[INFO] fetching crate tokio-sync 0.1.8...
[INFO] testing tokio-sync-0.1.8 against 1.90.0 for beta-1.91-3
[INFO] extracting crate tokio-sync 0.1.8 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate tokio-sync 0.1.8
[INFO] finished tweaking crates.io crate tokio-sync 0.1.8
[INFO] tweaked toml for crates.io crate tokio-sync 0.1.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-sync 0.1.8 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.6.2 (available: v0.11.8)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
[INFO] [stderr]       Adding loom v0.1.1 (available: v0.7.2)
[INFO] [stderr]       Adding tokio v0.1.22 (available: v1.47.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-sync v0.1.8
[INFO] [stderr]   Downloaded tokio-executor v0.1.10
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded loom v0.1.1
[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
[INFO] [stderr]   Downloaded mio v0.6.23
[INFO] [stderr]   Downloaded tokio-fs v0.1.7
[INFO] [stderr]   Downloaded tokio-tcp v0.1.4
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.18
[INFO] [stderr]   Downloaded net2 v0.2.39
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded smallvec v0.6.14
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded tokio v0.1.22
[INFO] [stderr]   Downloaded memoffset v0.5.6
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] [stderr]   Downloaded tokio-timer v0.2.13
[INFO] [stderr]   Downloaded tokio-udp v0.1.6
[INFO] [stderr]   Downloaded mio-uds v0.6.8
[INFO] [stderr]   Downloaded tokio-codec v0.1.2
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] [stderr]   Downloaded tokio-io v0.1.13
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded tokio-reactor v0.1.12
[INFO] [stderr]   Downloaded tokio-mock-task v0.1.1
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24040651b3ecc959c0df5e03ece0e18c045928a7a4a7bbb12fadf8c2b815df91
[INFO] running `Command { std: "docker" "start" "-a" "24040651b3ecc959c0df5e03ece0e18c045928a7a4a7bbb12fadf8c2b815df91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24040651b3ecc959c0df5e03ece0e18c045928a7a4a7bbb12fadf8c2b815df91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24040651b3ecc959c0df5e03ece0e18c045928a7a4a7bbb12fadf8c2b815df91", kill_on_drop: false }`
[INFO] [stdout] 24040651b3ecc959c0df5e03ece0e18c045928a7a4a7bbb12fadf8c2b815df91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32dbcc3255acd31f291a79f96a9aaaadd36792aeb003b689e63295288c00d3c3
[INFO] running `Command { std: "docker" "start" "-a" "32dbcc3255acd31f291a79f96a9aaaadd36792aeb003b689e63295288c00d3c3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling tokio-sync v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/loom.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ::std::sync::atomic::spin_loop_hint();
[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/mpsc/block.rs:366:29
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let mut vals = 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/oneshot.rs:133:66
[INFO] [stdout]     |
[INFO] [stdout] 133 |         tx_task: CausalCell::new(ManuallyDrop::new(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/oneshot.rs:134:66
[INFO] [stdout]     |
[INFO] [stdout] 134 |         rx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/block.rs:269:14
[INFO] [stdout]     |
[INFO] [stdout] 269 |             .compare_and_swap(ptr::null_mut(), block.as_ptr(), ordering);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/block.rs:311:43
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let next = NonNull::new(self.next.compare_and_swap(
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/bounded.rs:223:32
[INFO] [stdout]     |
[INFO] [stdout] 223 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/bounded.rs:263:32
[INFO] [stdout]     |
[INFO] [stdout] 263 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/bounded.rs:293:32
[INFO] [stdout]     |
[INFO] [stdout] 293 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/list.rs:148:26
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         .compare_and_swap(block_ptr, next_block.as_ptr(), Release);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/unbounded.rs:145:32
[INFO] [stdout]     |
[INFO] [stdout] 145 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/unbounded.rs:167:32
[INFO] [stdout]     |
[INFO] [stdout] 167 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/unbounded.rs:189:32
[INFO] [stdout]     |
[INFO] [stdout] 189 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/oneshot.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 |             write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/oneshot.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |             write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/semaphore.rs:688:32
[INFO] [stdout]     |
[INFO] [stdout] 688 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/semaphore.rs:734:32
[INFO] [stdout]     |
[INFO] [stdout] 734 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/task/atomic_task.rs:179:26
[INFO] [stdout]     |
[INFO] [stdout] 179 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/watch.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |             write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/watch.rs:141:36
[INFO] [stdout]     |
