[INFO] updating cached repository https://github.com/palmergs/rust-hex
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/palmergs/rust-hex
[INFO] [stderr]    1515206..a3c7eb0  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a3c7eb05f27215585b6331cfe1b5aea9f8e462ba
[INFO] checking palmergs/rust-hex against master#7f940ef5d91b53e889f111f27e00849f2f5ae4a2 for pr-72493
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpalmergs%2Frust-hex" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/palmergs/rust-hex on toolchain 7f940ef5d91b53e889f111f27e00849f2f5ae4a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/palmergs/rust-hex
[INFO] finished tweaking git repo https://github.com/palmergs/rust-hex
[INFO] tweaked toml for git repo https://github.com/palmergs/rust-hex written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/palmergs/rust-hex already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3bc800b6f4d6f7efd3f4aab1b428501b950edea67d6f5d3201f9bff5d554a6c5
[INFO] running `"docker" "start" "-a" "3bc800b6f4d6f7efd3f4aab1b428501b950edea67d6f5d3201f9bff5d554a6c5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]     Checking wasm-bindgen v0.2.63
[INFO] [stderr]     Checking rust-hex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `pointy`
[INFO] [stderr]    --> src/cube.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |         let pointy = Layout::build(&LAYOUT_POINTY, Point(100.0, 100.0), Point(0.0, 0.0));
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointy`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `flat`
[INFO] [stderr]    --> src/cube.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |         let flat = Layout::build(&LAYOUT_FLAT, Point(100.0, 100.0), Point(0.0, 0.0));
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_flat`
[INFO] [stderr] 
[INFO] [stderr] warning: private type `cube::FractionalHex` in public interface (error E0446)
[INFO] [stderr]    --> src/cube.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 | /     pub fn to_hex(&self, p: &Point) -> FractionalHex {
[INFO] [stderr] 126 | |         let m = self.orientation;
[INFO] [stderr] 127 | |         let q = m.b0 * p.0 + m.b1 * p.1;
[INFO] [stderr] 128 | |         let r = m.b2 * p.0 + m.b3 * p.1;
[INFO] [stderr] 129 | |         FractionalHex::build(q, r, -q - r)
[INFO] [stderr] 130 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `build`
[INFO] [stderr]  --> src/axial.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn build(q: i32, r: i32) -> Hex {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `HEX_DIRECTIONS`
[INFO] [stderr]   --> src/cube.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / static HEX_DIRECTIONS: [Hex; 6] = [
[INFO] [stderr] 21 | |     Hex { q: 1, r: 0, s: -1 },
[INFO] [stderr] 22 | |     Hex { q: 1, r: -1, s: 0 },
[INFO] [stderr] 23 | |     Hex { q: 0, r: -1, s: 1 },
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |     Hex { q: 0, r: 1, s: -1 },
[INFO] [stderr] 27 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `build`
[INFO] [stderr]   --> src/cube.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn build(q: i64, r: i64, s: i64) -> Hex {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/cube.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn add(&self, hex: &Hex) -> Hex {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `subtract`
[INFO] [stderr]   --> src/cube.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn subtract(&self, hex: &Hex) -> Hex {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `multiply`
[INFO] [stderr]   --> src/cube.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn multiply(&self, k: i64) -> Hex {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `distance_origin`
[INFO] [stderr]   --> src/cube.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn distance_origin(&self) -> i64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `distance`
[INFO] [stderr]   --> src/cube.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn distance(&self, hex: &Hex) -> i64 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `direction`
[INFO] [stderr]   --> src/cube.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn direction(dir: isize) -> &'static Hex {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `neighbor`
[INFO] [stderr]   --> src/cube.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn neighbor(&self, dir: isize) -> Hex {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `build`
[INFO] [stderr]   --> src/cube.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn build(q: f64, r: f64, s: f64) -> FractionalHex {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Layout`
[INFO] [stderr]    --> src/cube.rs:107:12
[INFO] [stderr]     |
[INFO] [stderr] 107 | pub struct Layout {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `build`
