[INFO] fetching crate mini-io-queue 0.2.0...
[INFO] testing mini-io-queue-0.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mini-io-queue 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mini-io-queue 0.2.0
[INFO] finished tweaking crates.io crate mini-io-queue 0.2.0
[INFO] tweaked toml for crates.io crate mini-io-queue 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mini-io-queue 0.2.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array-init v2.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b47f16ece3f8898011225e1aff90ebd1e39fa16109b40cabaeb205554e62368
[INFO] running `Command { std: "docker" "start" "-a" "0b47f16ece3f8898011225e1aff90ebd1e39fa16109b40cabaeb205554e62368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b47f16ece3f8898011225e1aff90ebd1e39fa16109b40cabaeb205554e62368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b47f16ece3f8898011225e1aff90ebd1e39fa16109b40cabaeb205554e62368", kill_on_drop: false }`
[INFO] [stdout] 0b47f16ece3f8898011225e1aff90ebd1e39fa16109b40cabaeb205554e62368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fcd7cf0fb39b196ed374e096581b7c98b6fb73e2b99fde3d7b14f8a8be68e89
[INFO] running `Command { std: "docker" "start" "-a" "7fcd7cf0fb39b196ed374e096581b7c98b6fb73e2b99fde3d7b14f8a8be68e89", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling mini-io-queue v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::io_impls::*`
[INFO] [stdout]    --> src/nonblocking.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 | pub use self::io_impls::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/region.rs:182:19
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn as_ref(&self) -> Region<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] 182 |     pub fn as_ref(&self) -> Region<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/region.rs:238:21
[INFO] [stdout]     |
[INFO] [stdout] 238 |     pub fn slice<R>(&self, range: R) -> Region<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] 238 |     pub fn slice<R>(&self, range: R) -> Region<'_, T>
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/region.rs:249:25
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn slice_mut<R>(&mut self, range: R) -> RegionMut<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] 249 |     pub fn slice_mut<R>(&mut self, range: R) -> RegionMut<'_, T>
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ring.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display {
[INFO] [stdout]    |                    ^^^^^ the lifetime is elided here                          ^^^^^^^ the same lifetime is hidden 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] 62 |     pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display<'_> {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nonblocking.rs:267:19
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn buf<T>(&self) -> Region<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] 267 |     pub fn buf<T>(&self) -> Region<'_, T>
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nonblocking.rs:394:19
[INFO] [stdout]     |
[INFO] [stdout] 394 |     pub fn buf<T>(&mut self) -> RegionMut<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] 394 |     pub fn buf<T>(&mut self) -> RegionMut<'_, T>
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blocking.rs:283:24
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn fill_buf<T>(&mut self) -> Region<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] 283 |     pub fn fill_buf<T>(&mut self) -> Region<'_, T>
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blocking.rs:405:15
[INFO] [stdout]     |
[INFO] [stdout] 405 |     fn buf<T>(&self) -> Region<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] 405 |     fn buf<T>(&self) -> Region<'_, T>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blocking.rs:506:15
[INFO] [stdout]     |
[INFO] [stdout] 506 |     fn buf<T>(&mut self) -> RegionMut<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] 506 |     fn buf<T>(&mut self) -> RegionMut<'_, T>
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blocking.rs:539:25
[INFO] [stdout]     |
[INFO] [stdout] 539 |     pub fn empty_buf<T>(&mut self) -> RegionMut<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] 539 |     pub fn empty_buf<T>(&mut self) -> RegionMut<'_, T>
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "7fcd7cf0fb39b196ed374e096581b7c98b6fb73e2b99fde3d7b14f8a8be68e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcd7cf0fb39b196ed374e096581b7c98b6fb73e2b99fde3d7b14f8a8be68e89", kill_on_drop: false }`
[INFO] [stdout] 7fcd7cf0fb39b196ed374e096581b7c98b6fb73e2b99fde3d7b14f8a8be68e89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23ea8679c210a4582f998bbcbf1ed53a1a8999e9491568af244d6555d864c3c9