[INFO] [stdout] 141 |             write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]    --> src/watch.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub struct SendError<T> {
[INFO] [stdout]     |                --------- field in this struct
[INFO] [stdout] 118 |         pub(crate) inner: T,
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Task` does not permit being left uninitialized
[INFO] [stdout]    --> src/oneshot.rs:133:61
[INFO] [stdout]     |
[INFO] [stdout] 133 |         tx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                             |
[INFO] [stdout]     |                                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Task` does not permit being left uninitialized
[INFO] [stdout]    --> src/oneshot.rs:134:61
[INFO] [stdout]     |
[INFO] [stdout] 134 |         rx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                             |
[INFO] [stdout]     |                                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/watch.rs:258:20
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn get_ref(&self) -> Ref<T> {
[INFO] [stdout]     |                    ^^^^^     ------ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn get_ref(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/watch.rs:271:21
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn poll_ref(&mut self) -> Poll<Option<Ref<T>>, error::RecvError> {
[INFO] [stdout]     |                     ^^^^^^^^^                 ------ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn poll_ref(&mut self) -> Poll<Option<Ref<'_, T>>, error::RecvError> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "32dbcc3255acd31f291a79f96a9aaaadd36792aeb003b689e63295288c00d3c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32dbcc3255acd31f291a79f96a9aaaadd36792aeb003b689e63295288c00d3c3", kill_on_drop: false }`
[INFO] [stdout] 32dbcc3255acd31f291a79f96a9aaaadd36792aeb003b689e63295288c00d3c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0e66fcfa764094034875107a5a095f3aedf95a19656c49bb6a8b98fa814d527
[INFO] running `Command { std: "docker" "start" "-a" "b0e66fcfa764094034875107a5a095f3aedf95a19656c49bb6a8b98fa814d527", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling loom v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling tokio-mock-task v0.1.1
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/loom.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ::std::sync::atomic::spin_loop_hint();
[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/mpsc/block.rs:366:29
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let mut vals = 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/oneshot.rs:133:66
[INFO] [stdout]     |
[INFO] [stdout] 133 |         tx_task: CausalCell::new(ManuallyDrop::new(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/oneshot.rs:134:66
[INFO] [stdout]     |
[INFO] [stdout] 134 |         rx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/block.rs:269:14
[INFO] [stdout]     |
[INFO] [stdout] 269 |             .compare_and_swap(ptr::null_mut(), block.as_ptr(), ordering);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/block.rs:311:43
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let next = NonNull::new(self.next.compare_and_swap(
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/bounded.rs:223:32
[INFO] [stdout]     |
[INFO] [stdout] 223 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/bounded.rs:263:32
[INFO] [stdout]     |
[INFO] [stdout] 263 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/bounded.rs:293:32
[INFO] [stdout]     |
[INFO] [stdout] 293 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/list.rs:148:26
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         .compare_and_swap(block_ptr, next_block.as_ptr(), Release);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/unbounded.rs:145:32
[INFO] [stdout]     |
[INFO] [stdout] 145 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/unbounded.rs:167:32
[INFO] [stdout]     |
[INFO] [stdout] 167 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/unbounded.rs:189:32
[INFO] [stdout]     |
[INFO] [stdout] 189 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/oneshot.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 |             write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/oneshot.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |             write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/semaphore.rs:688:32
[INFO] [stdout]     |
[INFO] [stdout] 688 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/semaphore.rs:734:32
[INFO] [stdout]     |
[INFO] [stdout] 734 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/task/atomic_task.rs:179:26
[INFO] [stdout]     |
[INFO] [stdout] 179 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/watch.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |             write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/watch.rs:141:36
[INFO] [stdout]     |
[INFO] [stdout] 141 |             write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]    --> src/watch.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub struct SendError<T> {
[INFO] [stdout]     |                --------- field in this struct
[INFO] [stdout] 118 |         pub(crate) inner: T,
