[INFO] fetching crate trees 0.3.0... [INFO] testing trees-0.3.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate trees 0.3.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate trees 0.3.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate trees 0.3.0 [INFO] finished tweaking crates.io crate trees 0.3.0 [INFO] tweaked toml for crates.io crate trees 0.3.0 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 69764649136db27145c378ee3c081b94deffb553354c352c1d39662a124f8bba [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" "69764649136db27145c378ee3c081b94deffb553354c352c1d39662a124f8bba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69764649136db27145c378ee3c081b94deffb553354c352c1d39662a124f8bba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69764649136db27145c378ee3c081b94deffb553354c352c1d39662a124f8bba", kill_on_drop: false }` [INFO] [stdout] 69764649136db27145c378ee3c081b94deffb553354c352c1d39662a124f8bba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 540135b727beeb2f3f8ab2acd02d81a0d7824ee8ba6f2997bd94fdd8be14e280 [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" "540135b727beeb2f3f8ab2acd02d81a0d7824ee8ba6f2997bd94fdd8be14e280", kill_on_drop: false }` [INFO] [stderr] Compiling indexed v0.2.0 [INFO] [stderr] Compiling trees v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.11s [INFO] running `Command { std: "docker" "inspect" "540135b727beeb2f3f8ab2acd02d81a0d7824ee8ba6f2997bd94fdd8be14e280", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "540135b727beeb2f3f8ab2acd02d81a0d7824ee8ba6f2997bd94fdd8be14e280", kill_on_drop: false }` [INFO] [stdout] 540135b727beeb2f3f8ab2acd02d81a0d7824ee8ba6f2997bd94fdd8be14e280 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 31ea98407f3ddb573c71419fcb86409c0e8f04d0a6e1bfad7c7cfa9b98934733 [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" "31ea98407f3ddb573c71419fcb86409c0e8f04d0a6e1bfad7c7cfa9b98934733", kill_on_drop: false }` [INFO] [stderr] Compiling trees v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.33s [INFO] running `Command { std: "docker" "inspect" "31ea98407f3ddb573c71419fcb86409c0e8f04d0a6e1bfad7c7cfa9b98934733", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31ea98407f3ddb573c71419fcb86409c0e8f04d0a6e1bfad7c7cfa9b98934733", kill_on_drop: false }` [INFO] [stdout] 31ea98407f3ddb573c71419fcb86409c0e8f04d0a6e1bfad7c7cfa9b98934733 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 87cd34b447c9d74d29bb02f821c4059c973675219e948309d819f6dacde3054a [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" "87cd34b447c9d74d29bb02f821c4059c973675219e948309d819f6dacde3054a", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/trees-67f04beb44c5dd99 [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test linked::fully::tests::node_extend ... ok [INFO] [stdout] test linked::fully::tests::notation ... ok [INFO] [stdout] test linked::fully::tests::tree_drop ... ok [INFO] [stdout] test linked::fully::tests::forest_extend ... ok [INFO] [stdout] test linked::fully::tests::forest_into ... ok [INFO] [stdout] test linked::singly::tests::tree_equal ... ok [INFO] [stdout] test potted::forest::tests::from_bfs ... ok [INFO] [stdout] test potted::forest::tests::from_tuple ... ok [INFO] [stdout] test potted::tree::tests::from_bfs ... ok [INFO] [stdout] test potted::tree::tests::from_tuple ... ok [INFO] [stdout] test linked::singly::tests::borrow_forest ... ok [INFO] [stdout] test linked::fully::tests::borrow_forest ... ok [INFO] [stdout] test linked::singly::tests::forest_extend ... ok [INFO] [stdout] test linked::singly::tests::forest_from ... ok [INFO] [stdout] test linked::singly::tests::forest_into ... ok [INFO] [stdout] test linked::fully::tests::forest_from ... ok [INFO] [stdout] test linked::singly::tests::notation ... ok [INFO] [stdout] test linked::singly::tests::tree_drop ... ok [INFO] [stdout] test linked::singly::tests::tree_extend ... ok [INFO] [stdout] test linked::fully::tests::tree_equal ... ok [INFO] [stdout] test potted::tests::test_grow ... ok [INFO] [stdout] test potted::tests::test_tree_to_string ... FAILED [INFO] [stdout] test potted::tests::test_crud ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- potted::tests::test_tree_to_string stdout ---- [INFO] [stdout] thread 'potted::tests::test_tree_to_string' panicked at 'attempted to leave type `&str` uninitialized, which is invalid', /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/mem/mod.rs:659:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x562ebb9b5690 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x562ebb9b5690 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x562ebb9b5690 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x562ebb9b5690 - ::fmt::h7881e3a580134f9a [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x562ebb9d918c - core::fmt::write::h1857a60b204f1b6a [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x562ebb9b1b32 - std::io::Write::write_fmt::hd17811b9a5dec54b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x562ebb9b7ec5 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x562ebb9b7ec5 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x562ebb9b7ec5 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x562ebb9b7a52 - std::panicking::default_hook::hb08853b392b9404b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x562ebb9b8661 