[INFO] fetching crate treebitmap 0.4.0...
[INFO] testing treebitmap-0.4.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate treebitmap 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate treebitmap 0.4.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate treebitmap 0.4.0
[INFO] finished tweaking crates.io crate treebitmap 0.4.0
[INFO] tweaked toml for crates.io crate treebitmap 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03fb18e23a8763fd1bf52735e9c76cdee0f92e84b4227f7a2004e121bf164635
[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" "03fb18e23a8763fd1bf52735e9c76cdee0f92e84b4227f7a2004e121bf164635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03fb18e23a8763fd1bf52735e9c76cdee0f92e84b4227f7a2004e121bf164635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03fb18e23a8763fd1bf52735e9c76cdee0f92e84b4227f7a2004e121bf164635", kill_on_drop: false }`
[INFO] [stdout] 03fb18e23a8763fd1bf52735e9c76cdee0f92e84b4227f7a2004e121bf164635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] c46ca3882df8f5a0908c3c47f41e43e54c184464298d34188b6f24c55dc5e87c
[INFO] running `Command { std: "docker" "start" "-a" "c46ca3882df8f5a0908c3c47f41e43e54c184464298d34188b6f24c55dc5e87c", kill_on_drop: false }`
[INFO] [stderr]    Compiling treebitmap v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "c46ca3882df8f5a0908c3c47f41e43e54c184464298d34188b6f24c55dc5e87c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c46ca3882df8f5a0908c3c47f41e43e54c184464298d34188b6f24c55dc5e87c", kill_on_drop: false }`
[INFO] [stdout] c46ca3882df8f5a0908c3c47f41e43e54c184464298d34188b6f24c55dc5e87c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e4d7707592af51d190c899f39999050288bddee739def6c3b8024ff1dbdfe5b
[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" "5e4d7707592af51d190c899f39999050288bddee739def6c3b8024ff1dbdfe5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling treebitmap v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tree_bitmap/allocator.rs:458:17
[INFO] [stdout]     |
[INFO] [stdout] 458 |             let mut x = bucket.get_slot_entry_mut(slot, i);
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tree_bitmap/allocator.rs:545:17
[INFO] [stdout]     |
[INFO] [stdout] 545 |             let mut x = alloc.get_mut(&hdl, i);
[INFO] [stdout]     |                 ----^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "5e4d7707592af51d190c899f39999050288bddee739def6c3b8024ff1dbdfe5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4d7707592af51d190c899f39999050288bddee739def6c3b8024ff1dbdfe5b", kill_on_drop: false }`
[INFO] [stdout] 5e4d7707592af51d190c899f39999050288bddee739def6c3b8024ff1dbdfe5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7aa9e790f6be81cc1de809db72d620e6a0d744391a76dd9beaf9e649d55a38d
[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" "f7aa9e790f6be81cc1de809db72d620e6a0d744391a76dd9beaf9e649d55a38d", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree_bitmap/allocator.rs:458:17
[INFO] [stderr]     |
[INFO] [stderr] 458 |             let mut x = bucket.get_slot_entry_mut(slot, i);
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tree_bitmap/allocator.rs:545:17
[INFO] [stderr]     |
[INFO] [stderr] 545 |             let mut x = alloc.get_mut(&hdl, i);
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/treebitmap-2f445e83564f368c
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test tree_bitmap::allocator::tests::bucketvec_get_slot_entry ... ok
[INFO] [stdout] test tree_bitmap::allocator::tests::allocator_set ... ok
[INFO] [stdout] test address::tests::address_ipv6_nibbles ... ok
[INFO] [stdout] test tree_bitmap::allocator::tests::allocator_new ... ok
[INFO] [stdout] test address::tests::address_ipv6_mask ... ok
[INFO] [stdout] test address::tests::address_ipv4_mask ... ok
[INFO] [stdout] test address::tests::address_ipv4_nibbles ... ok
[INFO] [stdout] test tree_bitmap::node::tests::match_segment ... ok
[INFO] [stdout] test tree_bitmap::node::tests::test_trienode_new ... ok
[INFO] [stdout] test tree_bitmap::allocator::tests::bucketvec_move_to ... ok
[INFO] [stdout] test tree_bitmap::tests::drop ... ok
[INFO] [stdout] test tree_bitmap::tests::into_iter_drop ... ok
[INFO] [stdout] test tree_bitmap::tests::iter ... ok
[INFO] [stdout] test tree_bitmap::allocator::tests::bucketvec_get_slot_entry_mut ... ok
[INFO] [stdout] test tree_bitmap::allocator::tests::bucketvec_insert_slot_entry ... ok