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Task` does not permit being left uninitialized
[INFO] [stdout]    --> src/oneshot.rs:133:61
[INFO] [stdout]     |
[INFO] [stdout] 133 |         tx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                             |
[INFO] [stdout]     |                                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Task` does not permit being left uninitialized
[INFO] [stdout]    --> src/oneshot.rs:134:61
[INFO] [stdout]     |
[INFO] [stdout] 134 |         rx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                             |
[INFO] [stdout]     |                                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/watch.rs:258:20
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn get_ref(&self) -> Ref<T> {
[INFO] [stdout]     |                    ^^^^^     ------ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn get_ref(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/watch.rs:271:21
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn poll_ref(&mut self) -> Poll<Option<Ref<T>>, error::RecvError> {
[INFO] [stdout]     |                     ^^^^^^^^^                 ------ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn poll_ref(&mut self) -> Poll<Option<Ref<'_, T>>, error::RecvError> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-sync v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `AssertSend` is never used
[INFO] [stdout]   --> tests/mpsc.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait AssertSend: Send {}
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/loom.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ::std::sync::atomic::spin_loop_hint();
[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/mpsc/block.rs:366:29
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let mut vals = 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/oneshot.rs:133:66
[INFO] [stdout]     |
[INFO] [stdout] 133 |         tx_task: CausalCell::new(ManuallyDrop::new(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/oneshot.rs:134:66
[INFO] [stdout]     |
[INFO] [stdout] 134 |         rx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSend` is never used
[INFO] [stdout]   --> tests/oneshot.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | trait AssertSend: Send {}
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/block.rs:269:14
[INFO] [stdout]     |
[INFO] [stdout] 269 |             .compare_and_swap(ptr::null_mut(), block.as_ptr(), ordering);
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/block.rs:311:43
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let next = NonNull::new(self.next.compare_and_swap(
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/bounded.rs:223:32
[INFO] [stdout]     |
[INFO] [stdout] 223 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/bounded.rs:263:32
[INFO] [stdout]     |
[INFO] [stdout] 263 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/bounded.rs:293:32
[INFO] [stdout]     |
[INFO] [stdout] 293 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/mpsc/list.rs:148:26
[INFO] [stdout]     |
[INFO] [stdout] 148 |                         .compare_and_swap(block_ptr, next_block.as_ptr(), Release);
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/unbounded.rs:145:32
[INFO] [stdout]     |
[INFO] [stdout] 145 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/unbounded.rs:167:32
[INFO] [stdout]     |
[INFO] [stdout] 167 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mpsc/unbounded.rs:189:32
[INFO] [stdout]     |
[INFO] [stdout] 189 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/oneshot.rs:50:36
[INFO] [stdout]    |
[INFO] [stdout] 50 |             write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/oneshot.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |             write!(fmt, "{}", self.description())
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/semaphore.rs:688:32
[INFO] [stdout]     |
[INFO] [stdout] 688 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/semaphore.rs:734:32
[INFO] [stdout]     |
[INFO] [stdout] 734 |         write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/task/atomic_task.rs:179:26
[INFO] [stdout]     |
[INFO] [stdout] 179 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/watch.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |             write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/watch.rs:141:36
[INFO] [stdout]     |
[INFO] [stdout] 141 |             write!(fmt, "{}", self.description())
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSend` is never used
[INFO] [stdout]  --> tests/atomic_task.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | trait AssertSend: Send {}
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSync` is never used
[INFO] [stdout]   --> tests/atomic_task.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | trait AssertSync: Send {}
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]    --> src/watch.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub struct SendError<T> {
[INFO] [stdout]     |                --------- field in this struct
[INFO] [stdout] 118 |         pub(crate) inner: T,
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Task` does not permit being left uninitialized
