[INFO] fetching crate clipclean 0.2.4... [INFO] checking clipclean-0.2.4 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] extracting crate clipclean 0.2.4 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate clipclean 0.2.4 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate clipclean 0.2.4 [INFO] finished tweaking crates.io crate clipclean 0.2.4 [INFO] tweaked toml for crates.io crate clipclean 0.2.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate clipclean 0.2.4 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zvariant_derive v2.5.0 [INFO] [stderr] Downloaded enumflags2_derive v0.6.4 [INFO] [stderr] Downloaded unicode-normalization v0.1.12 [INFO] [stderr] Downloaded enumflags2 v0.6.4 [INFO] [stderr] Downloaded smallvec v1.2.0 [INFO] [stderr] Downloaded zbus v1.3.0 [INFO] [stderr] Downloaded strum v0.8.0 [INFO] [stderr] Downloaded strum_macros v0.8.0 [INFO] [stderr] Downloaded zvariant v2.5.0 [INFO] [stderr] Downloaded notify-rust v4.3.0 [INFO] [stderr] Downloaded xml-rs v0.6.1 [INFO] [stderr] Downloaded winrt-notification v0.2.4 [INFO] [stderr] Downloaded serde_repr v0.1.6 [INFO] [stderr] Downloaded nix v0.17.0 [INFO] [stderr] Downloaded zbus_macros v1.3.0 [INFO] [stderr] Downloaded libc v0.2.87 [INFO] [stderr] Downloaded winrt v0.4.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7072209257847375b4fdceb3943acbf45ebed59bb92310f2d96b4d01c5895f8 [INFO] running `Command { std: "docker" "start" "-a" "c7072209257847375b4fdceb3943acbf45ebed59bb92310f2d96b4d01c5895f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7072209257847375b4fdceb3943acbf45ebed59bb92310f2d96b4d01c5895f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7072209257847375b4fdceb3943acbf45ebed59bb92310f2d96b4d01c5895f8", kill_on_drop: false }` [INFO] [stdout] c7072209257847375b4fdceb3943acbf45ebed59bb92310f2d96b4d01c5895f8 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17d1ff8baee88f8197bf3744da2826b25aba9d4837ca0fb817672f9555b6e343 [INFO] running `Command { std: "docker" "start" "-a" "17d1ff8baee88f8197bf3744da2826b25aba9d4837ca0fb817672f9555b6e343", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.61 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling libc v0.2.87 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking scoped-tls v1.0.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] error: failed to run custom build command for `xcb v0.8.2` [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/xcb-9a5722464c3d011b/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error occured in handler: ('request: ', ('xcb', 'Xinerama', 'QueryScreens')) [INFO] [stderr] Traceback (most recent call last): [INFO] [stderr] File "/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/rs_client.py", line 2448, in [INFO] [stderr] module.generate() [INFO] [stderr] File "/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/xcbgen/state.py", line 108, in generate [INFO] [stderr] self.close() [INFO] [stderr] File "/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/rs_client.py", line 296, in rs_close [INFO] [stderr] _f.writeout(os.path.join(module.rs_srcdir, "ffi", "%s.rs" % _module_name(_ns.ext_name))) [INFO] [stderr] File "/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/rs_client.py", line 114, in writeout [INFO] [stderr] with open(path, 'w') as f: [INFO] [stderr] OSError: [Errno 30] Read-only file system: '/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/src/ffi/xinerama.rs' [INFO] [stderr] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/build.rs:75:17: [INFO] [stderr] processing of /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/xcb-0.8.2/xml/xinerama.xml returned non-zero (1) [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5648b9ccc4a5 - std::backtrace_rs::backtrace::libunwind::trace::hb0d415bcff8c04ff [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stderr] 1: 0x5648b9ccc4a5 - std::backtrace_rs::backtrace::trace_unsynchronized::hd3beb7af6a65b2fb [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5648b9ccc4a5 - std::sys_common::backtrace::_print_fmt::hb94d89680d7f5d1c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stderr] 3: 0x5648b9ccc4a5 - ::fmt::h42d21e2ba62fd274 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x5648b9ced6eb - core::fmt::rt::Argument::fmt::h8932bbbd2b9c37fe [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/fmt/rt.rs:142:9 [INFO] [stderr] 5: 0x5648b9ced6eb - core::fmt::write::h672f14b769052340 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/fmt/mod.rs:1153:17 [INFO] [stderr] 6: 0x5648b9cca19f - std::io::Write::write_fmt::h4d626b1d019eca5c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/io/mod.rs:1843:15 [INFO] [stderr] 7: 0x5648b9ccc27e - std::sys_common::backtrace::_print::h745e446c2e03c5ca [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 8: 0x5648b9ccc27e - std::sys_common::backtrace::print::hf0f0fa4fb70dca2c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 9: 0x5648b9ccd889 - std::panicking::default_hook::{{closure}}::h607769b198639ae5 [INFO] [stderr] 10: 0x5648b9ccd5f3 - std::panicking::default_hook::h1e5811a5a9298ba1 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:292:9 [INFO] [stderr] 11: 0x5648b9ccdd24 - std::panicking::rust_panic_with_hook::hd0c5dc40875c06ef [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:789:13 [INFO] [stderr] 12: 0x5648b9ccdc06 - std::panicking::begin_panic_handler::{{closure}}::hde3f6d4bced89f43 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:658:13 [INFO] [stderr] 13: 0x5648b9ccc969 - std::sys_common::backtrace::__rust_end_short_backtrace::h88e846e54ebde2e3 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stderr] 14: 0x5648b9ccd937 - rust_begin_unwind [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:646:5 [INFO] [stderr] 15: 0x5648b9ca5fe6 - core::panicking::panic_fmt::h5ffad3fb9ad671e0 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/panicking.rs:72:14 [INFO] [stderr] 16: 0x5648b9cac16d - build_script_build::main::{{closure}}::h8bada7f108d7a38e [INFO] [stderr] 17: 0x5648b9caad06 - build_script_build::visit_xml::h36c5ca4f7a7db456 [INFO] [stderr] 18: 0x5648b9cab62c - build_script_build::main::h9af6880c29b9e678 [INFO] [stderr] 19: 0x5648b9ca7c63 - core::ops::function::FnOnce::call_once::he06b76022e1708bd [INFO] [stderr] 20: 0x5648b9ca69d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb3d6e895431fed3a [INFO] [stderr] 21: 0x5648b9ca7329 - std::rt::lang_start::{{closure}}::hdc3ff94a8f84fe26 [INFO] [stderr] 22: 0x5648b9cc72e1 - core::ops::function::impls:: for &F>::call_once::hf24a18568366726b [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 23: 0x5648b9cc72e1 - std::panicking::try::do_call::hfe98fb6a5c700fa1 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:553:40 [INFO] [stderr] 24: 0x5648b9cc72e1 - std::panicking::try::h887aaa509ba266ad [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:517:19 [INFO] [stderr] 25: 0x5648b9cc72e1 - std::panic::catch_unwind::hdb24f00ea5a307a8 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panic.rs:146:14 [INFO] [stderr] 26: 0x5648b9cc72e1 - std::rt::lang_start_internal::{{closure}}::hacbffc0b2f55d28c [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/rt.rs:148:48 [INFO] [stderr] 27: 0x5648b9cc72e1 - std::panicking::try::do_call::hc810c59098be8c17 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:553:40 [INFO] [stderr] 28: 0x5648b9cc72e1 - std::panicking::try::h0d072b82be5f3f03 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panicking.rs:517:19 [INFO] [stderr] 29: 0x5648b9cc72e1 - std::panic::catch_unwind::hb0e7e36556665803 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/panic.rs:146:14 [INFO] [stderr] 30: 0x5648b9cc72e1 - std::rt::lang_start_internal::h4207974af80a0725 [INFO] [stderr] at /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/rt.rs:148:20 [INFO] [stderr] 31: 0x5648b9ca7307 - std::rt::lang_start::h0f0f0b53d7e9ba7e [INFO] [stderr] 32: 0x5648b9cac1f5 - main [INFO] [stderr] 33: 0x7f0c5be14d90 - [INFO] [stderr] 34: 0x7f0c5be14e40 - __libc_start_main [INFO] [stderr] 35: 0x5648b9ca65d5 - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "17d1ff8baee88f8197bf3744da2826b25aba9d4837ca0fb817672f9555b6e343", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17d1ff8baee88f8197bf3744da2826b25aba9d4837ca0fb817672f9555b6e343", kill_on_drop: false }` [INFO] [stdout] 17d1ff8baee88f8197bf3744da2826b25aba9d4837ca0fb817672f9555b6e343 [INFO] checking clipclean-0.2.4 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] extracting crate clipclean 0.2.4 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate clipclean 0.2.4 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate clipclean 0.2.4 [INFO] finished tweaking crates.io crate clipclean 0.2.4 [INFO] tweaked toml for crates.io crate clipclean 0.2.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate clipclean 0.2.4 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1e0cf0dd0293394b96165fbc98baf224b7cf3d1af451c2f4b8010dc27ff7479c [INFO] running `Command { std: "docker" "start" "-a" "1e0cf0dd0293394b96165fbc98baf224b7cf3d1af451c2f4b8010dc27ff7479c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e0cf0dd0293394b96165fbc98baf224b7cf3d1af451c2f4b8010dc27ff7479c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e0cf0dd0293394b96165fbc98baf224b7cf3d1af451c2f4b8010dc27ff7479c", kill_on_drop: false }` [INFO] [stdout] 1e0cf0dd0293394b96165fbc98baf224b7cf3d1af451c2f4b8010dc27ff7479c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0397b564ada55e9290c87b54d7306773886d3dedc16c04bd8ec823ea93a5975f [INFO] running `Command { std: "docker" "start" "-a" "0397b564ada55e9290c87b54d7306773886d3dedc16c04bd8ec823ea93a5975f", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "0397b564ada55e9290c87b54d7306773886d3dedc16c04bd8ec823ea93a5975f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0397b564ada55e9290c87b54d7306773886d3dedc16c04bd8ec823ea93a5975f", kill_on_drop: false }` [INFO] [stdout] 0397b564ada55e9290c87b54d7306773886d3dedc16c04bd8ec823ea93a5975f