[INFO] fetching crate btrfsutil 0.2.0...
[INFO] checking btrfsutil-0.2.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate btrfsutil 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate btrfsutil 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate btrfsutil 0.2.0
[INFO] tweaked toml for crates.io crate btrfsutil 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate btrfsutil 0.2.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate btrfsutil 0.2.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f79209118a1b2a3cd9c5620204073a79cfc311e138b861b7203f7f82e3f0be4d
[INFO] running `Command { std: "docker" "start" "-a" "f79209118a1b2a3cd9c5620204073a79cfc311e138b861b7203f7f82e3f0be4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f79209118a1b2a3cd9c5620204073a79cfc311e138b861b7203f7f82e3f0be4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f79209118a1b2a3cd9c5620204073a79cfc311e138b861b7203f7f82e3f0be4d", kill_on_drop: false }`
[INFO] [stdout] f79209118a1b2a3cd9c5620204073a79cfc311e138b861b7203f7f82e3f0be4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d4ea6e21cafbb0ea58aa5216b4729d590b988a7c9a814b385fe6abfaaefb3bb
[INFO] running `Command { std: "docker" "start" "-a" "1d4ea6e21cafbb0ea58aa5216b4729d590b988a7c9a814b385fe6abfaaefb3bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling prettyplease v0.2.12
[INFO] [stderr]    Compiling serde v1.0.178
[INFO] [stderr]    Compiling serde_derive v1.0.178
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]    Compiling regex-automata v0.3.4
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking libmount v0.1.15
[INFO] [stderr]     Checking tempfile v3.7.0
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling loopdev v0.4.0
[INFO] [stderr]    Compiling btrfsutil-sys v1.3.0
[INFO] [stderr] error: failed to run custom build command for `loopdev v0.4.0`
[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/loopdev-968f7e27f8ddc7cc/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (933) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.66/src/fallback.rs:774:9:
[INFO] [stderr]   "enum_(unnamed_at_/usr/include/linux/loop_h_16_1)" is not a valid Ident
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x63af887f9332 - std::backtrace_rs::backtrace::libunwind::trace::hbea4c4361d976d9f
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x63af887f9332 - std::backtrace_rs::backtrace::trace_unsynchronized::h24ac09a275696d40
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x63af887f9332 - std::sys::backtrace::_print_fmt::h082519eb085fbf7d
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x63af887f9332 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h2cd9656577aefc6d
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x63af8881950f - core::fmt::rt::Argument::fmt::h12bc9925885d5110
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x63af8881950f - core::fmt::write::h5bf12ce417f28db4
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x63af887ea743 - std::io::default_write_fmt::h6670289da6979956
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x63af887ea743 - std::io::Write::write_fmt::h279920046451d90f
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x63af887f94b2 - std::sys::backtrace::BacktraceLock::print::h80e4c589a4f701f2
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x63af887e795c - std::panicking::default_hook::{{closure}}::h15ddaac16a5a7446
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x63af887e779e - std::panicking::default_hook::hb187b31075710008
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x63af887e6c2f - std::panicking::panic_with_hook::h13a15813804ea1a7
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x63af887f956a - std::panicking::panic_handler::{{closure}}::h6e8a7899819f7e8e
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x63af887f94c9 - std::sys::backtrace::__rust_end_short_backtrace::h9ee05d6aba5d3318
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x63af887e6e3d - __rustc[106fd6a171f8100f]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x63af88823970 - core::panicking::panic_fmt::h1f7e7fb8eac469a1
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x63af887b07ca - proc_macro2::fallback::validate_ident::h57a31e802290c869
