[INFO] crate skeleton 0.3.3 is already in cache [INFO] extracting crate skeleton 0.3.3 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/skeleton/0.3.3 [INFO] extracting crate skeleton 0.3.3 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/skeleton/0.3.3 [INFO] validating manifest of skeleton-0.3.3 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of skeleton-0.3.3 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-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-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/skeleton/0.3.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking skeleton-0.3.3 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ce7e8214f0388d09b26d8c29b06e48e7cf64c32e76720e6842c8cfb39dba81c6 [INFO] running `"docker" "start" "-a" "ce7e8214f0388d09b26d8c29b06e48e7cf64c32e76720e6842c8cfb39dba81c6"` [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-ea9ad807ac06dc43/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: 0x55683e98b5bb - backtrace::backtrace::libunwind::trace::h098b67cd5ecf24d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55683e98b5bb - backtrace::backtrace::trace_unsynchronized::h41f8ecb0b6b75123 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55683e98b5bb - std::sys_common::backtrace::_print::h6bdd5779472ab8c6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55683e98b5bb - std::sys_common::backtrace::print::h535418cbcfd3b064 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55683e98b5bb - std::panicking::default_hook::{{closure}}::h8962ad5cd6daeea4 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55683e98b296 - std::panicking::default_hook::h39b428958abf2606 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55683e98bc7d - std::panicking::rust_panic_with_hook::hec5b145cd2b2dbe3 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55683e98b802 - std::panicking::continue_panic_fmt::h499883e21d98c9ea [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55683e98b74f - std::panicking::begin_panic_fmt::hc0aeb5432668577f [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 9: 0x55683e93dba5 - clap::app::parser::Parser::gen_completions::hbb4a81629ddce2fa [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/parser.rs:131 [INFO] [stderr] 10: 0x55683e8f027a - clap::app::App::gen_completions::hd5a9f03362937964 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/mod.rs:1391 [INFO] [stderr] 11: 0x55683e8f0da5 - build_script_build::main::h7c9ea304669e323b [INFO] [stderr] at /opt/crater/workdir/build.rs:9 [INFO] [stderr] 12: 0x55683e8f12a0 - std::rt::lang_start::{{closure}}::h92e48a5280b08fa2 [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64 [INFO] [stderr] 13: 0x55683e98b6d3 - std::rt::lang_start_internal::{{closure}}::h1d5b2f63d8aab9e2 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 14: 0x55683e98b6d3 - std::panicking::try::do_call::h23b1282500223f6a [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 15: 0x55683e98d5fa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 16: 0x55683e98c18d - std::panicking::try::hf851d9cd2a46569f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 17: 0x55683e98c18d - std::panic::catch_unwind::h38ad47fd47b8a319 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x55683e98c18d - std::rt::lang_start_internal::h8489a7c3e11328c4 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 19: 0x55683e8f1279 - std::rt::lang_start::h6a66a2f94eace0b5 [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64 [INFO] [stderr] 20: 0x55683e8f11ca - main [INFO] [stderr] 21: 0x7f859ccda2e1 - __libc_start_main [INFO] [stderr] 22: 0x55683e8f00ca - _start [INFO] [stderr] 23: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "ce7e8214f0388d09b26d8c29b06e48e7cf64c32e76720e6842c8cfb39dba81c6"` [INFO] running `"docker" "rm" "-f" "ce7e8214f0388d09b26d8c29b06e48e7cf64c32e76720e6842c8cfb39dba81c6"` [INFO] [stdout] ce7e8214f0388d09b26d8c29b06e48e7cf64c32e76720e6842c8cfb39dba81c6