[INFO] fetching crate lifeguard 0.6.0...
[INFO] testing lifeguard-0.6.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate lifeguard 0.6.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate lifeguard 0.6.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lifeguard 0.6.0
[INFO] finished tweaking crates.io crate lifeguard 0.6.0
[INFO] tweaked toml for crates.io crate lifeguard 0.6.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 685667bf6f88cfb3a34739bdd311f8a1930994cb673fb5c07b13929fd896c7dc
[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" "685667bf6f88cfb3a34739bdd311f8a1930994cb673fb5c07b13929fd896c7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "685667bf6f88cfb3a34739bdd311f8a1930994cb673fb5c07b13929fd896c7dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685667bf6f88cfb3a34739bdd311f8a1930994cb673fb5c07b13929fd896c7dc", kill_on_drop: false }`
[INFO] [stdout] 685667bf6f88cfb3a34739bdd311f8a1930994cb673fb5c07b13929fd896c7dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc176ab6acbaddae96044e6f26aae1deb8ff7226092a1acb0b1a644c0ab3e957
[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" "cc176ab6acbaddae96044e6f26aae1deb8ff7226092a1acb0b1a644c0ab3e957", kill_on_drop: false }`
[INFO] [stderr]    Compiling lifeguard v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:358:17
[INFO] [stdout]     |
[INFO] [stdout] 358 |   supplier: Box<Supply<Output=T>>
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:363:32
[INFO] [stdout]     |
[INFO] [stdout] 363 |   pub fn new(mut supplier: Box<Supply<Output=T>>, starting_size: usize, max_size: usize) -> CappedCollection<T> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:564:28
[INFO] [stdout]     |
[INFO] [stdout] 564 |   pub supplier: Option<Box<Supply<Output=T>>>,
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:621:57
[INFO] [stdout]     |
[INFO] [stdout] 621 |       builder.supplier = Some(Box::new(supplier) as Box<Supply<Output=T>>);
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:276:55
[INFO] [stdout]     |
[INFO] [stdout] 276 |     let value = mem::replace(&mut self.value, unsafe {mem::uninitialized()});
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:347:55
[INFO] [stdout]     |
[INFO] [stdout] 347 |     let value = mem::replace(&mut self.value, unsafe {mem::uninitialized()});
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:348:53
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let pool = mem::replace(&mut self.pool, unsafe {mem::uninitialized()});
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from`
[INFO] [stdout]    --> src/lib.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from`
[INFO] [stdout]    --> src/lib.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "cc176ab6acbaddae96044e6f26aae1deb8ff7226092a1acb0b1a644c0ab3e957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc176ab6acbaddae96044e6f26aae1deb8ff7226092a1acb0b1a644c0ab3e957", kill_on_drop: false }`
[INFO] [stdout] cc176ab6acbaddae96044e6f26aae1deb8ff7226092a1acb0b1a644c0ab3e957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 534ba0be16d0fa330130317730fcdff258c3ecb6accce89b9375b8abbaae5fea
[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" "534ba0be16d0fa330130317730fcdff258c3ecb6accce89b9375b8abbaae5fea", kill_on_drop: false }`
[INFO] [stderr]    Compiling lifeguard v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:358:17
[INFO] [stdout]     |
[INFO] [stdout] 358 |   supplier: Box<Supply<Output=T>>
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:363:32
[INFO] [stdout]     |
[INFO] [stdout] 363 |   pub fn new(mut supplier: Box<Supply<Output=T>>, starting_size: usize, max_size: usize) -> CappedCollection<T> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:564:28
[INFO] [stdout]     |
[INFO] [stdout] 564 |   pub supplier: Option<Box<Supply<Output=T>>>,
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:621:57
[INFO] [stdout]     |
[INFO] [stdout] 621 |       builder.supplier = Some(Box::new(supplier) as Box<Supply<Output=T>>);
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:276:55
[INFO] [stdout]     |
[INFO] [stdout] 276 |     let value = mem::replace(&mut self.value, unsafe {mem::uninitialized()});
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:347:55
[INFO] [stdout]     |
[INFO] [stdout] 347 |     let value = mem::replace(&mut self.value, unsafe {mem::uninitialized()});
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:348:53
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let pool = mem::replace(&mut self.pool, unsafe {mem::uninitialized()});
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from`
[INFO] [stdout]    --> src/lib.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from`
[INFO] [stdout]    --> src/lib.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:358:17
