[INFO] fetching crate mkaudiolibrary 0.3.0...
[INFO] testing mkaudiolibrary-0.3.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate mkaudiolibrary 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mkaudiolibrary 0.3.0
[INFO] finished tweaking crates.io crate mkaudiolibrary 0.3.0
[INFO] tweaked toml for crates.io crate mkaudiolibrary 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkaudiolibrary 0.3.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mkaudiolibrary 0.3.0 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d4adf4790b78aa4589899aaf213b6a6b304ef7b86fad9cdf51c0586385ab335
[INFO] running `Command { std: "docker" "start" "-a" "2d4adf4790b78aa4589899aaf213b6a6b304ef7b86fad9cdf51c0586385ab335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d4adf4790b78aa4589899aaf213b6a6b304ef7b86fad9cdf51c0586385ab335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4adf4790b78aa4589899aaf213b6a6b304ef7b86fad9cdf51c0586385ab335", kill_on_drop: false }`
[INFO] [stdout] 2d4adf4790b78aa4589899aaf213b6a6b304ef7b86fad9cdf51c0586385ab335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2f22b3bc9a4378217c956299a0d4c8c184bb9a12202a79927999d9ec2944b04
[INFO] running `Command { std: "docker" "start" "-a" "f2f22b3bc9a4378217c956299a0d4c8c184bb9a12202a79927999d9ec2944b04", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling no_denormals v0.1.2
[INFO] [stderr]    Compiling mkaudiolibrary v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `integer_sign_cast` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(integer_sign_cast)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "f2f22b3bc9a4378217c956299a0d4c8c184bb9a12202a79927999d9ec2944b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f22b3bc9a4378217c956299a0d4c8c184bb9a12202a79927999d9ec2944b04", kill_on_drop: false }`
[INFO] [stdout] f2f22b3bc9a4378217c956299a0d4c8c184bb9a12202a79927999d9ec2944b04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f035442834fdfa6095e59902dd83e3bb5acc852fe9860c5e426d4918932c883
[INFO] running `Command { std: "docker" "start" "-a" "1f035442834fdfa6095e59902dd83e3bb5acc852fe9860c5e426d4918932c883", kill_on_drop: false }`
[INFO] [stderr]    Compiling mkaudiolibrary v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `integer_sign_cast` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(integer_sign_cast)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `integer_sign_cast` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(integer_sign_cast)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "1f035442834fdfa6095e59902dd83e3bb5acc852fe9860c5e426d4918932c883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f035442834fdfa6095e59902dd83e3bb5acc852fe9860c5e426d4918932c883", kill_on_drop: false }`
[INFO] [stdout] 1f035442834fdfa6095e59902dd83e3bb5acc852fe9860c5e426d4918932c883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af9f097051d0e7482daae4774a148693a2f33ed47f3d0e0ea2a21a4c7326690d
[INFO] running `Command { std: "docker" "start" "-a" "af9f097051d0e7482daae4774a148693a2f33ed47f3d0e0ea2a21a4c7326690d", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `integer_sign_cast` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(integer_sign_cast)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mkaudiolibrary` (lib) generated 1 warning
[INFO] [stderr] warning: `mkaudiolibrary` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mkaudiolibrary-59850dd3e07051d7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mkaudiolibrary
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - processor (line 18) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - processor (line 18) stdout ----
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `mkaudiolibrary::buffer::Buffer<_>` in the current scope
[INFO] [stdout]   --> src/lib.rs:31:135
[INFO] [stdout]    |
[INFO] [stdout] 16 | ...ormat!("parameter"), 0.5)], internal_buffer : Buffer::new(1024).unwrap() } } }
[INFO] [stdout]    |                                                                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `swap` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/slice/mod.rs:899:5
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for unit type `()` in the current scope
[INFO] [stdout]   --> src/lib.rs:41:120
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn prepare_to_play(&mut self, buffer_size : usize, sample_rate : usize) { self.internal_buffer.resize(buffer_size).unwrap(); }
[INFO] [stdout]    |                                                                                                                        ^^^^^^ method not found in `()`
[INFO] [stdout]    |
[INFO] [stdout] note: method `resize` modifies its receiver in-place
[INFO] [stdout]   --> src/lib.rs:41:100
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn prepare_to_play(&mut self, buffer_size : usize, sample_rate : usize) { self.internal_buffer.resize(buffer_size).unwrap(); }
[INFO] [stdout]    |                                                                                                    ^^^^^^ this call modifies its receiver in-place
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - processor (line 18)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "af9f097051d0e7482daae4774a148693a2f33ed47f3d0e0ea2a21a4c7326690d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9f097051d0e7482daae4774a148693a2f33ed47f3d0e0ea2a21a4c7326690d", kill_on_drop: false }`
[INFO] [stdout] af9f097051d0e7482daae4774a148693a2f33ed47f3d0e0ea2a21a4c7326690d
