[INFO] fetching crate num-irrational 0.3.0...
[INFO] checking num-irrational-0.3.0 against master#c9af9c1dc85a55e309345030ff9cb7ea247953fa for pr-151146
[INFO] extracting crate num-irrational 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate num-irrational 0.3.0
[INFO] finished tweaking crates.io crate num-irrational 0.3.0
[INFO] tweaked toml for crates.io crate num-irrational 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate num-irrational 0.3.0 on toolchain c9af9c1dc85a55e309345030ff9cb7ea247953fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13f96ec32ec235a9518bfd218f662c7ada9055e1fcf86ce8b290bcea9f55087e
[INFO] running `Command { std: "docker" "start" "-a" "13f96ec32ec235a9518bfd218f662c7ada9055e1fcf86ce8b290bcea9f55087e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13f96ec32ec235a9518bfd218f662c7ada9055e1fcf86ce8b290bcea9f55087e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13f96ec32ec235a9518bfd218f662c7ada9055e1fcf86ce8b290bcea9f55087e", kill_on_drop: false }`
[INFO] [stdout] 13f96ec32ec235a9518bfd218f662c7ada9055e1fcf86ce8b290bcea9f55087e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f26ae2cdfe047829bd0acaf7e5173e4fe27816552597f7fc8af6b1b644e4ad46
[INFO] running `Command { std: "docker" "start" "-a" "f26ae2cdfe047829bd0acaf7e5173e4fe27816552597f7fc8af6b1b644e4ad46", kill_on_drop: false }`
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num-irrational v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/cont_frac/mod.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub use general::*;
[INFO] [stdout]    |         ---------- but the name `Convergents` in the type namespace is also re-exported here
[INFO] [stdout] 27 | pub use infinite::*;
[INFO] [stdout] 28 | pub use simple::*;
[INFO] [stdout]    |         ^^^^^^^^^ the name `Convergents` in the type namespace is first re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/cont_frac/mod.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub use general::*;
[INFO] [stdout]    |         ---------- but the name `Convergents` in the type namespace is also re-exported here
[INFO] [stdout] 27 | pub use infinite::*;
[INFO] [stdout] 28 | pub use simple::*;
[INFO] [stdout]    |         ^^^^^^^^^ the name `Convergents` in the type namespace is first re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/cont_frac/infinite.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn take_periodic<U>(self, count: usize) -> ContinuedFraction<U> {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/cont_frac/simple.rs:621:21
[INFO] [stdout]     |
[INFO] [stdout] 621 |         fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/quadratic/integer.rs:335:13
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn unit(d: T) -> Self {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take_periodic` is never used
[INFO] [stdout]   --> src/cont_frac/infinite.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | / impl<I: Iterator<Item = T>, T: Integer + NumRef + Clone> InfiniteContinuedFraction<I>
[INFO] [stdout] 37 | | where
[INFO] [stdout] 38 | |     for<'r> &'r T: RefNum<T>,
[INFO] [stdout]    | |_____________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86 |       fn take_periodic<U>(self, count: usize) -> ContinuedFraction<U> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ParseContinuedFraction` is never used
[INFO] [stdout]    --> src/cont_frac/simple.rs:816:7
[INFO] [stdout]     |
[INFO] [stdout] 816 | trait ParseContinuedFraction {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unit` is never used
[INFO] [stdout]    --> src/quadratic/integer.rs:335:8
[INFO] [stdout]     |
[INFO] [stdout] 242 | / impl<T: QuadraticBase> QuadraticInt<T>
[INFO] [stdout] 243 | | where
[INFO] [stdout] 244 | |     for<'r> &'r T: RefNum<T>,
[INFO] [stdout]     | |_____________________________- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 335 |       fn unit(d: T) -> Self {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ceil` and `round` are never used
[INFO] [stdout]    --> src/quadratic/surd.rs:626:8
[INFO] [stdout]     |
[INFO] [stdout] 289 | / impl<T: QuadraticBase> QuadraticSurd<T>
[INFO] [stdout] 290 | | where
[INFO] [stdout] 291 | |     for<'r> &'r T: RefNum<T>,
[INFO] [stdout]     | |_____________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 626 |       fn ceil(self) -> Self { unimplemented!() }
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 629 |       fn round(self) -> Self { unimplemented!() }
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cont_frac/simple.rs:355:19
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn coeffs(&self) -> Coefficients<T> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn coeffs(&self) -> Coefficients<'_, T> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cont_frac/simple.rs:365:24
[INFO] [stdout]     |
[INFO] [stdout] 365 |     pub fn generalized(&self) -> GeneralCoefficients<Coefficients<T>> {
[INFO] [stdout]     |                        ^^^^^                         ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 365 |     pub fn generalized(&self) -> GeneralCoefficients<Coefficients<'_, T>> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cont_frac/simple.rs:374:26
[INFO] [stdout]     |
[INFO] [stdout] 374 |     pub fn coeffs_signed(&self) -> SignedCoefficients<Coefficients<T>> {
