[INFO] fetching crate audio 0.2.0-alpha.3...
[INFO] checking audio-0.2.0-alpha.3 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate audio 0.2.0-alpha.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate audio 0.2.0-alpha.3 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate audio 0.2.0-alpha.3
[INFO] finished tweaking crates.io crate audio 0.2.0-alpha.3
[INFO] tweaked toml for crates.io crate audio 0.2.0-alpha.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6adcc1ab2a757414e9ca2a879985cade2041b59f07fe04c580040e0f23acb6c
[INFO] running `Command { std: "docker" "start" "-a" "d6adcc1ab2a757414e9ca2a879985cade2041b59f07fe04c580040e0f23acb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6adcc1ab2a757414e9ca2a879985cade2041b59f07fe04c580040e0f23acb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6adcc1ab2a757414e9ca2a879985cade2041b59f07fe04c580040e0f23acb6c", kill_on_drop: false }`
[INFO] [stdout] d6adcc1ab2a757414e9ca2a879985cade2041b59f07fe04c580040e0f23acb6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05501e6e3add416e6f21764bc1914c94a0429764d8542742790292dce054eb3f
[INFO] running `Command { std: "docker" "start" "-a" "05501e6e3add416e6f21764bc1914c94a0429764d8542742790292dce054eb3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bittle v0.1.1
[INFO] [stderr]     Checking audio v0.2.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:41:69
[INFO] [stdout]     |
[INFO] [stdout] 41  |         $crate::Dynamic::from_array([[$sample; $frames]; $channels]);
[INFO] [stdout]     |                                                                     ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests/dynamic.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let _ = crate::dynamic![[0.0; 1024]; 2];
[INFO] [stdout]     |             ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `crate::dynamic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/macros.rs:41:69
[INFO] [stdout]     |
[INFO] [stdout] 41  |         $crate::Dynamic::from_array([[$sample; $frames]; $channels]);
[INFO] [stdout]     |                                                                     ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests/sequential.rs:165:13
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let _ = crate::dynamic![[0.0; 128]; 2];
[INFO] [stdout]     |             ------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `crate::dynamic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "05501e6e3add416e6f21764bc1914c94a0429764d8542742790292dce054eb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05501e6e3add416e6f21764bc1914c94a0429764d8542742790292dce054eb3f", kill_on_drop: false }`
[INFO] [stdout] 05501e6e3add416e6f21764bc1914c94a0429764d8542742790292dce054eb3f