[INFO] [stderr]    --> src/cube.rs:114:12
[INFO] [stderr]     |
[INFO] [stderr] 114 |     pub fn build(orientation: &'static Orientation, size: Point, origin: Point) -> Layout {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_pixel`
[INFO] [stderr]    --> src/cube.rs:118:12
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn to_pixel(&self, h: &Hex) -> Point {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_hex`
[INFO] [stderr]    --> src/cube.rs:125:12
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn to_hex(&self, p: &Point) -> FractionalHex {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `polygon_corners`
[INFO] [stderr]    --> src/cube.rs:132:12
[INFO] [stderr]     |
[INFO] [stderr] 132 |     pub fn polygon_corners(&self, h: &Hex) -> Vec<Point> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hex_corner_offset`
[INFO] [stderr]    --> src/cube.rs:142:8
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn hex_corner_offset(&self, corner: usize) -> Point {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: private type `cube::FractionalHex` in public interface (error E0446)
[INFO] [stderr]    --> src/cube.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 | /     pub fn to_hex(&self, p: &Point) -> FractionalHex {
[INFO] [stderr] 126 | |         let m = self.orientation;
[INFO] [stderr] 127 | |         let q = m.b0 * p.0 + m.b1 * p.1;
[INFO] [stderr] 128 | |         let r = m.b2 * p.0 + m.b3 * p.1;
[INFO] [stderr] 129 | |         FractionalHex::build(q, r, -q - r)
[INFO] [stderr] 130 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `build`
[INFO] [stderr]  --> src/axial.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn build(q: i32, r: i32) -> Hex {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `build`
[INFO] [stderr]   --> src/cube.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn build(q: i64, r: i64, s: i64) -> Hex {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/cube.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn add(&self, hex: &Hex) -> Hex {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `subtract`
[INFO] [stderr]   --> src/cube.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn subtract(&self, hex: &Hex) -> Hex {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `multiply`
[INFO] [stderr]   --> src/cube.rs:43:12
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn multiply(&self, k: i64) -> Hex {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `distance_origin`
[INFO] [stderr]   --> src/cube.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn distance_origin(&self) -> i64 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `distance`
[INFO] [stderr]   --> src/cube.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn distance(&self, hex: &Hex) -> i64 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `neighbor`
[INFO] [stderr]   --> src/cube.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn neighbor(&self, dir: isize) -> Hex {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `build`
[INFO] [stderr]   --> src/cube.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn build(q: f64, r: f64, s: f64) -> FractionalHex {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `orientation`
[INFO] [stderr]    --> src/cube.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     orientation: &'static Orientation,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]    --> src/cube.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     size: Point,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `origin`
[INFO] [stderr]    --> src/cube.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     origin: Point,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_pixel`
[INFO] [stderr]    --> src/cube.rs:118:12
[INFO] [stderr]     |
[INFO] [stderr] 118 |     pub fn to_pixel(&self, h: &Hex) -> Point {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_hex`
[INFO] [stderr]    --> src/cube.rs:125:12
[INFO] [stderr]     |
[INFO] [stderr] 125 |     pub fn to_hex(&self, p: &Point) -> FractionalHex {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `polygon_corners`
[INFO] [stderr]    --> src/cube.rs:132:12
[INFO] [stderr]     |
[INFO] [stderr] 132 |     pub fn polygon_corners(&self, h: &Hex) -> Vec<Point> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `hex_corner_offset`
[INFO] [stderr]    --> src/cube.rs:142:8
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn hex_corner_offset(&self, corner: usize) -> Point {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.37s
[INFO] running `"docker" "inspect" "3bc800b6f4d6f7efd3f4aab1b428501b950edea67d6f5d3201f9bff5d554a6c5"`
[INFO] running `"docker" "rm" "-f" "3bc800b6f4d6f7efd3f4aab1b428501b950edea67d6f5d3201f9bff5d554a6c5"`
[INFO] [stdout] 3bc800b6f4d6f7efd3f4aab1b428501b950edea67d6f5d3201f9bff5d554a6c5