!(v.lower_bound(std::collections::Bound::Excluded(&2)), Ok(1));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::collections::btree_set::Cursor<'_, {integer}>`
[INFO] [stdout]    --> src/lib.rs:408:9
[INFO] [stdout]     |
[INFO] [stdout] 408 |         assert_eq!(v.lower_bound(&2), Ok(1));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         std::collections::btree_set::Cursor<'_, {integer}>
[INFO] [stdout]     |         Result<{integer}, _>
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `std::collections::btree_set::Cursor<'_, {integer}>` doesn't implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:2001:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: not implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'btree_cursors'
[INFO] [stdout]    --> src/lib.rs:409:22
[INFO] [stdout]     |
[INFO] [stdout] 409 |         assert_eq!(v.lower_bound(&3), Ok(2));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #107540 <https://github.com/rust-lang/rust/issues/107540> for more information
[INFO] [stdout]     = help: add `#![feature(btree_cursors)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-09-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:409:34
[INFO] [stdout]     |
[INFO] [stdout] 409 |         assert_eq!(v.lower_bound(&3), Ok(2));
[INFO] [stdout]     |                      ----------- ^^ expected `Bound<&{integer}>`, found `&{integer}`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Bound<&{integer}>`
[INFO] [stdout]             found reference `&{integer}`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:1221:12
[INFO] [stdout] help: try wrapping the expression in a variant of `Bound`
[INFO] [stdout]     |
[INFO] [stdout] 409 |         assert_eq!(v.lower_bound(std::collections::Bound::Included(&3)), Ok(2));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 409 |         assert_eq!(v.lower_bound(std::collections::Bound::Excluded(&3)), Ok(2));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::collections::btree_set::Cursor<'_, {integer}>`
[INFO] [stdout]    --> src/lib.rs:409:9
[INFO] [stdout]     |
[INFO] [stdout] 409 |         assert_eq!(v.lower_bound(&3), Ok(2));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         std::collections::btree_set::Cursor<'_, {integer}>
[INFO] [stdout]     |         Result<{integer}, _>
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `std::collections::btree_set::Cursor<'_, {integer}>` doesn't implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:2001:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: not implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'btree_cursors'
[INFO] [stdout]    --> src/lib.rs:410:22
[INFO] [stdout]     |
[INFO] [stdout] 410 |         assert_eq!(v.lower_bound(&4), Ok(2));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #107540 <https://github.com/rust-lang/rust/issues/107540> for more information
[INFO] [stdout]     = help: add `#![feature(btree_cursors)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-09-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:410:34
[INFO] [stdout]     |
[INFO] [stdout] 410 |         assert_eq!(v.lower_bound(&4), Ok(2));
[INFO] [stdout]     |                      ----------- ^^ expected `Bound<&{integer}>`, found `&{integer}`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Bound<&{integer}>`
[INFO] [stdout]             found reference `&{integer}`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:1221:12
[INFO] [stdout] help: try wrapping the expression in a variant of `Bound`
[INFO] [stdout]     |
[INFO] [stdout] 410 |         assert_eq!(v.lower_bound(std::collections::Bound::Included(&4)), Ok(2));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 410 |         assert_eq!(v.lower_bound(std::collections::Bound::Excluded(&4)), Ok(2));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::collections::btree_set::Cursor<'_, {integer}>`
[INFO] [stdout]    --> src/lib.rs:410:9
[INFO] [stdout]     |
[INFO] [stdout] 410 |         assert_eq!(v.lower_bound(&4), Ok(2));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         std::collections::btree_set::Cursor<'_, {integer}>
[INFO] [stdout]     |         Result<{integer}, _>
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `std::collections::btree_set::Cursor<'_, {integer}>` doesn't implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:2001:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: not implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'btree_cursors'
[INFO] [stdout]    --> src/lib.rs:411:22
[INFO] [stdout]     |
[INFO] [stdout] 411 |         assert_eq!(v.lower_bound(&5), Ok(3));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #107540 <https://github.com/rust-lang/rust/issues/107540> for more information
[INFO] [stdout]     = help: add `#![feature(btree_cursors)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-09-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:411:34
[INFO] [stdout]     |
