[INFO] fetching crate cavity 1.1.0... [INFO] testing cavity-1.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] extracting crate cavity 1.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate cavity 1.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cavity 1.1.0 [INFO] finished tweaking crates.io crate cavity 1.1.0 [INFO] tweaked toml for crates.io crate cavity 1.1.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 420f98767efb20c5d0c7ba1e91eb54251c3f98ba1d501a8eadc69ef5f0b546fb [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" "420f98767efb20c5d0c7ba1e91eb54251c3f98ba1d501a8eadc69ef5f0b546fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "420f98767efb20c5d0c7ba1e91eb54251c3f98ba1d501a8eadc69ef5f0b546fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "420f98767efb20c5d0c7ba1e91eb54251c3f98ba1d501a8eadc69ef5f0b546fb", kill_on_drop: false }` [INFO] [stdout] 420f98767efb20c5d0c7ba1e91eb54251c3f98ba1d501a8eadc69ef5f0b546fb [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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb91705b22a664b4f709fa06f9b9479ca1b765299498b5c82167a69eacd75a27 [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" "cb91705b22a664b4f709fa06f9b9479ca1b765299498b5c82167a69eacd75a27", kill_on_drop: false }` [INFO] [stderr] Compiling cavity v1.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "cb91705b22a664b4f709fa06f9b9479ca1b765299498b5c82167a69eacd75a27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb91705b22a664b4f709fa06f9b9479ca1b765299498b5c82167a69eacd75a27", kill_on_drop: false }` [INFO] [stdout] cb91705b22a664b4f709fa06f9b9479ca1b765299498b5c82167a69eacd75a27 [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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83c5649b0c8e0693fce3cf042d7d15779b0a10fab8f0f88368680afae81ceb55 [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" "83c5649b0c8e0693fce3cf042d7d15779b0a10fab8f0f88368680afae81ceb55", kill_on_drop: false }` [INFO] [stderr] Compiling cavity v1.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "83c5649b0c8e0693fce3cf042d7d15779b0a10fab8f0f88368680afae81ceb55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83c5649b0c8e0693fce3cf042d7d15779b0a10fab8f0f88368680afae81ceb55", kill_on_drop: false }` [INFO] [stdout] 83c5649b0c8e0693fce3cf042d7d15779b0a10fab8f0f88368680afae81ceb55 [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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a6a0a71259098e11a048be9e9bc1b3b33bee03fca511dd26633403137cd5378f [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" "a6a0a71259098e11a048be9e9bc1b3b33bee03fca511dd26633403137cd5378f", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cavity-11eb45e5b98ab697) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] [stdout] test tests::it_works ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::it_works stdout ---- [INFO] [stdout] thread 'tests::it_works' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/lib.rs:113:46 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x564e96722990 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x564e96722990 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x564e96722990 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x564e96722990 - ::fmt::h2a772198c4032452 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x564e9674516c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x564e9671fa05 - std::io::Write::write_fmt::h583dff5009d01a9f [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/io/mod.rs:1663:15 [INFO] [stdout] 6: 0x564e96724afb - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x564e96724afb - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x564e96724afb - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x564e9672460c - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x564e967251c4 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x564e96724ca7 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x564e96722e8c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x564e96724c09 - rust_begin_unwind [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x564e966cc641 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x564e966cc733 - core::result::unwrap_failed::he898b02f57993c42 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/result.rs:1355:5 [INFO] [stdout] 16: 0x564e966cd35e - core::result::Result::unwrap::h7c66ff011be3629d [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/result.rs:1037:23 [INFO] [stdout] 17: 0x564e966d190e - cavity::tests::it_works::h52652e05a62a4dcf [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:113:21 [INFO] [stdout] 18: 0x564e966d18ca - cavity::tests::it_works::{{closure}}::h02378573e05ebed6 [INFO] [stdout] at /opt/rustwide/workdir/src/lib.rs:112:5 [INFO] [stdout] 19: 0x564e966d0bce - core::ops::function::FnOnce::call_once::hf23a8a76e989292d [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x564e966f9f93 - core::ops::function::FnOnce::call_once::h99a97b0ff983bd25 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x564e966f9f93 - test::__rust_begin_short_backtrace::h8fe0d26ed1584e50 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:577:5 [INFO] [stdout] 22: 0x564e966f8a20 - as core::ops::function::FnOnce>::call_once::he6b90e352f394d8f [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 23: 0x564e966f8a20 - as core::ops::function::FnOnce<()>>::call_once::h1c05475e029700b8 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:347:9 [INFO] [stdout] 24: 0x564e966f8a20 - std::panicking::try::do_call::he6de943476ae628a [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x564e966f8a20 - std::panicking::try::ha21937b8feb06f89 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x564e966f8a20 - std::panic::catch_unwind::ha79830b3325c9fa6 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14 [INFO] [stdout] 27: 0x564e966f8a20 - test::run_test_in_process::h1ab180b83ee2d5b5 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:600:18 [INFO] [stdout] 28: 0x564e966f8a20 - test::run_test::run_test_inner::{{closure}}::h8258ffe088f187a1 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x564e966d1fe2 - test::run_test::run_test_inner::{{closure}}::hc697b214abd32bc6 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x564e966d1fe2 - std::sys_common::backtrace::__rust_begin_short_backtrace::h64de0d3f894854a9 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x564e966d5c38 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h1fd98fc86e533ece [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/thread/mod.rs:476:17 [INFO] [stdout] 32: 0x564e966d5c38 - as core::ops::function::FnOnce<()>>::call_once::h4e2a7abf702e4cfd [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:347:9 [INFO] [stdout] 33: 0x564e966d5c38 - std::panicking::try::do_call::h4496392321a3c8c0 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:401:40 [INFO] [stdout] 34: 0x564e966d5c38 - std::panicking::try::hf1e14258e04e8e9a [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panicking.rs:365:19 [INFO] [stdout] 35: 0x564e966d5c38 - std::panic::catch_unwind::hb72c3777cd55642f [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/panic.rs:434:14 [INFO] [stdout] 36: 0x564e966d5c38 - std::thread::Builder::spawn_unchecked::{{closure}}::h2d7915a5910e148e [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/thread/mod.rs:475:30 [INFO] [stdout] 37: 0x564e966d5c38 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h83fd2f1ef5be797c [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x564e96729d57 - as core::ops::function::FnOnce>::call_once::ha8b1d5a0092467fc [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 39: 0x564e96729d57 - as core::ops::function::FnOnce>::call_once::h4b9f24ec4e8a879e [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/alloc/src/boxed.rs:1572:9 [INFO] [stdout] 40: 0x564e96729d57 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32 [INFO] [stdout] at /rustc/ecabaf78506b7a4668d42dc20268c086b93f0fad/library/std/src/sys/unix/thread.rs:72:17 [INFO] [stdout] 41: 0x7f165f0a2609 - start_thread [INFO] [stdout] 42: 0x7f165ee74293 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::it_works [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a6a0a71259098e11a048be9e9bc1b3b33bee03fca511dd26633403137cd5378f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6a0a71259098e11a048be9e9bc1b3b33bee03fca511dd26633403137cd5378f", kill_on_drop: false }` [INFO] [stdout] a6a0a71259098e11a048be9e9bc1b3b33bee03fca511dd26633403137cd5378f