[INFO] cloning repository https://github.com/irh/freeverb-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/irh/freeverb-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firh%2Ffreeverb-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firh%2Ffreeverb-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b877287cfaced4c2872f126b0f0e595abb87dbd0
[INFO] testing irh/freeverb-rs against master#159ba8a92c9e2fa4121f106176309521f4af87e9+rustflags=-Copt-level=3 for pr-107051
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firh%2Ffreeverb-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/irh/freeverb-rs on toolchain 159ba8a92c9e2fa4121f106176309521f4af87e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/irh/freeverb-rs
[INFO] finished tweaking git repo https://github.com/irh/freeverb-rs
[INFO] tweaked toml for git repo https://github.com/irh/freeverb-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/irh/freeverb-rs 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" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clang-sys v1.1.0
[INFO] [stderr]   Downloaded tar v0.4.32
[INFO] [stderr]   Downloaded ringbuf v0.2.3
[INFO] [stderr]   Downloaded audio_thread_priority v0.3.0
[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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7814b59a98fefffc51388ea3315ddf85ce15109c21fe6aa81e7700a2eaaf6618
[INFO] running `Command { std: "docker" "start" "-a" "7814b59a98fefffc51388ea3315ddf85ce15109c21fe6aa81e7700a2eaaf6618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7814b59a98fefffc51388ea3315ddf85ce15109c21fe6aa81e7700a2eaaf6618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7814b59a98fefffc51388ea3315ddf85ce15109c21fe6aa81e7700a2eaaf6618", kill_on_drop: false }`
[INFO] [stdout] 7814b59a98fefffc51388ea3315ddf85ce15109c21fe6aa81e7700a2eaaf6618
[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 -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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0273bb7424a9ce7dcc976767e57e55e5325e537dfaa5a35e024913a3228671b2
[INFO] running `Command { std: "docker" "start" "-a" "0273bb7424a9ce7dcc976767e57e55e5325e537dfaa5a35e024913a3228671b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.70
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling gio v0.5.1
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling fragile v0.3.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[INFO] [stderr]    Compiling bumpalo v3.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling freeverb v0.1.0 (/opt/rustwide/workdir/src/freeverb)
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling gdk v0.9.0
[INFO] [stderr]    Compiling gtk v0.5.0
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.70
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling audio_module v0.0.1 (/opt/rustwide/workdir/src/audio_module)
[INFO] [stderr]    Compiling audio_thread_priority v0.3.0
[INFO] [stderr]    Compiling ringbuf v0.2.3
[INFO] [stderr]    Compiling freeverb-clib v0.0.1 (/opt/rustwide/workdir/src/clib)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/clib/src/lib.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Box::from_raw(freeverb);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling glib-sys v0.7.0
[INFO] [stderr]    Compiling gobject-sys v0.7.0
[INFO] [stderr]    Compiling gio-sys v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.7.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.7.0
[INFO] [stderr]    Compiling pango-sys v0.7.0
[INFO] [stderr]    Compiling gdk-sys v0.7.0
[INFO] [stderr]    Compiling atk-sys v0.7.0
[INFO] [stderr]    Compiling gtk-sys v0.7.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling glib v0.6.1
[INFO] [stderr]    Compiling pango v0.5.0
[INFO] [stderr]    Compiling alsa v0.4.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.70
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.70
[INFO] [stderr]    Compiling freeverb_module v0.1.0 (/opt/rustwide/workdir/src/freeverb_module)
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.70
[INFO] [stderr]    Compiling freeverb-wasm v0.0.1 (/opt/rustwide/workdir/examples/wasm)
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling freeverb-gtk v0.1.0 (/opt/rustwide/workdir/examples/app_gtk)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 58s
[INFO] running `Command { std: "docker" "inspect" "0273bb7424a9ce7dcc976767e57e55e5325e537dfaa5a35e024913a3228671b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0273bb7424a9ce7dcc976767e57e55e5325e537dfaa5a35e024913a3228671b2", kill_on_drop: false }`
[INFO] [stdout] 0273bb7424a9ce7dcc976767e57e55e5325e537dfaa5a35e024913a3228671b2
