[INFO] cloning repository https://github.com/scifi6546/gakona
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scifi6546/gakona" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscifi6546%2Fgakona", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscifi6546%2Fgakona'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd4539105d1b47362fc64e43292c84ea12896ab1
[INFO] testing scifi6546/gakona against try#a40ec913238f4f188d97c41aa605cb486451acf2+target=i686-unknown-linux-musl for musl_1_2_upgrade_i686_unknown_linux_musl
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscifi6546%2Fgakona" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scifi6546/gakona on toolchain a40ec913238f4f188d97c41aa605cb486451acf2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scifi6546/gakona
[INFO] finished tweaking git repo https://github.com/scifi6546/gakona
[INFO] tweaked toml for git repo https://github.com/scifi6546/gakona written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/scifi6546/gakona already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f53306a411c49b9a34fa58eb8690fa96e2c755c98a4bfabbc1c063290910a916
[INFO] running `Command { std: "docker" "start" "-a" "f53306a411c49b9a34fa58eb8690fa96e2c755c98a4bfabbc1c063290910a916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f53306a411c49b9a34fa58eb8690fa96e2c755c98a4bfabbc1c063290910a916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53306a411c49b9a34fa58eb8690fa96e2c755c98a4bfabbc1c063290910a916", kill_on_drop: false }`
[INFO] [stdout] f53306a411c49b9a34fa58eb8690fa96e2c755c98a4bfabbc1c063290910a916
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e57b1bb603924dbb1c5f16d6595d63d4864b756f7e4814312dc536f090fd2839
[INFO] running `Command { std: "docker" "start" "-a" "e57b1bb603924dbb1c5f16d6595d63d4864b756f7e4814312dc536f090fd2839", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling gulkana v1.0.1
[INFO] [stderr]    Compiling gakona v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.19s
[INFO] running `Command { std: "docker" "inspect" "e57b1bb603924dbb1c5f16d6595d63d4864b756f7e4814312dc536f090fd2839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57b1bb603924dbb1c5f16d6595d63d4864b756f7e4814312dc536f090fd2839", kill_on_drop: false }`
[INFO] [stdout] e57b1bb603924dbb1c5f16d6595d63d4864b756f7e4814312dc536f090fd2839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 308dce2de7d0d10051d84b0d3a04bc9e3511ea3020afe866090da4bf5cc092d0
[INFO] running `Command { std: "docker" "start" "-a" "308dce2de7d0d10051d84b0d3a04bc9e3511ea3020afe866090da4bf5cc092d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling gakona v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "308dce2de7d0d10051d84b0d3a04bc9e3511ea3020afe866090da4bf5cc092d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308dce2de7d0d10051d84b0d3a04bc9e3511ea3020afe866090da4bf5cc092d0", kill_on_drop: false }`
[INFO] [stdout] 308dce2de7d0d10051d84b0d3a04bc9e3511ea3020afe866090da4bf5cc092d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 42c31265970313646a383f1a056e5f354a042083d5e5d7b1998154c72a89fde0
[INFO] running `Command { std: "docker" "start" "-a" "42c31265970313646a383f1a056e5f354a042083d5e5d7b1998154c72a89fde0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/gakona-70dbf9d5181ff7bf)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::insert ... ok
[INFO] [stdout] test tests::iterate_root ... ok
[INFO] [stdout] test tests::get_root_children ... ok
[INFO] [stdout] test tests::mass_insert ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::mass_insert stdout ----
[INFO] [stdout] thread 'tests::mass_insert' panicked at 'assertion failed: key_res.is_ok()', src/lib.rs:237:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:  0x80e0921 - std::backtrace_rs::backtrace::libunwind::trace::h104fa452555c99d8
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:  0x80e0921 - std::backtrace_rs::backtrace::trace_unsynchronized::h0a8252d88f024747
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:  0x80e0921 - std::sys_common::backtrace::_print_fmt::h5cd63a03c21f7741
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/sys_common/backtrace.rs:65:5
[INFO] [stdout]    3:  0x80e0921 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbd8d931cffed74c6
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:  0x811e60c - core::fmt::write::hf9516172e71ddf40
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/core/src/fmt/mod.rs:1213:17
[INFO] [stdout]    5:  0x80de06b - std::io::Write::write_fmt::hdf04330b9e16e0c0
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/io/mod.rs:1682:15
[INFO] [stdout]    6:  0x80e0726 - std::sys_common::backtrace::_print::hb81277fe50a8d899
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    7:  0x80e0726 - std::sys_common::backtrace::print::ha87c182f636b8daf
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    8:  0x80e2305 - std::panicking::default_hook::{{closure}}::he705de5c2afaeb86
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/panicking.rs:267:22
[INFO] [stdout]    9:  0x80e2005 - std::panicking::default_hook::h18d980bdf65e921f
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/panicking.rs:283:9
[INFO] [stdout]   10:  0x80c013c - core::ops::function::Fn::call::h352171db07b38cc9
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/core/src/ops/function.rs:79:5
[INFO] [stdout]   11:  0x8098c59 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h087b52e51e83fc8e
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/alloc/src/boxed.rs:2002:9
[INFO] [stdout]   12:  0x8098c59 - test::test_main::{{closure}}::hb854e86f34352ae6
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/test/src/lib.rs:135:21
