Oct 12 19:56:08.633 INFO testing vemilyus/virtuoso against master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513 for rustdoc-test-static-cling-1 Oct 12 19:56:08.634 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-3/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/rustdoc-test-static-cling-1/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Oct 12 19:56:09.108 INFO blam! 42ae17accc8a28ab1cb8dc05909efbde789b8a95f7f3ac803beae7592e416f35 Oct 12 19:56:09.113 INFO running `"docker" "start" "-a" "42ae17accc8a28ab1cb8dc05909efbde789b8a95f7f3ac803beae7592e416f35"` Oct 12 19:56:10.347 INFO kablam! usermod: no changes Oct 12 19:56:10.643 INFO kablam! Compiling cc v1.0.23 Oct 12 19:56:10.643 INFO kablam! Compiling regex v1.0.4 Oct 12 19:56:10.644 INFO kablam! Compiling semver-parser v0.7.0 Oct 12 19:56:10.651 INFO kablam! Compiling itertools v0.7.8 Oct 12 19:56:10.651 INFO kablam! Compiling thread_local v0.3.6 Oct 12 19:56:13.947 INFO kablam! Compiling semver v0.9.0 Oct 12 19:56:17.355 INFO kablam! Compiling cmake v0.1.33 Oct 12 19:56:17.355 INFO kablam! Compiling libz-sys v1.0.20 Oct 12 19:56:17.355 INFO kablam! Compiling openssl-sys v0.9.35 Oct 12 19:56:17.379 INFO kablam! Compiling curl-sys v0.4.8 Oct 12 19:56:18.875 INFO kablam! Compiling libssh2-sys v0.2.10 Oct 12 19:56:18.875 INFO kablam! Compiling libgit2-sys v0.7.7 Oct 12 19:57:13.483 INFO kablam! Compiling git2 v0.7.5 Oct 12 19:57:22.119 INFO kablam! Compiling virtuoso v0.1.0 (/source) Oct 12 19:57:22.607 INFO kablam! warning: unused imports: `PathBuf`, `Path` Oct 12 19:57:22.607 INFO kablam! --> src/delta.rs:3:17 Oct 12 19:57:22.607 INFO kablam! | Oct 12 19:57:22.607 INFO kablam! 3 | use std::path::{Path, PathBuf}; Oct 12 19:57:22.607 INFO kablam! | ^^^^ ^^^^^^^ Oct 12 19:57:22.607 INFO kablam! | Oct 12 19:57:22.609 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 12 19:57:22.609 INFO kablam! Oct 12 19:57:22.609 INFO kablam! warning: unused import: `std::process::exit` Oct 12 19:57:22.609 INFO kablam! --> src/delta.rs:4:5 Oct 12 19:57:22.609 INFO kablam! | Oct 12 19:57:22.609 INFO kablam! 4 | use std::process::exit; Oct 12 19:57:22.609 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 12 19:57:22.609 INFO kablam! Oct 12 19:57:22.609 INFO kablam! warning: unused import: `utils::*` Oct 12 19:57:22.609 INFO kablam! --> src/dockerfile.rs:3:5 Oct 12 19:57:22.609 INFO kablam! | Oct 12 19:57:22.609 INFO kablam! 3 | use utils::*; Oct 12 19:57:22.609 INFO kablam! | ^^^^^^^^ Oct 12 19:57:22.609 INFO kablam! Oct 12 19:57:22.609 INFO kablam! warning: unused import: `yaml_rust::YamlLoader` Oct 12 19:57:22.609 INFO kablam! --> src/dockerfile.rs:4:5 Oct 12 19:57:22.609 INFO kablam! | Oct 12 19:57:22.609 INFO kablam! 4 | use yaml_rust::YamlLoader; Oct 12 19:57:22.609 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 19:57:22.609 INFO kablam! Oct 12 19:57:22.609 INFO kablam! warning: unused import: `std::io` Oct 12 19:57:22.609 INFO kablam! --> src/utils.rs:4:5 Oct 12 19:57:22.609 INFO kablam! | Oct 12 19:57:22.609 INFO kablam! 