[INFO] crate skeleton 0.3.3 is already in cache [INFO] extracting crate skeleton 0.3.3 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/skeleton/0.3.3 [INFO] extracting crate skeleton 0.3.3 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/skeleton/0.3.3 [INFO] validating manifest of skeleton-0.3.3 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of skeleton-0.3.3 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing skeleton-0.3.3 [INFO] finished frobbing skeleton-0.3.3 [INFO] frobbed toml for skeleton-0.3.3 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/skeleton/0.3.3/Cargo.toml [INFO] started frobbing skeleton-0.3.3 [INFO] finished frobbing skeleton-0.3.3 [INFO] frobbed toml for skeleton-0.3.3 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/skeleton/0.3.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking skeleton-0.3.3 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/skeleton/0.3.3:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] fba5c20a2e939da297d2674beddf4b9a8e2a24a1cd10bba9a8d74a2fbc8490b8 [INFO] running `"docker" "start" "-a" "fba5c20a2e939da297d2674beddf4b9a8e2a24a1cd10bba9a8d74a2fbc8490b8"` [INFO] [stderr] Compiling skeleton v0.3.3 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `skeleton v0.3.3 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/skeleton-2450f675c7f15101/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-2.33.0/src/app/parser.rs:131:25 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5596a36373eb - backtrace::backtrace::libunwind::trace::h0c70a293f076b04d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5596a36373eb - backtrace::backtrace::trace_unsynchronized::h1bc693e29cfaa7b4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5596a36373eb - std::sys_common::backtrace::_print::h8e9bb00be68d4090 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5596a36373eb - std::sys_common::backtrace::print::h706192507dd9d34d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5596a36373eb - std::panicking::default_hook::{{closure}}::he2b558091ea21dea [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x5596a36370c7 - std::panicking::default_hook::hfb9d48d2b8aaf0f5 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x5596a3637ab0 - std::panicking::rust_panic_with_hook::h56bb6d26ac5aac90 [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x5596a3637632 - std::panicking::continue_panic_fmt::h360cf8419afe0564 [INFO] [stderr] at src/libstd/panicking.rs:382 [INFO] [stderr] 8: 0x5596a363757f - std::panicking::begin_panic_fmt::hd47e0d3838ca406c [INFO] [stderr] at src/libstd/panicking.rs:337 [INFO] [stderr] 9: 0x5596a35ddaf1 - clap::app::parser::Parser::gen_completions::h9e0ebd190cc5c367 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/parser.rs:131 [INFO] [stderr] 10: 0x5596a35996e2 - clap::app::App::gen_completions::h8419e0b95a219186 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/mod.rs:1391 [INFO] [stderr] 11: 0x5596a359a315 - build_script_build::main::hc8031e5f99880762 [INFO] [stderr] at /opt/crater/workdir/build.rs:9 [INFO] [stderr] 12: 0x5596a359a7d0 - std::rt::lang_start::{{closure}}::h582127399ee8fae9 [INFO] [stderr] at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64 [INFO] [stderr] 13: 0x5596a3637503 - std::rt::lang_start_internal::{{closure}}::h868ef2b3c3a15fff [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 14: 0x5596a3637503 - std::panicking::try::do_call::h4528fe5c5ea34ef8 [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 15: 0x5596a36392ca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 16: 0x5596a3637fbd - std::panicking::try::ha87d5378c5dcb863 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 17: 0x5596a3637fbd - std::panic::catch_unwind::hf01b748a30fdd5ec [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 18: 0x5596a3637fbd - std::rt::lang_start_internal::h9518341cf2ad1d33 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 19: 0x5596a359a7a9 - std::rt::lang_start::ha046a9bff4f20d07 [INFO] [stderr] at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64 [INFO] [stderr] 20: 0x5596a359a74a - main [INFO] [stderr] 21: 0x7f11bcdcb2e1 - __libc_start_main [INFO] [stderr] 22: 0x5596a35994ba - _start [INFO] [stderr] 23: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "fba5c20a2e939da297d2674beddf4b9a8e2a24a1cd10bba9a8d74a2fbc8490b8"` [INFO] running `"docker" "rm" "-f" "fba5c20a2e939da297d2674beddf4b9a8e2a24a1cd10bba9a8d74a2fbc8490b8"` [INFO] [stdout] fba5c20a2e939da297d2674beddf4b9a8e2a24a1cd10bba9a8d74a2fbc8490b8