[INFO] updating cached repository https://github.com/jcmorrow/hex
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccfef8a394c7d83ab7c62cfd97e2599fa6e3dffe
[INFO] testing jcmorrow/hex against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcmorrow%2Fhex" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcmorrow/hex on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jcmorrow/hex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb492d882f0cb831e6fe0f95019316d392308fd491f7890845178cff8d726d37
[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" "fb492d882f0cb831e6fe0f95019316d392308fd491f7890845178cff8d726d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb492d882f0cb831e6fe0f95019316d392308fd491f7890845178cff8d726d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb492d882f0cb831e6fe0f95019316d392308fd491f7890845178cff8d726d37", kill_on_drop: false }`
[INFO] [stdout] fb492d882f0cb831e6fe0f95019316d392308fd491f7890845178cff8d726d37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2ec098526ea354e73929c86d1567b10e00969aefd937995c75750facec62e38
[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" "b2ec098526ea354e73929c86d1567b10e00969aefd937995c75750facec62e38", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling noise v0.5.1
[INFO] [stderr]    Compiling 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)]` 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)]` 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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HEX_DIRECTIONS`
[INFO] [stdout]   --> src/hex.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | / const HEX_DIRECTIONS: [Hex; 6] = [
[INFO] [stdout] 47 | |     Hex { q: 1, r: 0, s: -1 },
[INFO] [stdout] 48 | |     Hex { q: 0, r: 1, s: -1 },
[INFO] [stdout] 49 | |     Hex { q: -1, r: 1, s: 0 },
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     Hex { q: 1, r: -1, s: 0 },
[INFO] [stdout] 53 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fuzzy_pixel_to_hex`
[INFO] [stdout]   --> src/layout.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn fuzzy_pixel_to_hex(self, p: Point) -> FractionalHex {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.48s
[INFO] running `Command { std: "docker" "inspect" "b2ec098526ea354e73929c86d1567b10e00969aefd937995c75750facec62e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ec098526ea354e73929c86d1567b10e00969aefd937995c75750facec62e38", kill_on_drop: false }`
[INFO] [stdout] b2ec098526ea354e73929c86d1567b10e00969aefd937995c75750facec62e38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60491f667cace8a2e40edf65ec6b7ef219fd971079483c4cae5c9d3213410dbc
[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" "60491f667cace8a2e40edf65ec6b7ef219fd971079483c4cae5c9d3213410dbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` 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)]` 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: 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HEX_DIRECTIONS`
[INFO] [stdout]   --> src/hex.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | / const HEX_DIRECTIONS: [Hex; 6] = [
[INFO] [stdout] 47 | |     Hex { q: 1, r: 0, s: -1 },
[INFO] [stdout] 48 | |     Hex { q: 0, r: 1, s: -1 },
[INFO] [stdout] 49 | |     Hex { q: -1, r: 1, s: 0 },
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     Hex { q: 1, r: -1, s: 0 },
[INFO] [stdout] 53 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fuzzy_pixel_to_hex`
[INFO] [stdout]   --> src/layout.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn fuzzy_pixel_to_hex(self, p: Point) -> FractionalHex {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "60491f667cace8a2e40edf65ec6b7ef219fd971079483c4cae5c9d3213410dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60491f667cace8a2e40edf65ec6b7ef219fd971079483c4cae5c9d3213410dbc", kill_on_drop: false }`
[INFO] [stdout] 60491f667cace8a2e40edf65ec6b7ef219fd971079483c4cae5c9d3213410dbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 67c11eaf9c5077a86ffe4a3edcfe6fda9343dc0001eec61c230f084f2a071836
[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" "67c11eaf9c5077a86ffe4a3edcfe6fda9343dc0001eec61c230f084f2a071836", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/hex_map.rs:38:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 37 |               return HexInfo::rand();
[INFO] [stdout] 
[INFO] [stderr]    |               ---------------------- any code following this expression is unreachable
[INFO] [stderr] 38 | /             let ancestor2 = self.info(Hex::new(
[INFO] [stderr] 39 | |                 closer_to_zero(closer_to_zero(hex.q)),
[INFO] [stderr] 40 | |                 closer_to_zero(closer_to_zero(hex.r)),
[INFO] [stderr] 41 | |             ));
[INFO] [stderr]    | |_______________^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ancestor`
[INFO] [stderr]   --> src/hex_map.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let ancestor = self.info(Hex::new(closer_to_zero(hex.q), closer_to_zero(hex.r)));
[INFO] [stderr]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ancestor`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/layout.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let mut rng = rand::thread_rng();
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/layout.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let mut rng = rand::thread_rng();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `HEX_DIRECTIONS`
[INFO] [stderr]   --> src/hex.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | / const HEX_DIRECTIONS: [Hex; 6] = [
[INFO] [stderr] 47 | |     Hex { q: 1, r: 0, s: -1 },
[INFO] [stderr] 48 | |     Hex { q: 0, r: 1, s: -1 },
[INFO] [stderr] 49 | |     Hex { q: -1, r: 1, s: 0 },
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |     Hex { q: 1, r: -1, s: 0 },
[INFO] [stderr] 53 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fuzzy_pixel_to_hex`
[INFO] [stderr]   --> src/layout.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn fuzzy_pixel_to_hex(self, p: Point) -> FractionalHex {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hex-f1fba4985e85d52d
[INFO] running `Command { std: "docker" "inspect" "67c11eaf9c5077a86ffe4a3edcfe6fda9343dc0001eec61c230f084f2a071836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c11eaf9c5077a86ffe4a3edcfe6fda9343dc0001eec61c230f084f2a071836", kill_on_drop: false }`
[INFO] [stdout] 67c11eaf9c5077a86ffe4a3edcfe6fda9343dc0001eec61c230f084f2a071836