[INFO] fetching crate bound-stl 0.1.2...
[INFO] checking bound-stl-0.1.2 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate bound-stl 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate bound-stl 0.1.2 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac00ae5a8f631f4392e724211a6ffda8eb404aadff51f04c3f521806a4f86aef
[INFO] running `Command { std: "docker" "start" "-a" "ac00ae5a8f631f4392e724211a6ffda8eb404aadff51f04c3f521806a4f86aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac00ae5a8f631f4392e724211a6ffda8eb404aadff51f04c3f521806a4f86aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac00ae5a8f631f4392e724211a6ffda8eb404aadff51f04c3f521806a4f86aef", kill_on_drop: false }`
[INFO] [stdout] ac00ae5a8f631f4392e724211a6ffda8eb404aadff51f04c3f521806a4f86aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1dd4b7596fe86d57008fce067e878a94c59ae81992da571502d6e058100b332
[INFO] running `Command { std: "docker" "start" "-a" "e1dd4b7596fe86d57008fce067e878a94c59ae81992da571502d6e058100b332", 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[E0599]: no method named `lower_bound` found for struct `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:401:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<i32>` here
[INFO] [stdout] ...
[INFO] [stdout] 401 |         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] 401 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:402:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<i32>` here
[INFO] [stdout] ...
[INFO] [stdout] 402 |         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] 402 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:406:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 406 |         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] 406 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:407:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 407 |         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] 407 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:408:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 408 |         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] 408 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:409:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 409 |         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] 409 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:410:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 410 |         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] 410 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:411:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 411 |         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] 411 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:412:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 412 |         assert_eq!(v.lower_bound(&6), 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 `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] 412 |         assert_eq!(v.lower_bound_by(&6), Ok(4));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:413:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 413 |         assert_eq!(v.lower_bound(&7), Err(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] 413 |         assert_eq!(v.lower_bound_by(&7), Err(5));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:414:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 414 |         assert_eq!(v.lower_bound(&8), Err(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] 414 |         assert_eq!(v.lower_bound_by(&8), Err(5));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:415:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 415 |         assert_eq!(v.lower_bound(&9), Err(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] 415 |         assert_eq!(v.lower_bound_by(&9), Err(5));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 37 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bound-stl` (lib test) due to 38 previous errors
[INFO] running `Command { std: "docker" "inspect" "e1dd4b7596fe86d57008fce067e878a94c59ae81992da571502d6e058100b332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1dd4b7596fe86d57008fce067e878a94c59ae81992da571502d6e058100b332", kill_on_drop: false }`
[INFO] [stdout] e1dd4b7596fe86d57008fce067e878a94c59ae81992da571502d6e058100b332
[INFO] checking bound-stl-0.1.2 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[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 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28b659d50ed9b909efbe24d74fa2ebcef756e0d7db14ef7bf907b4815ea152a3
[INFO] running `Command { std: "docker" "start" "-a" "28b659d50ed9b909efbe24d74fa2ebcef756e0d7db14ef7bf907b4815ea152a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28b659d50ed9b909efbe24d74fa2ebcef756e0d7db14ef7bf907b4815ea152a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b659d50ed9b909efbe24d74fa2ebcef756e0d7db14ef7bf907b4815ea152a3", kill_on_drop: false }`
[INFO] [stdout] 28b659d50ed9b909efbe24d74fa2ebcef756e0d7db14ef7bf907b4815ea152a3
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44a8af3ea7c68aecc4bd6529331193cd663d26722143b8a8a3e7dae920534c8e
[INFO] running `Command { std: "docker" "start" "-a" "44a8af3ea7c68aecc4bd6529331193cd663d26722143b8a8a3e7dae920534c8e", 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[E0599]: no method named `lower_bound` found for struct `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:401:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<i32>` here
[INFO] [stdout] ...
[INFO] [stdout] 401 |         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] 401 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:402:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<i32>` here
[INFO] [stdout] ...
[INFO] [stdout] 402 |         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] 402 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:406:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 406 |         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] 406 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:407:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 407 |         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] 407 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:408:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 408 |         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] 408 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:409:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 409 |         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] 409 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:410:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 410 |         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] 410 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:411:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 411 |         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] 411 |         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 `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:412:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 412 |         assert_eq!(v.lower_bound(&6), 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 `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] 412 |         assert_eq!(v.lower_bound_by(&6), Ok(4));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:413:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 413 |         assert_eq!(v.lower_bound(&7), Err(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] 413 |         assert_eq!(v.lower_bound_by(&7), Err(5));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:414:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 414 |         assert_eq!(v.lower_bound(&8), Err(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] 414 |         assert_eq!(v.lower_bound_by(&8), Err(5));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `lower_bound` found for struct `std::collections::BTreeSet` in the current scope
[INFO] [stdout]    --> src/lib.rs:415:22
[INFO] [stdout]     |
[INFO] [stdout] 11  |     fn lower_bound(&self, x: &Self::Item) -> Result<usize, usize>;
[INFO] [stdout]     |        ----------- the method is available for `std::collections::BTreeSet<{integer}>` here
[INFO] [stdout] ...
[INFO] [stdout] 415 |         assert_eq!(v.lower_bound(&9), Err(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] 415 |         assert_eq!(v.lower_bound_by(&9), Err(5));
[INFO] [stdout]     |                      ~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 37 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bound-stl` (lib test) due to 38 previous errors
[INFO] running `Command { std: "docker" "inspect" "44a8af3ea7c68aecc4bd6529331193cd663d26722143b8a8a3e7dae920534c8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a8af3ea7c68aecc4bd6529331193cd663d26722143b8a8a3e7dae920534c8e", kill_on_drop: false }`
[INFO] [stdout] 44a8af3ea7c68aecc4bd6529331193cd663d26722143b8a8a3e7dae920534c8e