[INFO] [stdout] test address::tests::address_ipv4_from_nibbles ... ok
[INFO] [stdout] test address::tests::address_ipv6_from_nibbles ... ok
[INFO] [stdout] test tree_bitmap::allocator::tests::allocator_drain ... ok
[INFO] [stdout] test tree_bitmap::tests::into_iter ... ok
[INFO] [stdout] test tree_bitmap::allocator::tests::allocator_alloc1 ... ok
[INFO] [stdout] test tree_bitmap::allocator::tests::allocator_fill ... ok
[INFO] [stdout] test tree_bitmap::allocator::tests::allocator_get_mut ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stdout] test tree_bitmap::tests::len ... FAILED
[INFO] [stdout] test tree_bitmap::tests::remove ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tree_bitmap::tests::len stdout ----
[INFO] [stdout] thread 'tree_bitmap::tests::len' panicked at 'attempted to zero-initialize type `&str`, which is invalid', /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/mem/mod.rs:628:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55b84843da15 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55b84843da15 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55b84843da15 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55b84843da15 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55b8484656cc - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55b8483f0355 - std::io::Write::write_fmt::hd8ff364c7845d2d0
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55b848436121 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h1c057ef6e8762996
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55b848440170 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55b848440170 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55b848440170 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55b84843fe6a - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55b8484407b3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55b8484403ab - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55b848464061 - core::panicking::panic_fmt::h17139c2000299725
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   14:     0x55b848463fad - core::panicking::panic::hcdaeac63c39347d7
[INFO] [stdout]                                at src/libcore/panicking.rs:50
[INFO] [stdout]   15:     0x55b8483c3019 - core::mem::zeroed::h4b228c1271552919
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/mem/mod.rs:628
[INFO] [stdout]   16:     0x55b8483c3019 - treebitmap::tree_bitmap::allocator::BucketVec<T>::remove_slot_entry::h1d6351d7a2d203c2
[INFO] [stdout]                                at src/tree_bitmap/allocator.rs:195
[INFO] [stdout]   17:     0x55b8483c8b15 - treebitmap::tree_bitmap::allocator::Allocator<T>::remove::h7914fbe00455d8b1
[INFO] [stdout]                                at src/tree_bitmap/allocator.rs:392
[INFO] [stdout]   18:     0x55b8483ca4ad - treebitmap::tree_bitmap::TreeBitmap<T>::push_down::h8d7f27e7dbb2c5e2
[INFO] [stdout]                                at src/tree_bitmap/mod.rs:79
[INFO] [stdout]   19:     0x55b8483cc082 - treebitmap::tree_bitmap::TreeBitmap<T>::insert::h7adacf01c1f5033f
[INFO] [stdout]                                at src/tree_bitmap/mod.rs:206
[INFO] [stdout]   20:     0x55b8483dfde0 - treebitmap::tree_bitmap::tests::len::h404a9e0a9d183103
[INFO] [stdout]                                at src/tree_bitmap/mod.rs:549
[INFO] [stdout]   21:     0x55b8483df80a - treebitmap::tree_bitmap::tests::len::{{closure}}::hba318e2bca5ca6a4
[INFO] [stdout]                                at src/tree_bitmap/mod.rs:535
[INFO] [stdout]   22:     0x55b8483d744e - core::ops::function::FnOnce::call_once::h7d5c3ece550e1874
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233
[INFO] [stdout]   23:     0x55b8484178cc - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42148c33ed88c979
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081
[INFO] [stdout]   24:     0x55b8484178cc - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h759dc0b09d774665
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318
[INFO] [stdout]   25:     0x55b8484178cc - std::panicking::try::do_call::h676ad1fc9e9badea
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348
[INFO] [stdout]   26:     0x55b8484178cc - std::panicking::try::hee36a8727a3050b0
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325
[INFO] [stdout]   27:     0x55b8484178cc - std::panic::catch_unwind::hd5d426ebd89b2542
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394
