[INFO] fetching crate alto 3.0.4...
[INFO] checking alto-3.0.4 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate alto 3.0.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate alto 3.0.4
[INFO] finished tweaking crates.io crate alto 3.0.4
[INFO] tweaked toml for crates.io crate alto 3.0.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate alto 3.0.4 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "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" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to highest compatible versions
[INFO] [stderr]       Adding lazy_static v0.2.11 (available: v1.5.1)
[INFO] [stderr]       Adding parking_lot v0.4.8 (available: v0.12.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `alto` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d868e7bd75f08345dd2a0e1844f716c510f38f4e715f1ad6974cf01372d36d17
[INFO] running `Command { std: "docker" "start" "d868e7bd75f08345dd2a0e1844f716c510f38f4e715f1ad6974cf01372d36d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d868e7bd75f08345dd2a0e1844f716c510f38f4e715f1ad6974cf01372d36d17", 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" "d868e7bd75f08345dd2a0e1844f716c510f38f4e715f1ad6974cf01372d36d17" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d868e7bd75f08345dd2a0e1844f716c510f38f4e715f1ad6974cf01372d36d17", 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" "d868e7bd75f08345dd2a0e1844f716c510f38f4e715f1ad6974cf01372d36d17" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `alto` (manifest) generated 1 warning
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling al-sys v0.6.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]     Checking rental v0.5.6
[INFO] [stderr]     Checking alto v3.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/alc.rs:138:33
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn is_extension_present(&self, ext::Alc) -> bool;
[INFO] [stdout]     |                                    ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: ext::Alc`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/alc.rs:173:14
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn channels(&ext::ALC_SOFT_loopback) -> AltoResult<sys::ALint>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &ext::ALC_SOFT_loopback`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/alc.rs:174:15
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn sample_ty(&ext::ALC_SOFT_loopback) -> AltoResult<sys::ALint>;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &ext::ALC_SOFT_loopback`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alc::*`
[INFO] [stdout]  --> src/al/format.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use alc::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:112:29
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn set_relative(&mut self, bool);
[INFO] [stdout]     |                                ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn set_gain(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:122:29
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn set_min_gain(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn set_max_gain(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:132:39
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn set_reference_distance(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                          ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:137:35
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn set_rolloff_factor(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                      ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:142:33
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn set_max_distance(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                    ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:147:26
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn set_pitch(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                             ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:152:48
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn set_position<V: Into<[f32; 3]>>(&mut self, V) -> AltoResult<()>;
[INFO] [stdout]     |                                                   ^ help: try naming the parameter or explicitly ignoring it: `_: V`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:157:48
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn set_velocity<V: Into<[f32; 3]>>(&mut self, V) -> AltoResult<()>;
[INFO] [stdout]     |                                                   ^ help: try naming the parameter or explicitly ignoring it: `_: V`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:162:49
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn set_direction<V: Into<[f32; 3]>>(&mut self, V) -> AltoResult<()>;
[INFO] [stdout]     |                                                    ^ help: try naming the parameter or explicitly ignoring it: `_: V`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:167:37
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn set_cone_inner_angle(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                        ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:172:37
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn set_cone_outer_angle(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                        ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:177:36
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn set_cone_outer_gain(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                       ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:182:31
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn set_sec_offset(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                  ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:187:34
