[INFO] fetching crate ufind 0.3.1... [INFO] testing ufind-0.3.1 against 1.59.0 for beta-1.60-1 [INFO] extracting crate ufind 0.3.1 into /workspace/builds/worker-42/source [INFO] validating manifest of crates.io crate ufind 0.3.1 on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-42/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 40d1cca8696bb931b6b88ff2b037616289d28c3680f4e8589cb17411034a57fb [INFO] running `Command { std: "docker" "start" "-a" "40d1cca8696bb931b6b88ff2b037616289d28c3680f4e8589cb17411034a57fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40d1cca8696bb931b6b88ff2b037616289d28c3680f4e8589cb17411034a57fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40d1cca8696bb931b6b88ff2b037616289d28c3680f4e8589cb17411034a57fb", kill_on_drop: false }` [INFO] [stdout] 40d1cca8696bb931b6b88ff2b037616289d28c3680f4e8589cb17411034a57fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd0d39d375864b487b9bdf4d766e099a44fa91d397b960e999333cec19b15025 [INFO] running `Command { std: "docker" "start" "-a" "bd0d39d375864b487b9bdf4d766e099a44fa91d397b960e999333cec19b15025", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling clap v2.34.0 [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-8528d1923b04158b/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'couldn't create completion file: read-only filesystem or storage medium', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.34.0/src/app/parser.rs:134:25 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5615db83317c - std::backtrace_rs::backtrace::libunwind::trace::h91c465e73bf6c785 [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x5615db83317c - std::backtrace_rs::backtrace::trace_unsynchronized::hae9da36f5d58b5f3 [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5615db83317c - std::sys_common::backtrace::_print_fmt::h7f499fa126a7effb [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5615db83317c - ::fmt::h3e2b509ce2ce6007 [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5615db84f7ec - core::fmt::write::h753c7571fa063ecb [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/fmt/mod.rs:1168:17 [INFO] [stderr] 5: 0x5615db82ff63 - std::io::Write::write_fmt::h2815c0519c99ba09 [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/io/mod.rs:1660:15 [INFO] [stderr] 6: 0x5615db834f22 - std::sys_common::backtrace::_print::h64941a6fc8b0ed9b [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5615db834f22 - std::sys_common::backtrace::print::hcf25e43e1a9b0766 [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5615db834f22 - std::panicking::default_hook::{{closure}}::h78d3e6cf97fc623d [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x5615db834b05 - std::panicking::default_hook::hda898f8d3ad1a5ae [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x5615db835573 - std::panicking::rust_panic_with_hook::h1a5ea2d6c23051aa [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:606:17 [INFO] [stderr] 11: 0x5615db835290 - std::panicking::begin_panic_handler::{{closure}}::h07f549390938b73f [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x5615db833624 - std::sys_common::backtrace::__rust_end_short_backtrace::h5ec3758a92cfb00d [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x5615db834fc9 - rust_begin_unwind [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x5615db7be381 - core::panicking::panic_fmt::h3a79a6a99affe1d5 [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/panicking.rs:116:14 [INFO] [stderr] 15: 0x5615db7c132a - clap::app::parser::Parser::gen_completions::hbb33d5afe6f76ba9 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.34.0/src/app/parser.rs:134:25 [INFO] [stderr] 16: 0x5615db7c0522 - clap::app::App::gen_completions::h5b8d318cc359db8b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clap-2.34.0/src/app/mod.rs:1403:9 [INFO] [stderr] 17: 0x5615db7c065b - build_script_build::main::hbe7b5dd6e29f2da9 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:15:5 [INFO] [stderr] 18: 0x5615db7bf47b - core::ops::function::FnOnce::call_once::h7d6c98cced01a579 [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5615db7bf3ce - std::sys_common::backtrace::__rust_begin_short_backtrace::h47ae89818fe1db6f [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 20: 0x5615db7c05a1 - std::rt::lang_start::{{closure}}::h01db2c519424ade2 [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:145:18 [INFO] [stderr] 21: 0x5615db832830 - core::ops::function::impls:: for &F>::call_once::h443f738a8e9f947a [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5615db832830 - std::panicking::try::do_call::h1e21ba261ba489ec [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stderr] 23: 0x5615db832830 - std::panicking::try::h6afd48af8b6c96ac [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stderr] 24: 0x5615db832830 - std::panic::catch_unwind::h85dd95e0bab7fb60 [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stderr] 25: 0x5615db832830 - std::rt::lang_start_internal::{{closure}}::h038455e697c8b03e [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:128:48 [INFO] [stderr] 26: 0x5615db832830 - std::panicking::try::do_call::h6b0ad65979f3077a [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:406:40 [INFO] [stderr] 27: 0x5615db832830 - std::panicking::try::h010108d314169ac6 [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panicking.rs:370:19 [INFO] [stderr] 28: 0x5615db832830 - std::panic::catch_unwind::hff397f912b1535c2 [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/panic.rs:133:14 [INFO] [stderr] 29: 0x5615db832830 - std::rt::lang_start_internal::h52e73755f77c7dd9 [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:128:20 [INFO] [stderr] 30: 0x5615db7c0570 - std::rt::lang_start::he8219f93bf3d2dd5 [INFO] [stderr] at /rustc/9d1b2106e23b1abd32fce1f17267604a5102f57a/library/std/src/rt.rs:144:17 [INFO] [stderr] 31: 0x5615db7c074c - main [INFO] [stderr] 32: 0x7f110aba30b3 - __libc_start_main [INFO] [stderr] 33: 0x5615db7bea7e - _start [INFO] [stderr] 34: 0x0 - [INFO] running `Command { std: "docker" "inspect" "bd0d39d375864b487b9bdf4d766e099a44fa91d397b960e999333cec19b15025", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd0d39d375864b487b9bdf4d766e099a44fa91d397b960e999333cec19b15025", kill_on_drop: false }` [INFO] [stdout] bd0d39d375864b487b9bdf4d766e099a44fa91d397b960e999333cec19b15025