[INFO] cloning repository https://github.com/Krotera/tcod-rs_roguelike_demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Krotera/tcod-rs_roguelike_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrotera%2Ftcod-rs_roguelike_demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrotera%2Ftcod-rs_roguelike_demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0e258b3c6d6199c288b0c061a322933cc7e3943d [INFO] testing Krotera/tcod-rs_roguelike_demo against try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrotera%2Ftcod-rs_roguelike_demo" "/workspace/builds/worker-107/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Krotera/tcod-rs_roguelike_demo on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Krotera/tcod-rs_roguelike_demo [INFO] finished tweaking git repo https://github.com/Krotera/tcod-rs_roguelike_demo [INFO] tweaked toml for git repo https://github.com/Krotera/tcod-rs_roguelike_demo written to /workspace/builds/worker-107/source/Cargo.toml [INFO] crate git repo https://github.com/Krotera/tcod-rs_roguelike_demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ba483514c382c91eb9ecaf89a5090965fb810459af0ef5f019ab76530228b25 [INFO] running `Command { std: "docker" "start" "-a" "4ba483514c382c91eb9ecaf89a5090965fb810459af0ef5f019ab76530228b25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ba483514c382c91eb9ecaf89a5090965fb810459af0ef5f019ab76530228b25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ba483514c382c91eb9ecaf89a5090965fb810459af0ef5f019ab76530228b25", kill_on_drop: false }` [INFO] [stdout] 4ba483514c382c91eb9ecaf89a5090965fb810459af0ef5f019ab76530228b25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "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" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b2bd065a78f3c57ab3d22468f8bc2ce88cf383c32d4c433854649ee94215234 [INFO] running `Command { std: "docker" "start" "-a" "4b2bd065a78f3c57ab3d22468f8bc2ce88cf383c32d4c433854649ee94215234", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Compiling proc-macro2 v0.4.25 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.46 [INFO] [stderr] Compiling serde v1.0.85 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling bitflags v0.1.1 [INFO] [stderr] Compiling lazy_static v0.1.16 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling tcod-sys v5.0.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling serde_json v1.0.36 [INFO] [stderr] Compiling rand_os v0.1.1 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Compiling serde_derive v1.0.85 [INFO] [stderr] Compiling tcod v0.13.0 [INFO] [stderr] Compiling tcod-rs_roguelike_demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Key` is imported redundantly [INFO] [stdout] --> src/main.rs:1442:9 [INFO] [stdout] | [INFO] [stdout] 17 | use tcod::input::{self, Event, Key, Mouse}; [INFO] [stdout] | --- the item `Key` is already imported here [INFO] [stdout] ... [INFO] [stdout] 1442 | use tcod::input::Key; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1764:65 [INFO] [stdout] | [INFO] [stdout] 1764 | fn save_game(objects: &[Object], game: &Game) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 1764 - fn save_game(objects: &[Object], game: &Game) -> Result<(), Box> { [INFO] [stdout] 1764 + fn save_game(objects: &[Object], game: &Game) -> Result<(), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1773:51 [INFO] [stdout] | [INFO] [stdout] 1773 | fn load_game() -> Result<(Vec, Game), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 1773 - fn load_game() -> Result<(Vec, Game), Box> { [INFO] [stdout] 1773 + fn load_game() -> Result<(Vec, Game), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:192:34 [INFO] [stdout] | [INFO] [stdout] 192 | pub fn draw(&self, con: &mut Console) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 192 - pub fn draw(&self, con: &mut Console) { [INFO] [stdout] 192 + pub fn draw(&self, con: &mut dyn Console) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:198:35 [INFO] [stdout] | [INFO] [stdout] 198 | pub fn clear(&self, con: &mut Console) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 198 - pub fn clear(&self, con: &mut Console) { [INFO] [stdout] 198 + pub fn clear(&self, con: &mut dyn Console) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 00s [INFO] running `Command { std: "docker" "inspect" "4b2bd065a78f3c57ab3d22468f8bc2ce88cf383c32d4c433854649ee94215234", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b2bd065a78f3c57ab3d22468f8bc2ce88cf383c32d4c433854649ee94215234", kill_on_drop: false }` [INFO] [stdout] 4b2bd065a78f3c57ab3d22468f8bc2ce88cf383c32d4c433854649ee94215234 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "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" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a1ba7715325b90a3d9e60dcbde036f5357ac75f7a035de7320b34591adb3b51a [INFO] running `Command { std: "docker" "start" "-a" "a1ba7715325b90a3d9e60dcbde036f5357ac75f7a035de7320b34591adb3b51a", kill_on_drop: