[INFO] cloning repository https://github.com/lolzballs/gl-sandbox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lolzballs/gl-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolzballs%2Fgl-sandbox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolzballs%2Fgl-sandbox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6ccf5c46d4c5182c5997a315c8cccb9cfb93532a [INFO] building lolzballs/gl-sandbox against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolzballs%2Fgl-sandbox" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lolzballs/gl-sandbox on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lolzballs/gl-sandbox [INFO] finished tweaking git repo https://github.com/lolzballs/gl-sandbox [INFO] tweaked toml for git repo https://github.com/lolzballs/gl-sandbox written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lolzballs/gl-sandbox 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wayland-sys v0.12.4 [INFO] [stderr] Downloaded wayland-window v0.13.2 [INFO] [stderr] Downloaded dlib v0.4.0 [INFO] [stderr] Downloaded gl_generator v0.8.0 [INFO] [stderr] Downloaded memmap v0.6.1 [INFO] [stderr] Downloaded wayland-kbd v0.13.0 [INFO] [stderr] Downloaded wayland-client v0.12.4 [INFO] [stderr] Downloaded cgmath v0.16.0 [INFO] [stderr] Downloaded wayland-protocols v0.12.4 [INFO] [stderr] Downloaded x11-dl v2.17.1 [INFO] [stderr] Downloaded winit v0.10.0 [INFO] [stderr] Downloaded glutin v0.12.0 [INFO] [stderr] Downloaded gl v0.9.0 [INFO] [stderr] Downloaded gleam v0.4.17 [INFO] [stderr] Downloaded wayland-scanner v0.12.4 [INFO] [stderr] Downloaded khronos_api v2.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 357a10b1dd1cbcc1875bca00852e077362c6b9aa5f564389423bf862097429f9 [INFO] running `Command { std: "docker" "start" "-a" "357a10b1dd1cbcc1875bca00852e077362c6b9aa5f564389423bf862097429f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "357a10b1dd1cbcc1875bca00852e077362c6b9aa5f564389423bf862097429f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "357a10b1dd1cbcc1875bca00852e077362c6b9aa5f564389423bf862097429f9", kill_on_drop: false }` [INFO] [stdout] 357a10b1dd1cbcc1875bca00852e077362c6b9aa5f564389423bf862097429f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d8e528f54c758268d697d70b7cac3765cb9be5dfdcb3bc8b7a0186988f658407 [INFO] running `Command { std: "docker" "start" "-a" "d8e528f54c758268d697d70b7cac3765cb9be5dfdcb3bc8b7a0186988f658407", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling libc v0.2.23 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling lazy_static v0.2.8 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling log v0.3.8 [INFO] [stderr] Compiling khronos_api v2.0.0 [INFO] [stderr] Compiling num-traits v0.1.37 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling token_store v0.1.2 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling pkg-config v0.3.9 [INFO] [stderr] Compiling rayon-core v1.3.0 [INFO] [stderr] Compiling either v1.4.0 [INFO] [stderr] Compiling adler32 v1.0.2 [INFO] [stderr] Compiling dlib v0.4.0 [INFO] [stderr] Compiling byteorder v1.2.1 [INFO] [stderr] Compiling coco v0.1.1 [INFO] [stderr] Compiling wayland-sys v0.12.4 [INFO] [stderr] Compiling inflate v0.3.3 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling memmap v0.6.1 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling num_cpus v1.6.2 [INFO] [stderr] Compiling wayland-scanner v0.12.4 [INFO] [stderr] Compiling x11-dl v2.17.1 [INFO] [stderr] Compiling gl_generator v0.7.0 [INFO] [stderr] Compiling gl_generator v0.8.0 [INFO] [stderr] Compiling tempfile v2.2.0 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling shared_library v0.1.8 [INFO] [stderr] Compiling wayland-client v0.12.4 [INFO] [stderr] Compiling wayland-protocols v0.12.4 [INFO] [stderr] Compiling gl v0.9.0 [INFO] [stderr] Compiling glutin v0.12.0 [INFO] [stderr] Compiling rayon v0.8.2 [INFO] [stderr] Compiling deflate v0.7.17 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling cgmath v0.16.0 [INFO] [stderr] Compiling color_quant v1.0.0 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling gif v0.9.2 [INFO] [stderr] Compiling jpeg-decoder v0.1.13 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling wayland-kbd v0.13.0 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling num-rational v0.1.40 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling approx v0.1.1 [INFO] [stderr] Compiling scoped_threadpool v0.1.8 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] Compiling wayland-window v0.13.2 [INFO] [stderr] Compiling winit v0.10.0 [INFO] [stderr] Compiling gl-sandbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `DecodingResult` and `ImageDecoder` [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | use image::{DecodingResult, ImageDecoder}; [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/main.rs:16:23 [INFO] [stdout] | [INFO] [stdout] 16 | use std::io::{Cursor, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `program` is never read [INFO] [stdout] --> src/gfx/shader.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 79 | pub struct ActiveProgram<'a> { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 80 | program: &'a Program, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `stage` is never read [INFO] [stdout] --> src/gfx/shader.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 107 | pub struct Shader { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 108 | stage: ShaderStage, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `texture` is never read [INFO] [stdout] --> src/gfx/texture.