[INFO] fetching crate audrey 0.2.0... [INFO] checking audrey-0.2.0 against beta for pr-78714 [INFO] extracting crate audrey 0.2.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate audrey 0.2.0 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate audrey 0.2.0 [INFO] finished tweaking crates.io crate audrey 0.2.0 [INFO] tweaked toml for crates.io crate audrey 0.2.0 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 69de8055dd244dd6ee65275b87d8c32627c164ca12d5903a1a7091b29b3f7219 [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" "69de8055dd244dd6ee65275b87d8c32627c164ca12d5903a1a7091b29b3f7219", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69de8055dd244dd6ee65275b87d8c32627c164ca12d5903a1a7091b29b3f7219", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69de8055dd244dd6ee65275b87d8c32627c164ca12d5903a1a7091b29b3f7219", kill_on_drop: false }` [INFO] [stdout] 69de8055dd244dd6ee65275b87d8c32627c164ca12d5903a1a7091b29b3f7219 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1279a35c49b3b9f3102fe49ac8d2dd8a11bf40148285b6bf94c4af39293fc278 [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" "1279a35c49b3b9f3102fe49ac8d2dd8a11bf40148285b6bf94c4af39293fc278", kill_on_drop: false }` [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking sample v0.9.1 [INFO] [stderr] Checking claxon v0.4.3 [INFO] [stderr] Checking alac v0.3.3 [INFO] [stderr] Checking ogg v0.5.1 [INFO] [stderr] Checking caf v0.1.0 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Checking lewton v0.7.0 [INFO] [stderr] Checking cpal v0.5.1 [INFO] [stderr] Checking audrey v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/caf_alac.rs:19:26 [INFO] [stdout] | [INFO] [stdout] 19 | let caf_reader = try!(CafPacketReader::new(rdr, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/caf_alac.rs:30:23 [INFO] [stdout] | [INFO] [stdout] 30 | let decoder = try!(Decoder::from_cookie(&cookie) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/caf_alac.rs:42:28 [INFO] [stdout] | [INFO] [stdout] 42 | let packet = match try!(self.caf_reader.next_packet()) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/caf_alac.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | try!(self.alac_decoder.decode_packet(&packet, &mut output_buf) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:184:20 [INFO] [stdout] | [INFO] [stdout] 184 | let file = try!(std::fs::File::open(path)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:209:13 [INFO] [stdout] | [INFO] [stdout] 209 | try!(reader.seek(std::io::SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:211:39 [INFO] [stdout] | [INFO] [stdout] 211 | return Ok(Reader::Wav(try!(hound::WavReader::new(reader)))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 222 | try!(reader.seek(std::io::SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:224:40 [INFO] [stdout] | [INFO] [stdout] 224 | return Ok(Reader::Flac(try!(claxon::FlacReader::new(reader)))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:236:13 [INFO] [stdout] | [INFO] [stdout] 236 | try!(reader.seek(std::io::SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:238:45 [INFO] [stdout] | [INFO] [stdout] 238 | return Ok(Reader::OggVorbis(try!(lewton::inside_ogg::OggStreamReader::new(reader)))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:252:13 [INFO] [stdout] | [INFO] [stdout] 252 | try!(reader.seek(std::io::SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:254:43 [INFO] [stdout] | [INFO] [stdout] 254 | return Ok(Reader::CafAlac(try!(super::caf_alac::AlacReader::new(reader)).unwrap())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read.rs:563:32 [INFO] [stdout] | [INFO] [stdout] 563 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read.rs:587:32 [INFO] [stdout] | [INFO] [stdout] 587 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/caf_alac.rs:19:26 [INFO] [stdout] | [INFO] [stdout] 19 | let caf_reader = try!(CafPacketReader::new(rdr, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/caf_alac.rs:30:23 [INFO] [stdout] | [INFO] [stdout] 30 | let decoder = try!(Decoder::from_cookie(&cookie) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/caf_alac.rs:42:28 [INFO] [stdout] | [INFO] [stdout] 42 | let packet = match try!(self.caf_reader.next_packet()) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/caf_alac.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | try!(self.alac_decoder.decode_packet(&packet, &mut output_buf) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:184:20 [INFO] [stdout] | [INFO] [stdout] 184 | let file = try!(std::fs::File::open(path)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:209:13 [INFO] [stdout] | [INFO] [stdout] 209 | try!(reader.seek(std::io::SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:211:39 [INFO] [stdout] | [INFO] [stdout] 211 | return Ok(Reader::Wav(try!(hound::WavReader::new(reader)))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 222 | try!(reader.seek(std::io::SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:224:40 [INFO] [stdout] | [INFO] [stdout] 224 | return Ok(Reader::Flac(try!(claxon::FlacReader::new(reader)))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:236:13 [INFO] [stdout] | [INFO] [stdout] 236 | try!(reader.seek(std::io::SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:238:45 [INFO] [stdout] | [INFO] [stdout] 238 | return Ok(Reader::OggVorbis(try!(lewton::inside_ogg::OggStreamReader::new(reader)))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:252:13 [INFO] [stdout] | [INFO] [stdout] 252 | try!(reader.seek(std::io::SeekFrom::Start(0))); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/read.rs:254:43 [INFO] [stdout] | [INFO] [stdout] 254 | return Ok(Reader::CafAlac(try!(super::caf_alac::AlacReader::new(reader)).unwrap())); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read.rs:563:32 [INFO] [stdout] | [INFO] [stdout] 563 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read.rs:587:32 [INFO] [stdout] | [INFO] [stdout] 587 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error` [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:552:43 [INFO] [stdout] | [INFO] [stdout] 552 | FormatError::Flac(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:554:48 [INFO] [stdout] | [INFO] [stdout] 554 | 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:556:42 [INFO] [stdout] | [INFO] [stdout] 556 | 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:558:42 [INFO] [stdout] | [INFO] [stdout] 558 | 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:582:39 [INFO] [stdout] | [INFO] [stdout] 582 | 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:552:43 [INFO] [stdout] | [INFO] [stdout] 552 | FormatError::Flac(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:554:48 [INFO] [stdout] | [INFO] [stdout] 554 | 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:556:42 [INFO] [stdout] | [INFO] [stdout] 556 | 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:558:42 [INFO] [stdout] | [INFO] [stdout] 558 | 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:582:39 [INFO] [stdout] | [INFO] [stdout] 582 | 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:583:43 [INFO] [stdout] | [INFO] [stdout] 583 | 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:610:17 [INFO] [stdout] | [INFO] [stdout] 610 | 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:621:33 [INFO] [stdout] | [INFO] [stdout] 621 | 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:583:43 [INFO] [stdout] | [INFO] [stdout] 583 | 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:610:17 [INFO] [stdout] | [INFO] [stdout] 610 | 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:621:33 [INFO] [stdout] | [INFO] [stdout] 621 | 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:416:25 [INFO] [stdout] | [INFO] [stdout] 416 | 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:456:25 [INFO] [stdout] | [INFO] [stdout] 456 | 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: 25 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:416:25 [INFO] [stdout] | [INFO] [stdout] 416 | 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:456:25 [INFO] [stdout] | [INFO] [stdout] 456 | 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: 25 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.41s [INFO] running `Command { std: "docker" "inspect" "1279a35c49b3b9f3102fe49ac8d2dd8a11bf40148285b6bf94c4af39293fc278", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1279a35c49b3b9f3102fe49ac8d2dd8a11bf40148285b6bf94c4af39293fc278", kill_on_drop: false }` [INFO] [stdout] 1279a35c49b3b9f3102fe49ac8d2dd8a11bf40148285b6bf94c4af39293fc278