[INFO] fetching crate roundabout 0.2.0...
[INFO] checking roundabout-0.2.0 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate roundabout 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate roundabout 0.2.0
[INFO] finished tweaking crates.io crate roundabout 0.2.0
[INFO] tweaked toml for crates.io crate roundabout 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate roundabout 0.2.0 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate roundabout 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | homepage = "https://github.com/tmzint/roundabout/"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 | repository = "https://github.com/tmzint/roundabout/"
[INFO] [stderr]    |              ---------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `roundabout` (manifest) generated 2 warnings
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.1.9
[INFO] [stderr]   Downloaded redox_syscall v0.2.9
[INFO] [stderr]   Downloaded indexmap v1.6.2
[INFO] [stderr]   Downloaded hashbrown v0.9.1
[INFO] [stderr]   Downloaded core_affinity v0.5.10
[INFO] [stderr]   Downloaded ahash v0.7.4
[INFO] [stderr]   Downloaded once_cell v1.8.0
[INFO] [stderr]   Downloaded anyhow v1.0.42
[INFO] [stderr]   Downloaded libc v0.2.97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 588875bd6dcb4195c01ba42da521274a84ad8ab28c86799da1594fd375f77ed4
[INFO] running `Command { std: "docker" "start" "588875bd6dcb4195c01ba42da521274a84ad8ab28c86799da1594fd375f77ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588875bd6dcb4195c01ba42da521274a84ad8ab28c86799da1594fd375f77ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "588875bd6dcb4195c01ba42da521274a84ad8ab28c86799da1594fd375f77ed4" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588875bd6dcb4195c01ba42da521274a84ad8ab28c86799da1594fd375f77ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "588875bd6dcb4195c01ba42da521274a84ad8ab28c86799da1594fd375f77ed4" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | homepage = "https://github.com/tmzint/roundabout/"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 | repository = "https://github.com/tmzint/roundabout/"
[INFO] [stderr]    |              ---------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `roundabout` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking roundabout v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stdout] warning: type alias `HashSet` is never used
[INFO] [stdout]  --> src/util.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type HashSet<T> = std::collections::HashSet<T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IndexMap` is never used
[INFO] [stdout]  --> src/util.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type IndexMap<K, T> = indexmap::map::IndexMap<K, T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_fn` is never used
[INFO] [stdout]   --> src/util/triple.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T: Send> TripleBuffered<T> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new_fn<F: Fn() -> T>(factory: F) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_default` is never used
[INFO] [stdout]   --> src/util/triple.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<T: Send + Default> TripleBuffered<T> {
[INFO] [stdout]    | ----------------------------------------- associated function in this implementation
[INFO] [stdout] 48 |     #[inline]
[INFO] [stdout] 49 |     pub fn new_default() -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_clone` is never used
[INFO] [stdout]   --> src/util/triple.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<T: Send + Clone> TripleBuffered<T> {
[INFO] [stdout]    | --------------------------------------- associated function in this implementation
[INFO] [stdout] 55 |     #[inline]
[INFO] [stdout] 56 |     pub fn new_clone(initial: T) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/message/bus.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn recv(&mut self) -> MessageBusView {
[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] 178 |     pub fn recv(&mut self) -> MessageBusView<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/message/bus.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn try_recv(&mut self) -> Option<MessageBusView> {
[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] 198 |     pub fn try_recv(&mut self) -> Option<MessageBusView<'_>> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/message/bus.rs:213:30
[INFO] [stdout]     |
[INFO] [stdout] 213 |     unsafe fn recv_unchecked(&mut self) -> MessageBusView {
[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] 213 |     unsafe fn recv_unchecked(&mut self) -> MessageBusView<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/message/vec.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn iter(&self) -> MessageVecIter {
[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] 49 |     pub fn iter(&self) -> MessageVecIter<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/schedule.rs:321:17
[INFO] [stdout]     |
[INFO] [stdout] 321 |     pub fn recv(&mut self) -> anyhow::Result<MessageBusView> {
[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] 321 |     pub fn recv(&mut self) -> anyhow::Result<MessageBusView<'_>> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/schedule.rs:333:21
[INFO] [stdout]     |
[INFO] [stdout] 333 |     pub fn try_recv(&mut self) -> anyhow::Result<Option<MessageBusView>> {
[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] 333 |     pub fn try_recv(&mut self) -> anyhow::Result<Option<MessageBusView<'_>>> {
