[INFO] fetching crate loopdev 0.4.0...
[INFO] testing loopdev-0.4.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate loopdev 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate loopdev 0.4.0
[INFO] finished tweaking crates.io crate loopdev 0.4.0
[INFO] tweaked toml for crates.io crate loopdev 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate loopdev 0.4.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.59.2 (available: v0.72.1)
[INFO] [stderr]       Adding errno v0.2.8 (available: v0.3.14)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57c034333b045cc3c833b869e74b84360f37333f720d4ff01d9566aecf17f55a
[INFO] running `Command { std: "docker" "start" "-a" "57c034333b045cc3c833b869e74b84360f37333f720d4ff01d9566aecf17f55a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57c034333b045cc3c833b869e74b84360f37333f720d4ff01d9566aecf17f55a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c034333b045cc3c833b869e74b84360f37333f720d4ff01d9566aecf17f55a", kill_on_drop: false }`
[INFO] [stdout] 57c034333b045cc3c833b869e74b84360f37333f720d4ff01d9566aecf17f55a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 735a490dcb48992445c09ce18de78b9bff88edfd6ecf7a73d30d82ed549f3f7f
[INFO] running `Command { std: "docker" "start" "-a" "735a490dcb48992445c09ce18de78b9bff88edfd6ecf7a73d30d82ed549f3f7f", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling loopdev v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `loopdev v0.4.0 (/opt/rustwide/workdir)`
[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/loopdev-ccbb79d19f709ffc/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (160) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bindgen-0.59.2/src/ir/context.rs:878:9:
[INFO] [stderr]   "enum_(unnamed_at_/usr/include/linux/loop_h_16_1)" is not a valid Ident
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5a0b28c6538a - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5a0b28c6538a - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5a0b28c6538a - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5a0b28c6538a - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5a0b28c7ab1a - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5a0b28c7ab1a - core[fa0eadad68403074]::fmt::write
[INFO] [stderr]      6:     0x5a0b28c6a302 - std[31e582c13f4e914f]::io::default_write_fmt::<std[31e582c13f4e914f]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5a0b28c6a302 - <std[31e582c13f4e914f]::sys::stdio::unix::Stderr as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5a0b28c4854f - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5a0b28c4854f - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5a0b28c5fc61 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5a0b28c5fedb - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5a0b28c48608 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5a0b28c3d759 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5a0b28c48f6d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5a0b28c7b35c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5a0b28c0da9c - proc_macro2[aa1cdf0c651406c2]::fallback::validate_ident
[INFO] [stderr]     17:     0x5a0b28c0ceb8 - <proc_macro2[aa1cdf0c651406c2]::fallback::Ident>::new_checked
[INFO] [stderr]     18:     0x5a0b28c12ff2 - <proc_macro2[aa1cdf0c651406c2]::imp::Ident>::new_checked
[INFO] [stderr]     19:     0x5a0b28c201c7 - <proc_macro2[aa1cdf0c651406c2]::Ident>::new
[INFO] [stderr]     20:     0x5a0b289a6d16 - <bindgen[9272d61374ee9e84]::ir::context::BindgenContext>::rust_ident_raw::<alloc[49b8922c36ca62de]::borrow::Cow<str>>
[INFO] [stderr]     21:     0x5a0b289a6670 - <bindgen[9272d61374ee9e84]::ir::context::BindgenContext>::rust_ident::<&alloc[49b8922c36ca62de]::string::String>
[INFO] [stderr]     22:     0x5a0b28968bf6 - <bindgen[9272d61374ee9e84]::ir::enum_ty::Enum as bindgen[9272d61374ee9e84]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     23:     0x5a0b2896093e - <bindgen[9272d61374ee9e84]::ir::ty::Type as bindgen[9272d61374ee9e84]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     24:     0x5a0b289dcc38 - <bindgen[9272d61374ee9e84]::ir::item::Item as bindgen[9272d61374ee9e84]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     25:     0x5a0b288e76c5 - <bindgen[9272d61374ee9e84]::ir::module::Module as bindgen[9272d61374ee9e84]::codegen::CodeGenerator>::codegen::{closure#0}
[INFO] [stderr]     26:     0x5a0b2895fd0a - <bindgen[9272d61374ee9e84]::ir::module::Module as bindgen[9272d61374ee9e84]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     27:     0x5a0b289dcc1d - <bindgen[9272d61374ee9e84]::ir::item::Item as bindgen[9272d61374ee9e84]::codegen::CodeGenerator>::codegen
[INFO] [stderr]     28:     0x5a0b288e6f2c - bindgen[9272d61374ee9e84]::codegen::codegen::{closure#0}
[INFO] [stderr]     29:     0x5a0b289a7f98 - <bindgen[9272d61374ee9e84]::ir::context::BindgenContext>::gen::<bindgen[9272d61374ee9e84]::codegen::codegen::{closure#0}, alloc[49b8922c36ca62de]::vec::Vec<proc_macro2[aa1cdf0c651406c2]::TokenStream>>
[INFO] [stderr]     30:     0x5a0b288f2b6f - bindgen[9272d61374ee9e84]::codegen::codegen
[INFO] [stderr]     31:     0x5a0b28a09b68 - <bindgen[9272d61374ee9e84]::Bindings>::generate
[INFO] [stderr]     32:     0x5a0b28a0690f - <bindgen[9272d61374ee9e84]::Builder>::generate
[INFO] [stderr]     33:     0x5a0b288cf945 - build_script_build[6a4dbee8170700f7]::main
[INFO] [stderr]     34:     0x5a0b288d0973 - <fn() as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     35:     0x5a0b288cf856 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     36:     0x5a0b288cf869 - std[31e582c13f4e914f]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     37:     0x5a0b28c5edb4 - <&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     38:     0x5a0b28c5edb4 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stderr]     39:     0x5a0b28c5edb4 - std[31e582c13f4e914f]::panicking::catch_unwind::<i32, &dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     40:     0x5a0b28c5edb4 - std[31e582c13f4e914f]::panic::catch_unwind::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stderr]     41:     0x5a0b28c5edb4 - std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:175:24
[INFO] [stderr]     42:     0x5a0b28c5edb4 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stderr]     43:     0x5a0b28c5edb4 - std[31e582c13f4e914f]::panicking::catch_unwind::<isize, std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     44:     0x5a0b28c5edb4 - std[31e582c13f4e914f]::panic::catch_unwind::<std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stderr]     45:     0x5a0b28c5edb4 - std[31e582c13f4e914f]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:171:5
[INFO] [stderr]     46:     0x5a0b288cf7d1 - std[31e582c13f4e914f]::rt::lang_start::<()>
[INFO] [stderr]     47:     0x5a0b288d0c75 - main
[INFO] [stderr]     48:     0x78b6ce4c71ca - <unknown>
[INFO] [stderr]     49:     0x78b6ce4c728b - __libc_start_main
[INFO] [stderr]     50:     0x5a0b288cf2c5 - _start
[INFO] [stderr]     51:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "735a490dcb48992445c09ce18de78b9bff88edfd6ecf7a73d30d82ed549f3f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735a490dcb48992445c09ce18de78b9bff88edfd6ecf7a73d30d82ed549f3f7f", kill_on_drop: false }`
[INFO] [stdout] 735a490dcb48992445c09ce18de78b9bff88edfd6ecf7a73d30d82ed549f3f7f