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x562ebb9b8177 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:495:13 [INFO] [stdout] 12: 0x562ebb9b5b4c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x562ebb9b8109 - rust_begin_unwind [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x562ebb9d7b11 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x562ebb9d7a5d - core::panicking::panic::h5d1c61fed2502a5f [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:50:5 [INFO] [stdout] 16: 0x562ebb95972f - core::mem::uninitialized::h223f0f4cfc7ee05b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/mem/mod.rs:659:9 [INFO] [stdout] 17: 0x562ebb95972f - trees::potted::tree_null::hcb1e3e78d8eab218 [INFO] [stdout] at /opt/rustwide/workdir/src/potted/mod.rs:51:28 [INFO] [stdout] 18: 0x562ebb94730e - trees::potted::pot::Pot::new_tree::h10b540222f3351bc [INFO] [stdout] at /opt/rustwide/workdir/src/potted/pot.rs:25:44 [INFO] [stdout] 19: 0x562ebb9587e1 - as core::convert::From>::from::h6caff0c1beeb9972 [INFO] [stdout] at /opt/rustwide/workdir/src/potted/tree.rs:82:19 [INFO] [stdout] 20: 0x562ebb93d515 - >::into::ha3f2e071ced86780 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/convert/mod.rs:546:9 [INFO] [stdout] 21: 0x562ebb959a18 - trees::potted::tests::test_tree_to_string::hf6e56b4cad7a5e6f [INFO] [stdout] at /opt/rustwide/workdir/src/potted/mod.rs:98:29 [INFO] [stdout] 22: 0x562ebb9598da - trees::potted::tests::test_tree_to_string::{{closure}}::hecb66aa8a36c43a4 [INFO] [stdout] at /opt/rustwide/workdir/src/potted/mod.rs:87:13 [INFO] [stdout] 23: 0x562ebb9490de - core::ops::function::FnOnce::call_once::hbe010d9d8ce59efe [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 24: 0x562ebb986c53 - core::ops::function::FnOnce::call_once::h72b3efc134abec04 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 25: 0x562ebb986c53 - test::__rust_begin_short_backtrace::hf76173a3f44f554b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:516:5 [INFO] [stdout] 26: 0x562ebb985348 - as core::ops::function::FnOnce>::call_once::h49f5b686efed1e06 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 27: 0x562ebb985348 - as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:322:9 [INFO] [stdout] 28: 0x562ebb985348 - std::panicking::try::do_call::h9655796ce3021b6c [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stdout] 29: 0x562ebb985348 - std::panicking::try::h346508ed448399f4 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stdout] 30: 0x562ebb985348 - std::panic::catch_unwind::h00e84f4e9c3caaa0 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stdout] 31: 0x562ebb985348 - test::run_test_in_process::hc80321f825c30106 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:538:18 [INFO] [stdout] 32: 0x562ebb985348 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:449:39 [INFO] [stdout] 33: 0x562ebb95f936 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 34: 0x562ebb9640fd - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/mod.rs:474:17 [INFO] [stdout] 35: 0x562ebb9640fd - as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:322:9 [INFO] [stdout] 36: 0x562ebb9640fd - std::panicking::try::do_call::haad8639857ae1187 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stdout] 37: 0x562ebb9640fd - std::panicking::try::h61de115e9dce60f6 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stdout] 38: 0x562ebb9640fd - std::panic::catch_unwind::h50601fd82666a838 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stdout] 39: 0x562ebb9640fd - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/mod.rs:473:30 [INFO] [stdout] 40: 0x562ebb9640fd - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 41: 0x562ebb9bdc4a - as core::ops::function::FnOnce>::call_once::h5446ed3fdb82006e [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 42: 0x562ebb9bdc4a - as core::ops::function::FnOnce>::call_once::h62a21a889329a3f2 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 43: 0x562ebb9bdc4a - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stdout] 44: 0x7f6ec693b609 - start_thread [INFO] [stdout] 45: 0x7f6ec670d293 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- potted::tests::test_crud stdout ---- [INFO] [stdout] thread 'potted::tests::test_crud' panicked at 'attempted to leave type `&str` uninitialized, which is invalid', /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/mem/mod.rs:659:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x562ebb9b5690 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x562ebb9b5690 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x562ebb9b5690 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x562ebb9b5690 - ::fmt::h7881e3a580134f9a [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x562ebb9d918c - core::fmt::write::h1857a60b204f1b6a [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x562ebb9b1b32 - std::io::Write::write_fmt::hd17811b9a5dec54b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15 [INFO] [stdout] 6: 0x562ebb9b7ec5 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x562ebb9b7ec5 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x562ebb9b7ec5 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x562ebb9b7a52 - std::panicking::default_hook::hb08853b392b9404b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x562ebb9b8661 