[INFO] cloning repository https://github.com/wagnerf42/grouille
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wagnerf42/grouille" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagnerf42%2Fgrouille", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagnerf42%2Fgrouille'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3650dfe57192a1a72c39b2d5d0e11c224882dfdc
[INFO] testing wagnerf42/grouille against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwagnerf42%2Fgrouille" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wagnerf42/grouille on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wagnerf42/grouille
[INFO] finished tweaking git repo https://github.com/wagnerf42/grouille
[INFO] tweaked toml for git repo https://github.com/wagnerf42/grouille written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/wagnerf42/grouille already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d73f6a9f18c745ff77cd3a44b00b39315b35cdf8c92ec1c91b6a788bad82291
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6d73f6a9f18c745ff77cd3a44b00b39315b35cdf8c92ec1c91b6a788bad82291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d73f6a9f18c745ff77cd3a44b00b39315b35cdf8c92ec1c91b6a788bad82291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d73f6a9f18c745ff77cd3a44b00b39315b35cdf8c92ec1c91b6a788bad82291", kill_on_drop: false }`
[INFO] [stdout] 6d73f6a9f18c745ff77cd3a44b00b39315b35cdf8c92ec1c91b6a788bad82291
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64023a0d62b72856b31612b99532aec5f8c8cb2ba2909edaf1d3295eacedb47f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "64023a0d62b72856b31612b99532aec5f8c8cb2ba2909edaf1d3295eacedb47f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.2.0
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling streaming-iterator v0.1.4
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling rand v0.5.0
[INFO] [stderr]    Compiling grouille v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `empty`
[INFO] [stdout]  --> src/intersections.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::{empty, once, repeat};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/overlap.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |       unimplemented!("TODO: we cannot call remove_overlaps here");
[INFO] [stdout]    |       ------------------------------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 52 |       // because these segments are ORIENTED
[INFO] [stdout] 53 | /     remaining_paths.into_iter().chain(
[INFO] [stdout] 54 | |         remove_overlaps(elementary_segments)
[INFO] [stdout] 55 | |             .into_iter()
[INFO] [stdout] 56 | |             .map(|s| ElementaryPath::Segment(s)),
[INFO] [stdout] 57 | |     )
[INFO] [stdout]    | |_____^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/slice.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     unimplemented!("we need to go on with heaven and hell");
[INFO] [stdout]    |     -------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 28 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]   --> src/overlap.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |         for (i, p) in [1, -1].into_iter().zip(segment.ordered_points().iter()) {
[INFO] [stdout]    |                               ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/intersections.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     mem::replace(&mut intersections[i1], Some(Vec::new()));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/intersections.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |                     mem::replace(&mut intersections[i2], Some(Vec::new()));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.01s
[INFO] running `Command { std: "docker" "inspect" "64023a0d62b72856b31612b99532aec5f8c8cb2ba2909edaf1d3295eacedb47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64023a0d62b72856b31612b99532aec5f8c8cb2ba2909edaf1d3295eacedb47f", kill_on_drop: false }`
[INFO] [stdout] 64023a0d62b72856b31612b99532aec5f8c8cb2ba2909edaf1d3295eacedb47f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b13694b4030db032a84ec5ebb2f373832c344f4bb11476d4c966384c4fbaa80f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b13694b4030db032a84ec5ebb2f373832c344f4bb11476d4c966384c4fbaa80f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stdout] warning: unused import: `empty`
[INFO] [stdout]  --> src/intersections.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::{empty, once, repeat};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/overlap.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |       unimplemented!("TODO: we cannot call remove_overlaps here");
[INFO] [stdout]    |       ------------------------------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 52 |       // because these segments are ORIENTED
[INFO] [stdout] 53 | /     remaining_paths.into_iter().chain(
[INFO] [stdout] 54 | |         remove_overlaps(elementary_segments)
[INFO] [stdout] 55 | |             .into_iter()
[INFO] [stdout] 56 | |             .map(|s| ElementaryPath::Segment(s)),
[INFO] [stdout] 57 | |     )
[INFO] [stdout]    | |_____^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/slice.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     unimplemented!("we need to go on with heaven and hell");
