[INFO] fetching crate singletonum-derive 0.2.0... [INFO] checking singletonum-derive-0.2.0 against try#7caa343c25a692951246ea2f0664520b9c3f46da for pr-95985 [INFO] extracting crate singletonum-derive 0.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate singletonum-derive 0.2.0 on toolchain 7caa343c25a692951246ea2f0664520b9c3f46da [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate singletonum-derive 0.2.0 [INFO] finished tweaking crates.io crate singletonum-derive 0.2.0 [INFO] tweaked toml for crates.io crate singletonum-derive 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d8adac995538c915037f6e3493a7e64fcd8132d41853dad1558c232c98ee25bc [INFO] running `Command { std: "docker" "start" "-a" "d8adac995538c915037f6e3493a7e64fcd8132d41853dad1558c232c98ee25bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d8adac995538c915037f6e3493a7e64fcd8132d41853dad1558c232c98ee25bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8adac995538c915037f6e3493a7e64fcd8132d41853dad1558c232c98ee25bc", kill_on_drop: false }` [INFO] [stdout] d8adac995538c915037f6e3493a7e64fcd8132d41853dad1558c232c98ee25bc [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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+7caa343c25a692951246ea2f0664520b9c3f46da" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e8b2dbfa53797de434957dc793caf8142b4b4d36b5ff4a4a4102d34d21b5c30 [INFO] running `Command { std: "docker" "start" "-a" "8e8b2dbfa53797de434957dc793caf8142b4b4d36b5ff4a4a4102d34d21b5c30", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling syn v1.0.102 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling libc v0.2.135 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking gimli v0.26.2 [INFO] [stderr] Checking unicode-xid v0.0.4 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking quote v0.3.15 [INFO] [stderr] Checking unicode-segmentation v1.10.0 [INFO] [stderr] Checking miniz_oxide v0.5.4 [INFO] [stderr] Checking synom v0.11.3 [INFO] [stderr] Checking syn v0.11.11 [INFO] [stderr] Checking heck v0.3.3 [INFO] [stderr] error: failed to run custom build command for `libc v0.2.135` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-d3ab648c75b2382d/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-0.2.135/build.rs:9:63 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55d22aae3700 - std::backtrace_rs::backtrace::libunwind::trace::h573ab86ea3644580 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 1: 0x55d22aae3700 - std::backtrace_rs::backtrace::trace_unsynchronized::h9da9d6a9e58ce053 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55d22aae3700 - std::sys_common::backtrace::_print_fmt::h98f0837b3780505f [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/sys_common/backtrace.rs:65:5 [INFO] [stderr] 3: 0x55d22aae3700 - ::fmt::h0967112ba489eb71 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x55d22ab006ee - core::fmt::write::h0fcb20783be7be22 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/core/src/fmt/mod.rs:1209:17 [INFO] [stderr] 5: 0x55d22aae0db5 - std::io::Write::write_fmt::h94bb2383e860747d [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/io/mod.rs:1682:15 [INFO] [stderr] 6: 0x55d22aae34c5 - std::sys_common::backtrace::_print::h4a346b58be3852d7 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 7: 0x55d22aae34c5 - std::sys_common::backtrace::print::h26d62e922432d35e [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 8: 0x55d22aae4bcf - std::panicking::default_hook::{{closure}}::h0dd7e99ed0a38d14 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/panicking.rs:267:22 [INFO] [stderr] 9: 0x55d22aae490a - std::panicking::default_hook::h6db7cf6ece640d07 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/panicking.rs:286:9 [INFO] [stderr] 10: 0x55d22aae52c8 - std::panicking::rust_panic_with_hook::hb093cb9787e201bd [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/panicking.rs:688:13 [INFO] [stderr] 11: 0x55d22aae5067 - std::panicking::begin_panic_handler::{{closure}}::hcde04e527e32e1c0 