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn set_sample_offset(&mut self, sys::ALint) -> AltoResult<()>;
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: sys::ALint`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:192:32
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn set_byte_offset(&mut self, sys::ALint) -> AltoResult<()>;
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: sys::ALint`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:219:41
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn set_soft_direct_channels(&mut self, bool) -> AltoResult<()>;
[INFO] [stdout]     |                                            ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:226:35
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn set_distance_model(&mut self, DistanceModel) -> AltoResult<()>;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: DistanceModel`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:278:42
[INFO] [stdout]     |
[INFO] [stdout] 278 |     fn set_air_absorption_factor(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                             ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:285:40
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn set_room_rolloff_factor(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                           ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:292:38
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn set_cone_outer_gainhf(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:299:46
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn set_direct_filter_gainhf_auto(&mut self, bool) -> AltoResult<()>;
[INFO] [stdout]     |                                                 ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/alc.rs:138:33
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn is_extension_present(&self, ext::Alc) -> bool;
[INFO] [stdout]     |                                    ^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: ext::Alc`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/alc.rs:173:14
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn channels(&ext::ALC_SOFT_loopback) -> AltoResult<sys::ALint>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &ext::ALC_SOFT_loopback`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/alc.rs:174:15
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn sample_ty(&ext::ALC_SOFT_loopback) -> AltoResult<sys::ALint>;
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &ext::ALC_SOFT_loopback`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alc::*`
[INFO] [stdout]  --> src/al/format.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use alc::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/al/mod.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / lazy_static! {
[INFO] [stdout] 24 | |     #[doc(hidden)]
[INFO] [stdout] 25 | |     static ref ALTO_CTX_LOCK: Mutex<()> = Mutex::new(());
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:112:29
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn set_relative(&mut self, bool);
[INFO] [stdout]     |                                ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:117:25
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn set_gain(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                            ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:122:29
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn set_min_gain(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn set_max_gain(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:132:39
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn set_reference_distance(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                          ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:137:35
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn set_rolloff_factor(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                      ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:142:33
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn set_max_distance(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                    ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:147:26
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn set_pitch(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                             ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:152:48
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn set_position<V: Into<[f32; 3]>>(&mut self, V) -> AltoResult<()>;
[INFO] [stdout]     |                                                   ^ help: try naming the parameter or explicitly ignoring it: `_: V`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:157:48
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn set_velocity<V: Into<[f32; 3]>>(&mut self, V) -> AltoResult<()>;
[INFO] [stdout]     |                                                   ^ help: try naming the parameter or explicitly ignoring it: `_: V`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:162:49
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn set_direction<V: Into<[f32; 3]>>(&mut self, V) -> AltoResult<()>;
[INFO] [stdout]     |                                                    ^ help: try naming the parameter or explicitly ignoring it: `_: V`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:167:37
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn set_cone_inner_angle(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                        ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:172:37
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn set_cone_outer_angle(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                        ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:177:36
