[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#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firh%2Ffreeverb-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/irh/freeverb-rs on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-4/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: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54891d75be7f92d90bf69718308bd0b67c2e9d8cb06c047cf79476bdfdd63753
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "54891d75be7f92d90bf69718308bd0b67c2e9d8cb06c047cf79476bdfdd63753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54891d75be7f92d90bf69718308bd0b67c2e9d8cb06c047cf79476bdfdd63753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54891d75be7f92d90bf69718308bd0b67c2e9d8cb06c047cf79476bdfdd63753", kill_on_drop: false }`
[INFO] [stdout] 54891d75be7f92d90bf69718308bd0b67c2e9d8cb06c047cf79476bdfdd63753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18d8b5f61410e5fd0244bb8f8350886fc84fca1aa01fb7cdcc4b854574f97522
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "18d8b5f61410e5fd0244bb8f8350886fc84fca1aa01fb7cdcc4b854574f97522", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling gio v0.5.1
[INFO] [stderr]    Compiling cairo-rs v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling gdk v0.9.0
[INFO] [stderr]    Compiling freeverb v0.1.0 (/opt/rustwide/workdir/src/freeverb)
[INFO] [stderr]    Compiling gtk v0.5.0
[INFO] [stderr]    Compiling audio_module v0.0.1 (/opt/rustwide/workdir/src/audio_module)
[INFO] [stderr]    Compiling ringbuf v0.2.3
[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 crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling freeverb-clib v0.0.1 (/opt/rustwide/workdir/src/clib)
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling audio_thread_priority v0.3.0
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling glib v0.6.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[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 freeverb_module v0.1.0 (/opt/rustwide/workdir/src/freeverb_module)
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.70
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.70
[INFO] [stderr]    Compiling wasm-bindgen v0.2.70
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling cpal v0.13.1
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "18d8b5f61410e5fd0244bb8f8350886fc84fca1aa01fb7cdcc4b854574f97522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d8b5f61410e5fd0244bb8f8350886fc84fca1aa01fb7cdcc4b854574f97522", kill_on_drop: false }`
[INFO] [stdout] 18d8b5f61410e5fd0244bb8f8350886fc84fca1aa01fb7cdcc4b854574f97522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f3942a7e903b40d50ac18ea7c9c62fd63f5c2a333f07c47563b224d587be287
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6f3942a7e903b40d50ac18ea7c9c62fd63f5c2a333f07c47563b224d587be287", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling audio_module v0.0.1 (/opt/rustwide/workdir/src/audio_module)
[INFO] [stderr]    Compiling freeverb v0.1.0 (/opt/rustwide/workdir/src/freeverb)
[INFO] [stderr]    Compiling freeverb-clib v0.0.1 (/opt/rustwide/workdir/src/clib)
[INFO] [stderr]    Compiling freeverb_module v0.1.0 (/opt/rustwide/workdir/src/freeverb_module)
[INFO] [stderr]    Compiling freeverb-gtk v0.1.0 (/opt/rustwide/workdir/examples/app_gtk)
[INFO] [stderr]    Compiling freeverb-wasm v0.0.1 (/opt/rustwide/workdir/examples/wasm)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "6f3942a7e903b40d50ac18ea7c9c62fd63f5c2a333f07c47563b224d587be287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3942a7e903b40d50ac18ea7c9c62fd63f5c2a333f07c47563b224d587be287", kill_on_drop: false }`
[INFO] [stdout] 6f3942a7e903b40d50ac18ea7c9c62fd63f5c2a333f07c47563b224d587be287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89537b1d6ff69c73862fc82f6ad5f7777905515477aa3465c550bae3745aba71
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "89537b1d6ff69c73862fc82f6ad5f7777905515477aa3465c550bae3745aba71", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/audio_module-96907610a47309f4)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/freeverb-d64c7ca62b750395)
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test all_pass::tests::basic_ticking ... ok
[INFO] [stdout] test delay_line::tests::length_1 ... ok
[INFO] [stdout] test comb::tests::basic_ticking ... ok
[INFO] [stdout] test delay_line::tests::length_10 ... ok
[INFO] [stdout] test delay_line::tests::length_3 ... ok
[INFO] [stdout] test freeverb::tests::ticking_does_something ... 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 (/opt/rustwide/target/debug/deps/freeverb_clib-a34dbac6c086880e)
[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 (/opt/rustwide/target/debug/deps/freeverb_gtk-ce9a6950e5e09f0c)
[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 (/opt/rustwide/target/debug/deps/freeverb_wasm-bb7333230b89ba7a)
[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 (/opt/rustwide/target/debug/deps/freeverb_module-533dbfab00e466dd)
[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 (name vs any other name during import resolution)
[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: `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: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "89537b1d6ff69c73862fc82f6ad5f7777905515477aa3465c550bae3745aba71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89537b1d6ff69c73862fc82f6ad5f7777905515477aa3465c550bae3745aba71", kill_on_drop: false }`
[INFO] [stdout] 89537b1d6ff69c73862fc82f6ad5f7777905515477aa3465c550bae3745aba71