[INFO] cloning repository https://github.com/Wkkkkk/hash_rings [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wkkkkk/hash_rings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWkkkkk%2Fhash_rings", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWkkkkk%2Fhash_rings'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 178fb8d567298b924f015a621de45d240dcadd65 [INFO] checking Wkkkkk/hash_rings against try#742889a08e10036dc30b8a7308f2a2a15b706883 for pr-103450-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWkkkkk%2Fhash_rings" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Wkkkkk/hash_rings on toolchain 742889a08e10036dc30b8a7308f2a2a15b706883 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+742889a08e10036dc30b8a7308f2a2a15b706883" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Wkkkkk/hash_rings [INFO] finished tweaking git repo https://github.com/Wkkkkk/hash_rings [INFO] tweaked toml for git repo https://github.com/Wkkkkk/hash_rings written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Wkkkkk/hash_rings already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+742889a08e10036dc30b8a7308f2a2a15b706883" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+742889a08e10036dc30b8a7308f2a2a15b706883" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c29c2b5e52474e3c34ed59245059286529990a7c8b11fbdac8a3226ee2ff272 [INFO] running `Command { std: "docker" "start" "-a" "0c29c2b5e52474e3c34ed59245059286529990a7c8b11fbdac8a3226ee2ff272", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c29c2b5e52474e3c34ed59245059286529990a7c8b11fbdac8a3226ee2ff272", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c29c2b5e52474e3c34ed59245059286529990a7c8b11fbdac8a3226ee2ff272", kill_on_drop: false }` [INFO] [stdout] 0c29c2b5e52474e3c34ed59245059286529990a7c8b11fbdac8a3226ee2ff272 [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" "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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+742889a08e10036dc30b8a7308f2a2a15b706883" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b7f28648bce7414e7a1d943078ee272c2c855a7d519072f7d892184ee7a33fe [INFO] running `Command { std: "docker" "start" "-a" "3b7f28648bce7414e7a1d943078ee272c2c855a7d519072f7d892184ee7a33fe", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking hamming v0.1.3 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking primal-estimate v0.2.1 [INFO] [stderr] Checking siphasher v0.2.3 [INFO] [stderr] Checking primal-bit v0.2.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] error: failed to run custom build command for `libc v0.2.102` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-58e3e79575461712/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=build.rs [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Failed to get rustc version', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.102/build.rs:9:63 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55d4b6978410 - std::backtrace_rs::backtrace::libunwind::trace::h0cfde6bcd0e9218b [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 1: 0x55d4b6978410 - std::backtrace_rs::backtrace::trace_unsynchronized::h73414317b67b9258 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55d4b6978410 - std::sys_common::backtrace::_print_fmt::hc72856056229ba99 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/sys_common/backtrace.rs:65:5 [INFO] [stderr] 3: 0x55d4b6978410 - ::fmt::h9bcc505be023bcd9 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x55d4b69953fe - core::fmt::write::hbbd758e71b4c78c5 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/core/src/fmt/mod.rs:1209:17 [INFO] [stderr] 5: 0x55d4b6975ac5 - std::io::Write::write_fmt::hb0acfa68241718b6 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/io/mod.rs:1682:15 [INFO] [stderr] 6: 0x55d4b69781d5 - std::sys_common::backtrace::_print::h62204460ef6db810 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 7: 0x55d4b69781d5 - std::sys_common::backtrace::print::h23fdf6726ef1c6e2 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 8: 0x55d4b69798df - std::panicking::default_hook::{{closure}}::h7043b9f3773e01d7 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/panicking.rs:267:22 [INFO] [stderr] 9: 0x55d4b697961a - std::panicking::default_hook::hb0018265d6ff17ae [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/panicking.rs:286:9 [INFO] [stderr] 10: 0x55d4b6979fd8 - std::panicking::rust_panic_with_hook::h96053eff6f8faa55 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/panicking.rs:688:13 [INFO] [stderr] 11: 0x55d4b6979d77 - std::panicking::begin_panic_handler::{{closure}}::hce407c1c2ff6f91f [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/panicking.rs:579:13 [INFO] [stderr] 12: 0x55d4b69788bc - std::sys_common::backtrace::__rust_end_short_backtrace::h02aa76146c054f19 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/sys_common/backtrace.rs:137:18 [INFO] [stderr] 13: 0x55d4b6979a92 - rust_begin_unwind [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/panicking.rs:575:5 [INFO] [stderr] 14: 0x55d4b6952083 - core::panicking::panic_fmt::h2ab19d77581e7904 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/core/src/panicking.rs:65:14 [INFO] [stderr] 15: 0x55d4b69946a1 - core::panicking::panic_display::h94f12c889dad2e7f [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/core/src/panicking.rs:139:5 [INFO] [stderr] 16: 0x55d4b699464b - core::panicking::panic_str::h73803a165ff54ccb [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/core/src/panicking.rs:123:5 [INFO] [stderr] 17: 0x55d4b6952046 - core::option::expect_failed::h8daa48383042e80a [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/core/src/option.rs:1879:5 [INFO] [stderr] 18: 0x55d4b695be42 - core::option::Option::expect::h51919b930eda8134 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/core/src/option.rs:741:21 [INFO] [stderr] 19: 0x55d4b6957d24 - build_script_build::main::h31d602e14bfbaac3 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.102/build.rs:9:41 [INFO] [stderr] 20: 0x55d4b695ab0b - core::ops::function::FnOnce::call_once::hb414abcc945df4d3 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/core/src/ops/function.rs:251:5 [INFO] [stderr] 21: 0x55d4b695b81e - std::sys_common::backtrace::__rust_begin_short_backtrace::h1f539939fdbd00d2 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/sys_common/backtrace.rs:121:18 [INFO] [stderr] 22: 0x55d4b69546c1 - std::rt::lang_start::{{closure}}::h2bf95fdf5edc4a58 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/rt.rs:166:18 [INFO] [stderr] 23: 0x55d4b6972e2b - core::ops::function::impls:: for &F>::call_once::h5d47dd4b19bce991 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/core/src/ops/function.rs:286:13 [INFO] [stderr] 24: 0x55d4b6972e2b - std::panicking::try::do_call::h12db108a75bff364 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/panicking.rs:483:40 [INFO] [stderr] 25: 0x55d4b6972e2b - std::panicking::try::hb313b71e6243e635 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/panicking.rs:447:19 [INFO] [stderr] 26: 0x55d4b6972e2b - std::panic::catch_unwind::hc8863488ba4869e0 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/panic.rs:137:14 [INFO] [stderr] 27: 0x55d4b6972e2b - std::rt::lang_start_internal::{{closure}}::h985017cd696ff8af [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/rt.rs:148:48 [INFO] [stderr] 28: 0x55d4b6972e2b - std::panicking::try::do_call::h0f7ad2cd832b0126 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/panicking.rs:483:40 [INFO] [stderr] 29: 0x55d4b6972e2b - std::panicking::try::h68f249420edfb7ca [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/panicking.rs:447:19 [INFO] [stderr] 30: 0x55d4b6972e2b - std::panic::catch_unwind::h7f32ea3d29c91351 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/panic.rs:137:14 [INFO] [stderr] 31: 0x55d4b6972e2b - std::rt::lang_start_internal::hcf55cd02fe214e16 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/rt.rs:148:20 [INFO] [stderr] 32: 0x55d4b695469a - std::rt::lang_start::h88f35b168c24e995 [INFO] [stderr] at /rustc/742889a08e10036dc30b8a7308f2a2a15b706883/library/std/src/rt.rs:165:17 [INFO] [stderr] 33: 0x55d4b69591fe - main [INFO] [stderr] 34: 0x7f74ce460083 - __libc_start_main [INFO] [stderr] 35: 0x55d4b69523ce - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3b7f28648bce7414e7a1d943078ee272c2c855a7d519072f7d892184ee7a33fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b7f28648bce7414e7a1d943078ee272c2c855a7d519072f7d892184ee7a33fe", kill_on_drop: false }` [INFO] [stdout] 3b7f28648bce7414e7a1d943078ee272c2c855a7d519072f7d892184ee7a33fe