[INFO] fetching crate gpio-cdev 0.2.0... [INFO] checking gpio-cdev-0.2.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate gpio-cdev 0.2.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate gpio-cdev 0.2.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate gpio-cdev 0.2.0 [INFO] finished tweaking crates.io crate gpio-cdev 0.2.0 [INFO] tweaked toml for crates.io crate gpio-cdev 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 31430c00b7cecda9db1fa2034e5072683a567cd03f4bf1153b7358f74b179258 [INFO] running `"docker" "start" "-a" "31430c00b7cecda9db1fa2034e5072683a567cd03f4bf1153b7358f74b179258"` [INFO] [stderr] Checking nix v0.11.1 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking rayon v0.9.0 [INFO] [stderr] Checking quicli v0.2.0 [INFO] [stderr] Checking gpio-cdev v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:332:1 [INFO] [stderr] | [INFO] [stderr] 332 | / /// Line Request Flags [INFO] [stderr] 333 | | /// [INFO] [stderr] 334 | | /// Maps to kernel [`GPIOHANDLE_REQUEST_*`] flags. [INFO] [stderr] 335 | | /// [INFO] [stderr] 336 | | /// [`GPIOHANDLE_REQUEST_*`]: https://elixir.bootlin.com/linux/v4.9.127/source/include/uapi/linux/gpio.h#L58 [INFO] [stderr] | |____________________________________________________________________________________________________________^ [INFO] [stderr] 337 | / bitflags! { [INFO] [stderr] 338 | | pub struct LineRequestFlags: libc::uint32_t { [INFO] [stderr] 339 | | const INPUT = (1 << 0); [INFO] [stderr] 340 | | const OUTPUT = (1 << 1); [INFO] [stderr] ... | [INFO] [stderr] 344 | | } [INFO] [stderr] 345 | | } [INFO] [stderr] | |_- rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:347:1 [INFO] [stderr] | [INFO] [stderr] 347 | / /// Event request flags [INFO] [stderr] 348 | | /// [INFO] [stderr] 349 | | /// Maps to kernel [`GPIOEVENT_REQEST_*`] flags. [INFO] [stderr] 350 | | /// [INFO] [stderr] 351 | | /// [`GPIOEVENT_REQUEST_*`]: https://elixir.bootlin.com/linux/v4.9.127/source/include/uapi/linux/gpio.h#L109 [INFO] [stderr] | |____________________________________________________________________________________________________________^ [INFO] [stderr] 352 | / bitflags! { [INFO] [stderr] 353 | | pub struct EventRequestFlags: libc::uint32_t { [INFO] [stderr] 354 | | const RISING_EDGE = (1 << 0); [INFO] [stderr] 355 | | const FALLING_EDGE = (1 << 1); [INFO] [stderr] 356 | | const BOTH_EDGES = Self::RISING_EDGE.bits | Self::FALLING_EDGE.bits; [INFO] [stderr] 357 | | } [INFO] [stderr] 358 | | } [INFO] [stderr] | |_- rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:360:1 [INFO] [stderr] | [INFO] [stderr] 360 | / /// Informational Flags [INFO] [stderr] 361 | | /// [INFO] [stderr] 362 | | /// Maps to kernel [`GPIOLINE_FLAG_*`] flags. [INFO] [stderr] 363 | | /// [INFO] [stderr] 364 | | /// [`GPIOLINE_FLAG_*`]: https://elixir.bootlin.com/linux/v4.9.127/source/include/uapi/linux/gpio.h#L29 [INFO] [stderr] | |_______________________________________________________________________________________________________^ [INFO] [stderr] 365 | / bitflags! { [INFO] [stderr] 366 | | pub struct LineFlags: libc::uint32_t { [INFO] [stderr] 367 | | const KERNEL = (1 << 0); [INFO] [stderr] 368 | | const IS_OUT = (1 << 1); [INFO] [stderr] ... | [INFO] [stderr] 372 | | } [INFO] [stderr] 373 | | } [INFO] [stderr] | |_- rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:332:1 [INFO] [stderr] | [INFO] [stderr] 332 | / /// Line Request Flags [INFO] [stderr] 333 | | /// [INFO] [stderr] 334 | | /// Maps to kernel [`GPIOHANDLE_REQUEST_*`] flags. [INFO] [stderr] 335 | | /// [INFO] [stderr] 336 | | /// [`GPIOHANDLE_REQUEST_*`]: https://elixir.bootlin.com/linux/v4.9.127/source/include/uapi/linux/gpio.h#L58 [INFO] [stderr] | |____________________________________________________________________________________________________________^ [INFO] [stderr] 337 | / bitflags! { [INFO] [stderr] 338 | | pub struct LineRequestFlags: libc::uint32_t { [INFO] [stderr] 339 | | const INPUT = (1 << 0); [INFO] [stderr] 340 | | const OUTPUT = (1 << 1); [INFO] [stderr] ... | [INFO] [stderr] 344 | | } [INFO] [stderr] 345 | | } [INFO] [stderr] | |_- rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:347:1 [INFO] [stderr] | [INFO] [stderr] 347 | / /// Event request flags [INFO] [stderr] 348 | | /// [INFO] [stderr] 349 | | /// Maps to kernel [`GPIOEVENT_REQEST_*`] flags. [INFO] [stderr] 350 | | /// [INFO] [stderr] 351 | | /// [`GPIOEVENT_REQUEST_*`]: https://elixir.bootlin.com/linux/v4.9.127/source/include/uapi/linux/gpio.h#L109 [INFO] [stderr] | |____________________________________________________________________________________________________________^ [INFO] [stderr] 352 | / bitflags! { [INFO] [stderr] 353 | | pub struct EventRequestFlags: libc::uint32_t { [INFO] [stderr] 354 | | const RISING_EDGE = (1 << 0); [INFO] [stderr] 355 | | const FALLING_EDGE = (1 << 1); [INFO] [stderr] 356 | | const BOTH_EDGES = Self::RISING_EDGE.bits | Self::FALLING_EDGE.bits; [INFO] [stderr] 357 | | } [INFO] [stderr] 358 | | } [INFO] [stderr] | |_- rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:360:1 [INFO] [stderr] | [INFO] [stderr] 360 | / /// Informational Flags [INFO] [stderr] 361 | | /// [INFO] [stderr] 362 | | /// Maps to kernel [`GPIOLINE_FLAG_*`] flags. [INFO] [stderr] 363 | | /// [INFO] [stderr] 364 | | /// [`GPIOLINE_FLAG_*`]: https://elixir.bootlin.com/linux/v4.9.127/source/include/uapi/linux/gpio.h#L29 [INFO] [stderr] | |_______________________________________________________________________________________________________^ [INFO] [stderr] 365 | / bitflags! { [INFO] [stderr] 366 | | pub struct LineFlags: libc::uint32_t { [INFO] [stderr] 367 | | const KERNEL = (1 << 0); [INFO] [stderr] 368 | | const IS_OUT = (1 << 1); [INFO] [stderr] ... | [INFO] [stderr] 372 | | } [INFO] [stderr] 373 | | } [INFO] [stderr] | |_- rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/lib.rs:338:34 [INFO] [stderr] | [INFO] [stderr] 338 | pub struct LineRequestFlags: libc::uint32_t { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/lib.rs:353:35 [INFO] [stderr] | [INFO] [stderr] 353 | pub struct EventRequestFlags: libc::uint32_t { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/lib.rs:366:27 [INFO] [stderr] | [INFO] [stderr] 366 | pub struct LineFlags: libc::uint32_t { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/lib.rs:338:34 [INFO] [stderr] | [INFO] [stderr] 338 | pub struct LineRequestFlags: libc::uint32_t { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/lib.rs:194:53 [INFO] [stderr] | [INFO] [stderr] 194 | let mut info: ffi::gpiochip_info = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:18:16 [INFO] [stderr] | [INFO] [stderr] 18 | pub lines: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:23:22 [INFO] [stderr] | [INFO] [stderr] 23 | pub line_offset: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:24:16 [INFO] [stderr] | [INFO] [stderr] 24 | pub flags: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:31:23 [INFO] [stderr] | [INFO] [stderr] 31 | pub lineoffsets: [libc::uint32_t; GPIOHANDLES_MAX], [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:32:16 [INFO] [stderr] | [INFO] [stderr] 32 | pub flags: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead. [INFO] [stderr] --> src/ffi.rs:33:26 [INFO] [stderr] | [INFO] [stderr] 33 | pub default_values: [libc::uint8_t; GPIOHANDLES_MAX], [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:35:16 [INFO] [stderr] | [INFO] [stderr] 35 | pub lines: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead. [INFO] [stderr] --> src/ffi.rs:41:18 [INFO] [stderr] | [INFO] [stderr] 41 | pub values: [libc::uint8_t; GPIOHANDLES_MAX], [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:46:21 [INFO] [stderr] | [INFO] [stderr] 46 | pub lineoffset: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:47:22 [INFO] [stderr] | [INFO] [stderr] 47 | pub handleflags: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | pub eventflags: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead. [INFO] [stderr] --> src/ffi.rs:55:20 [INFO] [stderr] | [INFO] [stderr] 55 | pub timestamp: libc::uint64_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:56:13 [INFO] [stderr] | [INFO] [stderr] 56 | pub id: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/lib.rs:338:34 [INFO] [stderr] | [INFO] [stderr] 338 | pub struct LineRequestFlags: libc::uint32_t { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/lib.rs:353:35 [INFO] [stderr] | [INFO] [stderr] 353 | pub struct EventRequestFlags: libc::uint32_t { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/lib.rs:366:27 [INFO] [stderr] | [INFO] [stderr] 366 | pub struct LineFlags: libc::uint32_t { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/lib.rs:338:34 [INFO] [stderr] | [INFO] [stderr] 338 | pub struct LineRequestFlags: libc::uint32_t { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/lib.rs:194:53 [INFO] [stderr] | [INFO] [stderr] 194 | let mut info: ffi::gpiochip_info = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:18:16 [INFO] [stderr] | [INFO] [stderr] 18 | pub lines: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:23:22 [INFO] [stderr] | [INFO] [stderr] 23 | pub line_offset: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:24:16 [INFO] [stderr] | [INFO] [stderr] 24 | pub flags: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:31:23 [INFO] [stderr] | [INFO] [stderr] 31 | pub lineoffsets: [libc::uint32_t; GPIOHANDLES_MAX], [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:32:16 [INFO] [stderr] | [INFO] [stderr] 32 | pub flags: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead. [INFO] [stderr] --> src/ffi.rs:33:26 [INFO] [stderr] | [INFO] [stderr] 33 | pub default_values: [libc::uint8_t; GPIOHANDLES_MAX], [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:35:16 [INFO] [stderr] | [INFO] [stderr] 35 | pub lines: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead. [INFO] [stderr] --> src/ffi.rs:41:18 [INFO] [stderr] | [INFO] [stderr] 41 | pub values: [libc::uint8_t; GPIOHANDLES_MAX], [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:46:21 [INFO] [stderr] | [INFO] [stderr] 46 | pub lineoffset: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:47:22 [INFO] [stderr] | [INFO] [stderr] 47 | pub handleflags: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:48:21 [INFO] [stderr] | [INFO] [stderr] 48 | pub eventflags: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead. [INFO] [stderr] --> src/ffi.rs:55:20 [INFO] [stderr] | [INFO] [stderr] 55 | pub timestamp: libc::uint64_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead. [INFO] [stderr] --> src/ffi.rs:56:13 [INFO] [stderr] | [INFO] [stderr] 56 | pub id: libc::uint32_t, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.99s [INFO] running `"docker" "inspect" "31430c00b7cecda9db1fa2034e5072683a567cd03f4bf1153b7358f74b179258"` [INFO] running `"docker" "rm" "-f" "31430c00b7cecda9db1fa2034e5072683a567cd03f4bf1153b7358f74b179258"` [INFO] [stdout] 31430c00b7cecda9db1fa2034e5072683a567cd03f4bf1153b7358f74b179258