[INFO] cloning repository https://github.com/ryoh/nstest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryoh/nstest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryoh%2Fnstest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryoh%2Fnstest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d287131b115ddaa7e9ad00e9f4a931860f753c92
[INFO] testing ryoh/nstest against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryoh%2Fnstest" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryoh/nstest
[INFO] finished tweaking git repo https://github.com/ryoh/nstest
[INFO] tweaked toml for git repo https://github.com/ryoh/nstest written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryoh/nstest on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryoh/nstest 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sys-mount v1.3.0
[INFO] [stderr]   Downloaded loopdev v0.3.0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2e66e4810837f4ec991d52e17b59b724316a5ede1073c37ae3901ed31276abe
[INFO] running `Command { std: "docker" "start" "-a" "f2e66e4810837f4ec991d52e17b59b724316a5ede1073c37ae3901ed31276abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2e66e4810837f4ec991d52e17b59b724316a5ede1073c37ae3901ed31276abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e66e4810837f4ec991d52e17b59b724316a5ede1073c37ae3901ed31276abe", kill_on_drop: false }`
[INFO] [stdout] f2e66e4810837f4ec991d52e17b59b724316a5ede1073c37ae3901ed31276abe
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fb11606e4094ebea11f8f030ce8db8431469022afd4eba974ca31c78c1d9a29
[INFO] running `Command { std: "docker" "start" "-a" "7fb11606e4094ebea11f8f030ce8db8431469022afd4eba974ca31c78c1d9a29", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling loopdev v0.3.0
[INFO] [stderr] error: failed to run custom build command for `loopdev v0.3.0`
[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-74b8031553bac263/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (765) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.34/src/fallback.rs:702:9:
[INFO] [stderr]   "enum_(unnamed_at_/usr/include/linux/loop_h_16_1)" is not a valid Ident
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x63f84a357f02 - std::backtrace_rs::backtrace::libunwind::trace::h4b3f5960ed1c0917
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x63f84a357f02 - std::backtrace_rs::backtrace::trace_unsynchronized::h2f16383c47f8bd04
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x63f84a357f02 - std::sys::backtrace::_print_fmt::h698d661724c270ea
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x63f84a357f02 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h1c8375013274064c
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x63f84a36912f - core::fmt::rt::Argument::fmt::h9232377a772d3f8c
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x63f84a36912f - core::fmt::write::h6dc9e168423d9633
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x63f84a32ac33 - std::io::default_write_fmt::h38d7d9601ce34bd7
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x63f84a32ac33 - std::io::Write::write_fmt::ha0f2aa0403ad73bc
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x63f84a335662 - std::sys::backtrace::BacktraceLock::print::hf83c3d8cbd01f904
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x63f84a33814f - std::panicking::default_hook::{{closure}}::h3d4c49adc0898362
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x63f84a337fa9 - std::panicking::default_hook::hccea28f2487e7471
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x63f84a338725 - std::panicking::panic_with_hook::h694b8196629eb5e1
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x63f84a3385ba - std::panicking::panic_handler::{{closure}}::h0d99dd765f7e6554
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x63f84a3357a9 - std::sys::backtrace::__rust_end_short_backtrace::h8b43cbde72f7d592
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x63f84a31f05d - __rustc[d1dec8fc82f9a585]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x63f84a3731f0 - core::panicking::panic_fmt::h315eeb0e4d90fcdc
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x63f84a315c8f - proc_macro2::fallback::validate_ident::hbe5797fa2035aca0