[INFO] running `Command { std: "docker" "start" "-a" "23ea8679c210a4582f998bbcbf1ed53a1a8999e9491568af244d6555d864c3c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling mini-io-queue v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self::io_impls::*`
[INFO] [stdout]    --> src/nonblocking.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 | pub use self::io_impls::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::io_impls::*`
[INFO] [stdout]    --> src/nonblocking.rs:576:9
[INFO] [stdout]     |
[INFO] [stdout] 576 | pub use self::io_impls::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/region.rs:182:19
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn as_ref(&self) -> Region<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] 182 |     pub fn as_ref(&self) -> Region<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/region.rs:238:21
[INFO] [stdout]     |
[INFO] [stdout] 238 |     pub fn slice<R>(&self, range: R) -> Region<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] 238 |     pub fn slice<R>(&self, range: R) -> Region<'_, T>
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/region.rs:249:25
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn slice_mut<R>(&mut self, range: R) -> RegionMut<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] 249 |     pub fn slice_mut<R>(&mut self, range: R) -> RegionMut<'_, T>
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ring.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display {
[INFO] [stdout]    |                    ^^^^^ the lifetime is elided here                          ^^^^^^^ the same lifetime is hidden 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] 62 |     pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display<'_> {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nonblocking.rs:267:19
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn buf<T>(&self) -> Region<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] 267 |     pub fn buf<T>(&self) -> Region<'_, T>
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nonblocking.rs:394:19
[INFO] [stdout]     |
[INFO] [stdout] 394 |     pub fn buf<T>(&mut self) -> RegionMut<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] 394 |     pub fn buf<T>(&mut self) -> RegionMut<'_, T>
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blocking.rs:283:24
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn fill_buf<T>(&mut self) -> Region<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] 283 |     pub fn fill_buf<T>(&mut self) -> Region<'_, T>
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blocking.rs:405:15
[INFO] [stdout]     |
[INFO] [stdout] 405 |     fn buf<T>(&self) -> Region<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] 405 |     fn buf<T>(&self) -> Region<'_, T>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blocking.rs:506:15
[INFO] [stdout]     |
[INFO] [stdout] 506 |     fn buf<T>(&mut self) -> RegionMut<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] 506 |     fn buf<T>(&mut self) -> RegionMut<'_, T>
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blocking.rs:539:25
[INFO] [stdout]     |
[INFO] [stdout] 539 |     pub fn empty_buf<T>(&mut self) -> RegionMut<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] 539 |     pub fn empty_buf<T>(&mut self) -> RegionMut<'_, T>
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/region.rs:182:19
[INFO] [stdout]     |
[INFO] [stdout] 182 |     pub fn as_ref(&self) -> Region<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] 182 |     pub fn as_ref(&self) -> Region<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/region.rs:238:21
[INFO] [stdout]     |
[INFO] [stdout] 238 |     pub fn slice<R>(&self, range: R) -> Region<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] 238 |     pub fn slice<R>(&self, range: R) -> Region<'_, T>
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/region.rs:249:25
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn slice_mut<R>(&mut self, range: R) -> RegionMut<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] 249 |     pub fn slice_mut<R>(&mut self, range: R) -> RegionMut<'_, T>
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ring.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display {
[INFO] [stdout]    |                    ^^^^^ the lifetime is elided here                          ^^^^^^^ the same lifetime is hidden 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] 62 |     pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display<'_> {
[INFO] [stdout]    |                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nonblocking.rs:267:19
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn buf<T>(&self) -> Region<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] 267 |     pub fn buf<T>(&self) -> Region<'_, T>
