[INFO] cloning repository https://github.com/jtbeckha/Sparkles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtbeckha/Sparkles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtbeckha%2FSparkles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtbeckha%2FSparkles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ba94cd7df9cde65212c17471624b877e93210ca
[INFO] building jtbeckha/Sparkles against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtbeckha%2FSparkles" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtbeckha/Sparkles on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jtbeckha/Sparkles
[INFO] finished tweaking git repo https://github.com/jtbeckha/Sparkles
[INFO] tweaked toml for git repo https://github.com/jtbeckha/Sparkles written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jtbeckha/Sparkles 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libpulse-binding v2.6.0
[INFO] [stderr]   Downloaded libpulse-simple-sys v1.5.0
[INFO] [stderr]   Downloaded libpulse-sys v1.5.0
[INFO] [stderr]   Downloaded simplelog v0.5.3
[INFO] [stderr]   Downloaded libpulse-simple-binding v2.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d5a1aad024b60d0532420db0ace710573ec469398e7d15978d5d4f6a6ae86c9
[INFO] running `Command { std: "docker" "start" "-a" "7d5a1aad024b60d0532420db0ace710573ec469398e7d15978d5d4f6a6ae86c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d5a1aad024b60d0532420db0ace710573ec469398e7d15978d5d4f6a6ae86c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5a1aad024b60d0532420db0ace710573ec469398e7d15978d5d4f6a6ae86c9", kill_on_drop: false }`
[INFO] [stdout] 7d5a1aad024b60d0532420db0ace710573ec469398e7d15978d5d4f6a6ae86c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fca77afa69ca5a5afecb663b70b09a17905e1ecd5f884ab9c48c20371d732738
[INFO] running `Command { std: "docker" "start" "-a" "fca77afa69ca5a5afecb663b70b09a17905e1ecd5f884ab9c48c20371d732738", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling libpulse-sys v1.5.0
[INFO] [stderr]    Compiling libpulse-simple-sys v1.5.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling termion v1.5.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling libpulse-binding v2.6.0
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling libpulse-simple-binding v2.6.1
[INFO] [stderr]    Compiling sparkles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use] extern crate log;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ByteOrder` and `NativeEndian`
[INFO] [stdout]  --> src/main.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use byteorder::{ByteOrder, NativeEndian};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::analyze::rms_amplitude`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::analyze::rms_amplitude;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `decode`
[INFO] [stdout]   --> src/main.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::decode::{decode, decode_stereo};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/audio_stream/pulse_simple.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn build() -> Box<Stream> {
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn build() -> Box<dyn Stream> {
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/audio_stream/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     panic!("Invalid audio stream_type");
[INFO] [stdout]    |     ----------------------------------- any code following this expression is unreachable
[INFO] [stdout] 22 |     return Option::None;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rms_amplitude` is never used
[INFO] [stdout]  --> src/analyze/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn rms_amplitude(samples: &mut Vec<f32>) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]   --> src/decode.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn decode(input: &[u8]) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw` is never used
[INFO] [stdout]   --> src/tty.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Tty<AlternateScreen<HideCursor<MouseTerminal<RawTerminal<Stdout>>>>> {
[INFO] [stdout]    | ------------------------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn draw(&mut self, meter: Meter) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `Command { std: "docker" "inspect" "fca77afa69ca5a5afecb663b70b09a17905e1ecd5f884ab9c48c20371d732738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca77afa69ca5a5afecb663b70b09a17905e1ecd5f884ab9c48c20371d732738", kill_on_drop: false }`
[INFO] [stdout] fca77afa69ca5a5afecb663b70b09a17905e1ecd5f884ab9c48c20371d732738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6265ce318e05963ad12976948b3de671cd23852bb031e34f31ffc2e85740f2db
[INFO] running `Command { std: "docker" "start" "-a" "6265ce318e05963ad12976948b3de671cd23852bb031e34f31ffc2e85740f2db", kill_on_drop: false }`
[INFO] [stderr]    Compiling sparkles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use] extern crate log;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ByteOrder` and `NativeEndian`
[INFO] [stdout]  --> src/main.rs:9:17
[INFO] [stdout]   |
[INFO] [stdout] 9 | use byteorder::{ByteOrder, NativeEndian};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::analyze::rms_amplitude`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::analyze::rms_amplitude;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `decode`
[INFO] [stdout]   --> src/main.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::decode::{decode, decode_stereo};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/audio_stream/pulse_simple.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn build() -> Box<Stream> {
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn build() -> Box<dyn Stream> {
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/audio_stream/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     panic!("Invalid audio stream_type");
[INFO] [stdout]    |     ----------------------------------- any code following this expression is unreachable
[INFO] [stdout] 22 |     return Option::None;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rms_amplitude` is never used
[INFO] [stdout]  --> src/analyze/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn rms_amplitude(samples: &mut Vec<f32>) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]   --> src/decode.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn decode(input: &[u8]) -> Vec<f32> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `draw` is never used
[INFO] [stdout]   --> src/tty.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Tty<AlternateScreen<HideCursor<MouseTerminal<RawTerminal<Stdout>>>>> {
[INFO] [stdout]    | ------------------------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn draw(&mut self, meter: Meter) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "6265ce318e05963ad12976948b3de671cd23852bb031e34f31ffc2e85740f2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6265ce318e05963ad12976948b3de671cd23852bb031e34f31ffc2e85740f2db", kill_on_drop: false }`
[INFO] [stdout] 6265ce318e05963ad12976948b3de671cd23852bb031e34f31ffc2e85740f2db