[INFO] cloning repository https://github.com/aisrael/rust-closures-futures-async-await [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aisrael/rust-closures-futures-async-await" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisrael%2Frust-closures-futures-async-await", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisrael%2Frust-closures-futures-async-await'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 37195081e9cb68a7432171bd5de23e6b4fb586b9 [INFO] checking aisrael/rust-closures-futures-async-await against try#d85a7505e49363642b460e105973798063a683b4 for pr-103914 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faisrael%2Frust-closures-futures-async-await" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aisrael/rust-closures-futures-async-await on toolchain d85a7505e49363642b460e105973798063a683b4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d85a7505e49363642b460e105973798063a683b4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aisrael/rust-closures-futures-async-await [INFO] finished tweaking git repo https://github.com/aisrael/rust-closures-futures-async-await [INFO] tweaked toml for git repo https://github.com/aisrael/rust-closures-futures-async-await written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/aisrael/rust-closures-futures-async-await already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d85a7505e49363642b460e105973798063a683b4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+d85a7505e49363642b460e105973798063a683b4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 29bb59d3a999d1a9ec529b25e795f78d9a1d98c73d1ee94662d1488e4e016c91 [INFO] running `Command { std: "docker" "start" "-a" "29bb59d3a999d1a9ec529b25e795f78d9a1d98c73d1ee94662d1488e4e016c91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "29bb59d3a999d1a9ec529b25e795f78d9a1d98c73d1ee94662d1488e4e016c91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29bb59d3a999d1a9ec529b25e795f78d9a1d98c73d1ee94662d1488e4e016c91", kill_on_drop: false }` [INFO] [stdout] 29bb59d3a999d1a9ec529b25e795f78d9a1d98c73d1ee94662d1488e4e016c91 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+d85a7505e49363642b460e105973798063a683b4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8cd2e640ec3c5c6eccfce7185dfb1c9b5e25c2ee1afadd7dff328bae6b9b1c1c [INFO] running `Command { std: "docker" "start" "-a" "8cd2e640ec3c5c6eccfce7185dfb1c9b5e25c2ee1afadd7dff328bae6b9b1c1c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.19 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking once_cell v1.3.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking arc-swap v0.4.6 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking pin-project-lite v0.1.5 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] error: failed to run custom build command for `libc v0.2.69` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-2d33acaac7d78886/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-0.2.69/build.rs:7:31 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x560c82240440 - std::backtrace_rs::backtrace::libunwind::trace::ha1a861daedbfa6f0 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x560c82240440 - std::backtrace_rs::backtrace::trace_unsynchronized::h5826f235f51e558d [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x560c82240440 - std::sys_common::backtrace::_print_fmt::hbcbfe9f6c5494d9d [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/sys_common/backtrace.rs:65:5 [INFO] [stderr] 3: 0x560c82240440 - ::fmt::hdfb50e5f197ec7ac [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x560c8225d58e - core::fmt::write::h941de0239799bfcb [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/core/src/fmt/mod.rs:1209:17 [INFO] [stderr] 5: 0x560c8223daf5 - std::io::Write::write_fmt::hdb4397066cf910ac [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/io/mod.rs:1682:15 [INFO] [stderr] 6: 0x560c82240205 - std::sys_common::backtrace::_print::h25599edbc041aed8 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 7: 0x560c82240205 - std::sys_common::backtrace::print::hf6c583b69b40ef7f [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 8: 0x560c822418ef - std::panicking::default_hook::{{closure}}::h1812e78739263bb1 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/panicking.rs:267:22 [INFO] [stderr] 9: 0x560c8224162a - std::panicking::default_hook::h3069328e3875c555 