[INFO] [stdout]     |                          ^^^^^                        ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 374 |     pub fn coeffs_signed(&self) -> SignedCoefficients<Coefficients<'_, T>> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cont_frac/simple.rs:384:21
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn expanded(&self) -> InfiniteContinuedFraction<SignedCoefficients<Coefficients<T>>> {
[INFO] [stdout]     |                     ^^^^^ the lifetime is elided here                      ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn expanded(&self) -> InfiniteContinuedFraction<SignedCoefficients<Coefficients<'_, T>>> {
[INFO] [stdout]     |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cont_frac/simple.rs:396:24
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn convergents(&self) -> Convergents<T> {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn convergents(&self) -> Convergents<'_, T> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]   --> src/cont_frac/infinite.rs:86:31
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn take_periodic<U>(self, count: usize) -> ContinuedFraction<U> {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/cont_frac/simple.rs:621:21
[INFO] [stdout]     |
[INFO] [stdout] 621 |         fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/quadratic/integer.rs:335:13
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn unit(d: T) -> Self {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take_periodic` is never used
[INFO] [stdout]   --> src/cont_frac/infinite.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | / impl<I: Iterator<Item = T>, T: Integer + NumRef + Clone> InfiniteContinuedFraction<I>
[INFO] [stdout] 37 | | where
[INFO] [stdout] 38 | |     for<'r> &'r T: RefNum<T>,
[INFO] [stdout]    | |_____________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86 |       fn take_periodic<U>(self, count: usize) -> ContinuedFraction<U> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ParseContinuedFraction` is never used
[INFO] [stdout]    --> src/cont_frac/simple.rs:816:7
[INFO] [stdout]     |
[INFO] [stdout] 816 | trait ParseContinuedFraction {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unit` is never used
[INFO] [stdout]    --> src/quadratic/integer.rs:335:8
[INFO] [stdout]     |
[INFO] [stdout] 242 | / impl<T: QuadraticBase> QuadraticInt<T>
[INFO] [stdout] 243 | | where
[INFO] [stdout] 244 | |     for<'r> &'r T: RefNum<T>,
[INFO] [stdout]     | |_____________________________- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 335 |       fn unit(d: T) -> Self {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ceil` and `round` are never used
[INFO] [stdout]    --> src/quadratic/surd.rs:626:8
[INFO] [stdout]     |
[INFO] [stdout] 289 | / impl<T: QuadraticBase> QuadraticSurd<T>
[INFO] [stdout] 290 | | where
[INFO] [stdout] 291 | |     for<'r> &'r T: RefNum<T>,
[INFO] [stdout]     | |_____________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 626 |       fn ceil(self) -> Self { unimplemented!() }
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 629 |       fn round(self) -> Self { unimplemented!() }
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cont_frac/simple.rs:355:19
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn coeffs(&self) -> Coefficients<T> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 355 |     pub fn coeffs(&self) -> Coefficients<'_, T> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cont_frac/simple.rs:365:24
[INFO] [stdout]     |
[INFO] [stdout] 365 |     pub fn generalized(&self) -> GeneralCoefficients<Coefficients<T>> {
[INFO] [stdout]     |                        ^^^^^                         ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 365 |     pub fn generalized(&self) -> GeneralCoefficients<Coefficients<'_, T>> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cont_frac/simple.rs:374:26
[INFO] [stdout]     |
[INFO] [stdout] 374 |     pub fn coeffs_signed(&self) -> SignedCoefficients<Coefficients<T>> {
[INFO] [stdout]     |                          ^^^^^                        ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 374 |     pub fn coeffs_signed(&self) -> SignedCoefficients<Coefficients<'_, T>> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cont_frac/simple.rs:384:21
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn expanded(&self) -> InfiniteContinuedFraction<SignedCoefficients<Coefficients<T>>> {
[INFO] [stdout]     |                     ^^^^^ the lifetime is elided here                      ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn expanded(&self) -> InfiniteContinuedFraction<SignedCoefficients<Coefficients<'_, T>>> {
[INFO] [stdout]     |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cont_frac/simple.rs:396:24
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn convergents(&self) -> Convergents<T> {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn convergents(&self) -> Convergents<'_, T> {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "f26ae2cdfe047829bd0acaf7e5173e4fe27816552597f7fc8af6b1b644e4ad46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26ae2cdfe047829bd0acaf7e5173e4fe27816552597f7fc8af6b1b644e4ad46", kill_on_drop: false }`
[INFO] [stdout] f26ae2cdfe047829bd0acaf7e5173e4fe27816552597f7fc8af6b1b644e4ad46