4 | use std::io; Oct 12 19:57:22.609 INFO kablam! | ^^^^^^^ Oct 12 19:57:22.609 INFO kablam! Oct 12 19:57:22.755 INFO kablam! warning: unused variable: `repo` Oct 12 19:57:22.755 INFO kablam! --> src/delta.rs:7:29 Oct 12 19:57:22.755 INFO kablam! | Oct 12 19:57:22.755 INFO kablam! 7 | pub fn process_delta<'repo>(repo: &'repo Repository, Oct 12 19:57:22.755 INFO kablam! | ^^^^ help: consider using `_repo` instead Oct 12 19:57:22.755 INFO kablam! | Oct 12 19:57:22.755 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 12 19:57:22.755 INFO kablam! Oct 12 19:57:22.755 INFO kablam! warning: unused variable: `current_delta` Oct 12 19:57:22.755 INFO kablam! --> src/delta.rs:8:29 Oct 12 19:57:22.755 INFO kablam! | Oct 12 19:57:22.755 INFO kablam! 8 | current_delta: &'repo DiffDelta, Oct 12 19:57:22.755 INFO kablam! | ^^^^^^^^^^^^^ help: consider using `_current_delta` instead Oct 12 19:57:22.755 INFO kablam! Oct 12 19:57:22.755 INFO kablam! warning: unused variable: `all_deltas` Oct 12 19:57:22.755 INFO kablam! --> src/delta.rs:9:29 Oct 12 19:57:22.755 INFO kablam! | Oct 12 19:57:22.755 INFO kablam! 9 | all_deltas: &Vec, Oct 12 19:57:22.755 INFO kablam! | ^^^^^^^^^^ help: consider using `_all_deltas` instead Oct 12 19:57:22.755 INFO kablam! Oct 12 19:57:22.755 INFO kablam! warning: unused variable: `config` Oct 12 19:57:22.755 INFO kablam! --> src/delta.rs:10:29 Oct 12 19:57:22.755 INFO kablam! | Oct 12 19:57:22.755 INFO kablam! 10 | config: &Config) {} Oct 12 19:57:22.755 INFO kablam! | ^^^^^^ help: consider using `_config` instead Oct 12 19:57:22.755 INFO kablam! Oct 12 19:57:22.755 INFO kablam! warning: unused variable: `path` Oct 12 19:57:22.755 INFO kablam! --> src/dockerfile.rs:6:30 Oct 12 19:57:22.755 INFO kablam! | Oct 12 19:57:22.755 INFO kablam! 6 | pub fn try_read_compose_file(path: &Path) -> Result> { Oct 12 19:57:22.755 INFO kablam! | ^^^^ help: consider using `_path` instead Oct 12 19:57:22.755 INFO kablam! Oct 12 19:57:22.798 INFO kablam! warning: function is never used: `try_read_compose_file` Oct 12 19:57:22.798 INFO kablam! --> src/dockerfile.rs:6:1 Oct 12 19:57:22.798 INFO kablam! | Oct 12 19:57:22.798 INFO kablam! 6 | pub fn try_read_compose_file(path: &Path) -> Result> { Oct 12 19:57:22.798 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 19:57:22.798 INFO kablam! | Oct 12 19:57:22.798 INFO kablam! = note: #[warn(dead_code)] on by default Oct 12 19:57:22.798 INFO kablam! Oct 12 19:57:22.798 INFO kablam! warning: struct is never constructed: `DComposeFile` Oct 12 19:57:22.798 INFO kablam! --> src/dockerfile.rs:11:1 Oct 12 19:57:22.798 INFO kablam! | Oct 12 19:57:22.798 INFO kablam! 11 | pub struct DComposeFile<'a> { Oct 12 19:57:22.799 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 19:57:22.799 INFO kablam! Oct 12 19:57:22.799 INFO kablam! warning: method is never used: `new` Oct 12 19:57:22.799 INFO kablam! --> src/dockerfile.rs:17:5 Oct 12 19:57:22.799 INFO kablam! | Oct 12 19:57:22.799 INFO kablam! 