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/panicking.rs:286:9 [INFO] [stderr] 10: 0x560c82241fec - std::panicking::rust_panic_with_hook::hb4d70943f9a1e38f [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/panicking.rs:688:13 [INFO] [stderr] 11: 0x560c82241d87 - std::panicking::begin_panic_handler::{{closure}}::h7032c95f233cde26 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/panicking.rs:579:13 [INFO] [stderr] 12: 0x560c822408ec - std::sys_common::backtrace::__rust_end_short_backtrace::hafd3419c90d109e8 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/sys_common/backtrace.rs:137:18 [INFO] [stderr] 13: 0x560c82241aa2 - rust_begin_unwind [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/panicking.rs:575:5 [INFO] [stderr] 14: 0x560c8221a083 - core::panicking::panic_fmt::h726bd4e3b8f8c54a [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/core/src/panicking.rs:65:14 [INFO] [stderr] 15: 0x560c8225c831 - core::panicking::panic_display::h357327da04060cef [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/core/src/panicking.rs:139:5 [INFO] [stderr] 16: 0x560c8225c7db - core::panicking::panic_str::hf62e89c8eef578af [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/core/src/panicking.rs:123:5 [INFO] [stderr] 17: 0x560c8221a046 - core::option::expect_failed::h56058a237dba1db8 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/core/src/option.rs:1879:5 [INFO] [stderr] 18: 0x560c82223dd9 - core::option::Option::expect::he50edb14b7abbd0f [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/core/src/option.rs:741:21 [INFO] [stderr] 19: 0x560c82220947 - build_script_build::main::h21a106573e32f99d [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.69/build.rs:7:9 [INFO] [stderr] 20: 0x560c8222295b - core::ops::function::FnOnce::call_once::hd1af2aa0d8b4fdf9 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/core/src/ops/function.rs:251:5 [INFO] [stderr] 21: 0x560c8222369e - std::sys_common::backtrace::__rust_begin_short_backtrace::h08e6ef56240b4a66 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/sys_common/backtrace.rs:121:18 [INFO] [stderr] 22: 0x560c8221c6d1 - std::rt::lang_start::{{closure}}::h3f7596ba6d315392 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/rt.rs:166:18 [INFO] [stderr] 23: 0x560c8223ae4b - core::ops::function::impls:: for &F>::call_once::h6b33aa05b9ca79b5 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/core/src/ops/function.rs:286:13 [INFO] [stderr] 24: 0x560c8223ae4b - std::panicking::try::do_call::h4ad4d877736f3108 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/panicking.rs:483:40 [INFO] [stderr] 25: 0x560c8223ae4b - std::panicking::try::h9a911e5c4339f09a [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/panicking.rs:447:19 [INFO] [stderr] 26: 0x560c8223ae4b - std::panic::catch_unwind::hf8c845d737122480 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/panic.rs:137:14 [INFO] [stderr] 27: 0x560c8223ae4b - std::rt::lang_start_internal::{{closure}}::ha4b655a9d7dc257c [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/rt.rs:148:48 [INFO] [stderr] 28: 0x560c8223ae4b - std::panicking::try::do_call::hadd1b66f8c83762f [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/panicking.rs:483:40 [INFO] [stderr] 29: 0x560c8223ae4b - std::panicking::try::h82aa8f3f36b8e291 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/panicking.rs:447:19 [INFO] [stderr] 30: 0x560c8223ae4b - std::panic::catch_unwind::h188f4492ffbf1fa9 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/panic.rs:137:14 [INFO] [stderr] 31: 0x560c8223ae4b - std::rt::lang_start_internal::hee877cbd387996b7 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/rt.rs:148:20 [INFO] [stderr] 32: 0x560c8221c6aa - std::rt::lang_start::h200d557f81077060 [INFO] [stderr] at /rustc/d85a7505e49363642b460e105973798063a683b4/library/std/src/rt.rs:165:17 [INFO] [stderr] 33: 0x560c82221dde - main [INFO] [stderr] 34: 0x7f1d7ea49083 - __libc_start_main [INFO] [stderr] 35: 0x560c8221a3ce - _start [INFO] [stderr] 36: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8cd2e640ec3c5c6eccfce7185dfb1c9b5e25c2ee1afadd7dff328bae6b9b1c1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cd2e640ec3c5c6eccfce7185dfb1c9b5e25c2ee1afadd7dff328bae6b9b1c1c", kill_on_drop: false }` [INFO] [stdout] 8cd2e640ec3c5c6eccfce7185dfb1c9b5e25c2ee1afadd7dff328bae6b9b1c1c