[INFO] fetching crate btrfsutil 0.2.0...
[INFO] checking btrfsutil-0.2.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate btrfsutil 0.2.0 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate btrfsutil 0.2.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb0ad6ad2440faecece8fa6ab22e1e32a96e15ae86016873df5715897797478d
[INFO] running `Command { std: "docker" "start" "-a" "fb0ad6ad2440faecece8fa6ab22e1e32a96e15ae86016873df5715897797478d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb0ad6ad2440faecece8fa6ab22e1e32a96e15ae86016873df5715897797478d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb0ad6ad2440faecece8fa6ab22e1e32a96e15ae86016873df5715897797478d", kill_on_drop: false }`
[INFO] [stdout] fb0ad6ad2440faecece8fa6ab22e1e32a96e15ae86016873df5715897797478d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36c349006ed7c60370c9f5c2000be74395d61e827e0ebff015bb06bf787c4dbf
[INFO] running `Command { std: "docker" "start" "-a" "36c349006ed7c60370c9f5c2000be74395d61e827e0ebff015bb06bf787c4dbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling prettyplease v0.2.12
[INFO] [stderr]    Compiling serde v1.0.178
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling serde_derive v1.0.178
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling regex-automata v0.3.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking tempfile v3.7.0
[INFO] [stderr]     Checking libmount v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling loopdev v0.4.0
[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' 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:     0x6343438ef582 - std::backtrace_rs::backtrace::libunwind::trace::h35697ee4eba130ce
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x6343438ef582 - std::backtrace_rs::backtrace::trace_unsynchronized::h821d82358390ef61
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x6343438ef582 - std::sys::backtrace::_print_fmt::h9158bc717d508a77
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x6343438ef582 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5ed0d80c0838d532
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x634343915e33 - core::fmt::rt::Argument::fmt::h1fe7174bba1b124b
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x634343915e33 - core::fmt::write::hb2c60dfec63532e6
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x6343438ec7c3 - std::io::default_write_fmt::h6bc575c69608f4bf
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x6343438ec7c3 - std::io::Write::write_fmt::h7d885d72495c944f
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x6343438ef3d2 - std::sys::backtrace::BacktraceLock::print::h4bc25f9b1002918e
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x6343438f06a3 - std::panicking::default_hook::{{closure}}::h692acb67e5838edc
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x6343438f0485 - std::panicking::default_hook::h6d7f5243a6b747a3
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x6343438f10b5 - std::panicking::rust_panic_with_hook::hb10a8b2fbcdc8429
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x6343438f0e4a - std::panicking::begin_panic_handler::{{closure}}::hba6753e2258c3ca5
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x6343438efa79 - std::sys::backtrace::__rust_end_short_backtrace::h2cb272d2e7861977
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x6343438f0add - __rustc[eab4d5e6b70a8ffe]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x6343439141c0 - core::panicking::panic_fmt::hf5fc61f5edac1f66
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x6343438a606a - proc_macro2::fallback::validate_ident::h68da0dd04f649a20
[INFO] [stderr]     17:     0x6343438a5e69 - proc_macro2::fallback::Ident::_new::h2f6c30d7be9bf820
[INFO] [stderr]     18:     0x6343438a5ebf - proc_macro2::fallback::Ident::new::hb3f61c8cdef2e3ba
[INFO] [stderr]     19:     0x6343438a8178 - proc_macro2::imp::Ident::new::h7ef7bc7e614e6f3d
