[INFO] updating cached repository https://github.com/grenierdev/async-std-issue [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f484c5748975c28ab7e2749273c9c07ac25cbad1 [INFO] testing grenierdev/async-std-issue against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrenierdev%2Fasync-std-issue" "/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/grenierdev/async-std-issue on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/grenierdev/async-std-issue [INFO] finished tweaking git repo https://github.com/grenierdev/async-std-issue [INFO] tweaked toml for git repo https://github.com/grenierdev/async-std-issue written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/grenierdev/async-std-issue already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ecae7e6ad7374475c0d4ac665c6b06295d88c2167913af9ab62a7f374078fd09 [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" "ecae7e6ad7374475c0d4ac665c6b06295d88c2167913af9ab62a7f374078fd09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ecae7e6ad7374475c0d4ac665c6b06295d88c2167913af9ab62a7f374078fd09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecae7e6ad7374475c0d4ac665c6b06295d88c2167913af9ab62a7f374078fd09", kill_on_drop: false }` [INFO] [stdout] ecae7e6ad7374475c0d4ac665c6b06295d88c2167913af9ab62a7f374078fd09 [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 8f5355437c20eb92a2868a9dc131f361af440b724bedc436e05da66dfec944ab [INFO] running `Command { std: "docker" "start" "-a" "8f5355437c20eb92a2868a9dc131f361af440b724bedc436e05da66dfec944ab", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling pin-project-lite v0.1.4 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling kv-log-macro v1.0.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling crossbeam-channel v0.4.2 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling async-std v1.5.0 [INFO] [stderr] Compiling async_std-issue v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.96s [INFO] running `Command { std: "docker" "inspect" "8f5355437c20eb92a2868a9dc131f361af440b724bedc436e05da66dfec944ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f5355437c20eb92a2868a9dc131f361af440b724bedc436e05da66dfec944ab", kill_on_drop: false }` [INFO] [stdout] 8f5355437c20eb92a2868a9dc131f361af440b724bedc436e05da66dfec944ab [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 116311556cb5659a8dfd40fcd395b1e092041c4968df923133489504742d3574 [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" "116311556cb5659a8dfd40fcd395b1e092041c4968df923133489504742d3574", kill_on_drop: false }` [INFO] [stderr] Compiling async_std-issue v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.64s [INFO] running `Command { std: "docker" "inspect" "116311556cb5659a8dfd40fcd395b1e092041c4968df923133489504742d3574", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "116311556cb5659a8dfd40fcd395b1e092041c4968df923133489504742d3574", kill_on_drop: false }` [INFO] [stdout] 116311556cb5659a8dfd40fcd395b1e092041c4968df923133489504742d3574 [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8f9d9b8555a9caabf9c66b47e934ea9773f3258a061b2760d389a3062941f114 [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" "8f9d9b8555a9caabf9c66b47e934ea9773f3258a061b2760d389a3062941f114", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/async_std_issue-aa4e090ef1326890 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_writes_20_u32 ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::it_writes_20_u32 stdout ---- [INFO] [stdout] thread 'tests::it_writes_20_u32' panicked at 'Could not create file.: Os { code: 30, kind: Other, message: "Read-only file system" }', src/main.rs:21:22 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55bd8218d0b5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x55bd8218d0b5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55bd8218d0b5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x55bd8218d0b5 - ::fmt::hb4bdb37c3c335733 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55bd821b4e0c - core::fmt::write::h540ac4a6a1232abc [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x55bd820f6fd5 - std::io::Write::write_fmt::h4be0daababb55bba [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/io/mod.rs:1539 [INFO] [stdout] 6: 0x55bd821876c1 - std::io::impls::>::write_fmt::h83c1e1aa73f374f5 [INFO] [stdout] at src/libstd/io/impls.rs:176 [INFO] [stdout] 7: 0x55bd8218f820 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x55bd8218f820 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x55bd8218f820 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x55bd8218f51a - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 11: 0x55bd8218fe63 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 12: 0x55bd8218fa5b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 13: 0x55bd821b37a1 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 14: 0x55bd821b35c3 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stdout] at src/libcore/option.rs:1269 [INFO] [stdout] 15: 0x55bd820f08f7 - core::result::Result::expect::h596f18a29dc34f2b [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:963 [INFO] [stdout] 16: 0x55bd820ede6e - async_std_issue::tests::it_writes_20_u32::{{closure}}::h33db6cab5a1497c8 [INFO] [stdout] at src/main.rs:15 [INFO] [stdout] 17: 0x55bd820f06e9 - as