[INFO] [stdout]     |
[INFO] [stdout] 358 |   supplier: Box<Supply<Output=T>>
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:363:32
[INFO] [stdout]     |
[INFO] [stdout] 363 |   pub fn new(mut supplier: Box<Supply<Output=T>>, starting_size: usize, max_size: usize) -> CappedCollection<T> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:564:28
[INFO] [stdout]     |
[INFO] [stdout] 564 |   pub supplier: Option<Box<Supply<Output=T>>>,
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:621:57
[INFO] [stdout]     |
[INFO] [stdout] 621 |       builder.supplier = Some(Box::new(supplier) as Box<Supply<Output=T>>);
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:276:55
[INFO] [stdout]     |
[INFO] [stdout] 276 |     let value = mem::replace(&mut self.value, unsafe {mem::uninitialized()});
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:347:55
[INFO] [stdout]     |
[INFO] [stdout] 347 |     let value = mem::replace(&mut self.value, unsafe {mem::uninitialized()});
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:348:53
[INFO] [stdout]     |
[INFO] [stdout] 348 |     let pool = mem::replace(&mut self.pool, unsafe {mem::uninitialized()});
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from`
[INFO] [stdout]    --> src/lib.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from`
[INFO] [stdout]    --> src/lib.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "534ba0be16d0fa330130317730fcdff258c3ecb6accce89b9375b8abbaae5fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534ba0be16d0fa330130317730fcdff258c3ecb6accce89b9375b8abbaae5fea", kill_on_drop: false }`
[INFO] [stdout] 534ba0be16d0fa330130317730fcdff258c3ecb6accce89b9375b8abbaae5fea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6d6f8423ef1a5ab8148030715ca2002bcf2b5d0eed400b47a6d09b61ecce9464
[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" "6d6f8423ef1a5ab8148030715ca2002bcf2b5d0eed400b47a6d09b61ecce9464", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:358:17
[INFO] [stderr]     |
[INFO] [stderr] 358 |   supplier: Box<Supply<Output=T>>
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:363:32
[INFO] [stderr]     |
[INFO] [stderr] 363 |   pub fn new(mut supplier: Box<Supply<Output=T>>, starting_size: usize, max_size: usize) -> CappedCollection<T> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:564:28
[INFO] [stderr]     |
[INFO] [stderr] 564 |   pub supplier: Option<Box<Supply<Output=T>>>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:621:57
[INFO] [stderr]     |
[INFO] [stderr] 621 |       builder.supplier = Some(Box::new(supplier) as Box<Supply<Output=T>>);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:276:55
[INFO] [stderr]     |
[INFO] [stderr] 276 |     let value = mem::replace(&mut self.value, unsafe {mem::uninitialized()});
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:347:55
[INFO] [stderr]     |
[INFO] [stderr] 347 |     let value = mem::replace(&mut self.value, unsafe {mem::uninitialized()});
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:348:53
[INFO] [stderr]     |
[INFO] [stderr] 348 |     let pool = mem::replace(&mut self.pool, unsafe {mem::uninitialized()});
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/lib.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_from`
[INFO] [stderr]    --> src/lib.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/lib.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_from`
[INFO] [stderr]    --> src/lib.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/lib.rs:358:17
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 358 |   supplier: Box<Supply<Output=T>>
[INFO] [stdout] 
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 19 tests
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] test tests::test_as_mut_rc ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::test_as_ref ... ok
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] test tests::test_as_ref_rc ... ok
[INFO] [stderr]    --> src/lib.rs:363:32
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::test_deref ... ok
[INFO] [stderr] 363 |   pub fn new(mut supplier: Box<Supply<Output=T>>, starting_size: usize, max_size: usize) -> CappedCollection<T> {
[INFO] [stdout] test tests::test_recycle ... ok
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stdout] test tests::test_rc_clone ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::test_size_cap ... ok
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:564:28
[INFO] [stderr]     |
[INFO] [stderr] 564 |   pub supplier: Option<Box<Supply<Output=T>>>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:621:57
[INFO] [stderr]     |
[INFO] [stderr] 621 |       builder.supplier = Some(Box::new(supplier) as Box<Supply<Output=T>>);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:276:55
[INFO] [stderr]     |