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn set_cone_outer_gain(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                       ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:182:31
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn set_sec_offset(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                  ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:187:34
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn set_sample_offset(&mut self, sys::ALint) -> AltoResult<()>;
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: sys::ALint`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:192:32
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn set_byte_offset(&mut self, sys::ALint) -> AltoResult<()>;
[INFO] [stdout]     |                                   ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: sys::ALint`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:219:41
[INFO] [stdout]     |
[INFO] [stdout] 219 |     fn set_soft_direct_channels(&mut self, bool) -> AltoResult<()>;
[INFO] [stdout]     |                                            ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:226:35
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn set_distance_model(&mut self, DistanceModel) -> AltoResult<()>;
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: DistanceModel`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:278:42
[INFO] [stdout]     |
[INFO] [stdout] 278 |     fn set_air_absorption_factor(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                             ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:285:40
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn set_room_rolloff_factor(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                           ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:292:38
[INFO] [stdout]     |
[INFO] [stdout] 292 |     fn set_cone_outer_gainhf(&mut self, f32) -> AltoResult<()>;
[INFO] [stdout]     |                                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: f32`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/al/mod.rs:299:46
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn set_direct_filter_gainhf_auto(&mut self, bool) -> AltoResult<()>;
[INFO] [stdout]     |                                                 ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/alc.rs:742:20
[INFO] [stdout]     |
[INFO] [stdout] 742 | impl PartialEq for DeviceObject {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 742 | impl PartialEq for dyn DeviceObject {
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/alc.rs:747:13
[INFO] [stdout]     |
[INFO] [stdout] 747 | impl Eq for DeviceObject { }
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 747 | impl Eq for dyn DeviceObject { }
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/alc.rs:743:23
[INFO] [stdout]     |
[INFO] [stdout] 743 |     fn eq(&self, other: &DeviceObject) -> bool {
[INFO] [stdout]     |                          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 743 |     fn eq(&self, other: &dyn DeviceObject) -> bool {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/al/mod.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / lazy_static! {
[INFO] [stdout] 24 | |     #[doc(hidden)]
[INFO] [stdout] 25 | |     static ref ALTO_CTX_LOCK: Mutex<()> = Mutex::new(());
[INFO] [stdout] 26 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/alc.rs:742:20
[INFO] [stdout]     |
[INFO] [stdout] 742 | impl PartialEq for DeviceObject {
[INFO] [stdout]     |                    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 742 | impl PartialEq for dyn DeviceObject {
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/alc.rs:747:13
[INFO] [stdout]     |
[INFO] [stdout] 747 | impl Eq for DeviceObject { }
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 747 | impl Eq for dyn DeviceObject { }
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/alc.rs:743:23
[INFO] [stdout]     |
[INFO] [stdout] 743 |     fn eq(&self, other: &DeviceObject) -> bool {
[INFO] [stdout]     |                          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 743 |     fn eq(&self, other: &dyn DeviceObject) -> bool {
[INFO] [stdout]     |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl i32>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/alc.rs:675:65
[INFO] [stdout]     |
[INFO] [stdout] 675 |         let len = cmp::min(size / mem::size_of::<F>(), sys::ALCsizei::max_value() as usize);
[INFO] [stdout]     |                                                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl i32>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/al/mod.rs:750:21
[INFO] [stdout]     |
[INFO] [stdout] 750 |         if (sys::ALsizei::max_value() as usize) < size { return Err(AltoError::InvalidValue) }
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl i32>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/alc.rs:675:65
[INFO] [stdout]     |
[INFO] [stdout] 675 |         let len = cmp::min(size / mem::size_of::<F>(), sys::ALCsizei::max_value() as usize);
[INFO] [stdout]     |                                                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::num::<impl i32>::max_value`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/al/mod.rs:750:21
[INFO] [stdout]     |
[INFO] [stdout] 750 |         if (sys::ALsizei::max_value() as usize) < size { return Err(AltoError::InvalidValue) }
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:111:24
[INFO] [stdout]     |
[INFO] [stdout] 111 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:134:32
[INFO] [stdout]     |
[INFO] [stdout] 134 |             AltoError::Io(ref io) => io.description(),
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:111:24
