[INFO] fetching crate aubio-rs 0.2.0...
[INFO] checking aubio-rs-0.2.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate aubio-rs 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate aubio-rs 0.2.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aubio-rs 0.2.0
[INFO] finished tweaking crates.io crate aubio-rs 0.2.0
[INFO] tweaked toml for crates.io crate aubio-rs 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate aubio-rs 0.2.0 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.5.12
[INFO] [stderr]   Downloaded jobserver v0.1.22
[INFO] [stderr]   Downloaded fftw-sys v0.6.0
[INFO] [stderr]   Downloaded shlex v1.0.0
[INFO] [stderr]   Downloaded ftp v3.0.1
[INFO] [stderr]   Downloaded env_logger v0.8.3
[INFO] [stderr]   Downloaded flate2 v1.0.20
[INFO] [stderr]   Downloaded anyhow v1.0.40
[INFO] [stderr]   Downloaded bindgen v0.58.1
[INFO] [stderr]   Downloaded regex v1.4.6
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded fftw-src v0.3.3
[INFO] [stderr]   Downloaded aubio-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 656752b3d048e01dba03b070fca43dffc5c1778f5e5b42eda8dbe75c08a43b13
[INFO] running `Command { std: "docker" "start" "-a" "656752b3d048e01dba03b070fca43dffc5c1778f5e5b42eda8dbe75c08a43b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "656752b3d048e01dba03b070fca43dffc5c1778f5e5b42eda8dbe75c08a43b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656752b3d048e01dba03b070fca43dffc5c1778f5e5b42eda8dbe75c08a43b13", kill_on_drop: false }`
[INFO] [stdout] 656752b3d048e01dba03b070fca43dffc5c1778f5e5b42eda8dbe75c08a43b13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 523317c6df457241d4ac2aad8bf4a42c9dd67c5ada3876e4ec112f5ecfed4314
[INFO] running `Command { std: "docker" "start" "-a" "523317c6df457241d4ac2aad8bf4a42c9dd67c5ada3876e4ec112f5ecfed4314", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling aubio-sys v0.2.0
[INFO] [stderr]     Checking aubio-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/log.rs:122:16
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct Log(Box<dyn Logger>);
[INFO] [stdout]     |            --- ^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/log.rs:122:16
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub struct Log(Box<dyn Logger>);
[INFO] [stdout]     |            --- ^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "523317c6df457241d4ac2aad8bf4a42c9dd67c5ada3876e4ec112f5ecfed4314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523317c6df457241d4ac2aad8bf4a42c9dd67c5ada3876e4ec112f5ecfed4314", kill_on_drop: false }`
[INFO] [stdout] 523317c6df457241d4ac2aad8bf4a42c9dd67c5ada3876e4ec112f5ecfed4314