[INFO] fetching crate firefly 0.0.1-beta...
[INFO] checking firefly-0.0.1-beta against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate firefly 0.0.1-beta into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate firefly 0.0.1-beta
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate firefly 0.0.1-beta
[INFO] tweaked toml for crates.io crate firefly 0.0.1-beta written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate firefly 0.0.1-beta on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 126 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.7.0)
[INFO] [stderr]       Adding flume v0.10.14 (available: v0.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0dec4c95591b153a58ca566c3c2055e38fe348a1ceab1d52cb62e79fe39ef87
[INFO] running `Command { std: "docker" "start" "-a" "e0dec4c95591b153a58ca566c3c2055e38fe348a1ceab1d52cb62e79fe39ef87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0dec4c95591b153a58ca566c3c2055e38fe348a1ceab1d52cb62e79fe39ef87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0dec4c95591b153a58ca566c3c2055e38fe348a1ceab1d52cb62e79fe39ef87", kill_on_drop: false }`
[INFO] [stdout] e0dec4c95591b153a58ca566c3c2055e38fe348a1ceab1d52cb62e79fe39ef87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12316deae15c0e5b5a92a8f475923ad335410d066e041c02941bc7e150bdb00a
[INFO] running `Command { std: "docker" "start" "-a" "12316deae15c0e5b5a92a8f475923ad335410d066e041c02941bc7e150bdb00a", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]    Compiling usync v0.2.1
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling dry v0.1.1
[INFO] [stderr]     Checking firefly v0.0.1-beta (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stdout] warning: unused import: `queue::TaskQueue`
[INFO] [stdout]  --> src/raw/parking/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use queue::TaskQueue;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `task::Task`
[INFO] [stdout]   --> src/raw/parking/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use task::Task;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/channels/mpmc/mod.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         unsafe { blocking::block_on(self.send(value)) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:110:15
[INFO] [stdout]     |
[INFO] [stdout] 110 |         match unsafe { blocking::block_on_timeout(self.send_inner(&mut state), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:180:15
[INFO] [stdout]     |
[INFO] [stdout] 180 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:286:15
[INFO] [stdout]     |
[INFO] [stdout] 286 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/channels/spmc/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         unsafe { blocking::block_on(self.send(value)) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 104 |         match unsafe { blocking::block_on_timeout(self.send_inner(&mut state), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:171:15
[INFO] [stdout]     |
[INFO] [stdout] 171 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:271:15
[INFO] [stdout]     |
[INFO] [stdout] 271 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/raw/intrusive.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let mut tail = self.tail?.as_mut();
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/raw/parking/queue.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |             unsafe { blocking::block_on(self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/channels/mpsc/bounded.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<T> Queue<T> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub unsafe fn is_empty(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load` is never used
[INFO] [stdout]    --> src/channels/mpsc/bounded.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 141 |     impl Counter {
[INFO] [stdout]     |     ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |         pub fn load(&self) -> usize {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_push` is never used
[INFO] [stdout]   --> src/channels/spmc/bounded.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<T> Queue<T> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn can_push(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `addr`, `with_addr`, and `map_addr` are never used
[INFO] [stdout]   --> src/raw/util.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub unsafe trait StrictProvenance: Sized {
[INFO] [stdout]    |                  ---------------- methods in this trait
[INFO] [stdout] 87 |     fn addr(self) -> usize;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 88 |     fn with_addr(self, addr: usize) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 89 |     fn map_addr(self, f: impl FnOnce(usize) -> usize) -> Self;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking pin-project v1.1.10
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking thingbuf v0.1.6
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: unused import: `queue::TaskQueue`
[INFO] [stdout]  --> src/raw/parking/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use queue::TaskQueue;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `task::Task`
[INFO] [stdout]   --> src/raw/parking/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use task::Task;
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/auto_traits.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct SendNotSync(*mut ());
[INFO] [stdout]   |        ----------- ^^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mpsc` is never used
[INFO] [stdout]   --> benches/benches.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn mpsc<C>(g: &mut BenchmarkGroup<'_, WallTime>, load: Option<usize>)
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StdMpscUnbounded` is never constructed
[INFO] [stdout]   --> benches/shared.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl_chan! { StdMpscUnbounded(mpsc::Sender<T>, mpsc::Receiver<T>) => |_cap| mpsc::channel() }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_chan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CrossbeamUnbounded` is never constructed
[INFO] [stdout]   --> benches/shared.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl_chan! { CrossbeamUnbounded(crossbeam::Sender<T>, crossbeam::Receiver<T>) => |_cap| crossbeam::unbounded() }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_chan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlumeUnbounded` is never constructed
[INFO] [stdout]   --> benches/shared.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl_chan! { FlumeUnbounded(flume::Sender<T>, flume::Receiver<T>) => |_cap| flume::unbounded() }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_chan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FireflySpscUnbounded` is never constructed
[INFO] [stdout]   --> benches/shared.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl_chan! { FireflySpscUnbounded(firefly::spsc::UnboundedSender<T>, firefly::spsc::UnboundedReceiver<T>) => |_cap| firefly::spsc::unboun...
