[INFO] crate ufind 0.3.1 is already in cache [INFO] testing ufind-0.3.1 against beta-2019-09-28 for beta-1.39-1 [INFO] extracting crate ufind 0.3.1 into work/builds/worker-9/source [INFO] validating manifest of crates.io crate ufind 0.3.1 on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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 work/builds/worker-9/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] 141ca390d29abc77dc6886735f7f46dfa4b75f8ac2ff64387aa9db4ab5d9ce2b [INFO] running `"docker" "start" "-a" "141ca390d29abc77dc6886735f7f46dfa4b75f8ac2ff64387aa9db4ab5d9ce2b"` [INFO] [stderr] Compiling atty v0.2.13 [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-904bdeccc36271ba/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: 0x56277467ede4 - backtrace::backtrace::libunwind::trace::hf625d18232cbbbd4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x56277467ede4 - backtrace::backtrace::trace_unsynchronized::h41d74150fc6ff542 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x56277467ede4 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x56277467ede4 - ::fmt::h2b7ac01d5feaf9b2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x5627746987ac - core::fmt::write::h7fd0d904495c035f [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x56277467cfe7 - std::io::Write::write_fmt::h663e4bf63637c947 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x562774681165 - std::sys_common::backtrace::_print::h4c743f7c274a5a74 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x562774681165 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x562774681165 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6 [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x562774680e56 - std::panicking::default_hook::hd8ec13ee1bc2a65a [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x5627746817b5 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7 [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x562774681352 - std::panicking::continue_panic_fmt::hd961751be84a6f83 [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x5627746812ac - std::panicking::begin_panic_fmt::h23ef54e17e5a13fa [INFO] [stderr] at src/libstd/panicking.rs:335 [INFO] [stderr] 13: 0x5627746278f5 - clap::app::parser::Parser::gen_completions::h360215e0fd2b1130 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/parser.rs:131 [INFO] [stderr] 14: 0x5627745e5b67 - clap::app::App::gen_completions::h82d92a30d98c1495 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/mod.rs:1391 [INFO] [stderr] 15: 0x5627745e514b - build_script_build::main::ha329d612800d9311 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:15 [INFO] [stderr] 16: 0x5627745e3370 - std::rt::lang_start::{{closure}}::h09e219cc9c4bf135 [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x562774681233 - std::rt::lang_start_internal::{{closure}}::hf85bf15597d76295 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 18: 0x562774681233 - std::panicking::try::do_call::hd308ec0604b9bc21 [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 19: 0x56277468332a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 20: 0x562774681cad - std::panicking::try::hafc45125a5bd2b22 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 21: 0x562774681cad - std::panic::catch_unwind::h8494678ec44c4b51 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x562774681cad - std::rt::lang_start_internal::h7404667a595739f8 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 23: 0x5627745e3349 - std::rt::lang_start::h1a0b78554524eefe [INFO] [stderr] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/rt.rs:64 [INFO] [stderr] 24: 0x5627745e523a - main [INFO] [stderr] 25: 0x7f2e33f6bb97 - __libc_start_main [INFO] [stderr] 26: 0x5627745e316a - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "141ca390d29abc77dc6886735f7f46dfa4b75f8ac2ff64387aa9db4ab5d9ce2b"` [INFO] running `"docker" "rm" "-f" "141ca390d29abc77dc6886735f7f46dfa4b75f8ac2ff64387aa9db4ab5d9ce2b"` [INFO] [stdout] 141ca390d29abc77dc6886735f7f46dfa4b75f8ac2ff64387aa9db4ab5d9ce2b