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/panicking.rs:579:13 [INFO] [stderr] 12: 0x55d22aae3bac - std::sys_common::backtrace::__rust_end_short_backtrace::hd30c65f903a73d8c [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/sys_common/backtrace.rs:137:18 [INFO] [stderr] 13: 0x55d22aae4d82 - rust_begin_unwind [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/panicking.rs:575:5 [INFO] [stderr] 14: 0x55d22aabd083 - core::panicking::panic_fmt::h2a370b4c4ea9e90c [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/core/src/panicking.rs:65:14 [INFO] [stderr] 15: 0x55d22aaff991 - core::panicking::panic_display::hb1a9add9809b6c7d [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/core/src/panicking.rs:139:5 [INFO] [stderr] 16: 0x55d22aaff93b - core::panicking::panic_str::h6f3ff1555bed6984 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/core/src/panicking.rs:123:5 [INFO] [stderr] 17: 0x55d22aabd046 - core::option::expect_failed::h9b41bd36ed8e9bc7 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/core/src/option.rs:1876:5 [INFO] [stderr] 18: 0x55d22aac70d2 - core::option::Option::expect::h298830fe727e3ca5 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/core/src/option.rs:741:21 [INFO] [stderr] 19: 0x55d22aac2444 - build_script_build::main::hd0919cd37eca6451 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.135/build.rs:9:41 [INFO] [stderr] 20: 0x55d22aac45fb - core::ops::function::FnOnce::call_once::h99b702defee97730 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/core/src/ops/function.rs:251:5 [INFO] [stderr] 21: 0x55d22aac6b0e - std::sys_common::backtrace::__rust_begin_short_backtrace::h35c68fbf5308b04d [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/sys_common/backtrace.rs:121:18 [INFO] [stderr] 22: 0x55d22aabf6f1 - std::rt::lang_start::{{closure}}::h1b01493c2dcdcbc0 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/rt.rs:166:18 [INFO] [stderr] 23: 0x55d22aade11b - core::ops::function::impls:: for &F>::call_once::hdb3ea4c81a19b2f9 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/core/src/ops/function.rs:286:13 [INFO] [stderr] 24: 0x55d22aade11b - std::panicking::try::do_call::h647cf2f127a8ca25 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/panicking.rs:483:40 [INFO] [stderr] 25: 0x55d22aade11b - std::panicking::try::hbdb1fb6f6f20ce47 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/panicking.rs:447:19 [INFO] [stderr] 26: 0x55d22aade11b - std::panic::catch_unwind::h76364c339f329a92 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/panic.rs:137:14 [INFO] [stderr] 27: 0x55d22aade11b - std::rt::lang_start_internal::{{closure}}::h4cb588b3192017cb [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/rt.rs:148:48 [INFO] [stderr] 28: 0x55d22aade11b - std::panicking::try::do_call::ha9dcaba2aecf6fcc [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/panicking.rs:483:40 [INFO] [stderr] 29: 0x55d22aade11b - std::panicking::try::h52b548aec8b2a606 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/panicking.rs:447:19 [INFO] [stderr] 30: 0x55d22aade11b - std::panic::catch_unwind::hf432e46f01aa14b4 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/panic.rs:137:14 [INFO] [stderr] 31: 0x55d22aade11b - std::rt::lang_start_internal::h6911d4a77e3a0c7a [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/rt.rs:148:20 [INFO] [stderr] 32: 0x55d22aabf6ca - std::rt::lang_start::h0724df8b4b610180 [INFO] [stderr] at /rustc/7caa343c25a692951246ea2f0664520b9c3f46da/library/std/src/rt.rs:165:17 [INFO] [stderr] 33: 0x55d22aac3c11 - main [INFO] [stderr] 34: 0x7f3cd1f81083 - __libc_start_main [INFO] [stderr] 35: 0x55d22aabd3ce - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8e8b2dbfa53797de434957dc793caf8142b4b4d36b5ff4a4a4102d34d21b5c30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e8b2dbfa53797de434957dc793caf8142b4b4d36b5ff4a4a4102d34d21b5c30", kill_on_drop: false }` [INFO] [stdout] 8e8b2dbfa53797de434957dc793caf8142b4b4d36b5ff4a4a4102d34d21b5c30