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_chan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FireflyMpsc` is never constructed
[INFO] [stdout]   --> benches/shared.rs:49:14
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl_chan! { FireflyMpsc(firefly::mpsc::Sender<T>, firefly::mpsc::Receiver<T>) => |cap| firefly::mpsc::bounded(cap.unwrap()) }
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_chan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FireflyMpscUnbounded` is never constructed
[INFO] [stdout]   --> benches/shared.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl_chan! { FireflyMpscUnbounded(firefly::mpsc::UnboundedSender<T>, firefly::mpsc::UnboundedReceiver<T>) => |_cap| firefly::mpsc::unboun...
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_chan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FireflyMpmc` is never constructed
[INFO] [stdout]   --> benches/shared.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl_chan! { FireflyMpmc(firefly::mpmc::Sender<T>, firefly::mpmc::Receiver<T>) => |cap| firefly::mpmc::bounded(cap.unwrap()) }
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_chan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FireflyMpmcUnbounded` is never constructed
[INFO] [stdout]   --> benches/shared.rs:56:14
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl_chan! { FireflyMpmcUnbounded(firefly::mpmc::UnboundedSender<T>, firefly::mpmc::UnboundedReceiver<T>) => |_cap| firefly::mpmc::unboun...
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_chan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/channels/mpmc/mod.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         unsafe { blocking::block_on(self.send(value)) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:110:15
[INFO] [stdout]     |
[INFO] [stdout] 110 |         match unsafe { blocking::block_on_timeout(self.send_inner(&mut state), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:180:15
[INFO] [stdout]     |
[INFO] [stdout] 180 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:281:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/mpmc/mod.rs:286:15
[INFO] [stdout]     |
[INFO] [stdout] 286 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/channels/spmc/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         unsafe { blocking::block_on(self.send(value)) }
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:104:15
[INFO] [stdout]     |
[INFO] [stdout] 104 |         match unsafe { blocking::block_on_timeout(self.send_inner(&mut state), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:171:15
[INFO] [stdout]     |
[INFO] [stdout] 171 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 266 |         unsafe { blocking::block_on(self.recv()) }
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/channels/spmc/mod.rs:271:15
[INFO] [stdout]     |
[INFO] [stdout] 271 |         match unsafe { blocking::block_on_timeout(self.recv(), timeout) } {
[INFO] [stdout]     |               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/raw/intrusive.rs:89:17
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let mut tail = self.tail?.as_mut();
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/raw/parking/queue.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |             unsafe { blocking::block_on(self) }
[INFO] [stdout]     |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]   --> src/channels/mpsc/bounded.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<T> Queue<T> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub unsafe fn is_empty(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load` is never used
[INFO] [stdout]    --> src/channels/mpsc/bounded.rs:146:16
[INFO] [stdout]     |
[INFO] [stdout] 141 |     impl Counter {
[INFO] [stdout]     |     ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |         pub fn load(&self) -> usize {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `can_push` is never used
[INFO] [stdout]   --> src/channels/spmc/bounded.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<T> Queue<T> {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn can_push(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `addr`, `with_addr`, and `map_addr` are never used
[INFO] [stdout]   --> src/raw/util.rs:87:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub unsafe trait StrictProvenance: Sized {
[INFO] [stdout]    |                  ---------------- methods in this trait
[INFO] [stdout] 87 |     fn addr(self) -> usize;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 88 |     fn with_addr(self, addr: usize) -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 89 |     fn map_addr(self, f: impl FnOnce(usize) -> usize) -> Self;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.23s
[INFO] running `Command { std: "docker" "inspect" "12316deae15c0e5b5a92a8f475923ad335410d066e041c02941bc7e150bdb00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12316deae15c0e5b5a92a8f475923ad335410d066e041c02941bc7e150bdb00a", kill_on_drop: false }`
[INFO] [stdout] 12316deae15c0e5b5a92a8f475923ad335410d066e041c02941bc7e150bdb00a