[INFO] cloning repository https://github.com/danielhenrymantilla/visibility.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielhenrymantilla/visibility.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielhenrymantilla%2Fvisibility.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielhenrymantilla%2Fvisibility.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa239d73bc0134279fd3481e43c91d255349109a
[INFO] testing danielhenrymantilla/visibility.rs against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielhenrymantilla%2Fvisibility.rs" "/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/danielhenrymantilla/visibility.rs on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/danielhenrymantilla/visibility.rs
[INFO] finished tweaking git repo https://github.com/danielhenrymantilla/visibility.rs
[INFO] tweaked toml for git repo https://github.com/danielhenrymantilla/visibility.rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/danielhenrymantilla/visibility.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 437489350c70e91fa5f57d6df0d848f2bac76768ffc7f610d3364687f852c865
[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" "437489350c70e91fa5f57d6df0d848f2bac76768ffc7f610d3364687f852c865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "437489350c70e91fa5f57d6df0d848f2bac76768ffc7f610d3364687f852c865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437489350c70e91fa5f57d6df0d848f2bac76768ffc7f610d3364687f852c865", kill_on_drop: false }`
[INFO] [stdout] 437489350c70e91fa5f57d6df0d848f2bac76768ffc7f610d3364687f852c865
[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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78f96d115bbc625f438c0f218722b3c2bba36620074593aebae06e30b759a7bd
[INFO] running `Command { std: "docker" "start" "-a" "78f96d115bbc625f438c0f218722b3c2bba36620074593aebae06e30b759a7bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.0
[INFO] [stderr]    Compiling quote v1.0.0
[INFO] [stderr]    Compiling visibility v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.52s
[INFO] running `Command { std: "docker" "inspect" "78f96d115bbc625f438c0f218722b3c2bba36620074593aebae06e30b759a7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f96d115bbc625f438c0f218722b3c2bba36620074593aebae06e30b759a7bd", kill_on_drop: false }`
[INFO] [stdout] 78f96d115bbc625f438c0f218722b3c2bba36620074593aebae06e30b759a7bd
[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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 792a6ccc829f915deab6617857f8fdac1995b72ce42cfbdc7b469f45c50e9ccf
[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" "792a6ccc829f915deab6617857f8fdac1995b72ce42cfbdc7b469f45c50e9ccf", kill_on_drop: false }`
[INFO] [stderr]    Compiling visibility v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "792a6ccc829f915deab6617857f8fdac1995b72ce42cfbdc7b469f45c50e9ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "792a6ccc829f915deab6617857f8fdac1995b72ce42cfbdc7b469f45c50e9ccf", kill_on_drop: false }`
[INFO] [stdout] 792a6ccc829f915deab6617857f8fdac1995b72ce42cfbdc7b469f45c50e9ccf
[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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8cc34037ce7a63e6f2957e11bf719b86e4d134a7df4751395203d3bdd4c4fd2c
[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" "8cc34037ce7a63e6f2957e11bf719b86e4d134a7df4751395203d3bdd4c4fd2c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/visibility-ff4efbc882098b18)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/downstream.rs (/opt/rustwide/target/debug/deps/downstream-41f1fd8917fe5b68)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] warning: spurious network error (2 tries remaining): failed to resolve address for github.com: Temporary failure in name resolution; class=Net (12)
[INFO] [stderr] warning: spurious network error (1 tries remaining): failed to resolve address for github.com: Temporary failure in name resolution; class=Net (12)
[INFO] [stderr] error: failed to get `proc-macro2` as a dependency of package `visibility v0.0.1 (/opt/rustwide/workdir)`
[INFO] [stderr]     ... which is depended on by `my_crate v0.1.0 (/opt/rustwide/workdir/downstream_crate)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to load source for dependency `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Unable to update registry `crates-io`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to fetch `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   network failure seems to have happened
[INFO] [stderr]   if a proxy or similar is necessary `net.git-fetch-with-cli` may help here
[INFO] [stderr]   https://doc.rust-lang.org/cargo/reference/config.html#netgit-fetch-with-cli
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to resolve address for github.com: Temporary failure in name resolution; class=Net (12)
[INFO] [stdout] test doctest_downstream_crate ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- doctest_downstream_crate stdout ----
[INFO] [stdout] thread 'doctest_downstream_crate' panicked at 'assertion failed: ::std::process::Command::new(env!(\"CARGO\")).current_dir(\"downstream_crate\").args(&[\"test\",\n                                                                                   \"--doc\",\n                                                                                   \"--features\",\n                                                                                   \"integration-tests\"]).status().unwrap().success()', tests/downstream.rs:4:5
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556f5ded7a20 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x556f5ded7a20 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556f5ded7a20 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x556f5ded7a20 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x556f5defa33c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x556f5ded4825 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x556f5ded9b9b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x556f5ded9b9b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x556f5ded9b9b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x556f5ded96ac - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x556f5deda264 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x556f5ded9d17 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:517:13
[INFO] [stdout]   12:     0x556f5ded7efc - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x556f5ded9ca9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x556f5de833a1 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x556f5de832ed - core::panicking::panic::h8a6bc58a21c6c095
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:50:5
[INFO] [stdout]   16:     0x556f5de872e9 - downstream::doctest_downstream_crate::h4779e7525eb2afd0
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/downstream.rs:4:5
[INFO] [stdout]   17:     0x556f5de871ba - downstream::doctest_downstream_crate::{{closure}}::h618653738a0f5a06
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/downstream.rs:2:1
[INFO] [stdout]   18:     0x556f5de8735e - core::ops::function::FnOnce::call_once::h49a060fc8c5981ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   19:     0x556f5debc183 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x556f5debc183 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   21:     0x556f5debac38 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   22:     0x556f5debac38 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   23:     0x556f5debac38 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   24:     0x556f5debac38 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   25:     0x556f5debac38 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   26:     0x556f5debac38 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   27:     0x556f5debac38 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   28:     0x556f5de893cd - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   29:     0x556f5de893cd - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   30:     0x556f5de8db98 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   31:     0x556f5de8db98 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   32:     0x556f5de8db98 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   33:     0x556f5de8db98 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   34:     0x556f5de8db98 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   35:     0x556f5de8db98 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   36:     0x556f5de8db98 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   37:     0x556f5dedef27 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   38:     0x556f5dedef27 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x556f5dedef27 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   40:     0x7fc6ea1c4609 - start_thread
[INFO] [stdout]   41:     0x7fc6e9f96293 - clone
[INFO] [stdout]   42:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     doctest_downstream_crate
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test downstream'
[INFO] running `Command { std: "docker" "inspect" "8cc34037ce7a63e6f2957e11bf719b86e4d134a7df4751395203d3bdd4c4fd2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc34037ce7a63e6f2957e11bf719b86e4d134a7df4751395203d3bdd4c4fd2c", kill_on_drop: false }`
[INFO] [stdout] 8cc34037ce7a63e6f2957e11bf719b86e4d134a7df4751395203d3bdd4c4fd2c
