[INFO] fetching crate wcomm 0.1.3... [INFO] building wcomm-0.1.3 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate wcomm 0.1.3 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate wcomm 0.1.3 [INFO] finished tweaking crates.io crate wcomm 0.1.3 [INFO] tweaked toml for crates.io crate wcomm 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate wcomm 0.1.3 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate wcomm 0.1.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded primal-check v0.3.1 [INFO] [stderr] Downloaded riff v1.0.1 [INFO] [stderr] Downloaded transpose v0.2.1 [INFO] [stderr] Downloaded strength_reduce v0.2.3 [INFO] [stderr] Downloaded num-complex v0.4.2 [INFO] [stderr] Downloaded coreaudio-sys v0.2.10 [INFO] [stderr] Downloaded darling_macro v0.13.4 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.81 [INFO] [stderr] Downloaded darling v0.13.4 [INFO] [stderr] Downloaded unicode-ident v1.0.2 [INFO] [stderr] Downloaded anyhow v1.0.58 [INFO] [stderr] Downloaded alsa-sys v0.3.1 [INFO] [stderr] Downloaded duplicate v0.4.1 [INFO] [stderr] Downloaded alsa v0.6.0 [INFO] [stderr] Downloaded js-sys v0.3.58 [INFO] [stderr] Downloaded serde v1.0.139 [INFO] [stderr] Downloaded combine v4.6.4 [INFO] [stderr] Downloaded oboe-sys v0.4.5 [INFO] [stderr] Downloaded rustfft v6.0.1 [INFO] [stderr] Downloaded stdweb v0.1.3 [INFO] [stderr] Downloaded wasm-bindgen v0.2.81 [INFO] [stderr] Downloaded cpal v0.13.5 [INFO] [stderr] Downloaded bumpalo v3.10.0 [INFO] [stderr] Downloaded clang-sys v1.3.3 [INFO] [stderr] Downloaded darling_core v0.13.4 [INFO] [stderr] Downloaded ndk v0.6.0 [INFO] [stderr] Downloaded ndk-sys v0.3.0 [INFO] [stderr] Downloaded oboe v0.4.6 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.81 [INFO] [stderr] Downloaded proc-macro-crate v1.1.3 [INFO] [stderr] Downloaded thiserror v1.0.31 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.81 [INFO] [stderr] Downloaded fundsp v0.6.4 [INFO] [stderr] Downloaded numeric-array v0.5.2 [INFO] [stderr] Downloaded thiserror-impl v1.0.31 [INFO] [stderr] Downloaded rsor v0.1.3 [INFO] [stderr] Downloaded ndk-macro v0.3.0 [INFO] [stderr] Downloaded ndk-glue v0.6.2 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.81 [INFO] [stderr] Downloaded libc v0.2.126 [INFO] [stderr] Downloaded wav v1.0.0 [INFO] [stderr] Downloaded web-sys v0.3.58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 27d1efe2049a3f4c980afbaa169c215e3db62ac0ecdba8a665071070e2f5f471 [INFO] running `Command { std: "docker" "start" "-a" "27d1efe2049a3f4c980afbaa169c215e3db62ac0ecdba8a665071070e2f5f471", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "27d1efe2049a3f4c980afbaa169c215e3db62ac0ecdba8a665071070e2f5f471", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27d1efe2049a3f4c980afbaa169c215e3db62ac0ecdba8a665071070e2f5f471", kill_on_drop: false }` [INFO] [stdout] 27d1efe2049a3f4c980afbaa169c215e3db62ac0ecdba8a665071070e2f5f471 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1e542f6d114b4bae8e21f2d4158f8f772f67b57014633d672a8ea94a8564714 [INFO] running `Command { std: "docker" "start" "-a" "f1e542f6d114b4bae8e21f2d4158f8f772f67b57014633d672a8ea94a8564714", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling smallvec v1.9.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling strength_reduce v0.2.3 [INFO] [stderr] Compiling alsa-sys v0.3.1 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling anyhow v1.0.58 [INFO] [stderr] Compiling cpal v0.13.5 [INFO] [stderr] Compiling riff v1.0.1 [INFO] [stderr] Compiling tinyvec v1.6.0 [INFO] [stderr] Compiling rsor v0.1.3 [INFO] [stderr] Compiling wav v1.0.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling num-complex v0.4.2 [INFO] [stderr] Compiling numeric-array v0.5.2 [INFO] [stderr] Compiling primal-check v0.3.1 [INFO] [stderr] Compiling transpose v0.2.1 [INFO] [stderr] Compiling rustfft v6.0.1 [INFO] [stderr] Compiling nix v0.23.1 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.31 [INFO] [stderr] Compiling duplicate v0.4.1 [INFO] [stderr] Compiling thiserror v1.0.31 [INFO] [stderr] Compiling alsa v0.6.0 [INFO] [stderr] Compiling fundsp v0.6.4 [INFO] [stderr] Compiling wcomm v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `channel::*` [INFO] [stdout] --> src/encoding/mod.