[INFO] [stderr] 276 |     let value = mem::replace(&mut self.value, unsafe {mem::uninitialized()});
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:347:55
[INFO] [stderr]     |
[INFO] [stderr] 347 |     let value = mem::replace(&mut self.value, unsafe {mem::uninitialized()});
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:348:53
[INFO] [stderr]     |
[INFO] [stderr] 348 |     let pool = mem::replace(&mut self.pool, unsafe {mem::uninitialized()});
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/lib.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_from`
[INFO] [stderr]    --> src/lib.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/lib.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_from`
[INFO] [stderr]    --> src/lib.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lifeguard-ad1f156fb77bce7e
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-ec051d568eb961d7
[INFO] [stdout] test tests::test_builder ... ok
[INFO] [stdout] test tests::test_recycle_rc ... ok
[INFO] [stdout] test tests::test_new_from_iter ... ok
[INFO] [stdout] test tests::test_deref_mut ... ok
[INFO] [stdout] test tests::test_deref_mut_rc ... ok
[INFO] [stdout] test tests::test_as_mut ... ok
[INFO] [stdout] test tests::test_deref_rc ... ok
[INFO] [stdout] test tests::test_detach_rc ... FAILED
[INFO] [stdout] test tests::test_attach ... FAILED
[INFO] [stdout] test tests::test_detach ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--test lib'
[INFO] [stdout] test tests::test_attach_rc ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_detach_rc stdout ----
[INFO] [stdout] thread 'tests::test_detach_rc' panicked at 'attempted to leave type `std::rc::Rc<std::cell::RefCell<lifeguard::CappedCollection<std::string::String>>>` uninitialized, which is invalid', /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/mem/mod.rs:666:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ed3ed5b880 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55ed3ed5b880 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55ed3ed5b880 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55ed3ed5b880 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55ed3ed7e73c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x55ed3ed04a05 - std::io::Write::write_fmt::h50a71e2460ce07da
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x55ed3ed565f1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h9bbd3fed8160d0d2
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/impls.rs:176
[INFO] [stdout]    7:     0x55ed3ed5dd00 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x55ed3ed5dd00 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x55ed3ed5dd00 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]   10:     0x55ed3ed5d9f6 - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:216
[INFO] [stdout]   11:     0x55ed3ed5e363 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   12:     0x55ed3ed5df39 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   13:     0x55ed3ed5bd0c - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x55ed3ed5def9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   15:     0x55ed3ed7cff1 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stdout]   16:     0x55ed3ed7cf3d - core::panicking::panic::h4b079e3c35cc1b09
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:50
[INFO] [stdout]   17:     0x55ed3ecfcdc1 - core::mem::uninitialized::h35aad0e6ecb93019
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/mem/mod.rs:666
[INFO] [stdout]   18:     0x55ed3ecfcdc1 - lifeguard::RecycledInner<P,T>::detach::h8f7fc74ad9cba470
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:348
[INFO] [stdout]   19:     0x55ed3ecfc0f8 - lifeguard::RcRecycled<T>::detach::h8bcf8f7d6d2abe6a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:181
[INFO] [stdout]   20:     0x55ed3ecf0d3f - lib::tests::test_detach_rc::h2ac67c5cf7a52329
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:143
[INFO] [stdout]   21:     0x55ed3ecf0aba - lib::tests::test_detach_rc::{{closure}}::hc47f9a31f326dc60
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:139
[INFO] [stdout]   22:     0x55ed3ecf83be - core::ops::function::FnOnce::call_once::hb5c34bcb59839c00
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   23:     0x55ed3ed2d2e3 - core::ops::function::FnOnce::call_once::hd04d57b5cf16f85a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   24:     0x55ed3ed2d2e3 - test::__rust_begin_short_backtrace::hd8e9a8c5a2e43388
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:517
[INFO] [stdout]   25:     0x55ed3ed2b7b3 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3c3db8a500c1a19a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   26:     0x55ed3ed2b7b3 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h043e9ebcbe360c80
