[INFO] fetching crate tokio-sync 0.1.8... [INFO] checking tokio-sync-0.1.8 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate tokio-sync 0.1.8 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate tokio-sync 0.1.8 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 61 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.7.1) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (latest: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (latest: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.20) [INFO] [stderr] Adding env_logger v0.6.2 (latest: v0.11.5) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.12) [INFO] [stderr] Adding loom v0.1.1 (latest: v0.7.2) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [INFO] [stderr] Adding mio v0.6.23 (latest: v1.0.2) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding parking_lot v0.9.0 (latest: v0.12.3) [INFO] [stderr] Adding parking_lot_core v0.6.3 (latest: v0.9.10) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.3) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.1) [INFO] [stderr] Adding scoped-tls v0.1.2 (latest: v1.0.1) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.23) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding tokio v0.1.22 (latest: v1.40.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-mock-task v0.1.1 [INFO] [stderr] Downloaded loom v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28b8eccb670cd3b56769b3ba0c2486dc9324d02c26fa6f2920d9666f6ff7bb37 [INFO] running `Command { std: "docker" "start" "-a" "28b8eccb670cd3b56769b3ba0c2486dc9324d02c26fa6f2920d9666f6ff7bb37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28b8eccb670cd3b56769b3ba0c2486dc9324d02c26fa6f2920d9666f6ff7bb37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28b8eccb670cd3b56769b3ba0c2486dc9324d02c26fa6f2920d9666f6ff7bb37", kill_on_drop: false }` [INFO] [stdout] 28b8eccb670cd3b56769b3ba0c2486dc9324d02c26fa6f2920d9666f6ff7bb37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57c25449ba16284e523c2c3350193665442db00fc01cee830c65e4f0e10c9bdd [INFO] running `Command { std: "docker" "start" "-a" "57c25449ba16284e523c2c3350193665442db00fc01cee830c65e4f0e10c9bdd", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking futures v0.1.31 [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 memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking loom v0.1.1 [INFO] [stderr] Checking tokio-mock-task v0.1.1 [INFO] [stderr] Checking tokio-sync v0.1.8 (/opt/rustwide/workdir) [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [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::::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::::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::::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] [stderr] Checking tokio-codec v0.1.2 [INFO] [stdout] warning: field `inner` is never read [INFO] [stdout] --> src/watch.rs:118:20 [INFO] [stdout] | [INFO] [stdout] 117 | pub struct SendError { [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` 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` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: integers must be initialized [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stdout] warning: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [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: 2 warnings emitted [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: use of deprecated method `std::sync::atomic::AtomicPtr::::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::::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::::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/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: 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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 { [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` 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` 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: 23 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.55s [INFO] running `Command { std: "docker" "inspect" "57c25449ba16284e523c2c3350193665442db00fc01cee830c65e4f0e10c9bdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57c25449ba16284e523c2c3350193665442db00fc01cee830c65e4f0e10c9bdd", kill_on_drop: false }` [INFO] [stdout] 57c25449ba16284e523c2c3350193665442db00fc01cee830c65e4f0e10c9bdd