[INFO] [stdout]    |     -------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 28 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]   --> src/overlap.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |         for (i, p) in [1, -1].into_iter().zip(segment.ordered_points().iter()) {
[INFO] [stdout]    |                               ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/intersections.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     mem::replace(&mut intersections[i1], Some(Vec::new()));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/intersections.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |                     mem::replace(&mut intersections[i2], Some(Vec::new()));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling itertools-num v0.1.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling criterion-plot v0.2.3
[INFO] [stderr]    Compiling criterion-stats v0.2.3
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling simplelog v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling serde_json v1.0.20
[INFO] [stderr]    Compiling handlebars v0.31.0
[INFO] [stderr]    Compiling criterion v0.2.3
[INFO] [stderr]    Compiling grouille v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0271]: type mismatch resolving `<&Vec<grouille::Segment> as IntoIterator>::Item == grouille::Segment`
[INFO] [stdout]   --> examples/overlap.rs:35:30
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let remaining_segments = remove_overlaps(&segments);
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^ expected struct `grouille::Segment`, found reference
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/overlap.rs:6:40
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub fn remove_overlaps<S: IntoIterator<Item = Segment>>(segments: S) -> Vec<Segment> {
[INFO] [stdout]    |                                        -------------- required by this bound in `remove_overlaps`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `grouille::Segment`
[INFO] [stdout]            found reference `&grouille::Segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grouille`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> examples/clique.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Quadrant`
[INFO] [stdout]  --> examples/offsetter.rs:6:37
[INFO] [stdout]   |
[INFO] [stdout] 6 | use grouille::{HoledPolygon, Point, Quadrant};
[INFO] [stdout]   |                                     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<&Vec<grouille::Segment> as IntoIterator>::Item == grouille::Segment`
[INFO] [stdout]   --> examples/classify.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let remaining_segments = remove_overlaps(&slice);
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^ expected struct `grouille::Segment`, found reference
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/overlap.rs:6:40
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub fn remove_overlaps<S: IntoIterator<Item = Segment>>(segments: S) -> Vec<Segment> {
[INFO] [stdout]    |                                        -------------- required by this bound in `remove_overlaps`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `grouille::Segment`
[INFO] [stdout]            found reference `&grouille::Segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `empty`
[INFO] [stdout]  --> src/intersections.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::{empty, once, repeat};
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/overlap.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |       unimplemented!("TODO: we cannot call remove_overlaps here");
[INFO] [stdout]    |       ------------------------------------------------------------ any code following this expression is unreachable
[INFO] [stdout] 52 |       // because these segments are ORIENTED
[INFO] [stdout] 53 | /     remaining_paths.into_iter().chain(
[INFO] [stdout] 54 | |         remove_overlaps(elementary_segments)
[INFO] [stdout] 55 | |             .into_iter()
[INFO] [stdout] 56 | |             .map(|s| ElementaryPath::Segment(s)),
[INFO] [stdout] 57 | |     )
[INFO] [stdout]    | |_____^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/slice.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     unimplemented!("we need to go on with heaven and hell");
[INFO] [stdout]    |     -------------------------------------------------------- any code following this expression is unreachable
[INFO] [stdout] 28 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]   --> src/overlap.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 |         for (i, p) in [1, -1].into_iter().zip(segment.ordered_points().iter()) {
[INFO] [stdout]    |                               ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/intersections.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     mem::replace(&mut intersections[i1], Some(Vec::new()));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/intersections.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |                     mem::replace(&mut intersections[i2], Some(Vec::new()));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b13694b4030db032a84ec5ebb2f373832c344f4bb11476d4c966384c4fbaa80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b13694b4030db032a84ec5ebb2f373832c344f4bb11476d4c966384c4fbaa80f", kill_on_drop: false }`
[INFO] [stdout] b13694b4030db032a84ec5ebb2f373832c344f4bb11476d4c966384c4fbaa80f
