[INFO] fetching crate ufind 0.3.1... [INFO] checking ufind-0.3.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [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 f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f7fcc79ed81da3c22098b0bea83e7f0a16f27a20b5d22b501b2569a109a338a1 [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" "f7fcc79ed81da3c22098b0bea83e7f0a16f27a20b5d22b501b2569a109a338a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7fcc79ed81da3c22098b0bea83e7f0a16f27a20b5d22b501b2569a109a338a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7fcc79ed81da3c22098b0bea83e7f0a16f27a20b5d22b501b2569a109a338a1", kill_on_drop: false }` [INFO] [stdout] f7fcc79ed81da3c22098b0bea83e7f0a16f27a20b5d22b501b2569a109a338a1 [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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 0acd0240aee5cb0bae646189090f1d1be9bf0f8a5b9154ceae65357164d8c40c [INFO] running `Command { std: "docker" "start" "-a" "0acd0240aee5cb0bae646189090f1d1be9bf0f8a5b9154ceae65357164d8c40c", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.3 [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-46b1633dcb070fb5/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-2.33.3/src/app/parser.rs:138:25 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x560ec6f4cfc0 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x560ec6f4cfc0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x560ec6f4cfc0 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x560ec6f4cfc0 - ::fmt::hb0ad78ee1571f7e0 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x560ec6f65f7c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x560ec6f4b0c2 - std::io::Write::write_fmt::hf7b7d7b243f84a36 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/io/mod.rs:1516 [INFO] [stderr] 6: 0x560ec6f4f0ed - std::sys_common::backtrace::_print::hd093978a5287b8ff [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x560ec6f4f0ed - std::sys_common::backtrace::print::h20f46787581d56d7 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x560ec6f4f0ed - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x560ec6f4ed98 - std::panicking::default_hook::h4190c9e3edd4d591 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x560ec6f4f771 - std::panicking::rust_panic_with_hook::h72e78719cdda225c [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x560ec6f4f319 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:484 [INFO] [stderr] 12: 0x560ec6f4d44c - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x560ec6f4f2d9 - rust_begin_unwind [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:483 [INFO] [stderr] 14: 0x560ec6f4f28b - std::panicking::begin_panic_fmt::hc19e75fd2b7bc39b [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:437 [INFO] [stderr] 15: 0x560ec6ed2c23 - clap::app::parser::Parser::gen_completions::h63bfd5495f1e7939 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.3/src/app/parser.rs:138 [INFO] [stderr] 16: 0x560ec6ed1aeb - clap::app::App::gen_completions::h4cd97af6e29a795a [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.3/src/app/mod.rs:1400 [INFO] [stderr] 17: 0x560ec6ed163a - build_script_build::main::h09ddd8dd8469bd6c [INFO] [stderr] at /opt/rustwide/workdir/build.rs:15 [INFO] [stderr] 18: 0x560ec6ed0e6b - core::ops::function::FnOnce::call_once::h7a20af0ccf6cfab3 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/ops/function.rs:227 [INFO] [stderr] 19: 0x560ec6ed0f0e - std::sys_common::backtrace::__rust_begin_short_backtrace::hac15760291801fb5 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x560ec6ed1fc1 - std::rt::lang_start::{{closure}}::h1fc381423c920521 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x560ec6f4fb97 - core::ops::function::impls:: for &F>::call_once::h5e15f43ce28787f7 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/ops/function.rs:259 [INFO] [stderr] 22: 0x560ec6f4fb97 - std::panicking::try::do_call::h764f1891769113e9 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:381 [INFO] [stderr] 23: 0x560ec6f4fb97 - std::panicking::try::h0f2fe4fdd5e0ad19 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:345 [INFO] [stderr] 24: 0x560ec6f4fb97 - std::panic::catch_unwind::h1634e40dd3a19f80 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panic.rs:382 [INFO] [stderr] 25: 0x560ec6f4fb97 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x560ec6ed1f97 - std::rt::lang_start::hfae086a791c78104 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x560ec6ed172a - main [INFO] [stderr] 28: 0x7f9791cb30b3 - __libc_start_main [INFO] [stderr] 29: 0x560ec6ed00be - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "0acd0240aee5cb0bae646189090f1d1be9bf0f8a5b9154ceae65357164d8c40c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0acd0240aee5cb0bae646189090f1d1be9bf0f8a5b9154ceae65357164d8c40c", kill_on_drop: false }` [INFO] [stdout] 0acd0240aee5cb0bae646189090f1d1be9bf0f8a5b9154ceae65357164d8c40c