17 | fn new(path: &'a Path, services: Vec>) -> DComposeFile<'a> { Oct 12 19:57:22.799 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 19:57:22.799 INFO kablam! Oct 12 19:57:22.799 INFO kablam! warning: struct is never constructed: `DCService` Oct 12 19:57:22.799 INFO kablam! --> src/dockerfile.rs:26:1 Oct 12 19:57:22.799 INFO kablam! | Oct 12 19:57:22.799 INFO kablam! 26 | pub struct DCService<'a> { Oct 12 19:57:22.799 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 19:57:22.799 INFO kablam! Oct 12 19:57:22.799 INFO kablam! warning: method is never used: `new` Oct 12 19:57:22.799 INFO kablam! --> src/dockerfile.rs:32:5 Oct 12 19:57:22.799 INFO kablam! | Oct 12 19:57:22.799 INFO kablam! 32 | fn new(name: &'a str, docker_file: Option<&'a Path>) -> DCService<'a> { Oct 12 19:57:22.799 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 19:57:22.799 INFO kablam! Oct 12 19:57:26.748 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1m 16s Oct 12 19:57:26.760 INFO kablam! su: No module specific data is present Oct 12 19:57:28.451 INFO running `"docker" "rm" "-f" "42ae17accc8a28ab1cb8dc05909efbde789b8a95f7f3ac803beae7592e416f35"` Oct 12 19:57:28.799 INFO blam! 42ae17accc8a28ab1cb8dc05909efbde789b8a95f7f3ac803beae7592e416f35 Oct 12 19:57:28.801 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-3/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/rustdoc-test-static-cling-1/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Oct 12 19:57:29.311 INFO blam! 7fbe861b659c4784cf102ce8dc1de4273ff58f5f1241631c64988543c6ee1386 Oct 12 19:57:29.315 INFO running `"docker" "start" "-a" "7fbe861b659c4784cf102ce8dc1de4273ff58f5f1241631c64988543c6ee1386"` Oct 12 19:57:31.323 INFO kablam! usermod: no changes Oct 12 19:57:31.527 INFO kablam! Compiling virtuoso v0.1.0 (/source) Oct 12 19:57:31.895 INFO kablam! warning: unused imports: `PathBuf`, `Path` Oct 12 19:57:31.895 INFO kablam! --> src/delta.rs:3:17 Oct 12 19:57:31.895 INFO kablam! | Oct 12 19:57:31.895 INFO kablam! 3 | use std::path::{Path, PathBuf}; Oct 12 19:57:31.895 INFO kablam! | ^^^^ ^^^^^^^ Oct 12 19:57:31.895 INFO kablam! | Oct 12 19:57:31.895 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 12 19:57:31.895 INFO kablam! Oct 12 19:57:31.895 INFO kablam! warning: unused import: `std::process::exit` Oct 12 19:57:31.895 INFO kablam! --> src/delta.rs:4:5 Oct 12 19:57:31.895 INFO kablam! | Oct 12 19:57:31.895 INFO kablam! 4 | use std::process::exit; Oct 12 19:57:31.895 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 12 19:57:31.895 INFO kablam! Oct 12 19:57:31.895 INFO kablam! warning: unused import: `utils::*` Oct 12 19:57:31.895 INFO kablam! --> src/dockerfile.rs:3:5 Oct 12 19:57:31.895 INFO kablam! | Oct 12 19:57:31.895 INFO kablam! 3 | use utils::*; Oct 12 19:57:31.895 INFO kablam! | ^^^^^^^^ Oct 12 19:57:31.895 INFO kablam! Oct 12 19:57:31.895 INFO kablam! warning: unused import: `yaml_rust::YamlLoader` Oct 12 19:57:31.895 INFO kablam! --> src/dockerfile.rs:4:5 Oct 12 19:57:31.895 INFO kablam! | Oct 12 19:57:31.895 INFO kablam! 