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/nonblocking.rs:394:19
[INFO] [stdout]     |
[INFO] [stdout] 394 |     pub fn buf<T>(&mut self) -> RegionMut<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] 394 |     pub fn buf<T>(&mut self) -> RegionMut<'_, T>
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blocking.rs:283:24
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn fill_buf<T>(&mut self) -> Region<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] 283 |     pub fn fill_buf<T>(&mut self) -> Region<'_, T>
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blocking.rs:405:15
[INFO] [stdout]     |
[INFO] [stdout] 405 |     fn buf<T>(&self) -> Region<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] 405 |     fn buf<T>(&self) -> Region<'_, T>
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blocking.rs:506:15
[INFO] [stdout]     |
[INFO] [stdout] 506 |     fn buf<T>(&mut self) -> RegionMut<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] 506 |     fn buf<T>(&mut self) -> RegionMut<'_, T>
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/blocking.rs:539:25
[INFO] [stdout]     |
[INFO] [stdout] 539 |     pub fn empty_buf<T>(&mut self) -> RegionMut<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] 539 |     pub fn empty_buf<T>(&mut self) -> RegionMut<'_, T>
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.42s
[INFO] running `Command { std: "docker" "inspect" "23ea8679c210a4582f998bbcbf1ed53a1a8999e9491568af244d6555d864c3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ea8679c210a4582f998bbcbf1ed53a1a8999e9491568af244d6555d864c3c9", kill_on_drop: false }`
[INFO] [stdout] 23ea8679c210a4582f998bbcbf1ed53a1a8999e9491568af244d6555d864c3c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d6c53800582686f157b5a1c7b7acecb8f1b05bb2665ebcf577a5736ab29b568
[INFO] running `Command { std: "docker" "start" "-a" "2d6c53800582686f157b5a1c7b7acecb8f1b05bb2665ebcf577a5736ab29b568", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self::io_impls::*`
[INFO] [stdout] 
[INFO] [stderr]    --> src/nonblocking.rs:576:9
[INFO] [stdout] running 13 tests
[INFO] [stderr]     |
[INFO] [stdout] test region::tests::region_index ... ok
[INFO] [stderr] 576 | pub use self::io_impls::*;
[INFO] [stdout] test region::tests::region_clone_to_slice ... ok
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] test region::tests::region_is_empty ... ok
[INFO] [stderr]     |
[INFO] [stdout] test region::tests::region_copy_to_slice ... ok
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test region::tests::region_default_is_empty ... ok
[INFO] [stderr] 
[INFO] [stdout] test region::tests::region_iter ... ok
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] test region::tests::region_len ... ok
[INFO] [stderr]    --> src/region.rs:182:19
[INFO] [stdout] test region::tests::region_mut_clone_from_slice ... ok
[INFO] [stderr]     |
[INFO] [stdout] test region::tests::region_mut_copy_from_slice ... ok
[INFO] [stderr] 182 |     pub fn as_ref(&self) -> Region<T> {
[INFO] [stdout] test region::tests::region_mut_index ... ok
[INFO] [stderr]     |                   ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] test region::tests::region_mut_as_ref ... ok
[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] 182 |     pub fn as_ref(&self) -> Region<'_, T> {
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/region.rs:238:21
[INFO] [stderr]     |
[INFO] [stderr] 238 |     pub fn slice<R>(&self, range: R) -> Region<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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 238 |     pub fn slice<R>(&self, range: R) -> Region<'_, T>
[INFO] [stderr]     |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/region.rs:249:25
[INFO] [stderr]     |
[INFO] [stderr] 249 |     pub fn slice_mut<R>(&mut self, range: R) -> RegionMut<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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 249 |     pub fn slice_mut<R>(&mut self, range: R) -> RegionMut<'_, T>
[INFO] [stderr]     |                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/ring.rs:62:20
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display {
[INFO] [stderr]    |                    ^^^^^ the lifetime is elided here                          ^^^^^^^ the same lifetime is hidden 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] 62 |     pub fn display(&self, width: usize, left_char: char, right_char: char) -> Display<'_> {
[INFO] [stderr]    |                                                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/nonblocking.rs:267:19
[INFO] [stderr]     |
[INFO] [stderr] 267 |     pub fn buf<T>(&self) -> Region<T>
[INFO] [stderr]     |                   ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout] test region::tests::region_contiguous ... ok