[INFO] [stdout]     |
[INFO] [stdout] 111 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:134:32
[INFO] [stdout]     |
[INFO] [stdout] 134 |             AltoError::Io(ref io) => io.description(),
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<ContextAttrs>`
[INFO] [stdout]    --> src/alc.rs:580:39
[INFO] [stdout]     |
[INFO] [stdout] 580 |         let attrs_vec = self.make_attrs_vec(attrs.into())?;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 580 -         let attrs_vec = self.make_attrs_vec(attrs.into())?;
[INFO] [stdout] 580 +         let attrs_vec = self.make_attrs_vec(attrs)?;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 580 -         let attrs_vec = self.make_attrs_vec(attrs.into())?;
[INFO] [stdout] 580 +         let attrs_vec = self.make_attrs_vec(<Option<ContextAttrs> as Into<_>>::into(attrs))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<LoopbackAttrs>`
[INFO] [stdout]    --> src/alc.rs:658:45
[INFO] [stdout]     |
[INFO] [stdout] 658 |         let attrs_vec = self.make_attrs_vec(freq, attrs.into())?;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 658 -         let attrs_vec = self.make_attrs_vec(freq, attrs.into())?;
[INFO] [stdout] 658 +         let attrs_vec = self.make_attrs_vec(freq, attrs)?;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 658 -         let attrs_vec = self.make_attrs_vec(freq, attrs.into())?;
[INFO] [stdout] 658 +         let attrs_vec = self.make_attrs_vec(freq, <Option<LoopbackAttrs> as Into<_>>::into(attrs))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<LoopbackAttrs>`
[INFO] [stdout]    --> src/alc.rs:693:45
[INFO] [stdout]     |
[INFO] [stdout] 693 |         let attrs_vec = self.make_attrs_vec(freq, attrs.into());
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 693 -         let attrs_vec = self.make_attrs_vec(freq, attrs.into());
[INFO] [stdout] 693 +         let attrs_vec = self.make_attrs_vec(freq, attrs);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 693 -         let attrs_vec = self.make_attrs_vec(freq, attrs.into());
[INFO] [stdout] 693 +         let attrs_vec = self.make_attrs_vec(freq, <Option<LoopbackAttrs> as Into<_>>::into(attrs));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `i32`
[INFO] [stdout]     --> src/al/mod.rs:1223:6
[INFO] [stdout]      |
[INFO] [stdout] 1223 |         Ok(value.into())
[INFO] [stdout]      |            ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1223 -         Ok(value.into())
[INFO] [stdout] 1223 +         Ok(value)
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1223 -         Ok(value.into())
[INFO] [stdout] 1223 +         Ok(<i32 as Into<_>>::into(value))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `i32`
[INFO] [stdout]     --> src/al/mod.rs:1229:16
[INFO] [stdout]      |
[INFO] [stdout] 1229 |             let value = value.into();
[INFO] [stdout]      |                         ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1229 -             let value = value.into();
[INFO] [stdout] 1229 +             let value = value;
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1229 -             let value = value.into();
[INFO] [stdout] 1229 +             let value = <i32 as Into<_>>::into(value);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f32`
[INFO] [stdout]     --> src/al/mod.rs:1260:7
[INFO] [stdout]      |
[INFO] [stdout] 1260 |             Ok(value.into())
[INFO] [stdout]      |                ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1260 -             Ok(value.into())
[INFO] [stdout] 1260 +             Ok(value)
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1260 -             Ok(value.into())
[INFO] [stdout] 1260 +             Ok(<f32 as Into<_>>::into(value))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f32`
[INFO] [stdout]     --> src/al/mod.rs:1267:16
[INFO] [stdout]      |
[INFO] [stdout] 1267 |             let value = value.into();
[INFO] [stdout]      |                         ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1267 -             let value = value.into();
[INFO] [stdout] 1267 +             let value = value;
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1267 -             let value = value.into();
[INFO] [stdout] 1267 +             let value = <f32 as Into<_>>::into(value);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/al/mod.rs:608:23
[INFO] [stdout]     |
[INFO] [stdout] 608 |     pub fn defer_updates(&self) -> DeferLock {
[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] 608 |     pub fn defer_updates(&self) -> DeferLock<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/al/mod.rs:634:29
[INFO] [stdout]     |
[INFO] [stdout] 634 |     pub(crate) fn make_current(&self, set: bool) -> Option<MutexGuard<()>> {
[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] 634 |     pub(crate) fn make_current(&self, set: bool) -> Option<MutexGuard<'_, ()>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/al/mod.rs:639:27
[INFO] [stdout]     |
[INFO] [stdout] 639 |     fn make_raw_current(dev: &Device, ctx: *mut sys::ALCcontext) -> Option<MutexGuard<()>> {
[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] 639 |     fn make_raw_current(dev: &Device, ctx: *mut sys::ALCcontext) -> Option<MutexGuard<'_, ()>> {
[INFO] [stdout]     |                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/al/mod.rs:685:30
[INFO] [stdout]     |
[INFO] [stdout] 685 |     fn new(ctx: &'c Context) -> DeferLock {
[INFO] [stdout]     |                  --             ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 685 |     fn new(ctx: &'c Context) -> DeferLock<'c> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alto` (lib test) due to 7 previous errors; 39 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `Option<ContextAttrs>`
[INFO] [stdout]    --> src/alc.rs:580:39
