[INFO] fetching crate ufind 0.3.1... [INFO] checking ufind-0.3.1 against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180 [INFO] extracting crate ufind 0.3.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate ufind 0.3.1 on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 52bc51e18063b174d65276601bc40aef5f08d6480d643f4d523b195447e2d2fc [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" "52bc51e18063b174d65276601bc40aef5f08d6480d643f4d523b195447e2d2fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52bc51e18063b174d65276601bc40aef5f08d6480d643f4d523b195447e2d2fc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52bc51e18063b174d65276601bc40aef5f08d6480d643f4d523b195447e2d2fc", kill_on_drop: false }` [INFO] [stdout] 52bc51e18063b174d65276601bc40aef5f08d6480d643f4d523b195447e2d2fc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3850bd69fee6dd06361ace397dc8da9225fdd812b4134330964dbbfc5a0a3f4f [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" "3850bd69fee6dd06361ace397dc8da9225fdd812b4134330964dbbfc5a0a3f4f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 libc v0.2.76 [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-55873228a23464d1/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: 0x55b907cfe11f - std::backtrace_rs::backtrace::libunwind::trace::h21c0966c343fddd8 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x55b907cfe11f - std::backtrace_rs::backtrace::trace_unsynchronized::h62cde0754779ae3a [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55b907cfe11f - std::sys_common::backtrace::_print_fmt::hb2d70198918acf1c [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x55b907cfe11f - ::fmt::h5a9d4ddd4d99b877 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x55b907d188cc - core::fmt::write::h3a043650ba7bf668 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/core/src/fmt/mod.rs:1117 [INFO] [stderr] 5: 0x55b907cfc245 - std::io::Write::write_fmt::h2dbf1bb0d9f42142 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/io/mod.rs:1510 [INFO] [stderr] 6: 0x55b907d00640 - std::sys_common::backtrace::_print::h1091565a54a3c462 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x55b907d00640 - std::sys_common::backtrace::print::hc9759e13a502cda2 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x55b907d00640 - std::panicking::default_hook::{{closure}}::hd35b8516a1d88160 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:198 [INFO] [stderr] 9: 0x55b907d0038c - std::panicking::default_hook::h0dcf88ad4d72ec5e [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:217 [INFO] [stderr] 10: 0x55b907d00c83 - std::panicking::rust_panic_with_hook::h81c308f7accbe523 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:526 [INFO] [stderr] 11: 0x55b907d0087b - rust_begin_unwind [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:437 [INFO] [stderr] 12: 0x55b907d007eb - std::panicking::begin_panic_fmt::h5a4ebf64498a13d8 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:391 [INFO] [stderr] 13: 0x55b907c82b52 - clap::app::parser::Parser::gen_completions::he530892780db624f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.3/src/app/parser.rs:138 [INFO] [stderr] 14: 0x55b907c8198b - clap::app::App::gen_completions::hc36c8dbe5626455f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.33.3/src/app/mod.rs:1400 [INFO] [stderr] 15: 0x55b907c81812 - build_script_build::main::h78b14206d132588d [INFO] [stderr] at /opt/rustwide/workdir/build.rs:15 [INFO] [stderr] 16: 0x55b907c81e1b - std::rt::lang_start::{{closure}}::h5205bed9b692f668 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:67 [INFO] [stderr] 17: 0x55b907d01096 - std::rt::lang_start_internal::{{closure}}::hdb90dc0481c9e8f6 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:52 [INFO] [stderr] 18: 0x55b907d01096 - std::panicking::try::do_call::he0af14a67f26ea71 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:348 [INFO] [stderr] 19: 0x55b907d01096 - std::panicking::try::h87d5f0e2c2fee1c5 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:325 [INFO] [stderr] 20: 0x55b907d01096 - std::panic::catch_unwind::he9266eec484f0287 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panic.rs:394 [INFO] [stderr] 21: 0x55b907d01096 - std::rt::lang_start_internal::hb54283a40e32dc37 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:51 [INFO] [stderr] 22: 0x55b907c81df7 - std::rt::lang_start::h32108224c27c9204 [INFO] [stderr] at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:67 [INFO] [stderr] 23: 0x55b907c818da - main [INFO] [stderr] 24: 0x7fc1b63d20b3 - __libc_start_main [INFO] [stderr] 25: 0x55b907c800be - _start [INFO] [stderr] 26: 0x0 - [INFO] running `Command { std: "docker" "inspect" "3850bd69fee6dd06361ace397dc8da9225fdd812b4134330964dbbfc5a0a3f4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3850bd69fee6dd06361ace397dc8da9225fdd812b4134330964dbbfc5a0a3f4f", kill_on_drop: false }` [INFO] [stdout] 3850bd69fee6dd06361ace397dc8da9225fdd812b4134330964dbbfc5a0a3f4f