[INFO] [stdout]   28:     0x55b8484178cc - test::run_test_in_process::h8dacdba4dc4cbaa5
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   29:     0x55b8484178cc - test::run_test::run_test_inner::{{closure}}::hf93754afad6be40f
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   30:     0x55b8483ef846 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2c69fab544a90730
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   31:     0x55b8483f48d5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hcf302fafa60d80f2
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:475
[INFO] [stdout]   32:     0x55b8483f48d5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h39ede710608e817e
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318
[INFO] [stdout]   33:     0x55b8483f48d5 - std::panicking::try::do_call::hec0b4d2faa46fbf7
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348
[INFO] [stdout]   34:     0x55b8483f48d5 - std::panicking::try::h0144ba3f2539803d
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325
[INFO] [stdout]   35:     0x55b8483f48d5 - std::panic::catch_unwind::ha03e59eb589f857b
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394
[INFO] [stdout]   36:     0x55b8483f48d5 - std::thread::Builder::spawn_unchecked::{{closure}}::hdeba34620a4a7a44
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:474
[INFO] [stdout]   37:     0x55b8483f48d5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h552693dbb801eadd
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233
[INFO] [stdout]   38:     0x55b8484469ca - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h61c24496ae624ac5
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081
[INFO] [stdout]   39:     0x55b8484469ca - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h89548957afa14049
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081
[INFO] [stdout]   40:     0x55b8484469ca - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   41:     0x7fa2e5868609 - start_thread
[INFO] [stdout]   42:     0x7fa2e5774103 - __clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tree_bitmap::tests::remove stdout ----
[INFO] [stdout] thread 'tree_bitmap::tests::remove' panicked at 'attempted to zero-initialize type `&str`, which is invalid', /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/mem/mod.rs:628:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55b84843da15 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x55b84843da15 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55b84843da15 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x55b84843da15 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hdb4a83d2b61107e5
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x55b8484656cc - core::fmt::write::ha20e7262fa3e8a7a
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x55b8483f0355 - std::io::Write::write_fmt::hd8ff364c7845d2d0
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/io/mod.rs:1537
[INFO] [stdout]    6:     0x55b848436121 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h1c057ef6e8762996
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x55b848440170 - std::sys_common::backtrace::_print::h9c07314cc66ba539
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x55b848440170 - std::sys_common::backtrace::print::hd1fd65f49a2d8544
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x55b848440170 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x55b84843fe6a - std::panicking::default_hook::hc5868949d129ed00
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x55b8484407b3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x55b8484403ab - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:437
[INFO] [stdout]   13:     0x55b848464061 - core::panicking::panic_fmt::h17139c2000299725
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   14:     0x55b848463fad - core::panicking::panic::hcdaeac63c39347d7
[INFO] [stdout]                                at src/libcore/panicking.rs:50
[INFO] [stdout]   15:     0x55b8483c3019 - core::mem::zeroed::h4b228c1271552919
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/mem/mod.rs:628
[INFO] [stdout]   16:     0x55b8483c3019 - treebitmap::tree_bitmap::allocator::BucketVec<T>::remove_slot_entry::h1d6351d7a2d203c2
[INFO] [stdout]                                at src/tree_bitmap/allocator.rs:195
[INFO] [stdout]   17:     0x55b8483c8b15 - treebitmap::tree_bitmap::allocator::Allocator<T>::remove::h7914fbe00455d8b1
