[INFO] cloning repository https://github.com/andygrn/flock [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andygrn/flock" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandygrn%2Fflock", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandygrn%2Fflock'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 88b50285043c1d832908068be18cf00c0a14d8cd [INFO] testing andygrn/flock against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandygrn%2Fflock" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andygrn/flock on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/andygrn/flock [INFO] finished tweaking git repo https://github.com/andygrn/flock [INFO] tweaked toml for git repo https://github.com/andygrn/flock written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/andygrn/flock already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3804e7c643ddd209be5f0ff6b531ba338a35846677ebb29e15128cbf1c5214c [INFO] running `Command { std: "docker" "start" "-a" "e3804e7c643ddd209be5f0ff6b531ba338a35846677ebb29e15128cbf1c5214c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3804e7c643ddd209be5f0ff6b531ba338a35846677ebb29e15128cbf1c5214c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3804e7c643ddd209be5f0ff6b531ba338a35846677ebb29e15128cbf1c5214c", kill_on_drop: false }` [INFO] [stdout] e3804e7c643ddd209be5f0ff6b531ba338a35846677ebb29e15128cbf1c5214c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be6d84b17144c4e55dd90e0e22d942d920ff919b8fad0b50a67c7b8cb50b26dc [INFO] running `Command { std: "docker" "start" "-a" "be6d84b17144c4e55dd90e0e22d942d920ff919b8fad0b50a67c7b8cb50b26dc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.34 [INFO] [stderr] Compiling either v1.4.0 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.3.0 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling atom v0.3.4 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling odds v0.2.26 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling mopa v0.2.2 [INFO] [stderr] Compiling smallvec v0.4.4 [INFO] [stderr] Compiling num-traits v0.1.41 [INFO] [stderr] Compiling tuple_utils v0.2.0 [INFO] [stderr] Compiling crossbeam v0.3.0 [INFO] [stderr] Compiling syn v0.10.8 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling coco v0.1.1 [INFO] [stderr] Compiling itertools v0.5.10 [INFO] [stderr] Compiling arrayvec v0.3.24 [INFO] [stderr] Compiling rand v0.3.18 [INFO] [stderr] Compiling num_cpus v1.7.0 [INFO] [stderr] Compiling time v0.1.38 [INFO] [stderr] Compiling termion v1.5.1 [INFO] [stderr] Compiling pulse v0.5.3 [INFO] [stderr] Compiling noise v0.4.1 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling shred-derive v0.3.0 [INFO] [stderr] Compiling hibitset v0.3.2 [INFO] [stderr] Compiling shred v0.5.0 [INFO] [stderr] Compiling derivative v1.0.0 [INFO] [stderr] Compiling specs v0.10.0 [INFO] [stderr] Compiling flock v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/renderable.rs:10:26 [INFO] [stdout] | [INFO] [stdout] 10 | fn render_map(&self, &TileMap, &TileMapView, &Player, &f32); [INFO] [stdout] | ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &TileMap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/renderable.rs:10:36 [INFO] [stdout] | [INFO] [stdout] 10 | fn render_map(&self, &TileMap, &TileMapView, &Player, &f32); [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &TileMapView` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/renderable.rs:10:50 [INFO] [stdout] | [INFO] [stdout] 10 | fn render_map(&self, &TileMap, &TileMapView, &Player, &f32); [INFO] [stdout] | ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/renderable.rs:10:59 [INFO] [stdout] | [INFO] [stdout] 10 | fn render_map(&self, &TileMap, &TileMapView, &Player, &f32); [INFO] [stdout] | ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &f32` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/renderable.rs:11:28 [INFO] [stdout] | [INFO] [stdout] 11 | fn render_world(&self, &World); [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &World` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/terminal_renderer.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | pub char_gen: (fn(f32, f32) -> char), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 24 - pub char_gen: (fn(f32, f32) -> char), [INFO] [stdout] 24 + pub char_gen: fn(f32, f32) -> char, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/terminal_renderer.rs:31:19 [INFO] [stdout] | [INFO] [stdout] 31 | char_gen: (fn(f32, f32) -> char), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 31 - char_gen: (fn(f32, f32) -> char), [INFO] [stdout] 31 + char_gen: fn(f32, f32) -> char, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.64s [INFO] running `Command { std: "docker" "inspect" "be6d84b17144c4e55dd90e0e22d942d920ff919b8fad0b50a67c7b8cb50b26dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be6d84b17144c4e55dd90e0e22d942d920ff919b8fad0b50a67c7b8cb50b26dc", kill_on_drop: false }` [INFO] [stdout] be6d84b17144c4e55dd90e0e22d942d920ff919b8fad0b50a67c7b8cb50b26dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1cb11ddd608922df0ad5b9206bb7ecdf3291f203b22cd0141b0905cceef4c496 [INFO] running `Command { std: "docker" "start" "-a" "1cb11ddd608922df0ad5b9206bb7ecdf3291f203b22cd0141b0905cceef4c496", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling flock v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/renderable.rs:10:26 [INFO] [stdout] | [INFO] [stdout] 10 | fn render_map(&self, &TileMap, &TileMapView, &Player, &f32); [INFO] [stdout] | ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &TileMap` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/renderable.rs:10:36 [INFO] [stdout] | [INFO] [stdout] 10 | fn render_map(&self, &TileMap, &TileMapView, &Player, &f32); [INFO] [stdout] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &TileMapView` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/renderable.rs:10:50 [INFO] [stdout] | [INFO] [stdout] 10 | fn render_map(&self, &TileMap, &TileMapView, &Player, &f32); [INFO] [stdout] | ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Player` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/renderable.rs:10:59 [INFO] [stdout] | [INFO] [stdout] 10 | fn render_map(&self, &TileMap, &TileMapView, &Player, &f32); [INFO] [stdout] | ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &f32` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/renderable.rs:11:28 [INFO] [stdout] | [INFO] [stdout] 11 | fn render_world(&self, &World); [INFO] [stdout] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &World` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/terminal_renderer.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | pub char_gen: (fn(f32, f32) -> char), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 24 - pub char_gen: (fn(f32, f32) -> char), [INFO] [stdout] 24 + pub char_gen: fn(f32, f32) -> char, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/terminal_renderer.rs:31:19 [INFO] [stdout] | [INFO] [stdout] 31 | char_gen: (fn(f32, f32) -> char), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 31 - char_gen: (fn(f32, f32) -> char), [INFO] [stdout] 31 + char_gen: fn(f32, f32) -> char, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.53s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/flock-91c9367e426b3fd3) [INFO] running `Command { std: "docker" "inspect" "1cb11ddd608922df0ad5b9206bb7ecdf3291f203b22cd0141b0905cceef4c496", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cb11ddd608922df0ad5b9206bb7ecdf3291f203b22cd0141b0905cceef4c496", kill_on_drop: false }` [INFO] [stdout] 1cb11ddd608922df0ad5b9206bb7ecdf3291f203b22cd0141b0905cceef4c496 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8a42c6bb809114da10aaea783f8d7f010d5389aaa9fad202749838592862f304 [INFO] running `Command { std: "docker" "start" "-a" "8a42c6bb809114da10aaea783f8d7f010d5389aaa9fad202749838592862f304", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/renderable.rs:10:26 [INFO] [stderr] | [INFO] [stderr] 10 | fn render_map(&self, &TileMap, &TileMapView, &Player, &f32); [INFO] [stderr] | ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &TileMap` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/renderable.rs:10:36 [INFO] [stderr] | [INFO] [stderr] 10 | fn render_map(&self, &TileMap, &TileMapView, &Player, &f32); [INFO] [stderr] | ^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &TileMapView` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/renderable.rs:10:50 [INFO] [stderr] | [INFO] [stderr] 10 | fn render_map(&self, &TileMap, &TileMapView, &Player, &f32); [INFO] [stderr] | ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Player` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/renderable.rs:10:59 [INFO] [stderr] | [INFO] [stderr] 10 | fn render_map(&self, &TileMap, &TileMapView, &Player, &f32); [INFO] [stderr] | ^^^^ help: try naming the parameter or explicitly ignoring it: `_: &f32` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/renderable.rs:11:28 [INFO] [stderr] | [INFO] [stderr] 11 | fn render_world(&self, &World); [INFO] [stderr] | ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &World` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/terminal_renderer.rs:24:19 [INFO] [stderr] | [INFO] [stderr] 24 | pub char_gen: (fn(f32, f32) -> char), [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 24 - pub char_gen: (fn(f32, f32) -> char), [INFO] [stderr] 24 + pub char_gen: fn(f32, f32) -> char, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/terminal_renderer.rs:31:19 [INFO] [stderr] | [INFO] [stderr] 31 | char_gen: (fn(f32, f32) -> char), [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 31 - char_gen: (fn(f32, f32) -> char), [INFO] [stderr] 31 + char_gen: fn(f32, f32) -> char, [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `flock` (bin "flock" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.83s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/flock-91c9367e426b3fd3) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8a42c6bb809114da10aaea783f8d7f010d5389aaa9fad202749838592862f304", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a42c6bb809114da10aaea783f8d7f010d5389aaa9fad202749838592862f304", kill_on_drop: false }` [INFO] [stdout] 8a42c6bb809114da10aaea783f8d7f010d5389aaa9fad202749838592862f304