[INFO] [stderr]     17:     0x63f84a315f31 - proc_macro2::fallback::Ident::_new::h715c2df5e514054c
[INFO] [stderr]     18:     0x63f84a315eef - proc_macro2::fallback::Ident::new::hf6c9011615b7e68a
[INFO] [stderr]     19:     0x63f84a30b9b8 - proc_macro2::Ident::new::h37b1a3c0506241cf
[INFO] [stderr]     20:     0x63f84a0c90d5 - bindgen::ir::context::BindgenContext::rust_ident_raw::he8b4a36d07657893
[INFO] [stderr]     21:     0x63f84a0c6d50 - bindgen::ir::context::BindgenContext::rust_ident::h35274a31944719a8
[INFO] [stderr]     22:     0x63f849fc7de5 - <bindgen::ir::enum_ty::Enum as bindgen::codegen::CodeGenerator>::codegen::hd4fb4c816ca20607
[INFO] [stderr]     23:     0x63f84a0e1e25 - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h55e9e636e0075630
[INFO] [stderr]     24:     0x63f84a076c6a - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::ha54d1a58357e5249
[INFO] [stderr]     25:     0x63f849fcb855 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::hf2f792224659de55
[INFO] [stderr]     26:     0x63f84a0e8ee1 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::hd914071a77c75b2f
[INFO] [stderr]     27:     0x63f84a076c4c - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::ha54d1a58357e5249
[INFO] [stderr]     28:     0x63f849fd839b - bindgen::codegen::codegen::{{closure}}::h578a2a5700992768
[INFO] [stderr]     29:     0x63f84a0d46c8 - bindgen::ir::context::BindgenContext::gen::h37dfb57fd1a84561
[INFO] [stderr]     30:     0x63f849fd7c0d - bindgen::codegen::codegen::h635726f555219b22
[INFO] [stderr]     31:     0x63f84a009596 - bindgen::Bindings::generate::h7698ac022c8f2b10
[INFO] [stderr]     32:     0x63f84a0058a1 - bindgen::Builder::generate::ha50a5c4148ab1101
[INFO] [stderr]     33:     0x63f849fab146 - build_script_build::main::h8fb47c07a32803fa
[INFO] [stderr]     34:     0x63f849fabc63 - core::ops::function::FnOnce::call_once::h97dc7b91b3a02432
[INFO] [stderr]     35:     0x63f849fabad6 - std::sys::backtrace::__rust_begin_short_backtrace::hfd49e7b73ac685ac
[INFO] [stderr]     36:     0x63f849fabab9 - std::rt::lang_start::{{closure}}::h6a6d19ab93180b87
[INFO] [stderr]     37:     0x63f84a32c750 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::haf2355476c97a8d6
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     38:     0x63f84a32c750 - std::panicking::catch_unwind::do_call::hc1d88840c11edd90
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:590:40
[INFO] [stderr]     39:     0x63f84a32c750 - std::panicking::catch_unwind::h06fc66194f5af61a
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:553:19
[INFO] [stderr]     40:     0x63f84a32c750 - std::panic::catch_unwind::h94f2c568298f1917
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panic.rs:359:14
[INFO] [stderr]     41:     0x63f84a32c750 - std::rt::lang_start_internal::{{closure}}::h7610923c484b9005
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/rt.rs:175:24
[INFO] [stderr]     42:     0x63f84a32c750 - std::panicking::catch_unwind::do_call::h95f5de43fb7e66d5
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:590:40
[INFO] [stderr]     43:     0x63f84a32c750 - std::panicking::catch_unwind::h99cac81b0366fc4b
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panicking.rs:553:19
[INFO] [stderr]     44:     0x63f84a32c750 - std::panic::catch_unwind::he4c6d99e8aa21d87
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/panic.rs:359:14
[INFO] [stderr]     45:     0x63f84a32c750 - std::rt::lang_start_internal::hc1e3cc6423c632a2
[INFO] [stderr]                                  at /rustc/16fbf98f22730e073c09e7b03f0eafb87a295545/library/std/src/rt.rs:171:5
[INFO] [stderr]     46:     0x63f849fabaa1 - std::rt::lang_start::h6ea12733f2546035
[INFO] [stderr]     47:     0x63f849facdd5 - main
[INFO] [stderr]     48:     0x70e0ecb661ca - <unknown>
[INFO] [stderr]     49:     0x70e0ecb6628b - __libc_start_main
[INFO] [stderr]     50:     0x63f849faaed5 - _start
[INFO] [stderr]     51:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "7fb11606e4094ebea11f8f030ce8db8431469022afd4eba974ca31c78c1d9a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb11606e4094ebea11f8f030ce8db8431469022afd4eba974ca31c78c1d9a29", kill_on_drop: false }`
[INFO] [stdout] 7fb11606e4094ebea11f8f030ce8db8431469022afd4eba974ca31c78c1d9a29