[INFO] [stdout]     |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/triple.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn advance(&self) -> MutexGuard<RawMutex, 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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn advance(&self) -> MutexGuard<'_, RawMutex, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/triple.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn write(&self) -> MutexGuard<RawMutex, 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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn write(&self) -> MutexGuard<'_, RawMutex, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/ping_pong_sequential.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PingEvent(u64);
[INFO] [stdout]   |            --------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `PingEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/ping_pong_sequential.rs:7:22
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PongEvent(u64);
[INFO] [stdout]   |            --------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `PongEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> benches/message_bus_bench.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Ping(u64);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> benches/message_bus_bench.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Stop(bool);
[INFO] [stdout]   |        ---- ^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `HashSet` is never used
[INFO] [stdout]  --> src/util.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type HashSet<T> = std::collections::HashSet<T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `IndexMap` is never used
[INFO] [stdout]  --> src/util.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type IndexMap<K, T> = indexmap::map::IndexMap<K, T, ahash::RandomState>;
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_fn` is never used
[INFO] [stdout]   --> src/util/triple.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<T: Send> TripleBuffered<T> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn new_fn<F: Fn() -> T>(factory: F) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_default` is never used
[INFO] [stdout]   --> src/util/triple.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<T: Send + Default> TripleBuffered<T> {
[INFO] [stdout]    | ----------------------------------------- associated function in this implementation
[INFO] [stdout] 48 |     #[inline]
[INFO] [stdout] 49 |     pub fn new_default() -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_clone` is never used
[INFO] [stdout]   --> src/util/triple.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<T: Send + Clone> TripleBuffered<T> {
[INFO] [stdout]    | --------------------------------------- associated function in this implementation
[INFO] [stdout] 55 |     #[inline]
[INFO] [stdout] 56 |     pub fn new_clone(initial: T) -> (TripleBufferedHead<T>, TripleBufferedTail<T>) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/message/bus.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |     pub fn recv(&mut self) -> MessageBusView {
[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] 178 |     pub fn recv(&mut self) -> MessageBusView<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/message/bus.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn try_recv(&mut self) -> Option<MessageBusView> {
[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] 198 |     pub fn try_recv(&mut self) -> Option<MessageBusView<'_>> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/message/bus.rs:213:30
[INFO] [stdout]     |
[INFO] [stdout] 213 |     unsafe fn recv_unchecked(&mut self) -> MessageBusView {
[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] 213 |     unsafe fn recv_unchecked(&mut self) -> MessageBusView<'_> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/message/vec.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn iter(&self) -> MessageVecIter {
[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] 49 |     pub fn iter(&self) -> MessageVecIter<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/schedule.rs:321:17
[INFO] [stdout]     |
[INFO] [stdout] 321 |     pub fn recv(&mut self) -> anyhow::Result<MessageBusView> {
[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] 321 |     pub fn recv(&mut self) -> anyhow::Result<MessageBusView<'_>> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/schedule.rs:333:21
[INFO] [stdout]     |
[INFO] [stdout] 333 |     pub fn try_recv(&mut self) -> anyhow::Result<Option<MessageBusView>> {
[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] 333 |     pub fn try_recv(&mut self) -> anyhow::Result<Option<MessageBusView<'_>>> {
[INFO] [stdout]     |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/triple.rs:67:20
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn advance(&self) -> MutexGuard<RawMutex, 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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn advance(&self) -> MutexGuard<'_, RawMutex, T> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/util/triple.rs:79:18
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn write(&self) -> MutexGuard<RawMutex, 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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn write(&self) -> MutexGuard<'_, RawMutex, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.87s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6`
[INFO] running `Command { std: "docker" "inspect" "588875bd6dcb4195c01ba42da521274a84ad8ab28c86799da1594fd375f77ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588875bd6dcb4195c01ba42da521274a84ad8ab28c86799da1594fd375f77ed4", kill_on_drop: false }`
[INFO] [stdout] 588875bd6dcb4195c01ba42da521274a84ad8ab28c86799da1594fd375f77ed4
