[INFO] fetching crate reference-counted-singleton 0.1.2... [INFO] checking reference-counted-singleton-0.1.2 against try#7f168b18704203996d3698515c88a036a9300946 for pr-102713 [INFO] extracting crate reference-counted-singleton 0.1.2 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate reference-counted-singleton 0.1.2 on toolchain 7f168b18704203996d3698515c88a036a9300946 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f168b18704203996d3698515c88a036a9300946" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate reference-counted-singleton 0.1.2 [INFO] finished tweaking crates.io crate reference-counted-singleton 0.1.2 [INFO] tweaked toml for crates.io crate reference-counted-singleton 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f168b18704203996d3698515c88a036a9300946" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f168b18704203996d3698515c88a036a9300946" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+7f168b18704203996d3698515c88a036a9300946" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0696dc51a2edca6ac16ada22494e73624176383b440bedfbb39cd5a52926740d [INFO] running `Command { std: "docker" "start" "-a" "0696dc51a2edca6ac16ada22494e73624176383b440bedfbb39cd5a52926740d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0696dc51a2edca6ac16ada22494e73624176383b440bedfbb39cd5a52926740d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0696dc51a2edca6ac16ada22494e73624176383b440bedfbb39cd5a52926740d", kill_on_drop: false }` [INFO] [stdout] 0696dc51a2edca6ac16ada22494e73624176383b440bedfbb39cd5a52926740d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+7f168b18704203996d3698515c88a036a9300946" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3a428932697d3327f9e3f797a0e029d8e4c7ea5c2a78a3f2af4dd3e9ed5406c [INFO] running `Command { std: "docker" "start" "-a" "a3a428932697d3327f9e3f797a0e029d8e4c7ea5c2a78a3f2af4dd3e9ed5406c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.46 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Compiling futures-channel v0.3.24 [INFO] [stderr] Compiling libc v0.2.134 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Checking futures-sink v0.3.24 [INFO] [stderr] error: failed to run custom build command for `libc v0.2.134` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-cdfa7d4c005eb27b/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-0.2.134/build.rs:9:63 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556ea355a3b0 - std::backtrace_rs::backtrace::libunwind::trace::h272192fd415f0b3c [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 1: 0x556ea355a3b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2a5e0630b0e0d881 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x556ea355a3b0 - std::sys_common::backtrace::_print_fmt::hf57808ada21b1ebf [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stderr] 3: 0x556ea355a3b0 - ::fmt::h18ae96d7db9628ad [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stderr] 4: 0x556ea357751e - core::fmt::write::hee6b0532721a8651 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/fmt/mod.rs:1209:17 [INFO] [stderr] 5: 0x556ea3557675 - std::io::Write::write_fmt::hafba618f3bc97454 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/io/mod.rs:1679:15 [INFO] [stderr] 6: 0x556ea355ba43 - std::sys_common::backtrace::_print::h74fb997f2b55d4f9 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stderr] 7: 0x556ea355ba43 - std::sys_common::backtrace::print::he49c1d9f151f97f9 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stderr] 8: 0x556ea355ba43 - std::panicking::default_hook::{{closure}}::h2f6b0a6a52bc561a [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:267:22 [INFO] [stderr] 9: 0x556ea355b71a - std::panicking::default_hook::hf844ebabb730aed2 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:286:9 [INFO] [stderr] 10: 0x556ea355c0e9 - std::panicking::rust_panic_with_hook::hb422611a3d08d6cf [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:669:13 [INFO] [stderr] 11: 0x556ea355bfe7 - std::panicking::begin_panic_handler::{{closure}}::hd9e8a37e387fa997 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:560:13 [INFO] [stderr] 12: 0x556ea355a85c - std::sys_common::backtrace::__rust_end_short_backtrace::hd2534f8e5fcb87d5 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stderr] 13: 0x556ea355bd02 - rust_begin_unwind [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:556:5 [INFO] [stderr] 14: 0x556ea3533b43 - core::panicking::panic_fmt::h5f2bd38a25d40d16 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/panicking.rs:142:14 [INFO] [stderr] 15: 0x556ea35767c1 - core::panicking::panic_display::hb3c8e308bae025f9 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/panicking.rs:72:5 [INFO] [stderr] 16: 0x556ea357676b - core::panicking::panic_str::h630f9c845e2055b6 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/panicking.rs:56:5 [INFO] [stderr] 17: 0x556ea35339b6 - core::option::expect_failed::h3e8649517490df51 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/option.rs:1876:5 [INFO] [stderr] 18: 0x556ea353da62 - core::option::Option::expect::hfd00de1bee7fcd37 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/option.rs:741:21 [INFO] [stderr] 19: 0x556ea3538e34 - build_script_build::main::h2ddddf9f7f53ac56 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.134/build.rs:9:41 [INFO] [stderr] 20: 0x556ea353af9b - core::ops::function::FnOnce::call_once::h1275197ef6523236 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/ops/function.rs:251:5 [INFO] [stderr] 21: 0x556ea353cc4e - std::sys_common::backtrace::__rust_begin_short_backtrace::h9cd7fc39a3c78c1e [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stderr] 22: 0x556ea3536021 - std::rt::lang_start::{{closure}}::ha6523fd33fabf5a8 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/rt.rs:166:18 [INFO] [stderr] 23: 0x556ea3554baf - core::ops::function::impls:: for &F>::call_once::h4518e1ceb08ee63b [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/core/src/ops/function.rs:286:13 [INFO] [stderr] 24: 0x556ea3554baf - std::panicking::try::do_call::ha4bd51994a547f8d [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:464:40 [INFO] [stderr] 25: 0x556ea3554baf - std::panicking::try::h1fdf560e3d8f43e9 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:428:19 [INFO] [stderr] 26: 0x556ea3554baf - std::panic::catch_unwind::hf4b79a1c754b919d [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panic.rs:137:14 [INFO] [stderr] 27: 0x556ea3554baf - std::rt::lang_start_internal::{{closure}}::h1efda4d50caf5f5b [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/rt.rs:148:48 [INFO] [stderr] 28: 0x556ea3554baf - std::panicking::try::do_call::h9c8f2157596b2765 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:464:40 [INFO] [stderr] 29: 0x556ea3554baf - std::panicking::try::h3f8942930b75dc06 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panicking.rs:428:19 [INFO] [stderr] 30: 0x556ea3554baf - std::panic::catch_unwind::h295fbf51d54777f7 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/panic.rs:137:14 [INFO] [stderr] 31: 0x556ea3554baf - std::rt::lang_start_internal::hc8e9a2b848d5858d [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/rt.rs:148:20 [INFO] [stderr] 32: 0x556ea3535ffa - std::rt::lang_start::hb55783f0c1269043 [INFO] [stderr] at /rustc/7f168b18704203996d3698515c88a036a9300946/library/std/src/rt.rs:165:17 [INFO] [stderr] 33: 0x556ea353a601 - main [INFO] [stderr] 34: 0x7fc88547e083 - __libc_start_main [INFO] [stderr] 35: 0x556ea3533d1e - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "a3a428932697d3327f9e3f797a0e029d8e4c7ea5c2a78a3f2af4dd3e9ed5406c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3a428932697d3327f9e3f797a0e029d8e4c7ea5c2a78a3f2af4dd3e9ed5406c", kill_on_drop: false }` [INFO] [stdout] a3a428932697d3327f9e3f797a0e029d8e4c7ea5c2a78a3f2af4dd3e9ed5406c