[INFO] [stdout]                                at src/tree_bitmap/allocator.rs:392
[INFO] [stdout]   18:     0x55b8483ca4ad - treebitmap::tree_bitmap::TreeBitmap<T>::push_down::h8d7f27e7dbb2c5e2
[INFO] [stdout]                                at src/tree_bitmap/mod.rs:79
[INFO] [stdout]   19:     0x55b8483cc082 - treebitmap::tree_bitmap::TreeBitmap<T>::insert::h7adacf01c1f5033f
[INFO] [stdout]                                at src/tree_bitmap/mod.rs:206
[INFO] [stdout]   20:     0x55b8483e065e - treebitmap::tree_bitmap::tests::remove::h9a6e8cac32be8a60
[INFO] [stdout]                                at src/tree_bitmap/mod.rs:565
[INFO] [stdout]   21:     0x55b8483e054a - treebitmap::tree_bitmap::tests::remove::{{closure}}::h8b450d934b3bd1e5
[INFO] [stdout]                                at src/tree_bitmap/mod.rs:560
[INFO] [stdout]   22:     0x55b8483d726e - core::ops::function::FnOnce::call_once::h2e5a06e1e1e26208
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233
[INFO] [stdout]   23:     0x55b8484178cc - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h42148c33ed88c979
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081
[INFO] [stdout]   24:     0x55b8484178cc - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h759dc0b09d774665
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318
[INFO] [stdout]   25:     0x55b8484178cc - std::panicking::try::do_call::h676ad1fc9e9badea
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348
[INFO] [stdout]   26:     0x55b8484178cc - std::panicking::try::hee36a8727a3050b0
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325
[INFO] [stdout]   27:     0x55b8484178cc - std::panic::catch_unwind::hd5d426ebd89b2542
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394
[INFO] [stdout]   28:     0x55b8484178cc - test::run_test_in_process::h8dacdba4dc4cbaa5
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   29:     0x55b8484178cc - test::run_test::run_test_inner::{{closure}}::hf93754afad6be40f
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   30:     0x55b8483ef846 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2c69fab544a90730
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   31:     0x55b8483f48d5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hcf302fafa60d80f2
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:475
[INFO] [stdout]   32:     0x55b8483f48d5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h39ede710608e817e
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:318
[INFO] [stdout]   33:     0x55b8483f48d5 - std::panicking::try::do_call::hec0b4d2faa46fbf7
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:348
[INFO] [stdout]   34:     0x55b8483f48d5 - std::panicking::try::h0144ba3f2539803d
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panicking.rs:325
[INFO] [stdout]   35:     0x55b8483f48d5 - std::panic::catch_unwind::ha03e59eb589f857b
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/panic.rs:394
[INFO] [stdout]   36:     0x55b8483f48d5 - std::thread::Builder::spawn_unchecked::{{closure}}::hdeba34620a4a7a44
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/thread/mod.rs:474
[INFO] [stdout]   37:     0x55b8483f48d5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h552693dbb801eadd
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/ops/function.rs:233
[INFO] [stdout]   38:     0x55b8484469ca - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h61c24496ae624ac5
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081
[INFO] [stdout]   39:     0x55b8484469ca - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h89548957afa14049
[INFO] [stdout]                                at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081
[INFO] [stdout]   40:     0x55b8484469ca - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   41:     0x7fa2e5868609 - start_thread
[INFO] [stdout]   42:     0x7fa2e5774103 - __clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tree_bitmap::tests::len
[INFO] [stdout]     tree_bitmap::tests::remove
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 22 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f7aa9e790f6be81cc1de809db72d620e6a0d744391a76dd9beaf9e649d55a38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7aa9e790f6be81cc1de809db72d620e6a0d744391a76dd9beaf9e649d55a38d", kill_on_drop: false }`
[INFO] [stdout] f7aa9e790f6be81cc1de809db72d620e6a0d744391a76dd9beaf9e649d55a38d