[INFO] [stdout]   13:  0x80e2a41 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h843cec44e0c3e0b1
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/alloc/src/boxed.rs:2002:9
[INFO] [stdout]   14:  0x80e2a41 - std::panicking::rust_panic_with_hook::he61419fbe644c5af
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/panicking.rs:692:13
[INFO] [stdout]   15:  0x80e27b1 - std::panicking::begin_panic_handler::{{closure}}::h2a512cdc056f1e5c
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/panicking.rs:577:13
[INFO] [stdout]   16:  0x80e0d9a - std::sys_common::backtrace::__rust_end_short_backtrace::h00cf281ca60df1fa
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/sys_common/backtrace.rs:137:18
[INFO] [stdout]   17:  0x80e24d3 - rust_begin_unwind
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/panicking.rs:575:5
[INFO] [stdout]   18:  0x804c600 - core::panicking::panic_fmt::h5fe5ec922118750e
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/core/src/panicking.rs:64:14
[INFO] [stdout]   19:  0x804c6b3 - core::panicking::panic::hbcc1d3adcd44acc0
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/core/src/panicking.rs:114:5
[INFO] [stdout]   20:  0x805b236 - gakona::tests::mass_insert::hf1256a1a37e28c85
[INFO] [stdout]                        at /opt/rustwide/workdir/src/lib.rs:237:13
[INFO] [stdout]   21:  0x805afd7 - gakona::tests::mass_insert::{{closure}}::hcedbc5c0c844aa5e
[INFO] [stdout]                        at /opt/rustwide/workdir/src/lib.rs:230:21
[INFO] [stdout]   22:  0x806878d - core::ops::function::FnOnce::call_once::he15b1d5e72d3f9dd
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:  0x809d6ae - core::ops::function::FnOnce::call_once::h91d0dfda8bb9938e
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:  0x809d6ae - test::__rust_begin_short_backtrace::h1b678021c2c7c382
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/test/src/lib.rs:656:18
[INFO] [stdout]   25:  0x80711e0 - test::run_test::{{closure}}::h0608bfc5582d1472
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/test/src/lib.rs:647:30
[INFO] [stdout]   26:  0x80711e0 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h0171ab92c79d505a
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:  0x809c827 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h44bb5e1b0b78658f
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/alloc/src/boxed.rs:1988:9
[INFO] [stdout]   28:  0x809c827 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf14b9bc9243bc6b0
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:  0x809c827 - std::panicking::try::do_call::h2614ccc7313d3f7f
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/panicking.rs:483:40
[INFO] [stdout]   30:  0x809c827 - std::panicking::try::h9ae839d4ad9722f8
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/panicking.rs:447:19
[INFO] [stdout]   31:  0x809c827 - std::panic::catch_unwind::hc1cb34e922e62e51
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/panic.rs:140:14
[INFO] [stdout]   32:  0x809c827 - test::run_test_in_process::he32539bd91b43aae
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/test/src/lib.rs:679:27
[INFO] [stdout]   33:  0x809c827 - test::run_test::run_test_inner::{{closure}}::h251e49a2e77c04ae
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/test/src/lib.rs:573:39
[INFO] [stdout]   34:  0x806bb6a - test::run_test::run_test_inner::{{closure}}::h8efa48cfafca95a9
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/test/src/lib.rs:600:37
[INFO] [stdout]   35:  0x806bb6a - std::sys_common::backtrace::__rust_begin_short_backtrace::hd8d1cab504dcff1d
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/sys_common/backtrace.rs:121:18
[INFO] [stdout]   36:  0x80714db - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h6b7049d1c34b0ebf
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/thread/mod.rs:558:17
[INFO] [stdout]   37:  0x80714db - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h851a140381089cab
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:  0x80714db - std::panicking::try::do_call::hd62be527b2c88583
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/panicking.rs:483:40
[INFO] [stdout]   39:  0x80714db - std::panicking::try::h224f4be6bf8f39b0
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/panicking.rs:447:19
[INFO] [stdout]   40:  0x80714db - std::panic::catch_unwind::he51e6d58f5cc977e
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/panic.rs:140:14
[INFO] [stdout]   41:  0x80714db - std::thread::Builder::spawn_unchecked_::{{closure}}::hdeb5cc8debe6cfbf
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   42:  0x80714db - core::ops::function::FnOnce::call_once{{vtable.shim}}::h37aeaa4cf4078e37
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:  0x80e696d - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hbcf52fd66176976e
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/alloc/src/boxed.rs:1988:9
[INFO] [stdout]   44:  0x80e696d - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5505c14554e15331
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/alloc/src/boxed.rs:1988:9
[INFO] [stdout]   45:  0x80e696d - std::sys::unix::thread::Thread::new::thread_start::h6464f27a12864ff1
[INFO] [stdout]                        at /rustc/a40ec913238f4f188d97c41aa605cb486451acf2/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::mass_insert
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.80s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "42c31265970313646a383f1a056e5f354a042083d5e5d7b1998154c72a89fde0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c31265970313646a383f1a056e5f354a042083d5e5d7b1998154c72a89fde0", kill_on_drop: false }`
[INFO] [stdout] 42c31265970313646a383f1a056e5f354a042083d5e5d7b1998154c72a89fde0