[INFO] cloning repository https://github.com/Leoid/CalcFuzzer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Leoid/CalcFuzzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeoid%2FCalcFuzzer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeoid%2FCalcFuzzer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b629f101c9b5b4109a4658d56d4bdc77bfca31d0 [INFO] testing Leoid/CalcFuzzer against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeoid%2FCalcFuzzer" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Leoid/CalcFuzzer on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1/source/.cargo/config [INFO] started tweaking git repo https://github.com/Leoid/CalcFuzzer [INFO] finished tweaking git repo https://github.com/Leoid/CalcFuzzer [INFO] tweaked toml for git repo https://github.com/Leoid/CalcFuzzer written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/Leoid/CalcFuzzer already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f3f97c0125b8ae58e436fba91c889ba252cbdea6b18278f469d1320f474275b1 [INFO] running `Command { std: "docker" "start" "-a" "f3f97c0125b8ae58e436fba91c889ba252cbdea6b18278f469d1320f474275b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f3f97c0125b8ae58e436fba91c889ba252cbdea6b18278f469d1320f474275b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3f97c0125b8ae58e436fba91c889ba252cbdea6b18278f469d1320f474275b1", kill_on_drop: false }` [INFO] [stdout] f3f97c0125b8ae58e436fba91c889ba252cbdea6b18278f469d1320f474275b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b93224615dc76cd8528bd420a1adf9dd88b3d4f7142d65718224bfefc88f19f8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b93224615dc76cd8528bd420a1adf9dd88b3d4f7142d65718224bfefc88f19f8", kill_on_drop: false }` [INFO] [stderr] Compiling fuzzer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | /// convert the title to UTF-16 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 110 | let mut title = str_to_utf16(title); [INFO] [stdout] | ------------------------------------ rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | ///Finds the window with 'title' [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 113 | / let ret = unsafe { [INFO] [stdout] 114 | | FindWindowW(std::ptr::null_mut(), title.as_mut_ptr()) [INFO] [stdout] 115 | | }; [INFO] [stdout] | |__________- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:116:9 [INFO] [stdout] | [INFO] [stdout] 116 | /// Generate some interesting keys [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 117 | let mut interesting_keys = Vec::new(); [INFO] [stdout] | -------------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:131:13 [INFO] [stdout] | [INFO] [stdout] 131 | /// Sucessfully got a handle to the window [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 132 | / return Ok(Window { [INFO] [stdout] 133 | | hwnd: ret, [INFO] [stdout] 134 | | seed: Cell::new(unsafe {core::arch::x86_64::_rdtsc()}), [INFO] [stdout] 135 | | interesting_keys, [INFO] [stdout] 136 | | [INFO] [stdout] 137 | | }); [INFO] [stdout] | |______________- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | /// FindWindow() failed, return out the corresponding error [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 141 | Err(Error::last_os_error()) [INFO] [stdout] | --------------------------- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:158:6 [INFO] [stdout] | [INFO] [stdout] 158 | /// Generate an array to pass directly to 'SendInput()' [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 159 | let mut win_inputs = Vec::new(); [INFO] [stdout] | -------------------------------- rustdoc does not generate documentation for statements [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | ///Create inputs based on each keyboard input [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 162 | / for &input in inputs.iter(){ [INFO] [stdout] 163 | | win_inputs.push(Input { [INFO] [stdout] 164 | | typ: InputType::Keyboard, [INFO] [stdout] 165 | | union: InputUnion { [INFO] [stdout] ... | [INFO] [stdout] 169 | | }); [INFO] [stdout] 170 | | } [INFO] [stdout] | |_____________- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:309:9 [INFO] [stdout] | [INFO] [stdout] 309 | /// Filter out sending inputs when we're not looking at 'window' [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 310 | / if unsafe { GetForegroundWindow() } != window.hwnd{ [INFO] [stdout] 311 | | std::thread::sleep_ms(10); [INFO] [stdout] 312 | | continue; [INFO] [stdout] 313 | | } [INFO] [stdout] | |______- rustdoc does not generate documentation for expressions [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep` [INFO] [stdout] --> src/main.rs:311:26 [INFO] [stdout] | [INFO] [stdout] 311 | std::thread::sleep_ms(10); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:332:5 [INFO] [stdout] | [INFO] [stdout] 308 | / loop { [INFO] [stdout] 309 | | /// Filter out sending inputs when we're not looking at 'window' [INFO] [stdout] 310 | | if unsafe { GetForegroundWindow() } != window.hwnd{ [INFO] [stdout] 311 | | std::thread::sleep_ms(10); [INFO] [stdout] ... | [INFO] [stdout] 330 | | } [INFO] [stdout] 331 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 332 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `PostMessageW` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | fn PostMessageW(hWnd: usize, msg: u32, wParam: usize, lParam: usize) -> usize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Mouse` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | Mouse = 0, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Hardware` [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | Hardware = 2, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `MsgType` [INFO] [stdout] --> src/main.rs:77:6 [INFO] [stdout] | [INFO] [stdout] 77 | enum MsgType{ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Back` [INFO] [stdout] --> src/main.rs:84:5 [INFO] [stdout] | [INFO] [stdout] 84 | Back = 0x08, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Return` [INFO] [stdout] --> src/main.rs:86:5 [INFO] [stdout] | [INFO] [stdout] 86 | Return = 0x10, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `interesting_keys` [INFO] [stdout] --> src/main.rs:104:5 [INFO] [stdout] | [INFO] [stdout] 104 | interesting_keys: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.fuzzer.9756faac-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604.34fdzqv3g6z92ooy.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lUser32" "-Wl,--start-group" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a46a068050a12a4b.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1df56095db9453cb.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-9062de483386e50b.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-b988ab269ff13602.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-1bc822d886d4f7bd.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-963eca8df4c224a6.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d805b480c9102e58.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-06dfdbc22b935051.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d7523a4d118e6572.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-5d7898c7fac3a07d.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-8c2bdbab4845bf3d.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-d578639df0547b30.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-58bbb7b1efa3a5e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4c9b082d197c16f8.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-70f9ed6d8e7a5ce6.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8c0a241d0360fa53.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-bad7ed93fdd31371.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-98b4d121af2b7335.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-1d9f7e5920635d15.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/fuzzer-e15cb92e11a2e604" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs" [INFO] [stdout] = note: /usr/bin/ld: cannot find -lUser32 [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fuzzer` due to 2 previous errors; 17 warnings emitted [INFO] running `Command { std: "docker" "inspect" "b93224615dc76cd8528bd420a1adf9dd88b3d4f7142d65718224bfefc88f19f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b93224615dc76cd8528bd420a1adf9dd88b3d4f7142d65718224bfefc88f19f8", kill_on_drop: false }` [INFO] [stdout] b93224615dc76cd8528bd420a1adf9dd88b3d4f7142d65718224bfefc88f19f8