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   27:     0x55ed3ed2b7b3 - std::panicking::try::do_call::h47c2fb275506c2e8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   28:     0x55ed3ed2b7b3 - std::panicking::try::h569c20f0e99453b4
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   29:     0x55ed3ed2b7b3 - std::panic::catch_unwind::hb33c6d0f01540d23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   30:     0x55ed3ed2b7b3 - test::run_test_in_process::hc0ce562d167e51cf
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:544
[INFO] [stdout]   31:     0x55ed3ed2b7b3 - test::run_test::run_test_inner::{{closure}}::hd3120982fcd71544
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:450
[INFO] [stdout]   32:     0x55ed3ed03e36 - std::sys_common::backtrace::__rust_begin_short_backtrace::h84f8bc12cc4cdac6
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   33:     0x55ed3ed09065 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb8b5fa0ba425d4db
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stdout]   34:     0x55ed3ed09065 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc4b84b244cf55f75
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   35:     0x55ed3ed09065 - std::panicking::try::do_call::ha31922ad8fa17753
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   36:     0x55ed3ed09065 - std::panicking::try::h38a6da203722ae6e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   37:     0x55ed3ed09065 - std::panic::catch_unwind::h83afce167c9062b9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   38:     0x55ed3ed09065 - std::thread::Builder::spawn_unchecked::{{closure}}::h160689155590a70c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stdout]   39:     0x55ed3ed09065 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7dbf17a455132a46
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   40:     0x55ed3ed64b1a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   41:     0x55ed3ed64b1a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   42:     0x55ed3ed64b1a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   43:     0x7f03baf0f609 - start_thread
[INFO] [stdout]   44:     0x7f03bae1b103 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_attach stdout ----
[INFO] [stdout] thread 'tests::test_attach' panicked at 'attempted to leave type `&std::cell::RefCell<lifeguard::CappedCollection<std::string::String>>` uninitialized, which is invalid', /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/mem/mod.rs:666:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ed3ed5b880 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55ed3ed5b880 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55ed3ed5b880 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55ed3ed5b880 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55ed3ed7e73c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x55ed3ed04a05 - std::io::Write::write_fmt::h50a71e2460ce07da
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x55ed3ed565f1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h9bbd3fed8160d0d2
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/impls.rs:176
[INFO] [stdout]    7:     0x55ed3ed5dd00 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x55ed3ed5dd00 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x55ed3ed5dd00 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]   10:     0x55ed3ed5d9f6 - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:216
[INFO] [stdout]   11:     0x55ed3ed5e363 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   12:     0x55ed3ed5df39 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   13:     0x55ed3ed5bd0c - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x55ed3ed5def9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   15:     0x55ed3ed7cff1 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stdout]   16:     0x55ed3ed7cf3d - core::panicking::panic::h4b079e3c35cc1b09
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:50
[INFO] [stdout]   17:     0x55ed3ecfcb91 - core::mem::uninitialized::h31d426ee587082ba
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/mem/mod.rs:666
[INFO] [stdout]   18:     0x55ed3ecfcb91 - lifeguard::RecycledInner<P,T>::detach::h4d947544df798208
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:348
[INFO] [stdout]   19:     0x55ed3ecfc0a8 - lifeguard::Recycled<T>::detach::h93c1a223dddc3387
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:181
[INFO] [stdout]   20:     0x55ed3ecf13e7 - lib::tests::test_attach::hf0c4896dd0640fc6
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:154
[INFO] [stdout]   21:     0x55ed3ecf115a - lib::tests::test_attach::{{closure}}::hbb2c7a10dd071a2c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:150