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub use channel::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `frequency` [INFO] [stdout] --> src/channels/sound.rs:93:22 [INFO] [stdout] | [INFO] [stdout] 93 | fn listen(&self, frequency: u32) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `channel` [INFO] [stdout] --> src/modulation/qam.rs:28:24 [INFO] [stdout] | [INFO] [stdout] 28 | fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channel` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/modulation/qam.rs:28:47 [INFO] [stdout] | [INFO] [stdout] 28 | fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `time` [INFO] [stdout] --> src/modulation/qam.rs:28:62 [INFO] [stdout] | [INFO] [stdout] 28 | fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/channels/sound.rs:102:27 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn new(modulator: &dyn DigitalModulator) -> Sound { [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] 102 | pub fn new(modulator: &dyn DigitalModulator) -> Sound<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/channels/sound.rs:120:70 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn modulator(mut self, new_mod: &'a dyn DigitalModulator) -> Sound { [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 `'a` [INFO] [stdout] | [INFO] [stdout] 120 | pub fn modulator(mut self, new_mod: &'a dyn DigitalModulator) -> Sound<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.15s [INFO] running `Command { std: "docker" "inspect" "f1e542f6d114b4bae8e21f2d4158f8f772f67b57014633d672a8ea94a8564714", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1e542f6d114b4bae8e21f2d4158f8f772f67b57014633d672a8ea94a8564714", kill_on_drop: false }` [INFO] [stdout] f1e542f6d114b4bae8e21f2d4158f8f772f67b57014633d672a8ea94a8564714 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 033bc526beab31d987b64b6cc9b65fc52b1b914596992055a98cb343ff6d533a [INFO] running `Command { std: "docker" "start" "-a" "033bc526beab31d987b64b6cc9b65fc52b1b914596992055a98cb343ff6d533a", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `channel::*` [INFO] [stdout] --> src/encoding/mod.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub use channel::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `frequency` [INFO] [stdout] --> src/channels/sound.rs:93:22 [INFO] [stdout] | [INFO] [stdout] 93 | fn listen(&self, frequency: u32) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `channel` [INFO] [stdout] --> src/modulation/qam.rs:28:24 [INFO] [stdout] | [INFO] [stdout] 28 | fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channel` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/modulation/qam.rs:28:47 [INFO] [stdout] | [INFO] [stdout] 28 | fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `time` [INFO] [stdout] --> src/modulation/qam.rs:28:62 [INFO] [stdout] | [INFO] [stdout] 28 | fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/channels/sound.rs:102:27 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn new(modulator: &dyn DigitalModulator) -> Sound { [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] 102 | pub fn new(modulator: &dyn DigitalModulator) -> Sound<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/channels/sound.rs:120:70 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn modulator(mut self, new_mod: &'a dyn DigitalModulator) -> Sound { [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 `'a` [INFO] [stdout] | [INFO] [stdout] 120 | pub fn modulator(mut self, new_mod: &'a dyn DigitalModulator) -> Sound<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling wcomm v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `channel::*` [INFO] [stdout] --> src/encoding/mod.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub use channel::*; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `frequency` [INFO] [stdout] --> src/channels/sound.rs:93:22 [INFO] [stdout] | [INFO] [stdout] 93 | fn listen(&self, frequency: u32) { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `channel` [INFO] [stdout] --> src/modulation/qam.rs:28:24 [INFO] [stdout] | [INFO] [stdout] 28 | fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_channel` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/modulation/qam.rs:28:47 [INFO] [stdout] | [INFO] [stdout] 28 | fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `time` [INFO] [stdout] --> src/modulation/qam.rs:28:62 [INFO] [stdout] | [INFO] [stdout] 28 | fn send_msg(&self, channel: &dyn Channel, msg: &Message, time: u32) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/channels/sound.rs:102:27 [INFO] [stdout] | [INFO] [stdout] 102 | pub fn new(modulator: &dyn DigitalModulator) -> Sound { [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] 102 | pub fn new(modulator: &dyn DigitalModulator) -> Sound<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/channels/sound.rs:120:70 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn modulator(mut self, new_mod: &'a dyn DigitalModulator) -> Sound { [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 `'a` [INFO] [stdout] | [INFO] [stdout] 120 | pub fn modulator(mut self, new_mod: &'a dyn DigitalModulator) -> Sound<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `Command { std: "docker" "inspect" "033bc526beab31d987b64b6cc9b65fc52b1b914596992055a98cb343ff6d533a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "033bc526beab31d987b64b6cc9b65fc52b1b914596992055a98cb343ff6d533a", kill_on_drop: false }` [INFO] [stdout] 033bc526beab31d987b64b6cc9b65fc52b1b914596992055a98cb343ff6d533a