4 | use yaml_rust::YamlLoader; Oct 12 19:57:31.895 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Oct 12 19:57:31.895 INFO kablam! Oct 12 19:57:31.895 INFO kablam! warning: unused import: `std::io` Oct 12 19:57:31.895 INFO kablam! --> src/utils.rs:4:5 Oct 12 19:57:31.895 INFO kablam! | Oct 12 19:57:31.895 INFO kablam! 4 | use std::io; Oct 12 19:57:31.895 INFO kablam! | ^^^^^^^ Oct 12 19:57:31.895 INFO kablam! Oct 12 19:57:32.031 INFO kablam! warning: unused variable: `repo` Oct 12 19:57:32.031 INFO kablam! --> src/delta.rs:7:29 Oct 12 19:57:32.031 INFO kablam! | Oct 12 19:57:32.031 INFO kablam! 7 | pub fn process_delta<'repo>(repo: &'repo Repository, Oct 12 19:57:32.031 INFO kablam! | ^^^^ help: consider using `_repo` instead Oct 12 19:57:32.031 INFO kablam! | Oct 12 19:57:32.031 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 12 19:57:32.031 INFO kablam! Oct 12 19:57:32.031 INFO kablam! warning: unused variable: `current_delta` Oct 12 19:57:32.031 INFO kablam! --> src/delta.rs:8:29 Oct 12 19:57:32.031 INFO kablam! | Oct 12 19:57:32.031 INFO kablam! 8 | current_delta: &'repo DiffDelta, Oct 12 19:57:32.031 INFO kablam! | ^^^^^^^^^^^^^ help: consider using `_current_delta` instead Oct 12 19:57:32.031 INFO kablam! Oct 12 19:57:32.031 INFO kablam! warning: unused variable: `all_deltas` Oct 12 19:57:32.031 INFO kablam! --> src/delta.rs:9:29 Oct 12 19:57:32.031 INFO kablam! | Oct 12 19:57:32.031 INFO kablam! 9 | all_deltas: &Vec, Oct 12 19:57:32.031 INFO kablam! | ^^^^^^^^^^ help: consider using `_all_deltas` instead Oct 12 19:57:32.031 INFO kablam! Oct 12 19:57:32.031 INFO kablam! warning: unused variable: `config` Oct 12 19:57:32.031 INFO kablam! --> src/delta.rs:10:29 Oct 12 19:57:32.031 INFO kablam! | Oct 12 19:57:32.031 INFO kablam! 10 | config: &Config) {} Oct 12 19:57:32.031 INFO kablam! | ^^^^^^ help: consider using `_config` instead Oct 12 19:57:32.031 INFO kablam! Oct 12 19:57:32.031 INFO kablam! warning: unused variable: `path` Oct 12 19:57:32.031 INFO kablam! --> src/dockerfile.rs:6:30 Oct 12 19:57:32.031 INFO kablam! | Oct 12 19:57:32.031 INFO kablam! 6 | pub fn try_read_compose_file(path: &Path) -> Result> { Oct 12 19:57:32.031 INFO kablam! | ^^^^ help: consider using `_path` instead Oct 12 19:57:32.031 INFO kablam! Oct 12 19:57:32.067 INFO kablam! warning: function is never used: `try_read_compose_file` Oct 12 19:57:32.067 INFO kablam! --> src/dockerfile.rs:6:1 Oct 12 19:57:32.067 INFO kablam! | Oct 12 19:57:32.067 INFO kablam! 6 | pub fn try_read_compose_file(path: &Path) -> Result> { Oct 12 19:57:32.067 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 19:57:32.067 INFO kablam! | Oct 12 19:57:32.067 INFO kablam! = note: #[warn(dead_code)] on by default Oct 12 19:57:32.067 INFO kablam! Oct 12 19:57:32.067 INFO kablam! warning: struct is never constructed: `DComposeFile` Oct 12 19:57:32.067 INFO kablam! --> src/dockerfile.rs:11:1 Oct 12 19:57:32.067 INFO kablam! | Oct 12 19:57:32.067 INFO kablam! 