[INFO] cloning repository https://github.com/nevercodin/BOOSTRAPCLASS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nevercodin/BOOSTRAPCLASS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnevercodin%2FBOOSTRAPCLASS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnevercodin%2FBOOSTRAPCLASS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a675e6e1a1078398b2c637f81dcdae283cd9cb6f
[INFO] checking nevercodin/BOOSTRAPCLASS against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnevercodin%2FBOOSTRAPCLASS" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nevercodin/BOOSTRAPCLASS on toolchain 092a284ba0421695f2032c947765429fd7095796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nevercodin/BOOSTRAPCLASS
[INFO] finished tweaking git repo https://github.com/nevercodin/BOOSTRAPCLASS
[INFO] tweaked toml for git repo https://github.com/nevercodin/BOOSTRAPCLASS written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nevercodin/BOOSTRAPCLASS 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" "+092a284ba0421695f2032c947765429fd7095796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b1bdd3cd29e2b45a30d396ef7ddaf9e509b3df0ee78f47d500e57a9ad219222
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[INFO] running `Command { std: "docker" "inspect" "2b1bdd3cd29e2b45a30d396ef7ddaf9e509b3df0ee78f47d500e57a9ad219222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1bdd3cd29e2b45a30d396ef7ddaf9e509b3df0ee78f47d500e57a9ad219222", kill_on_drop: false }`
[INFO] [stdout] 2b1bdd3cd29e2b45a30d396ef7ddaf9e509b3df0ee78f47d500e57a9ad219222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cd0529cbc560131827c6111ffa771b817ec96c310ab0fd7012b9e3c6b7137fa
[INFO] running `Command { std: "docker" "start" "-a" "4cd0529cbc560131827c6111ffa771b817ec96c310ab0fd7012b9e3c6b7137fa", 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:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Inst {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] 14 |     //fn new(inst_number: usize, vol: u8, pan: u8, exp: u8) -> Self;
[INFO] [stdout] 15 |     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:40:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait Voice {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 40 |     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:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | 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:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Inst {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] 14 |     //fn new(inst_number: usize, vol: u8, pan: u8, exp: u8) -> Self;
[INFO] [stdout] 15 |     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:40:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub trait Voice {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 40 |     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:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | 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:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     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] 40 |     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:40:14
[INFO] [stdout]    |
[INFO] [stdout] 40 |     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] 40 |     unsafe { let _ = Box::from_raw(rust_msgf); };
[INFO] [stdout]    |              +++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "4cd0529cbc560131827c6111ffa771b817ec96c310ab0fd7012b9e3c6b7137fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd0529cbc560131827c6111ffa771b817ec96c310ab0fd7012b9e3c6b7137fa", kill_on_drop: false }`
[INFO] [stdout] 4cd0529cbc560131827c6111ffa771b817ec96c310ab0fd7012b9e3c6b7137fa