[INFO] cloning repository https://github.com/casimir/ufind [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casimir/ufind" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasimir%2Fufind", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasimir%2Fufind'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f43e2ac87871d2aa1c40b1b5566b31ff1f17887b [INFO] checking casimir/ufind/f43e2ac87871d2aa1c40b1b5566b31ff1f17887b against master#426a60abc213b28a7c7198e475476b6e650d871f for pr-129199 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasimir%2Fufind" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/casimir/ufind on toolchain 426a60abc213b28a7c7198e475476b6e650d871f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+426a60abc213b28a7c7198e475476b6e650d871f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/casimir/ufind [INFO] finished tweaking git repo https://github.com/casimir/ufind [INFO] tweaked toml for git repo https://github.com/casimir/ufind written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/casimir/ufind already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+426a60abc213b28a7c7198e475476b6e650d871f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vec_map v0.7.0 [INFO] [stderr] Downloaded atty v0.2.2 [INFO] [stderr] Downloaded clap v2.23.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+426a60abc213b28a7c7198e475476b6e650d871f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1fca537b6b801d98600157d40e3f4e7783feb02218e2e6ad9d8f5f4db1e97ada [INFO] running `Command { std: "docker" "start" "-a" "1fca537b6b801d98600157d40e3f4e7783feb02218e2e6ad9d8f5f4db1e97ada", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1fca537b6b801d98600157d40e3f4e7783feb02218e2e6ad9d8f5f4db1e97ada", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fca537b6b801d98600157d40e3f4e7783feb02218e2e6ad9d8f5f4db1e97ada", kill_on_drop: false }` [INFO] [stdout] 1fca537b6b801d98600157d40e3f4e7783feb02218e2e6ad9d8f5f4db1e97ada [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+426a60abc213b28a7c7198e475476b6e650d871f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 260a3fb040d4ac8a2b968bdd0ea55dc3117e305a646be7a5ab46d68aeaec8f74 [INFO] running `Command { std: "docker" "start" "-a" "260a3fb040d4ac8a2b968bdd0ea55dc3117e305a646be7a5ab46d68aeaec8f74", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.21 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling unicode-segmentation v1.1.0 [INFO] [stderr] Compiling bitflags v0.8.2 [INFO] [stderr] Compiling vec_map v0.7.0 [INFO] [stderr] Compiling term_size v0.2.3 [INFO] [stderr] Compiling atty v0.2.2 [INFO] [stderr] Compiling clap v2.23.1 [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] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/ufind-b0c01836fc8605a4/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/clap-2.23.1/src/app/parser.rs:113:25: [INFO] [stderr] couldn't create completion file: read-only filesystem or storage medium [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55f277ef113d - std::backtrace_rs::backtrace::libunwind::trace::h04c181e5bd239ee8 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stderr] 1: 0x55f277ef113d - std::backtrace_rs::backtrace::trace_unsynchronized::he0e13f8fe2b085a2 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55f277ef113d - std::sys::backtrace::_print_fmt::h16326286a7aadc5c [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x55f277ef113d - ::fmt::h0c40483fc8377a59 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x55f277f0e64b - core::fmt::rt::Argument::fmt::hfcdf7b6fea740a6e [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x55f277f0e64b - core::fmt::write::h1817e2d01402270d [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/core/src/fmt/mod.rs:1178:21 [INFO] [stderr] 6: 0x55f277eee9c3 - std::io::Write::write_fmt::hb655074fe0f13a8b [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/io/mod.rs:1823:15 [INFO] [stderr] 7: 0x55f277ef22f2 - std::sys::backtrace::BacktraceLock::print::hd6f055ae8cfca4e4 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 8: 0x55f277ef22f2 - std::panicking::default_hook::{{closure}}::hc35f7e051729b604 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/panicking.rs:266:22 [INFO] [stderr] 9: 0x55f277ef1f5e - std::panicking::default_hook::h5973fa20144d7932 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/panicking.rs:293:9 [INFO] [stderr] 10: 0x55f277ef2b9f - std::panicking::rust_panic_with_hook::ha0b84e9bdb220a2a [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/panicking.rs:797:13 [INFO] [stderr] 11: 0x55f277ef2887 - std::panicking::begin_panic_handler::{{closure}}::hbbcca6470a486438 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/panicking.rs:671:13 [INFO] [stderr] 12: 0x55f277ef1629 - std::sys::backtrace::__rust_end_short_backtrace::h73033d4d8da546b8 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/sys/backtrace.rs:170:18 [INFO] [stderr] 13: 0x55f277ef2514 - rust_begin_unwind [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/panicking.rs:662:5 [INFO] [stderr] 14: 0x55f277f0d753 - core::panicking::panic_fmt::h22c48c0b9002c2e7 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/core/src/panicking.rs:74:14 [INFO] [stderr] 15: 0x55f277e90d64 - clap::app::parser::Parser::gen_completions::h450d3b1ba122be32 [INFO] [stderr] 16: 0x55f277e8efe6 - clap::app::App::gen_completions::h8d36e0c282668235 [INFO] [stderr] 17: 0x55f277e9017e - build_script_build::main::heba7cd72f85c59b9 [INFO] [stderr] 18: 0x55f277e8f373 - core::ops::function::FnOnce::call_once::ha0c3e3f353614612 [INFO] [stderr] 19: 0x55f277e8ee86 - std::sys::backtrace::__rust_begin_short_backtrace::h7fd563fa1c5228a9 [INFO] [stderr] 20: 0x55f277e8ee59 - std::rt::lang_start::{{closure}}::h22edcb4e367151e6 [INFO] [stderr] 21: 0x55f277eebed0 - core::ops::function::impls:: for &F>::call_once::h926dc3d4bedafcdf [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 22: 0x55f277eebed0 - std::panicking::try::do_call::hb3cb0b4a5bed3f86 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/panicking.rs:554:40 [INFO] [stderr] 23: 0x55f277eebed0 - std::panicking::try::h555a94a577f2114c [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/panicking.rs:518:19 [INFO] [stderr] 24: 0x55f277eebed0 - std::panic::catch_unwind::h3e3f47279c569833 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/panic.rs:345:14 [INFO] [stderr] 25: 0x55f277eebed0 - std::rt::lang_start_internal::{{closure}}::h8d4ae4313cdd17a7 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/rt.rs:143:48 [INFO] [stderr] 26: 0x55f277eebed0 - std::panicking::try::do_call::h8565d136dff4f6b4 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/panicking.rs:554:40 [INFO] [stderr] 27: 0x55f277eebed0 - std::panicking::try::h7e5d530cedd828ed [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/panicking.rs:518:19 [INFO] [stderr] 28: 0x55f277eebed0 - std::panic::catch_unwind::h1864e2992c7ab8f7 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/panic.rs:345:14 [INFO] [stderr] 29: 0x55f277eebed0 - std::rt::lang_start_internal::h861683949f0796b2 [INFO] [stderr] at /rustc/426a60abc213b28a7c7198e475476b6e650d871f/library/std/src/rt.rs:143:20 [INFO] [stderr] 30: 0x55f277e8ee37 - std::rt::lang_start::h529afd9f282820e1 [INFO] [stderr] 31: 0x55f277e90285 - main [INFO] [stderr] 32: 0x7f44964b6d90 - [INFO] [stderr] 33: 0x7f44964b6e40 - __libc_start_main [INFO] [stderr] 34: 0x55f277e8ec65 - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "260a3fb040d4ac8a2b968bdd0ea55dc3117e305a646be7a5ab46d68aeaec8f74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "260a3fb040d4ac8a2b968bdd0ea55dc3117e305a646be7a5ab46d68aeaec8f74", kill_on_drop: false }` [INFO] [stdout] 260a3fb040d4ac8a2b968bdd0ea55dc3117e305a646be7a5ab46d68aeaec8f74