[INFO] [stderr]     |                   |
[INFO] [stdout] test region::tests::region_slice ... ok
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] 
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 267 |     pub fn buf<T>(&self) -> Region<'_, T>
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/nonblocking.rs:394:19
[INFO] [stderr]     |
[INFO] [stderr] 394 |     pub fn buf<T>(&mut self) -> RegionMut<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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 394 |     pub fn buf<T>(&mut self) -> RegionMut<'_, T>
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/blocking.rs:283:24
[INFO] [stderr]     |
[INFO] [stderr] 283 |     pub fn fill_buf<T>(&mut self) -> Region<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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 283 |     pub fn fill_buf<T>(&mut self) -> Region<'_, T>
[INFO] [stderr]     |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/blocking.rs:405:15
[INFO] [stderr]     |
[INFO] [stderr] 405 |     fn buf<T>(&self) -> Region<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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 405 |     fn buf<T>(&self) -> Region<'_, T>
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/blocking.rs:506:15
[INFO] [stderr]     |
[INFO] [stderr] 506 |     fn buf<T>(&mut self) -> RegionMut<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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 506 |     fn buf<T>(&mut self) -> RegionMut<'_, T>
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/blocking.rs:539:25
[INFO] [stderr]     |
[INFO] [stderr] 539 |     pub fn empty_buf<T>(&mut self) -> RegionMut<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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 539 |     pub fn empty_buf<T>(&mut self) -> RegionMut<'_, T>
[INFO] [stderr]     |                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mini-io-queue` (lib) generated 11 warnings (run `cargo fix --lib -p mini-io-queue` to apply 11 suggestions)
[INFO] [stderr] warning: `mini-io-queue` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mini_io_queue-3e85e72fda322851)
[INFO] [stderr]    Doc-tests mini_io_queue
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/storage/mod.rs - storage (line 34) ... FAILED
[INFO] [stdout] test src/ring.rs - ring::Ring::display (line 52) ... ok
[INFO] [stdout] test src/blocking.rs - blocking::queue_from_parts (line 90) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... FAILED
[INFO] [stdout] test src/nonblocking.rs - nonblocking::queue_from_parts (line 100) ... ok
[INFO] [stdout] test src/nonblocking.rs - nonblocking::heap_constructors::queue (line 148) ... ok
[INFO] [stdout] test src/storage/heap_buffer.rs - storage::heap_buffer::HeapBuffer (line 15) ... ok
[INFO] [stdout] test src/blocking.rs - blocking::queue_from (line 61) ... ok
[INFO] [stdout] test src/storage/mod.rs - storage (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] test src/nonblocking.rs - nonblocking::queue_from (line 71) ... ok
[INFO] [stdout] test src/blocking.rs - blocking (line 17) ... ok
[INFO] [stdout] test src/nonblocking.rs - nonblocking (line 14) ... ok
[INFO] [stdout] test src/blocking.rs - blocking::heap_constructors::queue (line 145) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/storage/mod.rs - storage (line 34) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `mini_io_queue::storage::StackBuffer`
[INFO] [stdout]  --> src/storage/mod.rs:37:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mini_io_queue::storage::StackBuffer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `StackBuffer` in `storage`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 40) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `mini_io_queue::asyncio`
[INFO] [stdout]    --> src/lib.rs:44:20
[INFO] [stdout]     |
[INFO] [stdout]   7 | use mini_io_queue::asyncio::queue;
[INFO] [stdout]     |                    ^^^^^^^ could not find `asyncio` in `mini_io_queue`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 109 | #[cfg(feature = "asyncio")]
[INFO] [stdout]     |       ------------------- the item is gated behind the `asyncio` feature
[INFO] [stdout] 110 | #[cfg_attr(docsrs, doc(cfg(feature = "asyncio")))]
[INFO] [stdout] 111 | pub mod asyncio;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 40)
[INFO] [stdout]     src/storage/mod.rs - storage (line 34)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.39s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2d6c53800582686f157b5a1c7b7acecb8f1b05bb2665ebcf577a5736ab29b568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6c53800582686f157b5a1c7b7acecb8f1b05bb2665ebcf577a5736ab29b568", kill_on_drop: false }`
[INFO] [stdout] 2d6c53800582686f157b5a1c7b7acecb8f1b05bb2665ebcf577a5736ab29b568