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17 [INFO] [stdout] 11: 0x562ebb9b8177 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:495:13 [INFO] [stdout] 12: 0x562ebb9b5b4c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x562ebb9b8109 - rust_begin_unwind [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5 [INFO] [stdout] 14: 0x562ebb9d7b11 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x562ebb9d7a5d - core::panicking::panic::h5d1c61fed2502a5f [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:50:5 [INFO] [stdout] 16: 0x562ebb95972f - core::mem::uninitialized::h223f0f4cfc7ee05b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/mem/mod.rs:659:9 [INFO] [stdout] 17: 0x562ebb95972f - trees::potted::tree_null::hcb1e3e78d8eab218 [INFO] [stdout] at /opt/rustwide/workdir/src/potted/mod.rs:51:28 [INFO] [stdout] 18: 0x562ebb94730e - trees::potted::pot::Pot::new_tree::h10b540222f3351bc [INFO] [stdout] at /opt/rustwide/workdir/src/potted/pot.rs:25:44 [INFO] [stdout] 19: 0x562ebb95873d - as core::convert::From>::from::h6c14b413e8e4b2a8 [INFO] [stdout] at /opt/rustwide/workdir/src/potted/tree.rs:82:19 [INFO] [stdout] 20: 0x562ebb93d543 - >::into::hb8d2a106bb831621 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/convert/mod.rs:546:9 [INFO] [stdout] 21: 0x562ebb959ff7 - trees::potted::tests::test_crud::hb3b52c9156f81371 [INFO] [stdout] at /opt/rustwide/workdir/src/potted/mod.rs:104:33 [INFO] [stdout] 22: 0x562ebb959faa - trees::potted::tests::test_crud::{{closure}}::he58231cdec601789 [INFO] [stdout] at /opt/rustwide/workdir/src/potted/mod.rs:103:13 [INFO] [stdout] 23: 0x562ebb94916e - core::ops::function::FnOnce::call_once::hd4c8ce9d0fc53dac [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 24: 0x562ebb986c53 - core::ops::function::FnOnce::call_once::h72b3efc134abec04 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 25: 0x562ebb986c53 - test::__rust_begin_short_backtrace::hf76173a3f44f554b [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:516:5 [INFO] [stdout] 26: 0x562ebb985348 - as core::ops::function::FnOnce>::call_once::h49f5b686efed1e06 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 27: 0x562ebb985348 - as core::ops::function::FnOnce<()>>::call_once::h4879f836ca9aaead [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:322:9 [INFO] [stdout] 28: 0x562ebb985348 - std::panicking::try::do_call::h9655796ce3021b6c [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stdout] 29: 0x562ebb985348 - std::panicking::try::h346508ed448399f4 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stdout] 30: 0x562ebb985348 - std::panic::catch_unwind::h00e84f4e9c3caaa0 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stdout] 31: 0x562ebb985348 - test::run_test_in_process::hc80321f825c30106 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:538:18 [INFO] [stdout] 32: 0x562ebb985348 - test::run_test::run_test_inner::{{closure}}::h89c217441620999f [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/test/src/lib.rs:449:39 [INFO] [stdout] 33: 0x562ebb95f936 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3852ec0877008db6 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 34: 0x562ebb9640fd - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h7c7dfff4b938ae67 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/mod.rs:474:17 [INFO] [stdout] 35: 0x562ebb9640fd - as core::ops::function::FnOnce<()>>::call_once::h8db0dd15c072a403 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:322:9 [INFO] [stdout] 36: 0x562ebb9640fd - std::panicking::try::do_call::haad8639857ae1187 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stdout] 37: 0x562ebb9640fd - std::panicking::try::h61de115e9dce60f6 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stdout] 38: 0x562ebb9640fd - std::panic::catch_unwind::h50601fd82666a838 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stdout] 39: 0x562ebb9640fd - std::thread::Builder::spawn_unchecked::{{closure}}::hac267391ef9d21bd [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/thread/mod.rs:473:30 [INFO] [stdout] 40: 0x562ebb9640fd - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb15d2d9c42706b7 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 41: 0x562ebb9bdc4a - as core::ops::function::FnOnce>::call_once::h5446ed3fdb82006e [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 42: 0x562ebb9bdc4a - as core::ops::function::FnOnce>::call_once::h62a21a889329a3f2 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/alloc/src/boxed.rs:1318:9 [INFO] [stdout] 43: 0x562ebb9bdc4a - std::sys::unix::thread::Thread::new::thread_start::h62402416daf174b6 [INFO] [stdout] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stdout] 44: 0x7f6ec693b609 - start_thread [INFO] [stdout] 45: 0x7f6ec670d293 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] potted::tests::test_crud [INFO] [stdout] potted::tests::test_tree_to_string [INFO] [stdout] [INFO] [stdout] test result: FAILED. 21 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "87cd34b447c9d74d29bb02f821c4059c973675219e948309d819f6dacde3054a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87cd34b447c9d74d29bb02f821c4059c973675219e948309d819f6dacde3054a", kill_on_drop: false }` [INFO] [stdout] 87cd34b447c9d74d29bb02f821c4059c973675219e948309d819f6dacde3054a