core::future::future::Future>::poll::he8a83db655e20513 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/future/mod.rs:78 [INFO] [stdout] 18: 0x55bd820f225b - async_std::task::block_on::block_on::{{closure}}::hfd08fff573b2a187 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/block_on.rs:68 [INFO] [stdout] 19: 0x55bd820f0419 - as core::future::future::Future>::poll::h581f6380239cb491 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/future/mod.rs:78 [INFO] [stdout] 20: 0x55bd820f1aa0 - async_std::task::block_on::run::{{closure}}::h1ffdccb9393e2752 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/block_on.rs:128 [INFO] [stdout] 21: 0x55bd820f5c7d - std::thread::local::LocalKey::try_with::h3c01cde277cc932e [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/local.rs:263 [INFO] [stdout] 22: 0x55bd820f5823 - std::thread::local::LocalKey::with::h41eb31010b09fd8c [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/local.rs:239 [INFO] [stdout] 23: 0x55bd820f18ae - async_std::task::block_on::run::h7fefaeaee3650d49 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/block_on.rs:118 [INFO] [stdout] 24: 0x55bd820f2103 - async_std::task::block_on::block_on::{{closure}}::ha70f3fe1f8e7fd4f [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/block_on.rs:72 [INFO] [stdout] 25: 0x55bd820f54ab - async_std::task::task::Task::set_current::{{closure}}::h4010ab418d1f8b80 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/task.rs:129 [INFO] [stdout] 26: 0x55bd820f5b3d - std::thread::local::LocalKey::try_with::h3a545fef6ad44d5e [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/local.rs:263 [INFO] [stdout] 27: 0x55bd820f58ad - std::thread::local::LocalKey::with::hdf1284a18aae1d4c [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/local.rs:239 [INFO] [stdout] 28: 0x55bd820f53c0 - async_std::task::task::Task::set_current::hb7a6835a756282a7 [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/task.rs:124 [INFO] [stdout] 29: 0x55bd820f2059 - async_std::task::block_on::block_on::hc98765f3f33dcb5b [INFO] [stdout] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.5.0/src/task/block_on.rs:72 [INFO] [stdout] 30: 0x55bd820edbc5 - async_std_issue::tests::it_writes_20_u32::hee50f16fd34c1c69 [INFO] [stdout] at src/main.rs:13 [INFO] [stdout] 31: 0x55bd820edb8a - async_std_issue::tests::it_writes_20_u32::{{closure}}::h06fdd89a99ca3b62 [INFO] [stdout] at src/main.rs:12 [INFO] [stdout] 32: 0x55bd820eeb3e - core::ops::function::FnOnce::call_once::h08fc90500e5e666b [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233 [INFO] [stdout] 33: 0x55bd8211e54c - as core::ops::function::FnOnce>::call_once::h8340ba6798e0c4ff [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stdout] 34: 0x55bd8211e54c - as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318 [INFO] [stdout] 35: 0x55bd8211e54c - std::panicking::try::do_call::hd8680a2dbb0ed3c4 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348 [INFO] [stdout] 36: 0x55bd8211e54c - std::panicking::try::h46b4de2d705e7a8d [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325 [INFO] [stdout] 37: 0x55bd8211e54c - std::panic::catch_unwind::h059b3f06991e0a9c [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394 [INFO] [stdout] 38: 0x55bd8211e54c - test::run_test_in_process::h5ae08a65430494a4 [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 39: 0x55bd8211e54c - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 40: 0x55bd820f64c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 41: 0x55bd820fb4b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:475 [INFO] [stdout] 42: 0x55bd820fb4b5 - as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:318 [INFO] [stdout] 43: 0x55bd820fb4b5 - std::panicking::try::do_call::h4e0f426e17cd216c [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:348 [INFO] [stdout] 44: 0x55bd820fb4b5 - std::panicking::try::hd05e4ef6b4303d29 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:325 [INFO] [stdout] 45: 0x55bd820fb4b5 - std::panic::catch_unwind::h19a1127ec729c5dd [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panic.rs:394 [INFO] [stdout] 46: 0x55bd820fb4b5 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/thread/mod.rs:474 [INFO] [stdout] 47: 0x55bd820fb4b5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/ops/function.rs:233 [INFO] [stdout] 48: 0x55bd8219603a - as core::ops::function::FnOnce>::call_once::hc0e15d78a519721e [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stdout] 49: 0x55bd8219603a - as core::ops::function::FnOnce>::call_once::h211da8fffb09f192 [INFO] [stdout] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/liballoc/boxed.rs:1081 [INFO] [stdout] 50: 0x55bd8219603a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 51: 0x7fd6c6b62609 - start_thread [INFO] [stdout] 52: 0x7fd6c6a6e103 - __clone [INFO] [stdout] 53: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::it_writes_20_u32 [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--bin async_std-issue' [INFO] running `Command { std: "docker" "inspect" "8f9d9b8555a9caabf9c66b47e934ea9773f3258a061b2760d389a3062941f114", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f9d9b8555a9caabf9c66b47e934ea9773f3258a061b2760d389a3062941f114", kill_on_drop: false }` [INFO] [stdout] 8f9d9b8555a9caabf9c66b47e934ea9773f3258a061b2760d389a3062941f114