[INFO] fetching crate wallexerr 0.3.3... [INFO] testing wallexerr-0.3.3 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate wallexerr 0.3.3 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate wallexerr 0.3.3 [INFO] finished tweaking crates.io crate wallexerr 0.3.3 [INFO] tweaked toml for crates.io crate wallexerr 0.3.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate wallexerr 0.3.3 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 289 packages to latest compatible versions [INFO] [stderr] Adding rust-argon2 v2.1.0 (available: v3.0.0) [INFO] [stderr] Adding secp256k1 v0.29.1 (available: v0.31.1) [INFO] [stderr] Adding tiny-bip39 v1.0.0 (available: v2.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded impl-serde v0.4.0 [INFO] [stderr] Downloaded soketto v0.7.1 [INFO] [stderr] Downloaded themis v0.14.0 [INFO] [stderr] Downloaded rust-argon2 v2.1.0 [INFO] [stderr] Downloaded ethbloom v0.13.0 [INFO] [stderr] Downloaded impl-rlp v0.3.0 [INFO] [stderr] Downloaded web3 v0.19.0 [INFO] [stderr] Downloaded web3-async-native-tls v0.4.0 [INFO] [stderr] Downloaded secp256k1-sys v0.8.2 [INFO] [stderr] Downloaded libthemis-sys v0.14.0 [INFO] [stderr] Downloaded aes256ctr_poly1305aes v0.2.1 [INFO] [stderr] Downloaded ethereum-types v0.14.1 [INFO] [stderr] Downloaded tiny-bip39 v1.0.0 [INFO] [stderr] Downloaded ethabi v18.0.0 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8fa598e673c1c3803cebd982355ca60d6a0c994ebd384049e34ad0b32e98c388 [INFO] running `Command { std: "docker" "start" "-a" "8fa598e673c1c3803cebd982355ca60d6a0c994ebd384049e34ad0b32e98c388", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8fa598e673c1c3803cebd982355ca60d6a0c994ebd384049e34ad0b32e98c388", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fa598e673c1c3803cebd982355ca60d6a0c994ebd384049e34ad0b32e98c388", kill_on_drop: false }` [INFO] [stdout] 8fa598e673c1c3803cebd982355ca60d6a0c994ebd384049e34ad0b32e98c388 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2bed3dc027528c582ddddae475c1523c9ddc929f057f70f7930e36ddd21d6a6c [INFO] running `Command { std: "docker" "start" "-a" "2bed3dc027528c582ddddae475c1523c9ddc929f057f70f7930e36ddd21d6a6c", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling crunchy v0.2.4 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rustc-hex v2.1.0 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling secp256k1-sys v0.8.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rlp v0.5.2 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling cipher v0.4.4 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling uint v0.9.5 [INFO] [stderr] Compiling impl-rlp v0.3.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling libthemis-sys v0.14.0 [INFO] [stderr] Compiling secp256k1-sys v0.10.1 [INFO] [stderr] Compiling sha3 v0.10.8 [INFO] [stderr] Compiling fixed-hash v0.8.0 [INFO] [stderr] Compiling sha-1 v0.9.8 [INFO] [stderr] warning: libthemis-sys@0.14.0: src/dummy.c:17:10: fatal error: themis/themis.h: No such file or directory [INFO] [stderr] warning: libthemis-sys@0.14.0: 17 | #include [INFO] [stderr] warning: libthemis-sys@0.14.0: | ^~~~~~~~~~~~~~~~~ [INFO] [stderr] warning: libthemis-sys@0.14.0: compilation terminated. [INFO] [stderr] error: failed to run custom build command for `libthemis-sys v0.14.0` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libthemis-sys-0d026920e8fc9c3d/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-env-changed=LIBTHEMIS_NO_PKG_CONFIG [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_x86_64-unknown-linux-gnu [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_x86_64_unknown_linux_gnu [INFO] [stderr] cargo:rerun-if-env-changed=HOST_PKG_CONFIG [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG [INFO] [stderr] cargo:rerun-if-env-changed=LIBTHEMIS_STATIC [INFO] [stderr] cargo:rerun-if-env-changed=LIBTHEMIS_DYNAMIC [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_ALL_STATIC [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_ALL_DYNAMIC [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64-unknown-linux-gnu [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_PATH_x86_64_unknown_linux_gnu [INFO] [stderr] cargo:rerun-if-env-changed=HOST_PKG_CONFIG_PATH [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_PATH [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64-unknown-linux-gnu [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR_x86_64_unknown_linux_gnu [INFO] [stderr] cargo:rerun-if-env-changed=HOST_PKG_CONFIG_LIBDIR [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_LIBDIR [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64-unknown-linux-gnu [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR_x86_64_unknown_linux_gnu [INFO] [stderr] cargo:rerun-if-env-changed=HOST_PKG_CONFIG_SYSROOT_DIR [INFO] [stderr] cargo:rerun-if-env-changed=PKG_CONFIG_SYSROOT_DIR [INFO] [stderr] OUT_DIR = Some(/opt/rustwide/target/debug/build/libthemis-sys-ccb24c9c223685d4/out) [INFO] [stderr] OPT_LEVEL = Some(0) [INFO] [stderr] TARGET = Some(x86_64-unknown-linux-gnu) [INFO] [stderr] HOST = Some(x86_64-unknown-linux-gnu) [INFO] [stderr] cargo:rerun-if-env-changed=CC_x86_64-unknown-linux-gnu [INFO] [stderr] CC_x86_64-unknown-linux-gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=CC_x86_64_unknown_linux_gnu [INFO] [stderr] CC_x86_64_unknown_linux_gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=HOST_CC [INFO] [stderr] HOST_CC = None [INFO] [stderr] cargo:rerun-if-env-changed=CC [INFO] [stderr] CC = None [INFO] [stderr] cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT [INFO] [stderr] RUSTC_WRAPPER = None [INFO] [stderr] cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS [INFO] [stderr] CRATE_CC_NO_DEFAULTS = None [INFO] [stderr] DEBUG = Some(true) [INFO] [stderr] CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87) [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS [INFO] [stderr] CFLAGS = None [INFO] [stderr] cargo:rerun-if-env-changed=HOST_CFLAGS [INFO] [stderr] HOST_CFLAGS = None [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_gnu [INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-gnu [INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None [INFO] [stderr] CARGO_ENCODED_RUSTFLAGS = Some(--cap-lints=forbid) [INFO] [stderr] cargo:warning=src/dummy.c:17:10: fatal error: themis/themis.h: No such file or directory [INFO] [stderr] cargo:warning= 17 | #include [INFO] [stderr] cargo:warning= | ^~~~~~~~~~~~~~~~~ [INFO] [stderr] cargo:warning=compilation terminated. [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] `libthemis-sys` could not find Themis installation in your system. [INFO] [stderr] [INFO] [stderr] Please make sure you have appropriate development package installed. [INFO] [stderr] On Linux it's called `libthemis-dev`, not just `libthemis`. [INFO] [stderr] On macOS Homebrew formula is called `libthemis`. [INFO] [stderr] [INFO] [stderr] Please refer to the documentation for installation instructions: [INFO] [stderr] [INFO] [stderr] https://github.com/cossacklabs/themis#quickstart [INFO] [stderr] [INFO] [stderr] This crate uses `pkg-config` to locate the library. If you use [INFO] [stderr] non-standard installation of Themis then you can help pkg-config [INFO] [stderr] to locate your library by setting the PKG_CONFIG_PATH environment [INFO] [stderr] variable to the path where `libthemis.pc` file is located. [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] pkg-config exited with status code 1 [INFO] [stderr] > PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 pkg-config --libs --cflags libthemis [INFO] [stderr] [INFO] [stderr] The system library `libthemis` required by crate `libthemis-sys` was not found. [INFO] [stderr] The file `libthemis.pc` needs to be installed and the PKG_CONFIG_PATH environment variable must contain its parent directory. [INFO] [stderr] The PKG_CONFIG_PATH environment variable is not set. [INFO] [stderr] [INFO] [stderr] HINT: if you have installed the library, try setting PKG_CONFIG_PATH to the directory containing `libthemis.pc`. [INFO] [stderr] [INFO] [stderr] `libthemis-sys` also tried to use standard system paths, but without success. [INFO] [stderr] It seems that Themis is really not installed in your system. [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] thread 