[INFO] updating cached repository https://github.com/grenierdev/async-std-issue [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f484c5748975c28ab7e2749273c9c07ac25cbad1 [INFO] testing grenierdev/async-std-issue against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrenierdev%2Fasync-std-issue" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/grenierdev/async-std-issue on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [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-2/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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7d4962837d584018306bc3d4f94a923edcd41c94b8a7a603454acebdb3c17dff [INFO] running `"docker" "start" "-a" "7d4962837d584018306bc3d4f94a923edcd41c94b8a7a603454acebdb3c17dff"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling futures-timer v2.0.2 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling once_cell v1.3.1 [INFO] [stderr] Compiling async-task v1.3.1 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling mio-uds v0.6.7 [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 15.29s [INFO] running `"docker" "inspect" "7d4962837d584018306bc3d4f94a923edcd41c94b8a7a603454acebdb3c17dff"` [INFO] running `"docker" "rm" "-f" "7d4962837d584018306bc3d4f94a923edcd41c94b8a7a603454acebdb3c17dff"` [INFO] [stdout] 7d4962837d584018306bc3d4f94a923edcd41c94b8a7a603454acebdb3c17dff [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 764854d3bf1810408379260857943954f40bf6693c6f2a85ea93fe64a8736305 [INFO] running `"docker" "start" "-a" "764854d3bf1810408379260857943954f40bf6693c6f2a85ea93fe64a8736305"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling async_std-issue v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.22s [INFO] running `"docker" "inspect" "764854d3bf1810408379260857943954f40bf6693c6f2a85ea93fe64a8736305"` [INFO] running `"docker" "rm" "-f" "764854d3bf1810408379260857943954f40bf6693c6f2a85ea93fe64a8736305"` [INFO] [stdout] 764854d3bf1810408379260857943954f40bf6693c6f2a85ea93fe64a8736305 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"` [INFO] [stdout] 278598b0ba6babc435fa97522ba6d2a654838a172c76fb4991c61a75a6e149bd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "278598b0ba6babc435fa97522ba6d2a654838a172c76fb4991c61a75a6e149bd"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.32s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/async_std_issue-c38603e7e17af86d [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_writes_20_u32 ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--bin async_std-issue' [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:15:30 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x563cc5c39754 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x563cc5c39754 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x563cc5c39754 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x563cc5c39754 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x563cc5c6247c - core::fmt::write::hdaea18585065a96d [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x563cc5b9e315 - std::io::Write::write_fmt::h42f0550b6bd39c6e [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x563cc5c33c71 - std::io::impls::>::write_fmt::h223d7b7033cad46d [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x563cc5c3c035 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x563cc5c3c035 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x563cc5c3c035 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x563cc5c3bd1b - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x563cc5c3c692 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x563cc5c3c27b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x563cc5c60ea1 - core::panicking::panic_fmt::h1ac71ad045d55416 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 14: 0x563cc5c60cc3 - core::option::expect_none_failed::hb40004d71d61b685 [INFO] [stdout] at src/libcore/option.rs:1268 [INFO] [stdout] 15: 0x563cc5b96967 - core::result::Result::expect::h7c27edb54364c4ba [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/result.rs:963 [INFO] [stdout] 16: 0x563cc5b94f82 - async_std_issue::tests::it_writes_20_u32::{{closure}}::hf0dc48d586344e1a [INFO] [stdout] at src/main.rs:15 [INFO] [stdout] 17: 0x563cc5b97aa9 - as core::future::future::Future>::poll::hb50343401fac5364 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/future/mod.rs:66 [INFO] [stdout] 18: 0x563cc5b9934b - async_std::task::block_on::block_on::{{closure}}::hb0635731103a917c [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: 0x563cc5b97b39 - as core::future::future::Future>::poll::hdbd65d0dcd91b83d [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/future/mod.rs:66 [INFO] [stdout] 20: 0x563cc5b98b80 - async_std::task::block_on::run::{{closure}}::h7c1be20a9e95afcc [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: 0x563cc5b9c5ed - std::thread::local::LocalKey::try_with::hca6445a467a210c9 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/local.rs:263 [INFO] [stdout] 22: 0x563cc5b9c123 - std::thread::local::LocalKey::with::h59723732240f9c06 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/local.rs:239 [INFO] [stdout] 23: 0x563cc5b9898e - async_std::task::block_on::run::h152ee6edcb746005 [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: 0x563cc5b99213 - async_std::task::block_on::block_on::{{closure}}::h346799ec41f23904 [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: 0x563cc5b9620b - async_std::task::task::Task::set_current::{{closure}}::hb16b8edb7d9c641c [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: 0x563cc5b9c26d - std::thread::local::LocalKey::try_with::h3b1d215e22a8e7f4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/local.rs:263 [INFO] [stdout] 27: 0x563cc5b9c0bd - std::thread::local::LocalKey::with::h20559a34873d7596 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/local.rs:239 [INFO] [stdout] 28: 0x563cc5b96120 - async_std::task::task::Task::set_current::h80a864fd22a9ce30 [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: 0x563cc5b99147 - async_std::task::block_on::block_on::h0b493f1df6fc61e2 [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: 0x563cc5b94cc5 - async_std_issue::tests::it_writes_20_u32::h219d7ffe3f6eb412 [INFO] [stdout] at src/main.rs:13 [INFO] [stdout] 31: 0x563cc5b94c8a - async_std_issue::tests::it_writes_20_u32::{{closure}}::had5e4e8540b676a5 [INFO] [stdout] at src/main.rs:12 [INFO] [stdout] 32: 0x563cc5b9c78e - core::ops::function::FnOnce::call_once::h074edd727debfd83 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 33: 0x563cc5bc57a6 - as core::ops::function::FnOnce>::call_once::hc165f65f4331a55c [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 34: 0x563cc5bc57a6 - as core::ops::function::FnOnce<()>>::call_once::hb89f1f769cad07ce [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 35: 0x563cc5bc57a6 - std::panicking::try::do_call::h104f7f3dae5a1b29 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 36: 0x563cc5bc57a6 - std::panicking::try::h0e20f01361cba753 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 37: 0x563cc5bc57a6 - std::panic::catch_unwind::h0bd0c84b5f4cd121 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 38: 0x563cc5bc57a6 - test::run_test_in_process::hf34c22adfeb6853d [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 39: 0x563cc5bc57a6 - test::run_test::run_test_inner::{{closure}}::h40d568b4c10a12f1 [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 40: 0x563cc5b9d7c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hffd9774ad3f2d778 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 41: 0x563cc5ba2b55 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h4594020476cf52d4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:475 [INFO] [stdout] 42: 0x563cc5ba2b55 - as core::ops::function::FnOnce<()>>::call_once::h9d0a6d45b73e29e4 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:318 [INFO] [stdout] 43: 0x563cc5ba2b55 - std::panicking::try::do_call::h902fd77b30bb3bb7 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:331 [INFO] [stdout] 44: 0x563cc5ba2b55 - std::panicking::try::hc17d3a628e65d49d [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:274 [INFO] [stdout] 45: 0x563cc5ba2b55 - std::panic::catch_unwind::h9c9d49cbb6b18017 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panic.rs:394 [INFO] [stdout] 46: 0x563cc5ba2b55 - std::thread::Builder::spawn_unchecked::{{closure}}::h6a6f5a333fd631a2 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/thread/mod.rs:474 [INFO] [stdout] 47: 0x563cc5ba2b55 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha6fb197e0ce57f73 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libcore/ops/function.rs:232 [INFO] [stdout] 48: 0x563cc5c42eaa - as core::ops::function::FnOnce>::call_once::h1f1fac7de7dd9691 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 49: 0x563cc5c42eaa - as core::ops::function::FnOnce>::call_once::ha031f48633a6af54 [INFO] [stdout] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/liballoc/boxed.rs:1008 [INFO] [stdout] 50: 0x563cc5c42eaa - std::sys::unix::thread::Thread::new::thread_start::h241864caf436e182 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 51: 0x7f4504aab609 - start_thread [INFO] [stdout] 52: 0x7f45049b7103 - __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] running `"docker" "inspect" "278598b0ba6babc435fa97522ba6d2a654838a172c76fb4991c61a75a6e149bd"` [INFO] running `"docker" "rm" "-f" "278598b0ba6babc435fa97522ba6d2a654838a172c76fb4991c61a75a6e149bd"` [INFO] [stdout] 278598b0ba6babc435fa97522ba6d2a654838a172c76fb4991c61a75a6e149bd