[INFO] [stderr]     17:     0x63af887b03c9 - proc_macro2::fallback::Ident::_new::h6763162ee94da67d
[INFO] [stderr]     18:     0x63af887afb6f - proc_macro2::fallback::Ident::new::h3fded0ac3efeb2e7
[INFO] [stderr]     19:     0x63af887ae548 - proc_macro2::imp::Ident::new::h51a2c866d1604abc
[INFO] [stderr]     20:     0x63af887bcd18 - proc_macro2::Ident::new::hc7676da3b2da5203
[INFO] [stderr]     21:     0x63af884989ef - bindgen::ir::context::BindgenContext::rust_ident_raw::h5f0f9ee3d058e9fc
[INFO] [stderr]     22:     0x63af88496a80 - bindgen::ir::context::BindgenContext::rust_ident::h9977f6d8908ad5cf
[INFO] [stderr]     23:     0x63af884eea9e - <bindgen::ir::enum_ty::Enum as bindgen::codegen::CodeGenerator>::codegen::hf5abaf8f9a6b8185
[INFO] [stderr]     24:     0x63af884ea736 - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h7249574e363d33f3
[INFO] [stderr]     25:     0x63af8852f91d - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h4eb67c9e74acb84d
[INFO] [stderr]     26:     0x63af88546b15 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::h676453e2a88844a4
[INFO] [stderr]     27:     0x63af88525195 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::h11a842c462a06ee4
[INFO] [stderr]     28:     0x63af8852f902 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h4eb67c9e74acb84d
[INFO] [stderr]     29:     0x63af8854559e - bindgen::codegen::codegen::{{closure}}::hb924ba5db2a4e7ff
[INFO] [stderr]     30:     0x63af8849c2e8 - bindgen::ir::context::BindgenContext::gen::h8f4cd4a543fe5d4b
[INFO] [stderr]     31:     0x63af885484dd - bindgen::codegen::codegen::hf9e36989b3c57eec
[INFO] [stderr]     32:     0x63af88481e2d - bindgen::Bindings::generate::h3932caa0bf3c95a9
[INFO] [stderr]     33:     0x63af88482b4b - bindgen::Builder::generate::hfb79226a8b0a04c1
[INFO] [stderr]     34:     0x63af88469275 - build_script_build::main::hccaebd8a774399d5
[INFO] [stderr]     35:     0x63af884696c3 - core::ops::function::FnOnce::call_once::h088c4357b2b16e83
[INFO] [stderr]     36:     0x63af88469796 - std::sys::backtrace::__rust_begin_short_backtrace::h82ffad3aa4f875d7
[INFO] [stderr]     37:     0x63af884690e9 - std::rt::lang_start::{{closure}}::hfe457232edd4bdd2
[INFO] [stderr]     38:     0x63af887f9cf0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hf041d389344f56bb
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     39:     0x63af887f9cf0 - std::panicking::catch_unwind::do_call::hcc878ac5325385ca
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:590:40
[INFO] [stderr]     40:     0x63af887f9cf0 - std::panicking::catch_unwind::h19b909e5851b1ecc
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:553:19
[INFO] [stderr]     41:     0x63af887f9cf0 - std::panic::catch_unwind::hf7b61f0d85beddf7
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     42:     0x63af887f9cf0 - std::rt::lang_start_internal::{{closure}}::hf4a2cf218490b1eb
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/rt.rs:175:24
[INFO] [stderr]     43:     0x63af887f9cf0 - std::panicking::catch_unwind::do_call::h87d50ac29e3f2ea1
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:590:40
[INFO] [stderr]     44:     0x63af887f9cf0 - std::panicking::catch_unwind::h74fa98d980427683
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panicking.rs:553:19
[INFO] [stderr]     45:     0x63af887f9cf0 - std::panic::catch_unwind::hea88d035b3883372
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     46:     0x63af887f9cf0 - std::rt::lang_start_internal::h9835821d1cda1ad4
[INFO] [stderr]                                  at /rustc/c659ee110de67e82444e4b6c8407c1a9af9c2cf6/library/std/src/rt.rs:171:5
[INFO] [stderr]     47:     0x63af88469121 - std::rt::lang_start::h0fbe108dfd27a918
[INFO] [stderr]     48:     0x63af8846a795 - main
[INFO] [stderr]     49:     0x75b168bdc1ca - <unknown>
[INFO] [stderr]     50:     0x75b168bdc28b - __libc_start_main
[INFO] [stderr]     51:     0x63af884688a5 - _start
[INFO] [stderr]     52:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1d4ea6e21cafbb0ea58aa5216b4729d590b988a7c9a814b385fe6abfaaefb3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d4ea6e21cafbb0ea58aa5216b4729d590b988a7c9a814b385fe6abfaaefb3bb", kill_on_drop: false }`
[INFO] [stdout] 1d4ea6e21cafbb0ea58aa5216b4729d590b988a7c9a814b385fe6abfaaefb3bb