[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 -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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a56968a9049ce833c32bf9bd153f35c116c0e280cafa8c550aff12b4f0bf7f0e
[INFO] running `Command { std: "docker" "start" "-a" "a56968a9049ce833c32bf9bd153f35c116c0e280cafa8c550aff12b4f0bf7f0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling freeverb-clib v0.0.1 (/opt/rustwide/workdir/src/clib)
[INFO] [stderr]    Compiling freeverb v0.1.0 (/opt/rustwide/workdir/src/freeverb)
[INFO] [stderr]    Compiling audio_module v0.0.1 (/opt/rustwide/workdir/src/audio_module)
[INFO] [stderr]    Compiling freeverb_module v0.1.0 (/opt/rustwide/workdir/src/freeverb_module)
[INFO] [stderr]    Compiling freeverb-wasm v0.0.1 (/opt/rustwide/workdir/examples/wasm)
[INFO] [stderr]    Compiling freeverb-gtk v0.1.0 (/opt/rustwide/workdir/examples/app_gtk)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/clib/src/lib.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Box::from_raw(freeverb);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "a56968a9049ce833c32bf9bd153f35c116c0e280cafa8c550aff12b4f0bf7f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a56968a9049ce833c32bf9bd153f35c116c0e280cafa8c550aff12b4f0bf7f0e", kill_on_drop: false }`
[INFO] [stdout] a56968a9049ce833c32bf9bd153f35c116c0e280cafa8c550aff12b4f0bf7f0e
[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 -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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cdbf6b9954fad948878991e3b02a11c3b70331ac505f45a1cbc02127f96ec61f
[INFO] running `Command { std: "docker" "start" "-a" "cdbf6b9954fad948878991e3b02a11c3b70331ac505f45a1cbc02127f96ec61f", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/clib/src/lib.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Box::from_raw(freeverb);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `freeverb-clib` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/audio_module-c763a10de7a05fc9)
[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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/freeverb-45d1d325799bc54a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test delay_line::tests::length_3 ... ok
[INFO] [stdout] test all_pass::tests::basic_ticking ... ok
[INFO] [stdout] test comb::tests::basic_ticking ... ok
[INFO] [stdout] test freeverb::tests::ticking_does_something ... ok
[INFO] [stdout] test delay_line::tests::length_10 ... ok
[INFO] [stdout] test delay_line::tests::length_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/freeverb_clib-f1a0785d7008f787)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/freeverb_gtk-faf0a7810c9205a7)
[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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/freeverb_wasm-50eb66997ca01e5c)
[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] [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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/freeverb_module-f2493f3c35785975)
[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 audio_module
[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 freeverb
[INFO] [stderr] error[E0659]: `freeverb` is ambiguous
[INFO] [stderr]  --> /opt/rustwide/workdir/src/freeverb/src/lib.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub use freeverb::Freeverb;
[INFO] [stderr]   |         ^^^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: ambiguous because of multiple potential import sources
[INFO] [stderr]   = note: `freeverb` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::freeverb` to refer to this crate unambiguously
[INFO] [stderr] note: `freeverb` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/freeverb/src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | mod freeverb;
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::freeverb` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: doctest failed, to rerun pass `-p freeverb --doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name freeverb --test /opt/rustwide/workdir/src/freeverb/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps -L native=/usr/lib/x86_64-linux-gnu --extern freeverb=/opt/rustwide/target/debug/deps/libfreeverb-eea16fd54587bd25.rlib -C embed-bitcode=no --cap-lints=forbid --error-format human` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cdbf6b9954fad948878991e3b02a11c3b70331ac505f45a1cbc02127f96ec61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbf6b9954fad948878991e3b02a11c3b70331ac505f45a1cbc02127f96ec61f", kill_on_drop: false }`
[INFO] [stdout] cdbf6b9954fad948878991e3b02a11c3b70331ac505f45a1cbc02127f96ec61f