[INFO] fetching crate audrey 0.3.0... [INFO] checking audrey-0.3.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate audrey 0.3.0 into /workspace/builds/worker-59/source [INFO] validating manifest of crates.io crate audrey 0.3.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate audrey 0.3.0 [INFO] finished tweaking crates.io crate audrey 0.3.0 [INFO] tweaked toml for crates.io crate audrey 0.3.0 written to /workspace/builds/worker-59/source/Cargo.toml [INFO] crate crates.io crate audrey 0.3.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d624866301fa47dcf0ff2ee7baddb9c6eac90e35eb6c5ed0542b577b2d901981 [INFO] running `Command { std: "docker" "start" "-a" "d624866301fa47dcf0ff2ee7baddb9c6eac90e35eb6c5ed0542b577b2d901981", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d624866301fa47dcf0ff2ee7baddb9c6eac90e35eb6c5ed0542b577b2d901981", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d624866301fa47dcf0ff2ee7baddb9c6eac90e35eb6c5ed0542b577b2d901981", kill_on_drop: false }` [INFO] [stdout] d624866301fa47dcf0ff2ee7baddb9c6eac90e35eb6c5ed0542b577b2d901981 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 81ce630c5781966bc9cfdc767db05a58928639f18e879ac1231c0544d745ca9f [INFO] running `Command { std: "docker" "start" "-a" "81ce630c5781966bc9cfdc767db05a58928639f18e879ac1231c0544d745ca9f", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Compiling cpal v0.10.0 [INFO] [stderr] Checking dasp_sample v0.11.0 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking claxon v0.4.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Checking ogg v0.7.1 [INFO] [stderr] Checking caf v0.1.0 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking bitreader v0.3.2 [INFO] [stderr] Checking dasp_frame v0.11.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking lewton v0.9.4 [INFO] [stderr] Checking mp4parse v0.10.1 [INFO] [stderr] Checking alac v0.5.0 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Checking audrey v0.3.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/read.rs:603:62 [INFO] [stdout] | [INFO] [stdout] 603 | FormatError::Flac(ref err) => std::error::Error::description(err), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [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/read.rs:609:67 [INFO] [stdout] | [INFO] [stdout] 609 | FormatError::OggVorbis(ref err) => std::error::Error::description(err), [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/read.rs:611:61 [INFO] [stdout] | [INFO] [stdout] 611 | FormatError::Wav(ref err) => std::error::Error::description(err), [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/read.rs:617:61 [INFO] [stdout] | [INFO] [stdout] 617 | FormatError::Caf(ref err) => std::error::Error::description(err), [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/read.rs:645:58 [INFO] [stdout] | [INFO] [stdout] 645 | ReadError::Io(ref err) => std::error::Error::description(err), [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/read.rs:646:62 [INFO] [stdout] | [INFO] [stdout] 646 | ReadError::Reader(ref err) => std::error::Error::description(err), [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/read.rs:679:72 [INFO] [stdout] | [INFO] [stdout] 679 | FormatError::Alac(_) => write!(f, "{}", std::error::Error::description(self)), [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/read.rs:689:80 [INFO] [stdout] | [INFO] [stdout] 689 | ReadError::UnsupportedFormat => write!(f, "{}", std::error::Error::description(self)), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/read.rs:455:25 [INFO] [stdout] | [INFO] [stdout] 455 | std::mem::replace(buffer, packet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/read.rs:510:25 [INFO] [stdout] | [INFO] [stdout] 510 | std::mem::replace(buffer, packet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Migrating tests/read.rs from 2018 edition to 2021 [INFO] [stderr] Migrating examples/sine.rs from 2018 edition to 2021 [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/read.rs:603:62 [INFO] [stdout] | [INFO] [stdout] 603 | FormatError::Flac(ref err) => std::error::Error::description(err), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [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/read.rs:609:67 [INFO] [stdout] | [INFO] [stdout] 609 | FormatError::OggVorbis(ref err) => std::error::Error::description(err), [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/read.rs:611:61 [INFO] [stdout] | [INFO] [stdout] 611 | FormatError::Wav(ref err) => std::error::Error::description(err), [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/read.rs:617:61 [INFO] [stdout] | [INFO] [stdout] 617 | FormatError::Caf(ref err) => std::error::Error::description(err), [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/read.rs:645:58 [INFO] [stdout] | [INFO] [stdout] 645 | ReadError::Io(ref err) => std::error::Error::description(err), [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/read.rs:646:62 [INFO] [stdout] | [INFO] [stdout] 646 | ReadError::Reader(ref err) => std::error::Error::description(err), [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/read.rs:679:72 [INFO] [stdout] | [INFO] [stdout] 679 | FormatError::Alac(_) => write!