[INFO] [stdout] 411 |         assert_eq!(v.lower_bound(&5), Ok(3));
[INFO] [stdout]     |                      ----------- ^^ expected `Bound<&{integer}>`, found `&{integer}`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Bound<&{integer}>`
[INFO] [stdout]             found reference `&{integer}`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:1221:12
[INFO] [stdout] help: try wrapping the expression in a variant of `Bound`
[INFO] [stdout]     |
[INFO] [stdout] 411 |         assert_eq!(v.lower_bound(std::collections::Bound::Included(&5)), Ok(3));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 411 |         assert_eq!(v.lower_bound(std::collections::Bound::Excluded(&5)), Ok(3));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::collections::btree_set::Cursor<'_, {integer}>`
[INFO] [stdout]    --> src/lib.rs:411:9
[INFO] [stdout]     |
[INFO] [stdout] 411 |         assert_eq!(v.lower_bound(&5), Ok(3));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         std::collections::btree_set::Cursor<'_, {integer}>
[INFO] [stdout]     |         Result<{integer}, _>
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `std::collections::btree_set::Cursor<'_, {integer}>` doesn't implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:2001:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: not implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'btree_cursors'
[INFO] [stdout]    --> src/lib.rs:412:22
[INFO] [stdout]     |
[INFO] [stdout] 412 |         assert_eq!(v.lower_bound(&6), Ok(4));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #107540 <https://github.com/rust-lang/rust/issues/107540> for more information
[INFO] [stdout]     = help: add `#![feature(btree_cursors)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-09-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:412:34
[INFO] [stdout]     |
[INFO] [stdout] 412 |         assert_eq!(v.lower_bound(&6), Ok(4));
[INFO] [stdout]     |                      ----------- ^^ expected `Bound<&{integer}>`, found `&{integer}`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Bound<&{integer}>`
[INFO] [stdout]             found reference `&{integer}`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:1221:12
[INFO] [stdout] help: try wrapping the expression in a variant of `Bound`
[INFO] [stdout]     |
[INFO] [stdout] 412 |         assert_eq!(v.lower_bound(std::collections::Bound::Included(&6)), Ok(4));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 412 |         assert_eq!(v.lower_bound(std::collections::Bound::Excluded(&6)), Ok(4));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::collections::btree_set::Cursor<'_, {integer}>`
[INFO] [stdout]    --> src/lib.rs:412:9
[INFO] [stdout]     |
[INFO] [stdout] 412 |         assert_eq!(v.lower_bound(&6), Ok(4));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         std::collections::btree_set::Cursor<'_, {integer}>
[INFO] [stdout]     |         Result<{integer}, _>
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `std::collections::btree_set::Cursor<'_, {integer}>` doesn't implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:2001:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: not implement `PartialEq<Result<{integer}, _>>`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'btree_cursors'
[INFO] [stdout]    --> src/lib.rs:413:22
[INFO] [stdout]     |
[INFO] [stdout] 413 |         assert_eq!(v.lower_bound(&7), Err(5));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #107540 <https://github.com/rust-lang/rust/issues/107540> for more information
[INFO] [stdout]     = help: add `#![feature(btree_cursors)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-09-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:413:34
[INFO] [stdout]     |
[INFO] [stdout] 413 |         assert_eq!(v.lower_bound(&7), Err(5));
[INFO] [stdout]     |                      ----------- ^^ expected `Bound<&{integer}>`, found `&{integer}`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Bound<&{integer}>`
[INFO] [stdout]             found reference `&{integer}`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:1221:12
[INFO] [stdout] help: try wrapping the expression in a variant of `Bound`
[INFO] [stdout]     |
[INFO] [stdout] 413 |         assert_eq!(v.lower_bound(std::collections::Bound::Included(&7)), Err(5));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 413 |         assert_eq!(v.lower_bound(std::collections::Bound::Excluded(&7)), Err(5));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::collections::btree_set::Cursor<'_, {integer}>`
[INFO] [stdout]    --> src/lib.rs:413:9
[INFO] [stdout]     |
[INFO] [stdout] 413 |         assert_eq!(v.lower_bound(&7), Err(5));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         std::collections::btree_set::Cursor<'_, {integer}>
[INFO] [stdout]     |         Result<_, {integer}>
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `std::collections::btree_set::Cursor<'_, {integer}>` doesn't implement `PartialEq<Result<_, {integer}>>`