[INFO] [stdout]   22:     0x55ed3ecf844e - core::ops::function::FnOnce::call_once::hbc3b44e07c0c2634
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   23:     0x55ed3ed2d2e3 - core::ops::function::FnOnce::call_once::hd04d57b5cf16f85a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   24:     0x55ed3ed2d2e3 - test::__rust_begin_short_backtrace::hd8e9a8c5a2e43388
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:517
[INFO] [stdout]   25:     0x55ed3ed2b7b3 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3c3db8a500c1a19a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   26:     0x55ed3ed2b7b3 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h043e9ebcbe360c80
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   27:     0x55ed3ed2b7b3 - std::panicking::try::do_call::h47c2fb275506c2e8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   28:     0x55ed3ed2b7b3 - std::panicking::try::h569c20f0e99453b4
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   29:     0x55ed3ed2b7b3 - std::panic::catch_unwind::hb33c6d0f01540d23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   30:     0x55ed3ed2b7b3 - test::run_test_in_process::hc0ce562d167e51cf
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:544
[INFO] [stdout]   31:     0x55ed3ed2b7b3 - test::run_test::run_test_inner::{{closure}}::hd3120982fcd71544
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:450
[INFO] [stdout]   32:     0x55ed3ed03e36 - std::sys_common::backtrace::__rust_begin_short_backtrace::h84f8bc12cc4cdac6
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   33:     0x55ed3ed09065 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb8b5fa0ba425d4db
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stdout]   34:     0x55ed3ed09065 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc4b84b244cf55f75
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   35:     0x55ed3ed09065 - std::panicking::try::do_call::ha31922ad8fa17753
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   36:     0x55ed3ed09065 - std::panicking::try::h38a6da203722ae6e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   37:     0x55ed3ed09065 - std::panic::catch_unwind::h83afce167c9062b9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   38:     0x55ed3ed09065 - std::thread::Builder::spawn_unchecked::{{closure}}::h160689155590a70c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stdout]   39:     0x55ed3ed09065 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7dbf17a455132a46
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   40:     0x55ed3ed64b1a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   41:     0x55ed3ed64b1a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   42:     0x55ed3ed64b1a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   43:     0x7f03baf0f609 - start_thread
[INFO] [stdout]   44:     0x7f03bae1b103 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_detach stdout ----
[INFO] [stdout] thread 'tests::test_detach' panicked at 'attempted to leave type `&std::cell::RefCell<lifeguard::CappedCollection<std::string::String>>` uninitialized, which is invalid', /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/mem/mod.rs:666:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ed3ed5b880 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55ed3ed5b880 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55ed3ed5b880 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55ed3ed5b880 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55ed3ed7e73c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x55ed3ed04a05 - std::io::Write::write_fmt::h50a71e2460ce07da
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x55ed3ed565f1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h9bbd3fed8160d0d2
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/impls.rs:176
[INFO] [stdout]    7:     0x55ed3ed5dd00 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x55ed3ed5dd00 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x55ed3ed5dd00 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]   10:     0x55ed3ed5d9f6 - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:216
[INFO] [stdout]   11:     0x55ed3ed5e363 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   12:     0x55ed3ed5df39 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   13:     0x55ed3ed5bd0c - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x55ed3ed5def9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   15:     0x55ed3ed7cff1 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stdout]   16:     0x55ed3ed7cf3d - core::panicking::panic::h4b079e3c35cc1b09
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:50
[INFO] [stdout]   17:     0x55ed3ecfcb91 - core::mem::uninitialized::h31d426ee587082ba
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/mem/mod.rs:666