[INFO] [stdout]    --> src/oneshot.rs:133:61
[INFO] [stdout]     |
[INFO] [stdout] 133 |         tx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                             |
[INFO] [stdout]     |                                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Task` does not permit being left uninitialized
[INFO] [stdout]    --> src/oneshot.rs:134:61
[INFO] [stdout]     |
[INFO] [stdout] 134 |         rx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                             |
[INFO] [stdout]     |                                                             this code causes undefined behavior when executed
[INFO] [stdout]     |                                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/watch.rs:258:20
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn get_ref(&self) -> Ref<T> {
[INFO] [stdout]     |                    ^^^^^     ------ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 258 |     pub fn get_ref(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/watch.rs:271:21
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn poll_ref(&mut self) -> Poll<Option<Ref<T>>, error::RecvError> {
[INFO] [stdout]     |                     ^^^^^^^^^                 ------ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 271 |     pub fn poll_ref(&mut self) -> Poll<Option<Ref<'_, T>>, error::RecvError> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 18.49s
[INFO] running `Command { std: "docker" "inspect" "b0e66fcfa764094034875107a5a095f3aedf95a19656c49bb6a8b98fa814d527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e66fcfa764094034875107a5a095f3aedf95a19656c49bb6a8b98fa814d527", kill_on_drop: false }`
[INFO] [stdout] b0e66fcfa764094034875107a5a095f3aedf95a19656c49bb6a8b98fa814d527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b21ad6cb9dd1c8c58dab99f53496f8fd1e4c2d781e40c14f520a7e989fbbc262
[INFO] running `Command { std: "docker" "start" "-a" "b21ad6cb9dd1c8c58dab99f53496f8fd1e4c2d781e40c14f520a7e989fbbc262", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stderr]   --> src/loom.rs:36:26
[INFO] [stderr]    |
[INFO] [stderr] 36 |     ::std::sync::atomic::spin_loop_hint();
[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/mpsc/block.rs:366:29
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let mut vals = mem::uninitialized();
[INFO] [stderr]     |                             ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/oneshot.rs:133:66
[INFO] [stderr]     |
[INFO] [stderr] 133 |         tx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/oneshot.rs:134:66
[INFO] [stderr]     |
[INFO] [stderr] 134 |         rx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/mpsc/block.rs:269:14
[INFO] [stderr]     |
[INFO] [stderr] 269 |             .compare_and_swap(ptr::null_mut(), block.as_ptr(), ordering);
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/mpsc/block.rs:311:43
[INFO] [stderr]     |
[INFO] [stderr] 311 |         let next = NonNull::new(self.next.compare_and_swap(
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/mpsc/bounded.rs:223:32
[INFO] [stderr]     |
[INFO] [stderr] 223 |         write!(fmt, "{}", self.description())
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/mpsc/bounded.rs:263:32
[INFO] [stderr]     |
[INFO] [stderr] 263 |         write!(fmt, "{}", self.description())
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/mpsc/bounded.rs:293:32
[INFO] [stderr]     |
[INFO] [stderr] 293 |         write!(fmt, "{}", self.description())
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/mpsc/list.rs:148:26
[INFO] [stderr]     |
[INFO] [stderr] 148 |                         .compare_and_swap(block_ptr, next_block.as_ptr(), Release);
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/mpsc/unbounded.rs:145:32
[INFO] [stderr]     |
[INFO] [stderr] 145 |         write!(fmt, "{}", self.description())
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/mpsc/unbounded.rs:167:32
[INFO] [stderr]     |
[INFO] [stderr] 167 |         write!(fmt, "{}", self.description())
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/mpsc/unbounded.rs:189:32
[INFO] [stderr]     |
[INFO] [stderr] 189 |         write!(fmt, "{}", self.description())
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/oneshot.rs:50:36
[INFO] [stderr]    |
[INFO] [stderr] 50 |             write!(fmt, "{}", self.description())
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/oneshot.rs:65:36
[INFO] [stderr]    |
[INFO] [stderr] 65 |             write!(fmt, "{}", self.description())
[INFO] [stderr]    |                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/semaphore.rs:688:32
[INFO] [stderr]     |
[INFO] [stderr] 688 |         write!(fmt, "{}", self.description())
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/semaphore.rs:734:32
[INFO] [stderr]     |
[INFO] [stderr] 734 |         write!(fmt, "{}", self.description())
[INFO] [stderr]     |                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/task/atomic_task.rs:179:26
[INFO] [stderr]     |
[INFO] [stderr] 179 |         match self.state.compare_and_swap(WAITING, REGISTERING, Acquire) {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/watch.rs:126:36
[INFO] [stderr]     |
