[INFO] cloning repository https://github.com/hasebems/Musical_Sound_Generator_Framework_by_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hasebems/Musical_Sound_Generator_Framework_by_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasebems%2FMusical_Sound_Generator_Framework_by_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasebems%2FMusical_Sound_Generator_Framework_by_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cdc661a4d4e433a0f6f7fd89946fa988db7a79a
[INFO] checking hasebems/Musical_Sound_Generator_Framework_by_Rust/9cdc661a4d4e433a0f6f7fd89946fa988db7a79a against master#ac385a5af6d9fa8399a0cec799833cd28324abf8 for pr-125107
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasebems%2FMusical_Sound_Generator_Framework_by_Rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hasebems/Musical_Sound_Generator_Framework_by_Rust on toolchain ac385a5af6d9fa8399a0cec799833cd28324abf8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ac385a5af6d9fa8399a0cec799833cd28324abf8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hasebems/Musical_Sound_Generator_Framework_by_Rust
[INFO] finished tweaking git repo https://github.com/hasebems/Musical_Sound_Generator_Framework_by_Rust
[INFO] tweaked toml for git repo https://github.com/hasebems/Musical_Sound_Generator_Framework_by_Rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hasebems/Musical_Sound_Generator_Framework_by_Rust 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" "+ac385a5af6d9fa8399a0cec799833cd28324abf8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+ac385a5af6d9fa8399a0cec799833cd28324abf8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] beb168949568da1848fc2dad31e3d3d2c2551a01df3e81a78cd5dbfa7af2fb07
[INFO] running `Command { std: "docker" "start" "-a" "beb168949568da1848fc2dad31e3d3d2c2551a01df3e81a78cd5dbfa7af2fb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "beb168949568da1848fc2dad31e3d3d2c2551a01df3e81a78cd5dbfa7af2fb07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb168949568da1848fc2dad31e3d3d2c2551a01df3e81a78cd5dbfa7af2fb07", kill_on_drop: false }`
[INFO] [stdout] beb168949568da1848fc2dad31e3d3d2c2551a01df3e81a78cd5dbfa7af2fb07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+ac385a5af6d9fa8399a0cec799833cd28324abf8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7a53ab492584694125e361a2a5196a91463e768ad75e6983348c89a5b7ac79b
[INFO] running `Command { std: "docker" "start" "-a" "c7a53ab492584694125e361a2a5196a91463e768ad75e6983348c89a5b7ac79b", kill_on_drop: false }`
[INFO] [stderr]     Checking msgf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `change_inst` is never used
[INFO] [stdout]   --> src/core/msgf_inst.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Inst {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] 13 |     //fn new(inst_number: usize, vol: u8, pan: u8, exp: u8) -> Self;
[INFO] [stdout] 14 |     fn change_inst(&mut self, inst_number: usize, vol: u8, pan: u8, exp: u8);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `velocity` is never used
[INFO] [stdout]   --> src/core/msgf_voice.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub trait Voice {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn velocity(&self) -> u8;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BiquadParameter` is never constructed
[INFO] [stdout]   --> src/engine/msgf_biquad.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct BiquadParameter {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BiquadParameter` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `change_inst` is never used
[INFO] [stdout]   --> src/core/msgf_inst.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Inst {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] 13 |     //fn new(inst_number: usize, vol: u8, pan: u8, exp: u8) -> Self;
[INFO] [stdout] 14 |     fn change_inst(&mut self, inst_number: usize, vol: u8, pan: u8, exp: u8);
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `velocity` is never used
[INFO] [stdout]   --> src/core/msgf_voice.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub trait Voice {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn velocity(&self) -> u8;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BiquadParameter` is never constructed
[INFO] [stdout]   --> src/engine/msgf_biquad.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct BiquadParameter {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BiquadParameter` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/lib.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 39 |     unsafe { Box::from_raw(rust_msgf) };
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |     unsafe { let _ = Box::from_raw(rust_msgf); };
[INFO] [stdout]    |              +++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/lib.rs:39:14
[INFO] [stdout]    |
[INFO] [stdout] 39 |     unsafe { Box::from_raw(rust_msgf) };
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 39 |     unsafe { let _ = Box::from_raw(rust_msgf); };
[INFO] [stdout]    |              +++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "c7a53ab492584694125e361a2a5196a91463e768ad75e6983348c89a5b7ac79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a53ab492584694125e361a2a5196a91463e768ad75e6983348c89a5b7ac79b", kill_on_drop: false }`
[INFO] [stdout] c7a53ab492584694125e361a2a5196a91463e768ad75e6983348c89a5b7ac79b