[INFO] [stdout]   18:     0x55ed3ecfcb91 - lifeguard::RecycledInner<P,T>::detach::h4d947544df798208
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:348
[INFO] [stdout]   19:     0x55ed3ecfc0a8 - lifeguard::Recycled<T>::detach::h93c1a223dddc3387
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:181
[INFO] [stdout]   20:     0x55ed3ecf069f - lib::tests::test_detach::hb25fb11646e8f979
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:132
[INFO] [stdout]   21:     0x55ed3ecf041a - lib::tests::test_detach::{{closure}}::h4918eff1afd4eb3c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:128
[INFO] [stdout]   22:     0x55ed3ecf847e - core::ops::function::FnOnce::call_once::hcf27566f0d098425
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   23:     0x55ed3ed2d2e3 - core::ops::function::FnOnce::call_once::hd04d57b5cf16f85a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   24:     0x55ed3ed2d2e3 - test::__rust_begin_short_backtrace::hd8e9a8c5a2e43388
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:517
[INFO] [stdout]   25:     0x55ed3ed2b7b3 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3c3db8a500c1a19a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   26:     0x55ed3ed2b7b3 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h043e9ebcbe360c80
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   27:     0x55ed3ed2b7b3 - std::panicking::try::do_call::h47c2fb275506c2e8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   28:     0x55ed3ed2b7b3 - std::panicking::try::h569c20f0e99453b4
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   29:     0x55ed3ed2b7b3 - std::panic::catch_unwind::hb33c6d0f01540d23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   30:     0x55ed3ed2b7b3 - test::run_test_in_process::hc0ce562d167e51cf
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:544
[INFO] [stdout]   31:     0x55ed3ed2b7b3 - test::run_test::run_test_inner::{{closure}}::hd3120982fcd71544
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:450
[INFO] [stdout]   32:     0x55ed3ed03e36 - std::sys_common::backtrace::__rust_begin_short_backtrace::h84f8bc12cc4cdac6
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   33:     0x55ed3ed09065 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb8b5fa0ba425d4db
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stdout]   34:     0x55ed3ed09065 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc4b84b244cf55f75
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   35:     0x55ed3ed09065 - std::panicking::try::do_call::ha31922ad8fa17753
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   36:     0x55ed3ed09065 - std::panicking::try::h38a6da203722ae6e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   37:     0x55ed3ed09065 - std::panic::catch_unwind::h83afce167c9062b9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   38:     0x55ed3ed09065 - std::thread::Builder::spawn_unchecked::{{closure}}::h160689155590a70c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stdout]   39:     0x55ed3ed09065 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7dbf17a455132a46
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   40:     0x55ed3ed64b1a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   41:     0x55ed3ed64b1a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   42:     0x55ed3ed64b1a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   43:     0x7f03baf0f609 - start_thread
[INFO] [stdout]   44:     0x7f03bae1b103 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_attach_rc stdout ----
[INFO] [stdout] thread 'tests::test_attach_rc' panicked at 'attempted to leave type `std::rc::Rc<std::cell::RefCell<lifeguard::CappedCollection<std::string::String>>>` uninitialized, which is invalid', /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/mem/mod.rs:666:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55ed3ed5b880 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55ed3ed5b880 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55ed3ed5b880 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55ed3ed5b880 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55ed3ed7e73c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x55ed3ed04a05 - std::io::Write::write_fmt::h50a71e2460ce07da
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x55ed3ed565f1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h9bbd3fed8160d0d2
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/impls.rs:176
[INFO] [stdout]    7:     0x55ed3ed5dd00 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x55ed3ed5dd00 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x55ed3ed5dd00 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]   10:     0x55ed3ed5d9f6 - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:216
