[INFO] cloning repository https://github.com/shailesz/invaders [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shailesz/invaders" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshailesz%2Finvaders", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshailesz%2Finvaders'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 022120bca98b5b30a7d3c3a7665adea608fc13f0 [INFO] checking shailesz/invaders against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshailesz%2Finvaders" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shailesz/invaders on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shailesz/invaders [INFO] finished tweaking git repo https://github.com/shailesz/invaders [INFO] tweaked toml for git repo https://github.com/shailesz/invaders written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shailesz/invaders 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61a02de4040ea23427549c3954b3648564a120e04e380c4bfaff2ca11d68a97c [INFO] running `Command { std: "docker" "start" "-a" "61a02de4040ea23427549c3954b3648564a120e04e380c4bfaff2ca11d68a97c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61a02de4040ea23427549c3954b3648564a120e04e380c4bfaff2ca11d68a97c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61a02de4040ea23427549c3954b3648564a120e04e380c4bfaff2ca11d68a97c", kill_on_drop: false }` [INFO] [stdout] 61a02de4040ea23427549c3954b3648564a120e04e380c4bfaff2ca11d68a97c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf89386d1f6e22c61e1a3e5583fb411ddef70957ab90bd94d60d9c6e65a1888c [INFO] running `Command { std: "docker" "start" "-a" "cf89386d1f6e22c61e1a3e5583fb411ddef70957ab90bd94d60d9c6e65a1888c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling syn v1.0.94 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling cpal v0.13.5 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling minimp3-sys v0.3.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking claxon v0.4.3 [INFO] [stderr] Checking rusty_time v0.11.3 [INFO] [stderr] Checking ogg v0.8.0 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Checking lewton v0.10.2 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking slice-deque v0.3.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking crossterm v0.17.7 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking minimp3 v0.5.1 [INFO] [stderr] Checking alsa v0.6.0 [INFO] [stderr] Checking rodio v0.13.1 [INFO] [stderr] Checking rusty_audio v1.2.1 [INFO] [stderr] Checking invaders v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/invaders.rs:98:46 [INFO] [stdout] | [INFO] [stdout] 98 | frame[invader.x][invader.y] = if (self.move_timer.time_left.as_secs_f32() / self.move_timer.duration.as_secs_f32() > 0.5) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 98 - frame[invader.x][invader.y] = if (self.move_timer.time_left.as_secs_f32() / self.move_timer.duration.as_secs_f32() > 0.5) { [INFO] [stdout] 98 + frame[invader.x][invader.y] = if self.move_timer.time_left.as_secs_f32() / self.move_timer.duration.as_secs_f32() > 0.5 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/invaders.rs:98:46 [INFO] [stdout] | [INFO] [stdout] 98 | frame[invader.x][invader.y] = if (self.move_timer.time_left.as_secs_f32() / self.move_timer.duration.as_secs_f32() > 0.5) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 98 - frame[invader.x][invader.y] = if (self.move_timer.time_left.as_secs_f32() / self.move_timer.duration.as_secs_f32() > 0.5) { [INFO] [stdout] 98 + frame[invader.x][invader.y] = if self.move_timer.time_left.as_secs_f32() / self.move_timer.duration.as_secs_f32() > 0.5 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | stdout.execute(Hide); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = stdout.execute(Hide); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | stdout.execute(Hide); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = stdout.execute(Hide); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.25s [INFO] running `Command { std: "docker" "inspect" "cf89386d1f6e22c61e1a3e5583fb411ddef70957ab90bd94d60d9c6e65a1888c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf89386d1f6e22c61e1a3e5583fb411ddef70957ab90bd94d60d9c6e65a1888c", kill_on_drop: false }` [INFO] [stdout] cf89386d1f6e22c61e1a3e5583fb411ddef70957ab90bd94d60d9c6e65a1888c [INFO] checking shailesz/invaders against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshailesz%2Finvaders" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shailesz/invaders on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shailesz/invaders [INFO] finished tweaking git repo https://github.com/shailesz/invaders [INFO] tweaked toml for git repo https://github.com/shailesz/invaders written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/shailesz/invaders 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 720e83bc8d8b56645d1749f02d3a5b0fa2515d7543acca9599b3993dc319193f [INFO] running `Command { std: "docker" "start" "-a" "720e83bc8d8b56645d1749f02d3a5b0fa2515d7543acca9599b3993dc319193f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "720e83bc8d8b56645d1749f02d3a5b0fa2515d7543acca9599b3993dc319193f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "720e83bc8d8b56645d1749f02d3a5b0fa2515d7543acca9599b3993dc319193f", kill_on_drop: false }` [INFO] [stdout] 720e83bc8d8b56645d1749f02d3a5b0fa2515d7543acca9599b3993dc319193f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99ed4addb8cb3f19b7bbd74308978b61c31dc427f7d6161820b1b16c64c0b499 [INFO] running `Command { std: "docker" "start" "-a" "99ed4addb8cb3f19b7bbd74308978b61c31dc427f7d6161820b1b16c64c0b499", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling syn v1.0.94 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling minimp3-sys v0.3.2 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling cpal v0.13.5 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking claxon v0.4.3 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking rusty_time v0.11.3 [INFO] [stderr] Checking ogg v0.8.0 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Checking lewton v0.10.2 [INFO] [stderr] Checking nix v0.23.1 [INFO] [stderr] Checking slice-deque v0.3.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking crossterm v0.17.7 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Checking thiserror v1.0.31 [INFO] [stderr] Checking minimp3 v0.5.1 [INFO] [stderr] Checking alsa v0.6.0 [INFO] [stderr] Checking rodio v0.13.1 [INFO] [stderr] Checking rusty_audio v1.2.1 [INFO] [stderr] Checking invaders v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/invaders.rs:98:46 [INFO] [stdout] | [INFO] [stdout] 98 | frame[invader.x][invader.y] = if (self.move_timer.time_left.as_secs_f32() / self.move_timer.duration.as_secs_f32() > 0.5) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 98 - frame[invader.x][invader.y] = if (self.move_timer.time_left.as_secs_f32() / self.move_timer.duration.as_secs_f32() > 0.5) { [INFO] [stdout] 98 + frame[invader.x][invader.y] = if self.move_timer.time_left.as_secs_f32() / self.move_timer.duration.as_secs_f32() > 0.5 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/invaders.rs:98:46 [INFO] [stdout] | [INFO] [stdout] 98 | frame[invader.x][invader.y] = if (self.move_timer.time_left.as_secs_f32() / self.move_timer.duration.as_secs_f32() > 0.5) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 98 - frame[invader.x][invader.y] = if (self.move_timer.time_left.as_secs_f32() / self.move_timer.duration.as_secs_f32() > 0.5) { [INFO] [stdout] 98 + frame[invader.x][invader.y] = if self.move_timer.time_left.as_secs_f32() / self.move_timer.duration.as_secs_f32() > 0.5 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | stdout.execute(Hide); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = stdout.execute(Hide); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | stdout.execute(Hide); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = stdout.execute(Hide); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.53s [INFO] running `Command { std: "docker" "inspect" "99ed4addb8cb3f19b7bbd74308978b61c31dc427f7d6161820b1b16c64c0b499", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99ed4addb8cb3f19b7bbd74308978b61c31dc427f7d6161820b1b16c64c0b499", kill_on_drop: false }` [INFO] [stdout] 99ed4addb8cb3f19b7bbd74308978b61c31dc427f7d6161820b1b16c64c0b499