[INFO] fetching crate ufind 0.3.1... [INFO] testing ufind-0.3.1 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate ufind 0.3.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate ufind 0.3.1 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] dd47067ce47adf076d01b2efd45c168f540a7177680893cbbc55f6928febc15a [INFO] running `Command { std: "docker" "start" "-a" "dd47067ce47adf076d01b2efd45c168f540a7177680893cbbc55f6928febc15a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd47067ce47adf076d01b2efd45c168f540a7177680893cbbc55f6928febc15a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd47067ce47adf076d01b2efd45c168f540a7177680893cbbc55f6928febc15a", kill_on_drop: false }` [INFO] [stdout] dd47067ce47adf076d01b2efd45c168f540a7177680893cbbc55f6928febc15a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 330255d4b10eeee2ebd686c3a6c73622c7554925a8504e62f6847557ee318cbc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "330255d4b10eeee2ebd686c3a6c73622c7554925a8504e62f6847557ee318cbc", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.1 [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-e6a81aae5e5da3ef/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-2.33.1/src/app/parser.rs:138:25 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5647ba8077b5 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5647ba8077b5 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5647ba8077b5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5647ba8077b5 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5647ba8255fc - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x5647ba8056f2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x5647ba809bf0 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5647ba809bf0 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5647ba809bf0 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5647ba80993c - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x5647ba80a233 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x5647ba809e2b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x5647ba809d9b - std::panicking::begin_panic_fmt::h2ff295231415d4a6 [INFO] [stderr] at src/libstd/panicking.rs:391 [INFO] [stderr] 13: 0x5647ba797c22 - clap::app::parser::Parser::gen_completions::h9c54d7b07adbfe78 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.1/src/app/parser.rs:138 [INFO] [stderr] 14: 0x5647ba796a5b - clap::app::App::gen_completions::h395ccb0188ae79f1 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.1/src/app/mod.rs:1400 [INFO] [stderr] 15: 0x5647ba7968e2 - build_script_build::main::hfc527a2bbc894373 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:15 [INFO] [stderr] 16: 0x5647ba796eeb - std::rt::lang_start::{{closure}}::h6fe3b1a6cfd7f849 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x5647ba80a603 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x5647ba80a603 - std::panicking::try::do_call::he8e1d689a3e26def [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x5647ba80a603 - std::panicking::try::h264b6eebc2fa7bbf [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x5647ba80a603 - std::panic::catch_unwind::hbf28fafa723b2128 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x5647ba80a603 - std::rt::lang_start_internal::he959aa59bc3ec202 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x5647ba796ec7 - std::rt::lang_start::h58c54460bf72f61d [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x5647ba7969aa - main [INFO] [stderr] 24: 0x7f60a4e920b3 - __libc_start_main [INFO] [stderr] 25: 0x5647ba79518e - _start [INFO] [stderr] 26: 0x0 - [INFO] running `Command { std: "docker" "inspect" "330255d4b10eeee2ebd686c3a6c73622c7554925a8504e62f6847557ee318cbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "330255d4b10eeee2ebd686c3a6c73622c7554925a8504e62f6847557ee318cbc", kill_on_drop: false }` [INFO] [stdout] 330255d4b10eeee2ebd686c3a6c73622c7554925a8504e62f6847557ee318cbc