[INFO] [stderr] 126 |             write!(fmt, "{}", self.description())
[INFO] [stderr]     |                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/watch.rs:141:36
[INFO] [stderr]     |
[INFO] [stderr] 141 |             write!(fmt, "{}", self.description())
[INFO] [stderr]     |                                    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `inner` is never read
[INFO] [stderr]    --> src/watch.rs:118:20
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub struct SendError<T> {
[INFO] [stderr]     |                --------- field in this struct
[INFO] [stderr] 118 |         pub(crate) inner: T,
[INFO] [stderr]     |                    ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `SendError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `Task` does not permit being left uninitialized
[INFO] [stderr]    --> src/oneshot.rs:133:61
[INFO] [stderr]     |
[INFO] [stderr] 133 |         tx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                             |
[INFO] [stderr]     |                                                             this code causes undefined behavior when executed
[INFO] [stderr]     |                                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `Task` does not permit being left uninitialized
[INFO] [stderr]    --> src/oneshot.rs:134:61
[INFO] [stderr]     |
[INFO] [stderr] 134 |         rx_task: CausalCell::new(ManuallyDrop::new(unsafe { mem::uninitialized() })),
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                                                             |
[INFO] [stderr]     |                                                             this code causes undefined behavior when executed
[INFO] [stderr]     |                                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]     |
[INFO] [stderr]     = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/watch.rs:258:20
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub fn get_ref(&self) -> Ref<T> {
[INFO] [stderr]     |                    ^^^^^     ------ the same lifetime is hidden here
[INFO] [stderr]     |                    |
[INFO] [stderr]     |                    the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 258 |     pub fn get_ref(&self) -> Ref<'_, T> {
[INFO] [stderr]     |                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/watch.rs:271:21
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn poll_ref(&mut self) -> Poll<Option<Ref<T>>, error::RecvError> {
[INFO] [stderr]     |                     ^^^^^^^^^                 ------ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 271 |     pub fn poll_ref(&mut self) -> Poll<Option<Ref<'_, T>>, error::RecvError> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio-sync` (lib) generated 25 warnings
[INFO] [stderr] warning: trait `AssertSend` is never used
[INFO] [stderr]   --> tests/oneshot.rs:30:7
[INFO] [stderr]    |
[INFO] [stderr] 30 | trait AssertSend: Send {}
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `AssertSend` is never used
[INFO] [stderr]   --> tests/mpsc.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | trait AssertSend: Send {}
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio-sync` (lib test) generated 25 warnings (25 duplicates)
[INFO] [stderr] warning: `tokio-sync` (test "oneshot") generated 1 warning
[INFO] [stderr] warning: `tokio-sync` (test "mpsc") generated 1 warning
[INFO] [stderr] warning: trait `AssertSend` is never used
[INFO] [stderr]  --> tests/atomic_task.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | trait AssertSend: Send {}
[INFO] [stderr]   |       ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `AssertSync` is never used
[INFO] [stderr]   --> tests/atomic_task.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | trait AssertSync: Send {}
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio-sync` (test "atomic_task") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokio_sync-b45d8b48b6babc2a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lock::bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/atomic_task.rs (/opt/rustwide/target/debug/deps/atomic_task-4f590bf3857a8157)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test register_task ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/errors.rs (/opt/rustwide/target/debug/deps/errors-b7a24c7c7191aaec)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test mpsc_error_bound ... ok
[INFO] [stderr]      Running tests/fuzz_atomic_task.rs (/opt/rustwide/target/debug/deps/fuzz_atomic_task-4d2a6264417362e4)
[INFO] [stdout] test oneshot_error_bound ... ok
[INFO] [stdout] test watch_error_bound ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic_notification ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.38s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fuzz_list.rs (/opt/rustwide/target/debug/deps/fuzz_list-09e81613ffe45764)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test smoke has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b21ad6cb9dd1c8c58dab99f53496f8fd1e4c2d781e40c14f520a7e989fbbc262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21ad6cb9dd1c8c58dab99f53496f8fd1e4c2d781e40c14f520a7e989fbbc262", kill_on_drop: false }`
[INFO] [stdout] b21ad6cb9dd1c8c58dab99f53496f8fd1e4c2d781e40c14f520a7e989fbbc262