false }` [INFO] [stderr] Compiling tcod-rs_roguelike_demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Key` is imported redundantly [INFO] [stdout] --> src/main.rs:1442:9 [INFO] [stdout] | [INFO] [stdout] 17 | use tcod::input::{self, Event, Key, Mouse}; [INFO] [stdout] | --- the item `Key` is already imported here [INFO] [stdout] ... [INFO] [stdout] 1442 | use tcod::input::Key; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1764:65 [INFO] [stdout] | [INFO] [stdout] 1764 | fn save_game(objects: &[Object], game: &Game) -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 1764 - fn save_game(objects: &[Object], game: &Game) -> Result<(), Box> { [INFO] [stdout] 1764 + fn save_game(objects: &[Object], game: &Game) -> Result<(), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:1773:51 [INFO] [stdout] | [INFO] [stdout] 1773 | fn load_game() -> Result<(Vec, Game), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 1773 - fn load_game() -> Result<(Vec, Game), Box> { [INFO] [stdout] 1773 + fn load_game() -> Result<(Vec, Game), Box> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:192:34 [INFO] [stdout] | [INFO] [stdout] 192 | pub fn draw(&self, con: &mut Console) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 192 - pub fn draw(&self, con: &mut Console) { [INFO] [stdout] 192 + pub fn draw(&self, con: &mut dyn Console) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:198:35 [INFO] [stdout] | [INFO] [stdout] 198 | pub fn clear(&self, con: &mut Console) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 198 - pub fn clear(&self, con: &mut Console) { [INFO] [stdout] 198 + pub fn clear(&self, con: &mut dyn Console) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.81s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/tcod_rs_roguelike_demo-80ad9f010ce9c4f3) [INFO] running `Command { std: "docker" "inspect" "a1ba7715325b90a3d9e60dcbde036f5357ac75f7a035de7320b34591adb3b51a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1ba7715325b90a3d9e60dcbde036f5357ac75f7a035de7320b34591adb3b51a", kill_on_drop: false }` [INFO] [stdout] a1ba7715325b90a3d9e60dcbde036f5357ac75f7a035de7320b34591adb3b51a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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" "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" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b0c10dbe3f256fbeff009b491b474662e888f6a6f6599bc5a520e40af0299adc [INFO] running `Command { std: "docker" "start" "-a" "b0c10dbe3f256fbeff009b491b474662e888f6a6f6599bc5a520e40af0299adc", kill_on_drop: false }` [INFO] [stderr] warning: the item `Key` is imported redundantly [INFO] [stdout] [INFO] [stderr] --> src/main.rs:1442:9 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 17 | use tcod::input::{self, Event, Key, Mouse}; [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | --- the item `Key` is already imported here [INFO] [stdout] [INFO] [stderr] ... [INFO] [stderr] 1442 | use tcod::input::Key; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:1764:65 [INFO] [stderr] | [INFO] [stderr] 1764 | fn save_game(objects: &[Object], game: &Game) -> Result<(), Box> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 1764 - fn save_game(objects: &[Object], game: &Game) -> Result<(), Box> { [INFO] [stderr] 1764 + fn save_game(objects: &[Object], game: &Game) -> Result<(), Box> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:1773:51 [INFO] [stderr] | [INFO] [stderr] 1773 | fn load_game() -> Result<(Vec, Game), Box> { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 1773 - fn load_game() -> Result<(Vec, Game), Box> { [INFO] [stderr] 1773 + fn load_game() -> Result<(Vec, Game), Box> { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:192:34 [INFO] [stderr] | [INFO] [stderr] 192 | pub fn draw(&self, con: &mut Console) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 192 - pub fn draw(&self, con: &mut Console) { [INFO] [stderr] 192 + pub fn draw(&self, con: &mut dyn Console) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:198:35 [INFO] [stderr] | [INFO] [stderr] 198 | pub fn clear(&self, con: &mut Console) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `dyn` [INFO] [stderr] | [INFO] [stderr] 198 - pub fn clear(&self, con: &mut Console) { [INFO] [stderr] 198 + pub fn clear(&self, con: &mut dyn Console) { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `tcod-rs_roguelike_demo` (bin "tcod-rs_roguelike_demo" test) generated 5 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tcod_rs_roguelike_demo-80ad9f010ce9c4f3) [INFO] running `Command { std: "docker" "inspect" "b0c10dbe3f256fbeff009b491b474662e888f6a6f6599bc5a520e40af0299adc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0c10dbe3f256fbeff009b491b474662e888f6a6f6599bc5a520e40af0299adc", kill_on_drop: false }` [INFO] [stdout] b0c10dbe3f256fbeff009b491b474662e888f6a6f6599bc5a520e40af0299adc