[INFO] fetching crate skeleton 0.3.3... [INFO] extracting crate skeleton 0.3.3 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/skeleton/0.3.3 [INFO] extracting crate skeleton 0.3.3 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/skeleton/0.3.3 [INFO] validating manifest of skeleton-0.3.3 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of skeleton-0.3.3 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-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-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/skeleton/0.3.3/Cargo.toml [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking skeleton-0.3.3 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/skeleton/0.3.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] fa6e9777f048435e6ba629b93d3c595057fc97913b7230555f5b52b7445777cc [INFO] running `"docker" "start" "-a" "fa6e9777f048435e6ba629b93d3c595057fc97913b7230555f5b52b7445777cc"` [INFO] [stderr] Blocking waiting for file lock on package cache [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-3f2b56b287bba4e6/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: 0x5630a6949b9b - backtrace::backtrace::libunwind::trace::h3eb7dec79b0cb248 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5630a6949b9b - backtrace::backtrace::trace_unsynchronized::h828522acfd8fecfd [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5630a6949b9b - std::sys_common::backtrace::_print::ha50329dede3e270e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5630a6949b9b - std::sys_common::backtrace::print::ha6d7f96740481555 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5630a6949b9b - std::panicking::default_hook::{{closure}}::h48c4812e51e499b0 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5630a6949877 - std::panicking::default_hook::h5d25d0fa83093442 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5630a694a260 - std::panicking::rust_panic_with_hook::h1babb2b4ac73106c [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5630a6949de2 - std::panicking::continue_panic_fmt::hb318720956a96dd4 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x5630a6949d2f - std::panicking::begin_panic_fmt::hd39ae7d7a0b1ece7 [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 9: 0x5630a68efcd1 - clap::app::parser::Parser::gen_completions::hb0d2cbb45de67730 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/parser.rs:131 [INFO] [stderr] 10: 0x5630a68ac242 - clap::app::App::gen_completions::hc4a857cc89bb7899 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/mod.rs:1391 [INFO] [stderr] 11: 0x5630a68acf75 - build_script_build::main::h70d7868348970fa8 [INFO] [stderr] at /opt/crater/workdir/build.rs:9 [INFO] [stderr] 12: 0x5630a68aceb0 - std::rt::lang_start::{{closure}}::h4ee6a267d30b0f5b [INFO] [stderr] at /rustc/848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/src/libstd/rt.rs:64 [INFO] [stderr] 13: 0x5630a6949cb3 - std::rt::lang_start_internal::{{closure}}::h8302806cea4153ed [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 14: 0x5630a6949cb3 - std::panicking::try::do_call::hc811096721c4b953 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 15: 0x5630a694ba7a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 16: 0x5630a694a76d - std::panicking::try::h132c927956f6dad4 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 17: 0x5630a694a76d - std::panic::catch_unwind::h2f6ea137782ab73f [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 18: 0x5630a694a76d - std::rt::lang_start_internal::h0f27bcf63030d183 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 19: 0x5630a68ace89 - std::rt::lang_start::h24a47a5a5bf54b13 [INFO] [stderr] at /rustc/848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/src/libstd/rt.rs:64 [INFO] [stderr] 20: 0x5630a68ad3aa - main [INFO] [stderr] 21: 0x7f8a8fee52e1 - __libc_start_main [INFO] [stderr] 22: 0x5630a68ac08a - _start [INFO] [stderr] 23: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "fa6e9777f048435e6ba629b93d3c595057fc97913b7230555f5b52b7445777cc"` [INFO] running `"docker" "rm" "-f" "fa6e9777f048435e6ba629b93d3c595057fc97913b7230555f5b52b7445777cc"` [INFO] [stdout] fa6e9777f048435e6ba629b93d3c595057fc97913b7230555f5b52b7445777cc