[INFO] [stdout]     |
[INFO] [stdout] 580 |         let attrs_vec = self.make_attrs_vec(attrs.into())?;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 580 -         let attrs_vec = self.make_attrs_vec(attrs.into())?;
[INFO] [stdout] 580 +         let attrs_vec = self.make_attrs_vec(attrs)?;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 580 -         let attrs_vec = self.make_attrs_vec(attrs.into())?;
[INFO] [stdout] 580 +         let attrs_vec = self.make_attrs_vec(<Option<ContextAttrs> as Into<_>>::into(attrs))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<LoopbackAttrs>`
[INFO] [stdout]    --> src/alc.rs:658:45
[INFO] [stdout]     |
[INFO] [stdout] 658 |         let attrs_vec = self.make_attrs_vec(freq, attrs.into())?;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 658 -         let attrs_vec = self.make_attrs_vec(freq, attrs.into())?;
[INFO] [stdout] 658 +         let attrs_vec = self.make_attrs_vec(freq, attrs)?;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 658 -         let attrs_vec = self.make_attrs_vec(freq, attrs.into())?;
[INFO] [stdout] 658 +         let attrs_vec = self.make_attrs_vec(freq, <Option<LoopbackAttrs> as Into<_>>::into(attrs))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `Option<LoopbackAttrs>`
[INFO] [stdout]    --> src/alc.rs:693:45
[INFO] [stdout]     |
[INFO] [stdout] 693 |         let attrs_vec = self.make_attrs_vec(freq, attrs.into());
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 693 -         let attrs_vec = self.make_attrs_vec(freq, attrs.into());
[INFO] [stdout] 693 +         let attrs_vec = self.make_attrs_vec(freq, attrs);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 693 -         let attrs_vec = self.make_attrs_vec(freq, attrs.into());
[INFO] [stdout] 693 +         let attrs_vec = self.make_attrs_vec(freq, <Option<LoopbackAttrs> as Into<_>>::into(attrs));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `i32`
[INFO] [stdout]     --> src/al/mod.rs:1223:6
[INFO] [stdout]      |
[INFO] [stdout] 1223 |         Ok(value.into())
[INFO] [stdout]      |            ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1223 -         Ok(value.into())
[INFO] [stdout] 1223 +         Ok(value)
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1223 -         Ok(value.into())
[INFO] [stdout] 1223 +         Ok(<i32 as Into<_>>::into(value))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `i32`
[INFO] [stdout]     --> src/al/mod.rs:1229:16
[INFO] [stdout]      |
[INFO] [stdout] 1229 |             let value = value.into();
[INFO] [stdout]      |                         ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1229 -             let value = value.into();
[INFO] [stdout] 1229 +             let value = value;
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1229 -             let value = value.into();
[INFO] [stdout] 1229 +             let value = <i32 as Into<_>>::into(value);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f32`
[INFO] [stdout]     --> src/al/mod.rs:1260:7
[INFO] [stdout]      |
[INFO] [stdout] 1260 |             Ok(value.into())
[INFO] [stdout]      |                ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1260 -             Ok(value.into())
[INFO] [stdout] 1260 +             Ok(value)
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1260 -             Ok(value.into())
[INFO] [stdout] 1260 +             Ok(<f32 as Into<_>>::into(value))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `f32`
[INFO] [stdout]     --> src/al/mod.rs:1267:16
[INFO] [stdout]      |
[INFO] [stdout] 1267 |             let value = value.into();
[INFO] [stdout]      |                         ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]      |
[INFO] [stdout] 1267 -             let value = value.into();
[INFO] [stdout] 1267 +             let value = value;
[INFO] [stdout]      |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]      |
[INFO] [stdout] 1267 -             let value = value.into();
[INFO] [stdout] 1267 +             let value = <f32 as Into<_>>::into(value);
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/al/mod.rs:608:23
[INFO] [stdout]     |
[INFO] [stdout] 608 |     pub fn defer_updates(&self) -> DeferLock {
[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] 608 |     pub fn defer_updates(&self) -> DeferLock<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/al/mod.rs:634:29
[INFO] [stdout]     |
[INFO] [stdout] 634 |     pub(crate) fn make_current(&self, set: bool) -> Option<MutexGuard<()>> {
[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] 634 |     pub(crate) fn make_current(&self, set: bool) -> Option<MutexGuard<'_, ()>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/al/mod.rs:639:27
[INFO] [stdout]     |
[INFO] [stdout] 639 |     fn make_raw_current(dev: &Device, ctx: *mut sys::ALCcontext) -> Option<MutexGuard<()>> {
[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] 639 |     fn make_raw_current(dev: &Device, ctx: *mut sys::ALCcontext) -> Option<MutexGuard<'_, ()>> {
[INFO] [stdout]     |                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/al/mod.rs:685:30
[INFO] [stdout]     |
[INFO] [stdout] 685 |     fn new(ctx: &'c Context) -> DeferLock {
[INFO] [stdout]     |                  --             ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'c`
[INFO] [stdout]     |
[INFO] [stdout] 685 |     fn new(ctx: &'c Context) -> DeferLock<'c> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alto` (lib) due to 7 previous errors; 39 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d868e7bd75f08345dd2a0e1844f716c510f38f4e715f1ad6974cf01372d36d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d868e7bd75f08345dd2a0e1844f716c510f38f4e715f1ad6974cf01372d36d17", kill_on_drop: false }`
[INFO] [stdout] d868e7bd75f08345dd2a0e1844f716c510f38f4e715f1ad6974cf01372d36d17