[INFO] [stderr]     20:     0x6343438b5938 - proc_macro2::Ident::new::hbadd89557603328e
[INFO] [stderr]     21:     0x634343674a5f - bindgen::ir::context::BindgenContext::rust_ident_raw::hb5c97090240e52bf
[INFO] [stderr]     22:     0x6343436747d0 - bindgen::ir::context::BindgenContext::rust_ident::haa9b5bf7cf52f60e
[INFO] [stderr]     23:     0x63434361aade - <bindgen::ir::enum_ty::Enum as bindgen::codegen::CodeGenerator>::codegen::ha94ae16606d0903e
[INFO] [stderr]     24:     0x634343617cd7 - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h254a1fc76c7bd1c1
[INFO] [stderr]     25:     0x634343647df4 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hc05a51706b60464f
[INFO] [stderr]     26:     0x6343435cd685 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::h56b842a57efc1a0e
[INFO] [stderr]     27:     0x63434368dd95 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::he66920df2e82937d
[INFO] [stderr]     28:     0x634343647dd9 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hc05a51706b60464f
[INFO] [stderr]     29:     0x6343435d698e - bindgen::codegen::codegen::{{closure}}::h5996f1ff67d30145
[INFO] [stderr]     30:     0x634343677058 - bindgen::ir::context::BindgenContext::gen::h656597cfa998e466
[INFO] [stderr]     31:     0x6343435d629d - bindgen::codegen::codegen::h76144bb4c3e31fd3
[INFO] [stderr]     32:     0x6343435bcbcd - bindgen::Bindings::generate::h26346263a0820dd1
[INFO] [stderr]     33:     0x6343435b9ffb - bindgen::Builder::generate::h13e9e4e6b48f7679
[INFO] [stderr]     34:     0x63434355f8e5 - build_script_build::main::h2089a8583d7aa495
[INFO] [stderr]     35:     0x63434355e6f3 - core::ops::function::FnOnce::call_once::h7bf370825a2e347e
[INFO] [stderr]     36:     0x63434355e566 - std::sys::backtrace::__rust_begin_short_backtrace::h5e0ba3c5b30b3bd5
[INFO] [stderr]     37:     0x63434355e549 - std::rt::lang_start::{{closure}}::h577b55a1ec11a51a
[INFO] [stderr]     38:     0x6343438e7eb0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h66ad6720703f8ea1
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     39:     0x6343438e7eb0 - std::panicking::catch_unwind::do_call::he2b21b35195f1300
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:589:40
[INFO] [stderr]     40:     0x6343438e7eb0 - std::panicking::catch_unwind::hc26ac766233d7e02
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:552:19
[INFO] [stderr]     41:     0x6343438e7eb0 - std::panic::catch_unwind::h8b08d739cff46c9c
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panic.rs:359:14
[INFO] [stderr]     42:     0x6343438e7eb0 - std::rt::lang_start_internal::{{closure}}::h45fb10f5cf038da2
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/rt.rs:175:24
[INFO] [stderr]     43:     0x6343438e7eb0 - std::panicking::catch_unwind::do_call::h9dd91bad151f329c
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:589:40
[INFO] [stderr]     44:     0x6343438e7eb0 - std::panicking::catch_unwind::h4a013f3afc17f233
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:552:19
[INFO] [stderr]     45:     0x6343438e7eb0 - std::panic::catch_unwind::h402a508eeeb80b75
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panic.rs:359:14
[INFO] [stderr]     46:     0x6343438e7eb0 - std::rt::lang_start_internal::h310eb6ed8a66b615
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/rt.rs:171:5
[INFO] [stderr]     47:     0x63434355e531 - std::rt::lang_start::haa380cfd4ac88acc
[INFO] [stderr]     48:     0x63434355fb25 - main
[INFO] [stderr]     49:     0x74154b5d61ca - <unknown>
[INFO] [stderr]     50:     0x74154b5d628b - __libc_start_main
[INFO] [stderr]     51:     0x63434355dc35 - _start
[INFO] [stderr]     52:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "36c349006ed7c60370c9f5c2000be74395d61e827e0ebff015bb06bf787c4dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c349006ed7c60370c9f5c2000be74395d61e827e0ebff015bb06bf787c4dbf", kill_on_drop: false }`
[INFO] [stdout] 36c349006ed7c60370c9f5c2000be74395d61e827e0ebff015bb06bf787c4dbf
