[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-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/casimir/ufind"` [INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/casimir/ufind'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/casimir/ufind" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/casimir/ufind"` [INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/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#6ea4036cd20a4b1ab1d56e555108c21735ff6946 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of casimir/ufind on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-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-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/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-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking casimir/ufind against master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 for pr-62181 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-6/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 299638775f8213251c6a38d3c2d13fe03f3ca1c715f62ecf4839694c71f7feca [INFO] running `"docker" "start" "-a" "299638775f8213251c6a38d3c2d13fe03f3ca1c715f62ecf4839694c71f7feca"` [INFO] [stderr] Compiling unicode-segmentation v1.1.0 [INFO] [stderr] Compiling vec_map v0.7.0 [INFO] [stderr] Compiling atty v0.2.2 [INFO] [stderr] Compiling term_size v0.2.3 [INFO] [stderr] Compiling 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-0d6b35be9056cd10/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: 0x55994ca4e80b - backtrace::backtrace::libunwind::trace::h399a7a5a1c92b2d8 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55994ca4e80b - backtrace::backtrace::trace_unsynchronized::h76e29b9231dd0873 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55994ca4e80b - std::sys_common::backtrace::_print::hb092bf553e068953 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55994ca4e80b - std::sys_common::backtrace::print::h3407b08071f3f520 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55994ca4e80b - std::panicking::default_hook::{{closure}}::hc3b8cf51c83ab26e [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55994ca4e4e7 - std::panicking::default_hook::h54ef93848f2476c8 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55994ca4eed0 - std::panicking::rust_panic_with_hook::hf0df85aa51810823 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55994ca4ea52 - std::panicking::continue_panic_fmt::hd822862a3dda0081 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55994ca4e99f - std::panicking::begin_panic_fmt::haa8f47697fbdcb64 [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 9: 0x55994c9b15a6 - clap::app::parser::Parser::gen_completions::h11b950d3f95338e5 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.23.1/src/app/parser.rs:113 [INFO] [stderr] 10: 0x55994c9b0275 - clap::app::App::gen_completions::hc25d7d81cc741b46 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.23.1/src/app/mod.rs:1385 [INFO] [stderr] 11: 0x55994c9afdf6 - build_script_build::main::h5311811d25858026 [INFO] [stderr] at /opt/crater/workdir/build.rs:15 [INFO] [stderr] 12: 0x55994c9b0600 - std::rt::lang_start::{{closure}}::h07bb9f0239199294 [INFO] [stderr] at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/rt.rs:64 [INFO] [stderr] 13: 0x55994ca4e923 - std::rt::lang_start_internal::{{closure}}::he78638434283b545 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 14: 0x55994ca4e923 - std::panicking::try::do_call::h355c93ec0a462271 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 15: 0x55994ca50a4a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 16: 0x55994ca4f3dd - std::panicking::try::h3918ed6cf08237ff [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 17: 0x55994ca4f3dd - std::panic::catch_unwind::h8b2e693598ba7028 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 18: 0x55994ca4f3dd - std::rt::lang_start_internal::h78590588d24f24ba [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 19: 0x55994c9b05d9 - std::rt::lang_start::he4b6434a9e31ca13 [INFO] [stderr] at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/rt.rs:64 [INFO] [stderr] 20: 0x55994c9afeda - main [INFO] [stderr] 21: 0x7f1e8cb6d2e1 - __libc_start_main [INFO] [stderr] 22: 0x55994c9ade3a - _start [INFO] [stderr] 23: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "299638775f8213251c6a38d3c2d13fe03f3ca1c715f62ecf4839694c71f7feca"` [INFO] running `"docker" "rm" "-f" "299638775f8213251c6a38d3c2d13fe03f3ca1c715f62ecf4839694c71f7feca"` [INFO] [stdout] 299638775f8213251c6a38d3c2d13fe03f3ca1c715f62ecf4839694c71f7feca