'main' (354) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libthemis-sys-0.14.0/build.rs:66:17: [INFO] [stderr] Themis Core not installed [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x57d500e95692 - std::backtrace_rs::backtrace::libunwind::trace::h76861be37b31432e [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x57d500e95692 - std::backtrace_rs::backtrace::trace_unsynchronized::h58d4003082192c17 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x57d500e95692 - std::sys::backtrace::_print_fmt::hfe5857a399620d2a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x57d500e95692 - ::fmt::h52160e9da139e442 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x57d500ea5fdf - core::fmt::rt::Argument::fmt::h66fe6fef9ecca14a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x57d500ea5fdf - core::fmt::write::hf09a056a304e021a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x57d500e64b11 - std::io::default_write_fmt::h7567c5950fb0173c [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x57d500e64b11 - std::io::Write::write_fmt::h361c7127187cda65 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x57d500e702a2 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x57d500e731dc - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x57d500e73036 - std::panicking::default_hook::h8d20506cf72e4831 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x57d500e73865 - std::panicking::panic_with_hook::h746880a052e02c85 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x57d500e72f2c - std::panicking::begin_panic::{{closure}}::h90f509d0ce56dcf8 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:771:9 [INFO] [stderr] 13: 0x57d500e703e9 - std::sys::backtrace::__rust_end_short_backtrace::h979a48b505515cda [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x57d500e72ef2 - std::panicking::begin_panic::h9756318d0a5bc692 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:770:5 [INFO] [stderr] 15: 0x57d500dc1347 - build_script_build::main::h20cf50783effa7dc [INFO] [stderr] 16: 0x57d500dc1673 - core::ops::function::FnOnce::call_once::h63178d046b3a5536 [INFO] [stderr] 17: 0x57d500dc15e6 - std::sys::backtrace::__rust_begin_short_backtrace::h451a28e7fffc7794 [INFO] [stderr] 18: 0x57d500dc15c9 - std::rt::lang_start::{{closure}}::h55c794bea7c8d709 [INFO] [stderr] 19: 0x57d500e66660 - core::ops::function::impls:: for &F>::call_once::h92f7271baace0227 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 20: 0x57d500e66660 - std::panicking::catch_unwind::do_call::hab80bc7615f9a56f [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stderr] 21: 0x57d500e66660 - std::panicking::catch_unwind::h44920ff533ed11dd [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stderr] 22: 0x57d500e66660 - std::panic::catch_unwind::hbc4760794652046f [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stderr] 23: 0x57d500e66660 - std::rt::lang_start_internal::{{closure}}::h017b9ee7d9dfccf2 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:175:24 [INFO] [stderr] 24: 0x57d500e66660 - std::panicking::catch_unwind::do_call::h5c448dae61c3a22b [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40 [INFO] [stderr] 25: 0x57d500e66660 - std::panicking::catch_unwind::ha3a2750d16137715 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19 [INFO] [stderr] 26: 0x57d500e66660 - std::panic::catch_unwind::ha56344eb931bca1a [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x57d500e66660 - std::rt::lang_start_internal::h4e6c18fadc4e7470 [INFO] [stderr] at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:171:5 [INFO] [stderr] 28: 0x57d500dc15b1 - std::rt::lang_start::h91fbed7f28c2e34b [INFO] [stderr] 29: 0x57d500dc1cc5 - main [INFO] [stderr] 30: 0x73ead61e81ca - [INFO] [stderr] 31: 0x73ead61e828b - __libc_start_main [INFO] [stderr] 32: 0x57d500dc0dc5 - _start [INFO] [stderr] 33: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2bed3dc027528c582ddddae475c1523c9ddc929f057f70f7930e36ddd21d6a6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bed3dc027528c582ddddae475c1523c9ddc929f057f70f7930e36ddd21d6a6c", kill_on_drop: false }` [INFO] [stdout] 2bed3dc027528c582ddddae475c1523c9ddc929f057f70f7930e36ddd21d6a6c