11 | pub struct DComposeFile<'a> { Oct 12 19:57:32.067 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 19:57:32.067 INFO kablam! Oct 12 19:57:32.067 INFO kablam! warning: method is never used: `new` Oct 12 19:57:32.067 INFO kablam! --> src/dockerfile.rs:17:5 Oct 12 19:57:32.067 INFO kablam! | Oct 12 19:57:32.067 INFO kablam! 17 | fn new(path: &'a Path, services: Vec>) -> DComposeFile<'a> { Oct 12 19:57:32.067 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 19:57:32.067 INFO kablam! Oct 12 19:57:32.067 INFO kablam! warning: struct is never constructed: `DCService` Oct 12 19:57:32.067 INFO kablam! --> src/dockerfile.rs:26:1 Oct 12 19:57:32.067 INFO kablam! | Oct 12 19:57:32.067 INFO kablam! 26 | pub struct DCService<'a> { Oct 12 19:57:32.067 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 19:57:32.067 INFO kablam! Oct 12 19:57:32.067 INFO kablam! warning: method is never used: `new` Oct 12 19:57:32.067 INFO kablam! --> src/dockerfile.rs:32:5 Oct 12 19:57:32.067 INFO kablam! | Oct 12 19:57:32.067 INFO kablam! 32 | fn new(name: &'a str, docker_file: Option<&'a Path>) -> DCService<'a> { Oct 12 19:57:32.067 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 19:57:32.067 INFO kablam! Oct 12 19:57:32.814 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.45s Oct 12 19:57:32.818 INFO kablam! su: No module specific data is present Oct 12 19:57:34.044 INFO running `"docker" "rm" "-f" "7fbe861b659c4784cf102ce8dc1de4273ff58f5f1241631c64988543c6ee1386"` Oct 12 19:57:34.307 INFO blam! 7fbe861b659c4784cf102ce8dc1de4273ff58f5f1241631c64988543c6ee1386 Oct 12 19:57:34.318 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-3/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/rustdoc-test-static-cling-1/master#0e07c4281c343e9e15a0a8fca79538ad1a8eb513:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +0e07c4281c343e9e15a0a8fca79538ad1a8eb513-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Oct 12 19:57:34.825 INFO blam! bdaa4e0996464040d555bf45fd8fa6b51f285b86e808bc30bfd3893a7de5bd6a Oct 12 19:57:34.826 INFO running `"docker" "start" "-a" "bdaa4e0996464040d555bf45fd8fa6b51f285b86e808bc30bfd3893a7de5bd6a"` Oct 12 19:57:37.370 INFO kablam! usermod: no changes Oct 12 19:57:37.577 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.16s Oct 12 19:57:37.587 INFO kablam! Running /target/debug/deps/virtuoso-a21a7947c8f7cdcd Oct 12 19:57:37.590 INFO kablam! su: No module specific data is present Oct 12 19:57:37.591 INFO blam! Oct 12 19:57:37.591 INFO blam! running 0 tests Oct 12 19:57:37.591 INFO blam! Oct 12 19:57:37.591 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Oct 12 19:57:37.591 INFO blam! Oct 12 19:57:38.404 INFO running `"docker" "rm" "-f" "bdaa4e0996464040d555bf45fd8fa6b51f285b86e808bc30bfd3893a7de5bd6a"` Oct 12 19:57:38.697 INFO blam! bdaa4e0996464040d555bf45fd8fa6b51f285b86e808bc30bfd3893a7de5bd6a