[INFO] cloning repository https://github.com/ayax79/global_channel_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayax79/global_channel_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayax79%2Fglobal_channel_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayax79%2Fglobal_channel_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16451e9a21e11dc3dbad2900b33f3ea05e9d342a
[INFO] checking ayax79/global_channel_test against try#e3fba958e26aa56a364ba6d36376f1800cd40fa5 for pr-101437-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayax79%2Fglobal_channel_test" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ayax79/global_channel_test on toolchain e3fba958e26aa56a364ba6d36376f1800cd40fa5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e3fba958e26aa56a364ba6d36376f1800cd40fa5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ayax79/global_channel_test
[INFO] finished tweaking git repo https://github.com/ayax79/global_channel_test
[INFO] tweaked toml for git repo https://github.com/ayax79/global_channel_test written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ayax79/global_channel_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e3fba958e26aa56a364ba6d36376f1800cd40fa5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+e3fba958e26aa56a364ba6d36376f1800cd40fa5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fc37000a8cfb7348d7469ef9e3f13379d44c9ba8027392781cdf832a92d7e66
[INFO] running `Command { std: "docker" "start" "-a" "2fc37000a8cfb7348d7469ef9e3f13379d44c9ba8027392781cdf832a92d7e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc37000a8cfb7348d7469ef9e3f13379d44c9ba8027392781cdf832a92d7e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc37000a8cfb7348d7469ef9e3f13379d44c9ba8027392781cdf832a92d7e66", kill_on_drop: false }`
[INFO] [stdout] 2fc37000a8cfb7348d7469ef9e3f13379d44c9ba8027392781cdf832a92d7e66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+e3fba958e26aa56a364ba6d36376f1800cd40fa5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d91941da4c3c9519e5709b62603f2ceb04cc8f236cb581a153707ebd854cde1
[INFO] running `Command { std: "docker" "start" "-a" "9d91941da4c3c9519e5709b62603f2ceb04cc8f236cb581a153707ebd854cde1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr] error: failed to run custom build command for `crossbeam-utils v0.7.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/crossbeam-utils-7f60c18e4f8c45a7/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error { kind: Other("could not execute rustc") }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/autocfg-0.1.7/src/lib.rs:120:20
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5620298c16c0 - std::backtrace_rs::backtrace::libunwind::trace::he919abe567a503fe
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      1:     0x5620298c16c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h325afec262efa225
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5620298c16c0 - std::sys_common::backtrace::_print_fmt::h8f305d2a6ebec9ee
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x5620298c16c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h24bec6e8311d652a
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x5620298dec4e - core::fmt::write::h7929a9ff9196c2e2
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/core/src/fmt/mod.rs:1202:17
[INFO] [stderr]      5:     0x5620298be9a5 - std::io::Write::write_fmt::h9b9da188def8a312
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/io/mod.rs:1679:15
[INFO] [stderr]      6:     0x5620298c2df3 - std::sys_common::backtrace::_print::h3bc758cac7b8e6d7
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x5620298c2df3 - std::sys_common::backtrace::print::h62af4addb18bf213
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x5620298c2df3 - std::panicking::default_hook::{{closure}}::h5d492b60bd5dacd2
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x5620298c2adf - std::panicking::default_hook::hb00e907d8bf0dc7f
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x5620298c349a - std::panicking::rust_panic_with_hook::h407e07dbb3bb8fed
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x5620298c3397 - std::panicking::begin_panic_handler::{{closure}}::he2fee81d3f74de69
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/panicking.rs:588:13
[INFO] [stderr]     12:     0x5620298c1bdc - std::sys_common::backtrace::__rust_end_short_backtrace::hebf9f4138a807e7c
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x5620298c30b2 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x562029892a23 - core::panicking::panic_fmt::hbc83be24f266f231
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/core/src/panicking.rs:142:14
[INFO] [stderr]     15:     0x562029892ab3 - core::result::unwrap_failed::hac7104b0c79ba9dd
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/core/src/result.rs:1785:5
[INFO] [stderr]     16:     0x56202989d023 - core::result::Result<T,E>::unwrap::h04a3bb0f7d88c028
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/core/src/result.rs:1107:23
[INFO] [stderr]     17:     0x5620298930b1 - autocfg::new::h9d9a0b3a21d34978
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/autocfg-0.1.7/src/lib.rs:120:5
[INFO] [stderr]     18:     0x562029892e92 - build_script_build::main::he050ace478e45f8d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.0/build.rs:4:15
[INFO] [stderr]     19:     0x562029892e3b - core::ops::function::FnOnce::call_once::h8cdd1e910f35341d
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/core/src/ops/function.rs:248:5
[INFO] [stderr]     20:     0x562029892e6e - std::sys_common::backtrace::__rust_begin_short_backtrace::h672670a771932d25
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     21:     0x562029892fe1 - std::rt::lang_start::{{closure}}::h4d25c4abe1e4d82c
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/rt.rs:166:18
[INFO] [stderr]     22:     0x5620298bbc8f - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdd4bd3749468d39d
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/core/src/ops/function.rs:280:13
[INFO] [stderr]     23:     0x5620298bbc8f - std::panicking::try::do_call::h5195fb2ddc1716ff
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/panicking.rs:492:40
[INFO] [stderr]     24:     0x5620298bbc8f - std::panicking::try::hb88c04ffe6117e5b
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/panicking.rs:456:19
[INFO] [stderr]     25:     0x5620298bbc8f - std::panic::catch_unwind::ha79a7dd587ef201d
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/panic.rs:137:14
[INFO] [stderr]     26:     0x5620298bbc8f - std::rt::lang_start_internal::{{closure}}::h2d6e966af21bf214
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x5620298bbc8f - std::panicking::try::do_call::h4cc4e35f2ff511bd
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/panicking.rs:492:40
[INFO] [stderr]     28:     0x5620298bbc8f - std::panicking::try::hed9e6aed71cf80a7
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/panicking.rs:456:19
[INFO] [stderr]     29:     0x5620298bbc8f - std::panic::catch_unwind::hb3861f8a72721186
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/panic.rs:137:14
[INFO] [stderr]     30:     0x5620298bbc8f - std::rt::lang_start_internal::haba18db76e682a5b
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x562029892fba - std::rt::lang_start::h1381a3e4055f7307
[INFO] [stderr]                                  at /rustc/e3fba958e26aa56a364ba6d36376f1800cd40fa5/library/std/src/rt.rs:165:17
[INFO] [stderr]     32:     0x562029892f71 - main
[INFO] [stderr]     33:     0x7f7663e08083 - __libc_start_main
[INFO] [stderr]     34:     0x562029892bfe - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "9d91941da4c3c9519e5709b62603f2ceb04cc8f236cb581a153707ebd854cde1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d91941da4c3c9519e5709b62603f2ceb04cc8f236cb581a153707ebd854cde1", kill_on_drop: false }`
[INFO] [stdout] 9d91941da4c3c9519e5709b62603f2ceb04cc8f236cb581a153707ebd854cde1