[INFO] crate ufind 0.3.1 is already in cache
[INFO] checking ufind-0.3.1 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate ufind 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ufind 0.3.1 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ufind 0.3.1
[INFO] finished tweaking crates.io crate ufind 0.3.1
[INFO] tweaked toml for crates.io crate ufind 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bca6a975dbfe5f99931fc673b98919b4e6c160c37e4063b609e0d3484ab4db8f
[INFO] running `"docker" "start" "-a" "bca6a975dbfe5f99931fc673b98919b4e6c160c37e4063b609e0d3484ab4db8f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling ufind v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `ufind v0.3.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/ufind-84a37587b2cb33e9/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'couldn't create completion file: other os error', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/parser.rs:131:25
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55bd76cf4034 - backtrace::backtrace::libunwind::trace::he807ad0519c11e8d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55bd76cf4034 - backtrace::backtrace::trace_unsynchronized::h85bf5ebf53f3e79a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55bd76cf4034 - std::sys_common::backtrace::_print_fmt::h3298485d15f6bf8f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55bd76cf4034 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9c1cc352997356e8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55bd76d0da1c - core::fmt::write::h32cac060b41ae4df
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1053
[INFO] [stderr]    5:     0x55bd76cf2147 - std::io::Write::write_fmt::h4b92e010fec92190
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x55bd76cf64a5 - std::sys_common::backtrace::_print::h38b83ef3372fad71
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55bd76cf64a5 - std::sys_common::backtrace::print::hcb4a0f695e1ec3b7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55bd76cf64a5 - std::panicking::default_hook::{{closure}}::h2e8f9cd7d4cd4692
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x55bd76cf61e7 - std::panicking::default_hook::h1e9aeac01791e6cc
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x55bd76cf6a62 - std::panicking::rust_panic_with_hook::h651549a5859dff90
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x55bd76cf664b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:378
[INFO] [stderr]   12:     0x55bd76cf65bb - std::panicking::begin_panic_fmt::hdc77b546b7e988aa
[INFO] [stderr]                                at src/libstd/panicking.rs:332
[INFO] [stderr]   13:     0x55bd76c8ccb2 - clap::app::parser::Parser::gen_completions::h3e5a5a0ac5b2ada7
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/parser.rs:131
[INFO] [stderr]   14:     0x55bd76c76adb - clap::app::App::gen_completions::h35cd5c97faee0b1d
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.0/src/app/mod.rs:1391
[INFO] [stderr]   15:     0x55bd76c76935 - build_script_build::main::hab2a8770f6610fef
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:15
[INFO] [stderr]   16:     0x55bd76c76f6b - std::rt::lang_start::{{closure}}::h7ab433d8faabe743
[INFO] [stderr]                                at /rustc/6d69caba110c0c2fb90180df1cbc8be5033b91d4/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55bd76cf6573 - std::rt::lang_start_internal::{{closure}}::h471f8ba71a80c8e3
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55bd76cf6573 - std::panicking::try::do_call::hd059bb209a35d92f
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   19:     0x55bd76cf8987 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   20:     0x55bd76cf6f09 - std::panicking::try::h2452c1b92d9235ae
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   21:     0x55bd76cf6f09 - std::panic::catch_unwind::h3d5a9024a61f002e
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x55bd76cf6f09 - std::rt::lang_start_internal::hd388fc716683de35
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x55bd76c76f47 - std::rt::lang_start::h372034b3da7e1ba4
[INFO] [stderr]                                at /rustc/6d69caba110c0c2fb90180df1cbc8be5033b91d4/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x55bd76c76a2a - main
[INFO] [stderr]   25:     0x7fb2e22200b3 - __libc_start_main
[INFO] [stderr]   26:     0x55bd76c7517e - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "bca6a975dbfe5f99931fc673b98919b4e6c160c37e4063b609e0d3484ab4db8f"`
[INFO] running `"docker" "rm" "-f" "bca6a975dbfe5f99931fc673b98919b4e6c160c37e4063b609e0d3484ab4db8f"`
[INFO] [stdout] bca6a975dbfe5f99931fc673b98919b4e6c160c37e4063b609e0d3484ab4db8f