[INFO] fetching crate alto 3.0.4...
[INFO] checking alto-3.0.4 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate alto 3.0.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate alto 3.0.4 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded al-sys v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6468f5b6c6706a667982c21c10df011b77c795e06bc97cdeebe2d15e12905b90
[INFO] running `Command { std: "docker" "start" "-a" "6468f5b6c6706a667982c21c10df011b77c795e06bc97cdeebe2d15e12905b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6468f5b6c6706a667982c21c10df011b77c795e06bc97cdeebe2d15e12905b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6468f5b6c6706a667982c21c10df011b77c795e06bc97cdeebe2d15e12905b90", kill_on_drop: false }`
[INFO] [stdout] 6468f5b6c6706a667982c21c10df011b77c795e06bc97cdeebe2d15e12905b90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae390e53e5887c5f667875e0a555ead02a98aacff97fe152f49eef3299be167c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ae390e53e5887c5f667875e0a555ead02a98aacff97fe152f49eef3299be167c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling al-sys v0.6.1
[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]     = note: `#[warn(anonymous_parameters)]` on by default
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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]     |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn DeviceObject`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn DeviceObject`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |             ^^^^^^^^^^^^ help: use `dyn`: `dyn DeviceObject`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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]     = note: `#[warn(anonymous_parameters)]` on by default
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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]     |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn DeviceObject`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn DeviceObject`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]     |             ^^^^^^^^^^^^ help: use `dyn`: `dyn DeviceObject`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `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` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `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` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `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 associated function `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 associated function `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 associated function `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: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.83s
[INFO] running `Command { std: "docker" "inspect" "ae390e53e5887c5f667875e0a555ead02a98aacff97fe152f49eef3299be167c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae390e53e5887c5f667875e0a555ead02a98aacff97fe152f49eef3299be167c", kill_on_drop: false }`
[INFO] [stdout] ae390e53e5887c5f667875e0a555ead02a98aacff97fe152f49eef3299be167c