[INFO] fetching crate btrfsutil 0.2.0...
[INFO] testing btrfsutil-0.2.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate btrfsutil 0.2.0 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate btrfsutil 0.2.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e64b56fa26ec8b9cab68898ae91cab9a9106a220a0c803e2803eb8029f37884b
[INFO] running `Command { std: "docker" "start" "-a" "e64b56fa26ec8b9cab68898ae91cab9a9106a220a0c803e2803eb8029f37884b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e64b56fa26ec8b9cab68898ae91cab9a9106a220a0c803e2803eb8029f37884b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64b56fa26ec8b9cab68898ae91cab9a9106a220a0c803e2803eb8029f37884b", kill_on_drop: false }`
[INFO] [stdout] e64b56fa26ec8b9cab68898ae91cab9a9106a220a0c803e2803eb8029f37884b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96367b4cef139eebad6f42840fb3c86a903d1458a6fb632de736dde1e38af7ab
[INFO] running `Command { std: "docker" "start" "-a" "96367b4cef139eebad6f42840fb3c86a903d1458a6fb632de736dde1e38af7ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling prettyplease v0.2.12
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling serde v1.0.178
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.178
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling regex-automata v0.3.4
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling btrfsutil-sys v1.3.0
[INFO] [stderr]    Compiling btrfsutil v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.04s
[INFO] running `Command { std: "docker" "inspect" "96367b4cef139eebad6f42840fb3c86a903d1458a6fb632de736dde1e38af7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96367b4cef139eebad6f42840fb3c86a903d1458a6fb632de736dde1e38af7ab", kill_on_drop: false }`
[INFO] [stdout] 96367b4cef139eebad6f42840fb3c86a903d1458a6fb632de736dde1e38af7ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 615d6beedd3cb6b6d50972a37843dd6992ca5b92f8efc88ab682e62bf978f83b
[INFO] running `Command { std: "docker" "start" "-a" "615d6beedd3cb6b6d50972a37843dd6992ca5b92f8efc88ab682e62bf978f83b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling fastrand v2.0.0
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling tempfile v3.7.0
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling libmount v0.1.15
[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_TEST_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-39423dbe499140e6/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (406) 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:     0x56e37d67b0b2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x56e37d67b0b2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x56e37d67b0b2 - std::sys::backtrace::_print_fmt::h255777b7ec902439
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x56e37d67b0b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a1ac49fcd7ee8ce
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x56e37d68bf1f - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x56e37d68bf1f - core::fmt::write::hbdcc0ec4f1bab1db
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x56e37d64e2c3 - std::io::default_write_fmt::hb29d13affe7e9cd0
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x56e37d64e2c3 - std::io::Write::write_fmt::hec441b8c6eca32b9
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x56e37d658822 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x56e37d65b37f - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x56e37d65b1d9 - std::panicking::default_hook::h9d66b9642014ce48
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x56e37d65ba05 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x56e37d65b7ea - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x56e37d658959 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x56e37d64271d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x56e37d695d90 - core::panicking::panic_fmt::h774fb860369a0f7b
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x56e37d6214ea - proc_macro2::fallback::validate_ident::ha6852472d5d50a12
[INFO] [stderr]     17:     0x56e37d621cb9 - proc_macro2::fallback::Ident::_new::hd81b3824720a9995
[INFO] [stderr]     18:     0x56e37d621c6f - proc_macro2::fallback::Ident::new::h51ecf4de0ab1202f
[INFO] [stderr]     19:     0x56e37d61f078 - proc_macro2::imp::Ident::new::hc64f1a251e18f11c
[INFO] [stderr]     20:     0x56e37d634e98 - proc_macro2::Ident::new::h195c08a445f64178
[INFO] [stderr]     21:     0x56e37d4102cf - bindgen::ir::context::BindgenContext::rust_ident_raw::h547a16be409d3b99
[INFO] [stderr]     22:     0x56e37d40e130 - bindgen::ir::context::BindgenContext::rust_ident::hcf959f45f92f93a3
[INFO] [stderr]     23:     0x56e37d3e7b6e - <bindgen::ir::enum_ty::Enum as bindgen::codegen::CodeGenerator>::codegen::ha5872715438f67d0
[INFO] [stderr]     24:     0x56e37d3e06d6 - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h37838bc33315c517
[INFO] [stderr]     25:     0x56e37d303dad - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hf737a7be676ee54b
[INFO] [stderr]     26:     0x56e37d3a2195 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::h49d3bf3c87cfe449
[INFO] [stderr]     27:     0x56e37d3beac5 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::h88366b5a4b1aa3fa
[INFO] [stderr]     28:     0x56e37d303d92 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hf737a7be676ee54b
[INFO] [stderr]     29:     0x56e37d3ae378 - bindgen::codegen::codegen::{{closure}}::h0e5b13e083bcce83
[INFO] [stderr]     30:     0x56e37d41aa78 - bindgen::ir::context::BindgenContext::gen::hf7f26fbf3cd5e802
[INFO] [stderr]     31:     0x56e37d3adc8d - bindgen::codegen::codegen::hf8464afb2fa45644
[INFO] [stderr]     32:     0x56e37d4014c5 - bindgen::Bindings::generate::hc80ba99f041e3a36
[INFO] [stderr]     33:     0x56e37d3fe46f - bindgen::Builder::generate::h17bda750b01dc937
[INFO] [stderr]     34:     0x56e37d2e6995 - build_script_build::main::hc4d26c715efa157d
[INFO] [stderr]     35:     0x56e37d2e7483 - core::ops::function::FnOnce::call_once::h688e9ceb76f32740
[INFO] [stderr]     36:     0x56e37d2e7336 - std::sys::backtrace::__rust_begin_short_backtrace::h6da78053022700cf
[INFO] [stderr]     37:     0x56e37d2e7319 - std::rt::lang_start::{{closure}}::h63cf03b258134122
[INFO] [stderr]     38:     0x56e37d64fbb0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9095abc9db71b07e
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     39:     0x56e37d64fbb0 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     40:     0x56e37d64fbb0 - std::panicking::catch_unwind::h60074fd2327f40bd
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     41:     0x56e37d64fbb0 - std::panic::catch_unwind::heb14fa8e39d051cf
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     42:     0x56e37d64fbb0 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24
[INFO] [stderr]     43:     0x56e37d64fbb0 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40
[INFO] [stderr]     44:     0x56e37d64fbb0 - std::panicking::catch_unwind::hb8d32f0195463ad2
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19
[INFO] [stderr]     45:     0x56e37d64fbb0 - std::panic::catch_unwind::hcebe3b1d5adfc5a2
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14
[INFO] [stderr]     46:     0x56e37d64fbb0 - std::rt::lang_start_internal::h27f55ed238aa26df
[INFO] [stderr]                                  at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5
[INFO] [stderr]     47:     0x56e37d2e7301 - std::rt::lang_start::ha50aa924bab40697
[INFO] [stderr]     48:     0x56e37d2e85b5 - main
[INFO] [stderr]     49:     0x79de8692c1ca - <unknown>
[INFO] [stderr]     50:     0x79de8692c28b - __libc_start_main
[INFO] [stderr]     51:     0x56e37d2e6815 - _start
[INFO] [stderr]     52:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "615d6beedd3cb6b6d50972a37843dd6992ca5b92f8efc88ab682e62bf978f83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615d6beedd3cb6b6d50972a37843dd6992ca5b92f8efc88ab682e62bf978f83b", kill_on_drop: false }`
[INFO] [stdout] 615d6beedd3cb6b6d50972a37843dd6992ca5b92f8efc88ab682e62bf978f83b