(f, "{}", std::error::Error::description(self)), [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/read.rs:689:80 [INFO] [stdout] | [INFO] [stdout] 689 | ReadError::UnsupportedFormat => write!(f, "{}", std::error::Error::description(self)), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/read.rs:455:25 [INFO] [stdout] | [INFO] [stdout] 455 | std::mem::replace(buffer, packet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/read.rs:510:25 [INFO] [stdout] | [INFO] [stdout] 510 | std::mem::replace(buffer, packet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.98s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking audrey v0.3.0 (/tmp/fixit) [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/read.rs:603:62 [INFO] [stdout] | [INFO] [stdout] 603 | FormatError::Flac(ref err) => std::error::Error::description(err), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [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/read.rs:609:67 [INFO] [stdout] | [INFO] [stdout] 609 | FormatError::OggVorbis(ref err) => std::error::Error::description(err), [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/read.rs:611:61 [INFO] [stdout] | [INFO] [stdout] 611 | FormatError::Wav(ref err) => std::error::Error::description(err), [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/read.rs:617:61 [INFO] [stdout] | [INFO] [stdout] 617 | FormatError::Caf(ref err) => std::error::Error::description(err), [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/read.rs:645:58 [INFO] [stdout] | [INFO] [stdout] 645 | ReadError::Io(ref err) => std::error::Error::description(err), [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/read.rs:646:62 [INFO] [stdout] | [INFO] [stdout] 646 | ReadError::Reader(ref err) => std::error::Error::description(err), [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/read.rs:679:72 [INFO] [stdout] | [INFO] [stdout] 679 | FormatError::Alac(_) => write!(f, "{}", std::error::Error::description(self)), [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/read.rs:689:80 [INFO] [stdout] | [INFO] [stdout] 689 | ReadError::UnsupportedFormat => write!(f, "{}", std::error::Error::description(self)), [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/read.rs:603:62 [INFO] [stdout] | [INFO] [stdout] 603 | FormatError::Flac(ref err) => std::error::Error::description(err), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [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/read.rs:609:67 [INFO] [stdout] | [INFO] [stdout] 609 | FormatError::OggVorbis(ref err) => std::error::Error::description(err), [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/read.rs:611:61 [INFO] [stdout] | [INFO] [stdout] 611 | FormatError::Wav(ref err) => std::error::Error::description(err), [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/read.rs:617:61 [INFO] [stdout] | [INFO] [stdout] 617 | FormatError::Caf(ref err) => std::error::Error::description(err), [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/read.rs:645:58 [INFO] [stdout] | [INFO] [stdout] 645 | ReadError::Io(ref err) => std::error::Error::description(err), [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/read.rs:646:62 [INFO] [stdout] | [INFO] [stdout] 646 | ReadError::Reader(ref err) => std::error::Error::description(err), [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/read.rs:679:72 [INFO] [stdout] | [INFO] [stdout] 679 | FormatError::Alac(_) => write!(f, "{}", std::error::Error::description(self)), [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/read.rs:689:80 [INFO] [stdout] | [INFO] [stdout] 689 | ReadError::UnsupportedFormat => write!(f, "{}", std::error::Error::description(self)), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/read.rs:455:25 [INFO] [stdout] | [INFO] [stdout] 455 | std::mem::replace(buffer, packet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/read.rs:510:25 [INFO] [stdout] | [INFO] [stdout] 510 | std::mem::replace(buffer, packet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/read.rs:455:25 [INFO] [stdout] | [INFO] [stdout] 455 | std::mem::replace(buffer, packet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/read.rs:510:25 [INFO] [stdout] | [INFO] [stdout] 510 | std::mem::replace(buffer, packet); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "81ce630c5781966bc9cfdc767db05a58928639f18e879ac1231c0544d745ca9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81ce630c5781966bc9cfdc767db05a58928639f18e879ac1231c0544d745ca9f", kill_on_drop: false }` [INFO] [stdout] 81ce630c5781966bc9cfdc767db05a58928639f18e879ac1231c0544d745ca9f