[INFO] fetching crate src 0.0.6... [INFO] crate src 0.0.6 is already in cache [INFO] crate src 0.0.6 is already in cache [INFO] crate src 0.0.6 is already in cache [INFO] crate src 0.0.6 is already in cache [INFO] crate src 0.0.6 is already in cache [INFO] crate src 0.0.6 is already in cache [INFO] crate src 0.0.6 is already in cache [INFO] crate src 0.0.6 is already in cache [INFO] crate src 0.0.6 is already in cache [INFO] crate src 0.0.6 is already in cache [INFO] crate src 0.0.6 is already in cache [INFO] crate src 0.0.6 is already in cache [INFO] crate src 0.0.6 is already in cache [INFO] crate src 0.0.6 is already in cache [INFO] checking src-0.0.6 against try#7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e for pr-99880 [INFO] extracting crate src 0.0.6 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate src 0.0.6 on toolchain 7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate src 0.0.6 [INFO] finished tweaking crates.io crate src 0.0.6 [INFO] tweaked toml for crates.io crate src 0.0.6 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate crates.io crate src 0.0.6 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cb32b743ac5c6d3b08e49d073a18d5897bffda0f1c14c7c24cacd27575eec972 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cb32b743ac5c6d3b08e49d073a18d5897bffda0f1c14c7c24cacd27575eec972", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb32b743ac5c6d3b08e49d073a18d5897bffda0f1c14c7c24cacd27575eec972", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb32b743ac5c6d3b08e49d073a18d5897bffda0f1c14c7c24cacd27575eec972", kill_on_drop: false }` [INFO] [stdout] cb32b743ac5c6d3b08e49d073a18d5897bffda0f1c14c7c24cacd27575eec972 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51a02907e530884a2318908ecdf61139739a0aa4e28a9da653f7870814f2d935 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "51a02907e530884a2318908ecdf61139739a0aa4e28a9da653f7870814f2d935", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking unic-char-range v0.9.0 [INFO] [stderr] Checking smallvec v1.3.0 [INFO] [stderr] Checking unic-common v0.9.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking deunicode v0.4.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking number_prefix v0.3.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking humansize v1.1.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking dtoa v0.4.5 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking unic-char-property v0.9.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking unic-ucd-version v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] error: failed to run custom build command for `libc v0.2.68` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-a9ec6d53c1ff640b/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Failed to get rustc version', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.68/build.rs:7:31 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x557f70087f50 - std::backtrace_rs::backtrace::libunwind::trace::h00d1e5a76557e524 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 1: 0x557f70087f50 - std::backtrace_rs::backtrace::trace_unsynchronized::h7030e598eb17fdb3 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x557f70087f50 - std::sys_common::backtrace::_print_fmt::hc5a28f8aac102f0f [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stderr] 3: 0x557f70087f50 - ::fmt::h8ce04244e72f3145 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stderr] 4: 0x557f700a5d9c - core::fmt::write::hed5f584c56e23105 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/fmt/mod.rs:1198:17 [INFO] [stderr] 5: 0x557f70085525 - std::io::Write::write_fmt::h83787e195c5caffe [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/io/mod.rs:1672:15 [INFO] [stderr] 6: 0x557f700896a1 - std::sys_common::backtrace::_print::hdf547503fbfc4c66 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stderr] 7: 0x557f700896a1 - std::sys_common::backtrace::print::he437102e8a30310a [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stderr] 8: 0x557f700896a1 - std::panicking::default_hook::{{closure}}::h32f1cc65f1b1c901 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:295:22 [INFO] [stderr] 9: 0x557f70089373 - std::panicking::default_hook::h915c8b207b44d1f2 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:314:9 [INFO] [stderr] 10: 0x557f70089d43 - std::panicking::rust_panic_with_hook::hbbbe8d7e1cb4e82e [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:698:17 [INFO] [stderr] 11: 0x557f70089c37 - std::panicking::begin_panic_handler::{{closure}}::hbf929e570764bc16 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:588:13 [INFO] [stderr] 12: 0x557f70088474 - std::sys_common::backtrace::__rust_end_short_backtrace::hf4482b22446b5996 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stderr] 13: 0x557f70089962 - rust_begin_unwind [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:584:5 [INFO] [stderr] 14: 0x557f70061893 - core::panicking::panic_fmt::hb0714206ebbf8ba2 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/panicking.rs:142:14 [INFO] [stderr] 15: 0x557f700a4f81 - core::panicking::panic_display::hc6a65a029a1616f1 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/panicking.rs:72:5 [INFO] [stderr] 16: 0x557f700a4f2b - core::panicking::panic_str::hedd8b1aa9fb19198 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/panicking.rs:56:5 [INFO] [stderr] 17: 0x557f70061706 - core::option::expect_failed::hccc420325731c76f [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/option.rs:1874:5 [INFO] [stderr] 18: 0x557f70063d22 - core::option::Option::expect::heb48c0f203bfdf2f [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/option.rs:738:21 [INFO] [stderr] 19: 0x557f7006a1d7 - build_script_build::main::h5b4909eeb0bcb8bb [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.68/build.rs:7:9 [INFO] [stderr] 20: 0x557f7006b9ab - core::ops::function::FnOnce::call_once::hcedc4600ceae41ec [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/ops/function.rs:248:5 [INFO] [stderr] 21: 0x557f7006b6de - std::sys_common::backtrace::__rust_begin_short_backtrace::h6cee484b75584e62 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stderr] 22: 0x557f700681d1 - std::rt::lang_start::{{closure}}::h49a18d9847b1c8f0 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/rt.rs:145:18 [INFO] [stderr] 23: 0x557f7008283a - core::ops::function::impls:: for &F>::call_once::h85456ac169513433 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/core/src/ops/function.rs:280:13 [INFO] [stderr] 24: 0x557f7008283a - std::panicking::try::do_call::h86728a2711222fd9 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:492:40 [INFO] [stderr] 25: 0x557f7008283a - std::panicking::try::h8b1457b95e546711 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:456:19 [INFO] [stderr] 26: 0x557f7008283a - std::panic::catch_unwind::h2ac4e8d8793abc9a [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panic.rs:137:14 [INFO] [stderr] 27: 0x557f7008283a - std::rt::lang_start_internal::{{closure}}::hcb2254011a8e369c [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/rt.rs:128:48 [INFO] [stderr] 28: 0x557f7008283a - std::panicking::try::do_call::h828c6074437c82ea [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:492:40 [INFO] [stderr] 29: 0x557f7008283a - std::panicking::try::h423f906481771172 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panicking.rs:456:19 [INFO] [stderr] 30: 0x557f7008283a - std::panic::catch_unwind::h1b4f03e479077ed0 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/panic.rs:137:14 [INFO] [stderr] 31: 0x557f7008283a - std::rt::lang_start_internal::hbb28bc22991b184e [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/rt.rs:128:20 [INFO] [stderr] 32: 0x557f700681a0 - std::rt::lang_start::h62ef7e66f157d062 [INFO] [stderr] at /rustc/7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e/library/std/src/rt.rs:144:17 [INFO] [stderr] 33: 0x557f7006b67c - main [INFO] [stderr] 34: 0x7f67472c9083 - __libc_start_main [INFO] [stderr] 35: 0x557f70061a8e - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "51a02907e530884a2318908ecdf61139739a0aa4e28a9da653f7870814f2d935", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51a02907e530884a2318908ecdf61139739a0aa4e28a9da653f7870814f2d935", kill_on_drop: false }` [INFO] [stdout] 51a02907e530884a2318908ecdf61139739a0aa4e28a9da653f7870814f2d935