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 65 | pub struct ActiveTexture<'a> { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 66 | texture: &'a Texture, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Nearest`, `NearestMipmapNearest`, `LinearMipmapNearest`, `NearestMipmapLinear`, and `LinearMipmapLinear` are never constructed [INFO] [stdout] --> src/gfx/texture.rs:128:5 [INFO] [stdout] | [INFO] [stdout] 127 | pub enum MinifyFilter { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 128 | Nearest, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 129 | Linear, [INFO] [stdout] 130 | NearestMipmapNearest, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 131 | LinearMipmapNearest, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 132 | NearestMipmapLinear, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 133 | LinearMipmapLinear, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Nearest` is never constructed [INFO] [stdout] --> src/gfx/texture.rs:150:5 [INFO] [stdout] | [INFO] [stdout] 149 | pub enum MagnifyFilter { [INFO] [stdout] | ------------- variant in this enum [INFO] [stdout] 150 | Nearest, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Mirror`, `Clamp`, and `MirrorClamp` are never constructed [INFO] [stdout] --> src/gfx/texture.rs:165:5 [INFO] [stdout] | [INFO] [stdout] 163 | pub enum WrapFunction { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 164 | Repeat, [INFO] [stdout] 165 | Mirror, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 166 | Clamp, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 167 | MirrorClamp, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:240:13 [INFO] [stdout] | [INFO] [stdout] 240 | window.set_cursor_state(CursorState::Grab); [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] 240 | let _ = window.set_cursor_state(CursorState::Grab); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.59s [INFO] running `Command { std: "docker" "inspect" "d8e528f54c758268d697d70b7cac3765cb9be5dfdcb3bc8b7a0186988f658407", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8e528f54c758268d697d70b7cac3765cb9be5dfdcb3bc8b7a0186988f658407", kill_on_drop: false }` [INFO] [stdout] d8e528f54c758268d697d70b7cac3765cb9be5dfdcb3bc8b7a0186988f658407 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1aeb791996cf452dee7edafa62777bb8f2cd30ca617c0d370295fe6f3083079d [INFO] running `Command { std: "docker" "start" "-a" "1aeb791996cf452dee7edafa62777bb8f2cd30ca617c0d370295fe6f3083079d", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling gl-sandbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `DecodingResult` and `ImageDecoder` [INFO] [stdout] --> src/main.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | use image::{DecodingResult, ImageDecoder}; [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/main.rs:16:23 [INFO] [stdout] | [INFO] [stdout] 16 | use std::io::{Cursor, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `program` is never read [INFO] [stdout] --> src/gfx/shader.rs:80:5 [INFO] [stdout] | [INFO] [stdout] 79 | pub struct ActiveProgram<'a> { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 80 | program: &'a Program, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `stage` is never read [INFO] [stdout] --> src/gfx/shader.rs:108:5 [INFO] [stdout] | [INFO] [stdout] 107 | pub struct Shader { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 108 | stage: ShaderStage, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `texture` is never read [INFO] [stdout] --> src/gfx/texture.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 65 | pub struct ActiveTexture<'a> { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 66 | texture: &'a Texture, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Nearest`, `NearestMipmapNearest`, `LinearMipmapNearest`, `NearestMipmapLinear`, and `LinearMipmapLinear` are never constructed [INFO] [stdout] --> src/gfx/texture.rs:128:5 [INFO] [stdout] | [INFO] [stdout] 127 | pub enum MinifyFilter { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 128 | Nearest, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 129 | Linear, [INFO] [stdout] 130 | NearestMipmapNearest, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 131 | LinearMipmapNearest, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 132 | NearestMipmapLinear, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 133 | LinearMipmapLinear, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Nearest` is never constructed [INFO] [stdout] --> src/gfx/texture.rs:150:5 [INFO] [stdout] | [INFO] [stdout] 149 | pub enum MagnifyFilter { [INFO] [stdout] | ------------- variant in this enum [INFO] [stdout] 150 | Nearest, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Mirror`, `Clamp`, and `MirrorClamp` are never constructed [INFO] [stdout] --> src/gfx/texture.rs:165:5 [INFO] [stdout] | [INFO] [stdout] 163 | pub enum WrapFunction { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 164 | Repeat, [INFO] [stdout] 165 | Mirror, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 166 | Clamp, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 167 | MirrorClamp, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:240:13 [INFO] [stdout] | [INFO] [stdout] 240 | window.set_cursor_state(CursorState::Grab); [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] 240 | let _ = window.set_cursor_state(CursorState::Grab); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "1aeb791996cf452dee7edafa62777bb8f2cd30ca617c0d370295fe6f3083079d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1aeb791996cf452dee7edafa62777bb8f2cd30ca617c0d370295fe6f3083079d", kill_on_drop: false }` [INFO] [stdout] 1aeb791996cf452dee7edafa62777bb8f2cd30ca617c0d370295fe6f3083079d