[INFO] fetching crate bs1770 1.0.0...
[INFO] testing bs1770-1.0.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate bs1770 1.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate bs1770 1.0.0
[INFO] finished tweaking crates.io crate bs1770 1.0.0
[INFO] tweaked toml for crates.io crate bs1770 1.0.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bs1770 1.0.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bs1770 1.0.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded hound v3.4.0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e9c3d9b4ef45788b1dc785868900837d53ce448e93260dbee8a12065f5e4e8f
[INFO] running `Command { std: "docker" "start" "-a" "1e9c3d9b4ef45788b1dc785868900837d53ce448e93260dbee8a12065f5e4e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e9c3d9b4ef45788b1dc785868900837d53ce448e93260dbee8a12065f5e4e8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9c3d9b4ef45788b1dc785868900837d53ce448e93260dbee8a12065f5e4e8f", kill_on_drop: false }`
[INFO] [stdout] 1e9c3d9b4ef45788b1dc785868900837d53ce448e93260dbee8a12065f5e4e8f
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2a1cc2d917959a7766a8b75e6af0530cb9794e04fae3b7725be6604b0fa1b3e4
[INFO] running `Command { std: "docker" "start" "-a" "2a1cc2d917959a7766a8b75e6af0530cb9794e04fae3b7725be6604b0fa1b3e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling bs1770 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "2a1cc2d917959a7766a8b75e6af0530cb9794e04fae3b7725be6604b0fa1b3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a1cc2d917959a7766a8b75e6af0530cb9794e04fae3b7725be6604b0fa1b3e4", kill_on_drop: false }`
[INFO] [stdout] 2a1cc2d917959a7766a8b75e6af0530cb9794e04fae3b7725be6604b0fa1b3e4
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 43744453890c8392dea2861717503fcb6685814e826f07c5fc9122139237a0ca
[INFO] running `Command { std: "docker" "start" "-a" "43744453890c8392dea2861717503fcb6685814e826f07c5fc9122139237a0ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling bs1770 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mean_power`
[INFO] [stdout]   --> examples/waveform.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let mean_power = bs1770::gated_mean(zipped.as_ref());
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mean_power`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `copy_file_range` in crate `libc`
[INFO] [stdout]    --> examples/flacgain.rs:368:19
[INFO] [stdout]     |
[INFO] [stdout] 368 |             libc::copy_file_range(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.76/src/unix/linux_like/linux/musl/b64/x86_64/mod.rs:594:1
[INFO] [stdout]     |
[INFO] [stdout] 594 | pub const SYS_copy_file_range: ::c_long = 326;
[INFO] [stdout]     | --------------------------------------- similarly named constant `SYS_copy_file_range` defined here
[INFO] [stdout]     |
[INFO] [stdout] help: a constant with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 368 |             libc::SYS_copy_file_range(
[INFO] [stdout]     |                   ++++
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 11  + use crate::copy_file_range;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `copy_file_range`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 368 -             libc::copy_file_range(
[INFO] [stdout] 368 +             copy_file_range(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bs1770` (example "flacgain") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "43744453890c8392dea2861717503fcb6685814e826f07c5fc9122139237a0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43744453890c8392dea2861717503fcb6685814e826f07c5fc9122139237a0ca", kill_on_drop: false }`
[INFO] [stdout] 43744453890c8392dea2861717503fcb6685814e826f07c5fc9122139237a0ca