[INFO] crate ufind 0.3.1 is already in cache
[INFO] checking ufind-0.3.1 against try#9ff4d07208097950831ed4ea9d76feb1eafc8baa for pr-69340
[INFO] extracting crate ufind 0.3.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ufind 0.3.1 on toolchain 9ff4d07208097950831ed4ea9d76feb1eafc8baa
[INFO] running `"/workspace/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ufind 0.3.1
[INFO] finished tweaking crates.io crate ufind 0.3.1
[INFO] tweaked toml for crates.io crate ufind 0.3.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf1b6cc0c374bc560f9e885edc25baff08a9592fe0652986fb3f9d95a150ef4c
[INFO] running `"docker" "start" "-a" "cf1b6cc0c374bc560f9e885edc25baff08a9592fe0652986fb3f9d95a150ef4c"`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling ufind v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `ufind v0.3.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/ufind-fb41004a38275896/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'couldn't create completion file: other os error', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/parser.rs:131:25
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x561ac677cfb4 - backtrace::backtrace::libunwind::trace::had147d1beef2f891
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x561ac677cfb4 - backtrace::backtrace::trace_unsynchronized::h00d5c46d80cae222
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x561ac677cfb4 - std::sys_common::backtrace::_print_fmt::h61b2216e788cc4fd
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x561ac677cfb4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hce842b1b05c06459
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x561ac6796abc - core::fmt::write::h12f00df804919232
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1052
[INFO] [stderr]    5:     0x561ac677afd7 - std::io::Write::write_fmt::h30c63d4497dc178e
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x561ac677f465 - std::sys_common::backtrace::_print::h4522b5a4aaf4bebe
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x561ac677f465 - std::sys_common::backtrace::print::h4a1c37cf1ba8e71d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x561ac677f465 - std::panicking::default_hook::{{closure}}::h03d6a37c47044188
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x561ac677f1a6 - std::panicking::default_hook::h3d8a55b30e59ca14
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x561ac677fa22 - std::panicking::rust_panic_with_hook::hd3c7feb9792ccb40
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x561ac677f60b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:378
[INFO] [stderr]   12:     0x561ac677f57b - std::panicking::begin_panic_fmt::h2b196b0517aa658d
[INFO] [stderr]                                at src/libstd/panicking.rs:332
[INFO] [stderr]   13:     0x561ac6722257 - clap::app::parser::Parser::gen_completions::h4054b2b64e4c4724
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/parser.rs:131
[INFO] [stderr]   14:     0x561ac66fc28b - clap::app::App::gen_completions::hb6d43a7b6dc22762
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/mod.rs:1391
[INFO] [stderr]   15:     0x561ac66fc0e5 - build_script_build::main::he610c036b9e6676c
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:15
[INFO] [stderr]   16:     0x561ac66fc71b - std::rt::lang_start::{{closure}}::hf1c1f3efbedee4ea
[INFO] [stderr]                                at /rustc/9ff4d07208097950831ed4ea9d76feb1eafc8baa/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x561ac677f533 - std::rt::lang_start_internal::{{closure}}::h1cfae79ed45d7059
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x561ac677f533 - std::panicking::try::do_call::h81dd83a7d35e97a4
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   19:     0x561ac6781907 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   20:     0x561ac677fec9 - std::panicking::try::hbe0c7b6ac911be63
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   21:     0x561ac677fec9 - std::panic::catch_unwind::h8e28870cf17685f7
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x561ac677fec9 - std::rt::lang_start_internal::h290c30f410c06c4e
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x561ac66fc6f7 - std::rt::lang_start::hfddd04b442989747
[INFO] [stderr]                                at /rustc/9ff4d07208097950831ed4ea9d76feb1eafc8baa/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x561ac66fc1da - main
[INFO] [stderr]   25:     0x7f559c4e3b97 - __libc_start_main
[INFO] [stderr]   26:     0x561ac66fa89a - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "cf1b6cc0c374bc560f9e885edc25baff08a9592fe0652986fb3f9d95a150ef4c"`
[INFO] running `"docker" "rm" "-f" "cf1b6cc0c374bc560f9e885edc25baff08a9592fe0652986fb3f9d95a150ef4c"`
[INFO] [stdout] cf1b6cc0c374bc560f9e885edc25baff08a9592fe0652986fb3f9d95a150ef4c