[INFO] updating cached repository casimir/ufind [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/casimir/ufind [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/casimir/ufind" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/casimir/ufind"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/casimir/ufind'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/casimir/ufind" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/casimir/ufind"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/casimir/ufind'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f43e2ac87871d2aa1c40b1b5566b31ff1f17887b [INFO] sha for GitHub repo casimir/ufind: f43e2ac87871d2aa1c40b1b5566b31ff1f17887b [INFO] validating manifest of casimir/ufind on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of casimir/ufind on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing casimir/ufind [INFO] finished frobbing casimir/ufind [INFO] frobbed toml for casimir/ufind written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/casimir/ufind/Cargo.toml [INFO] started frobbing casimir/ufind [INFO] finished frobbing casimir/ufind [INFO] frobbed toml for casimir/ufind written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/casimir/ufind/Cargo.toml [INFO] crate casimir/ufind already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking casimir/ufind against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-2/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/casimir/ufind:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] e58bb5904fbef35ad171177958b73f614ec8bd93d20414f7cac6b220955ed3e7 [INFO] running `"docker" "start" "-a" "e58bb5904fbef35ad171177958b73f614ec8bd93d20414f7cac6b220955ed3e7"` [INFO] [stderr] Compiling vec_map v0.7.0 [INFO] [stderr] Compiling unicode-segmentation v1.1.0 [INFO] [stderr] Compiling atty v0.2.2 [INFO] [stderr] Compiling term_size v0.2.3 [INFO] [stderr] Checking clap v2.23.1 [INFO] [stderr] Compiling ufind v0.3.1 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `ufind v0.3.1 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/ufind-d5d9bca7fc0ebc09/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'couldn't create completion file: other os error', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.23.1/src/app/parser.rs:113:25 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5654d93b3b6b - backtrace::backtrace::libunwind::trace::h99e6362fdb92a8eb [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5654d93b3b6b - backtrace::backtrace::trace_unsynchronized::hb03857eb223d1e1b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5654d93b3b6b - std::sys_common::backtrace::_print::hc504093b15dd6a49 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5654d93b3b6b - std::sys_common::backtrace::print::h74592d8df46164e6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5654d93b3b6b - std::panicking::default_hook::{{closure}}::h148953d9747d04f4 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5654d93b3846 - std::panicking::default_hook::h72a253311e200c7c [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5654d93b422d - std::panicking::rust_panic_with_hook::h625fcf59e672b6a0 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5654d93b3db2 - std::panicking::continue_panic_fmt::hb865580971245aec [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x5654d93b3cff - std::panicking::begin_panic_fmt::h3b79b50d780fddc6 [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 9: 0x5654d93198ba - clap::app::parser::Parser::gen_completions::hb875f16470287bde [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.23.1/src/app/parser.rs:113 [INFO] [stderr] 10: 0x5654d9317de7 - clap::app::App::gen_completions::h646be42c46da0183 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.23.1/src/app/mod.rs:1385 [INFO] [stderr] 11: 0x5654d9317b36 - build_script_build::main::h8efc4d2940e9fe17 [INFO] [stderr] at /opt/crater/workdir/build.rs:15 [INFO] [stderr] 12: 0x5654d9318600 - std::rt::lang_start::{{closure}}::hfd4df5a0fe85bd14 [INFO] [stderr] at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64 [INFO] [stderr] 13: 0x5654d93b3c83 - std::rt::lang_start_internal::{{closure}}::h5b4ccd53e4167b89 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 14: 0x5654d93b3c83 - std::panicking::try::do_call::h85f9b79f07affa28 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 15: 0x5654d93b5f5a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 16: 0x5654d93b473d - std::panicking::try::h0463127fe79abe73 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 17: 0x5654d93b473d - std::panic::catch_unwind::h846bfd7d9d99e56b [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x5654d93b473d - std::rt::lang_start_internal::h0a72d627fb2e90ec [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 19: 0x5654d93185d9 - std::rt::lang_start::hdc23e3b194a51f40 [INFO] [stderr] at /rustc/c43d03a19f326f4a323569328cc501e86eb6d22e/src/libstd/rt.rs:64 [INFO] [stderr] 20: 0x5654d9317c1a - main [INFO] [stderr] 21: 0x7fd068c822e1 - __libc_start_main [INFO] [stderr] 22: 0x5654d931628a - _start [INFO] [stderr] 23: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "e58bb5904fbef35ad171177958b73f614ec8bd93d20414f7cac6b220955ed3e7"` [INFO] running `"docker" "rm" "-f" "e58bb5904fbef35ad171177958b73f614ec8bd93d20414f7cac6b220955ed3e7"` [INFO] [stdout] e58bb5904fbef35ad171177958b73f614ec8bd93d20414f7cac6b220955ed3e7