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:2001:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: not implement `PartialEq<Result<_, {integer}>>`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'btree_cursors'
[INFO] [stdout]    --> src/lib.rs:414:22
[INFO] [stdout]     |
[INFO] [stdout] 414 |         assert_eq!(v.lower_bound(&8), Err(5));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #107540 <https://github.com/rust-lang/rust/issues/107540> for more information
[INFO] [stdout]     = help: add `#![feature(btree_cursors)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-09-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:414:34
[INFO] [stdout]     |
[INFO] [stdout] 414 |         assert_eq!(v.lower_bound(&8), Err(5));
[INFO] [stdout]     |                      ----------- ^^ expected `Bound<&{integer}>`, found `&{integer}`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Bound<&{integer}>`
[INFO] [stdout]             found reference `&{integer}`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:1221:12
[INFO] [stdout] help: try wrapping the expression in a variant of `Bound`
[INFO] [stdout]     |
[INFO] [stdout] 414 |         assert_eq!(v.lower_bound(std::collections::Bound::Included(&8)), Err(5));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 414 |         assert_eq!(v.lower_bound(std::collections::Bound::Excluded(&8)), Err(5));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::collections::btree_set::Cursor<'_, {integer}>`
[INFO] [stdout]    --> src/lib.rs:414:9
[INFO] [stdout]     |
[INFO] [stdout] 414 |         assert_eq!(v.lower_bound(&8), Err(5));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         std::collections::btree_set::Cursor<'_, {integer}>
[INFO] [stdout]     |         Result<_, {integer}>
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `std::collections::btree_set::Cursor<'_, {integer}>` doesn't implement `PartialEq<Result<_, {integer}>>`
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:2001:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: not implement `PartialEq<Result<_, {integer}>>`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'btree_cursors'
[INFO] [stdout]    --> src/lib.rs:415:22
[INFO] [stdout]     |
[INFO] [stdout] 415 |         assert_eq!(v.lower_bound(&9), Err(5));
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #107540 <https://github.com/rust-lang/rust/issues/107540> for more information
[INFO] [stdout]     = help: add `#![feature(btree_cursors)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-09-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:415:34
[INFO] [stdout]     |
[INFO] [stdout] 415 |         assert_eq!(v.lower_bound(&9), Err(5));
[INFO] [stdout]     |                      ----------- ^^ expected `Bound<&{integer}>`, found `&{integer}`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      arguments to this method are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Bound<&{integer}>`
[INFO] [stdout]             found reference `&{integer}`
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:1221:12
[INFO] [stdout] help: try wrapping the expression in a variant of `Bound`
[INFO] [stdout]     |
[INFO] [stdout] 415 |         assert_eq!(v.lower_bound(std::collections::Bound::Included(&9)), Err(5));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 415 |         assert_eq!(v.lower_bound(std::collections::Bound::Excluded(&9)), Err(5));
[INFO] [stdout]     |                                  ++++++++++++++++++++++++++++++++++  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `std::collections::btree_set::Cursor<'_, {integer}>`
[INFO] [stdout]    --> src/lib.rs:415:9
[INFO] [stdout]     |
[INFO] [stdout] 415 |         assert_eq!(v.lower_bound(&9), Err(5));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         std::collections::btree_set::Cursor<'_, {integer}>
[INFO] [stdout]     |         Result<_, {integer}>
[INFO] [stdout]     |
[INFO] [stdout] note: the foreign item type `std::collections::btree_set::Cursor<'_, {integer}>` doesn't implement `PartialEq<Result<_, {integer}>>`
[INFO] [stdout]    --> /rustc/47af3d0de9d26c7deba4cfb203b710cc3f764e91/library/alloc/src/collections/btree/set.rs:2001:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: not implement `PartialEq<Result<_, {integer}>>`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 61 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0369, E0432, E0599, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bound-stl` (lib test) due to 62 previous errors
[INFO] running `Command { std: "docker" "inspect" "942ccbadebeb757a0c82dcd811ed4931915be8329a92b5c6e8fda12262564e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942ccbadebeb757a0c82dcd811ed4931915be8329a92b5c6e8fda12262564e42", kill_on_drop: false }`
[INFO] [stdout] 942ccbadebeb757a0c82dcd811ed4931915be8329a92b5c6e8fda12262564e42