[INFO] [stdout]   11:     0x55ed3ed5e363 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   12:     0x55ed3ed5df39 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   13:     0x55ed3ed5bd0c - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x55ed3ed5def9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   15:     0x55ed3ed7cff1 - core::panicking::panic_fmt::h4e2659771ebc78eb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
[INFO] [stdout]   16:     0x55ed3ed7cf3d - core::panicking::panic::h4b079e3c35cc1b09
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:50
[INFO] [stdout]   17:     0x55ed3ecfcdc1 - core::mem::uninitialized::h35aad0e6ecb93019
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/mem/mod.rs:666
[INFO] [stdout]   18:     0x55ed3ecfcdc1 - lifeguard::RecycledInner<P,T>::detach::h8f7fc74ad9cba470
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:348
[INFO] [stdout]   19:     0x55ed3ecfc0f8 - lifeguard::RcRecycled<T>::detach::h8bcf8f7d6d2abe6a
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:181
[INFO] [stdout]   20:     0x55ed3ecf1af7 - lib::tests::test_attach_rc::h412ee6e6c1ee5892
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:166
[INFO] [stdout]   21:     0x55ed3ecf186a - lib::tests::test_attach_rc::{{closure}}::h965852cfabf96919
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:162
[INFO] [stdout]   22:     0x55ed3ecf838e - core::ops::function::FnOnce::call_once::hb0a41f29963f4004
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   23:     0x55ed3ed2d2e3 - core::ops::function::FnOnce::call_once::hd04d57b5cf16f85a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   24:     0x55ed3ed2d2e3 - test::__rust_begin_short_backtrace::hd8e9a8c5a2e43388
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:517
[INFO] [stdout]   25:     0x55ed3ed2b7b3 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3c3db8a500c1a19a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   26:     0x55ed3ed2b7b3 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h043e9ebcbe360c80
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   27:     0x55ed3ed2b7b3 - std::panicking::try::do_call::h47c2fb275506c2e8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   28:     0x55ed3ed2b7b3 - std::panicking::try::h569c20f0e99453b4
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   29:     0x55ed3ed2b7b3 - std::panic::catch_unwind::hb33c6d0f01540d23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   30:     0x55ed3ed2b7b3 - test::run_test_in_process::hc0ce562d167e51cf
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:544
[INFO] [stdout]   31:     0x55ed3ed2b7b3 - test::run_test::run_test_inner::{{closure}}::hd3120982fcd71544
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:450
[INFO] [stdout]   32:     0x55ed3ed03e36 - std::sys_common::backtrace::__rust_begin_short_backtrace::h84f8bc12cc4cdac6
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   33:     0x55ed3ed09065 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb8b5fa0ba425d4db
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stdout]   34:     0x55ed3ed09065 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc4b84b244cf55f75
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   35:     0x55ed3ed09065 - std::panicking::try::do_call::ha31922ad8fa17753
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   36:     0x55ed3ed09065 - std::panicking::try::h38a6da203722ae6e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   37:     0x55ed3ed09065 - std::panic::catch_unwind::h83afce167c9062b9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   38:     0x55ed3ed09065 - std::thread::Builder::spawn_unchecked::{{closure}}::h160689155590a70c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stdout]   39:     0x55ed3ed09065 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7dbf17a455132a46
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   40:     0x55ed3ed64b1a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   41:     0x55ed3ed64b1a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   42:     0x55ed3ed64b1a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   43:     0x7f03baf0f609 - start_thread
[INFO] [stdout]   44:     0x7f03bae1b103 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_attach
[INFO] [stdout]     tests::test_attach_rc
[INFO] [stdout]     tests::test_detach
[INFO] [stdout]     tests::test_detach_rc
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 15 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6d6f8423ef1a5ab8148030715ca2002bcf2b5d0eed400b47a6d09b61ecce9464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d6f8423ef1a5ab8148030715ca2002bcf2b5d0eed400b47a6d09b61ecce9464", kill_on_drop: false }`
[INFO] [stdout] 6d6f8423ef1a5ab8148030715ca2002bcf2b5d0eed400b47a6d09b61ecce9464
