[INFO] cloning repository https://github.com/jcmorrow/hex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcmorrow/hex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcmorrow%2Fhex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcmorrow%2Fhex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccfef8a394c7d83ab7c62cfd97e2599fa6e3dffe
[INFO] checking jcmorrow/hex against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcmorrow%2Fhex" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jcmorrow/hex
[INFO] finished tweaking git repo https://github.com/jcmorrow/hex
[INFO] tweaked toml for git repo https://github.com/jcmorrow/hex written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jcmorrow/hex on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jcmorrow/hex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded noise v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e9baec21645fc0515db2171c16fb4e76c21be362f5e7fe56571f6fcde70d922
[INFO] running `Command { std: "docker" "start" "-a" "6e9baec21645fc0515db2171c16fb4e76c21be362f5e7fe56571f6fcde70d922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e9baec21645fc0515db2171c16fb4e76c21be362f5e7fe56571f6fcde70d922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9baec21645fc0515db2171c16fb4e76c21be362f5e7fe56571f6fcde70d922", kill_on_drop: false }`
[INFO] [stdout] 6e9baec21645fc0515db2171c16fb4e76c21be362f5e7fe56571f6fcde70d922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d48c1999076d5312302ab5505d11a9730bb976ad856b698f6d8c3802f4bee421
[INFO] running `Command { std: "docker" "start" "-a" "d48c1999076d5312302ab5505d11a9730bb976ad856b698f6d8c3802f4bee421", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking num_cpus v1.11.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking noise v0.5.1
[INFO] [stderr]     Checking hex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/hex_map.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |               return HexInfo::rand();
[INFO] [stdout]    |               ---------------------- any code following this expression is unreachable
[INFO] [stdout] 38 | /             let ancestor2 = self.info(Hex::new(
[INFO] [stdout] 39 | |                 closer_to_zero(closer_to_zero(hex.q)),
[INFO] [stdout] 40 | |                 closer_to_zero(closer_to_zero(hex.r)),
[INFO] [stdout] 41 | |             ));
[INFO] [stdout]    | |_______________^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/hex_map.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |               return HexInfo::rand();
[INFO] [stdout]    |               ---------------------- any code following this expression is unreachable
[INFO] [stdout] 38 | /             let ancestor2 = self.info(Hex::new(
[INFO] [stdout] 39 | |                 closer_to_zero(closer_to_zero(hex.q)),
[INFO] [stdout] 40 | |                 closer_to_zero(closer_to_zero(hex.r)),
[INFO] [stdout] 41 | |             ));
[INFO] [stdout]    | |_______________^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ancestor`
[INFO] [stdout]   --> src/hex_map.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let ancestor = self.info(Hex::new(closer_to_zero(hex.q), closer_to_zero(hex.r)));
[INFO] [stdout]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ancestor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ancestor`
[INFO] [stdout]   --> src/hex_map.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let ancestor = self.info(Hex::new(closer_to_zero(hex.q), closer_to_zero(hex.r)));
[INFO] [stdout]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ancestor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/layout.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut rng = rand::thread_rng();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/layout.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut rng = rand::thread_rng();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/layout.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut rng = rand::thread_rng();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/layout.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut rng = rand::thread_rng();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.26s
[INFO] [stdout] warning: constant `HEX_DIRECTIONS` is never used
[INFO] [stdout]   --> src/hex.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 | const HEX_DIRECTIONS: [Hex; 6] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `f0`, `f1`, `f2`, and `f3` are never read
[INFO] [stdout]   --> src/layout.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Orientation {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 18 |     pub f0: f64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 19 |     pub f1: f64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 20 |     pub f2: f64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 21 |     pub f3: f64,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Orientation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fuzzy_pixel_to_hex` is never used
[INFO] [stdout]   --> src/layout.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Layout {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn fuzzy_pixel_to_hex(self, p: Point) -> FractionalHex {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HEX_DIRECTIONS` is never used
[INFO] [stdout]   --> src/hex.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 | const HEX_DIRECTIONS: [Hex; 6] = [
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `f0`, `f1`, `f2`, and `f3` are never read
[INFO] [stdout]   --> src/layout.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Orientation {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 18 |     pub f0: f64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 19 |     pub f1: f64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 20 |     pub f2: f64,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 21 |     pub f3: f64,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Orientation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fuzzy_pixel_to_hex` is never used
[INFO] [stdout]   --> src/layout.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Layout {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn fuzzy_pixel_to_hex(self, p: Point) -> FractionalHex {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d48c1999076d5312302ab5505d11a9730bb976ad856b698f6d8c3802f4bee421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48c1999076d5312302ab5505d11a9730bb976ad856b698f6d8c3802f4bee421", kill_on_drop: false }`
[INFO] [stdout] d48c1999076d5312302ab5505d11a9730bb976ad856b698f6d8c3802f4bee421