[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#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Firh%2Ffreeverb-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/irh/freeverb-rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-2/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[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-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01c0bbc55deb656b4d5c550c6708f2183f1e50d57daf9110284e7de25f8ff0ec
[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" "01c0bbc55deb656b4d5c550c6708f2183f1e50d57daf9110284e7de25f8ff0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01c0bbc55deb656b4d5c550c6708f2183f1e50d57daf9110284e7de25f8ff0ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c0bbc55deb656b4d5c550c6708f2183f1e50d57daf9110284e7de25f8ff0ec", kill_on_drop: false }`
[INFO] [stdout] 01c0bbc55deb656b4d5c550c6708f2183f1e50d57daf9110284e7de25f8ff0ec
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd47da0a02cecbb395852fef9d936440ae0a3f8b652c09e190d55cfb7f9f8fc4
[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" "bd47da0a02cecbb395852fef9d936440ae0a3f8b652c09e190d55cfb7f9f8fc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cfg-if v1.0.0
[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 autocfg v1.0.1
[INFO] [stderr]    Compiling gdk-pixbuf v0.5.0
[INFO] [stderr]    Compiling fragile v0.3.0
[INFO] [stderr]    Compiling freeverb v0.1.0 (/opt/rustwide/workdir/src/freeverb)
[INFO] [stderr]    Compiling gdk v0.9.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling gtk v0.5.0
[INFO] [stderr]    Compiling cpal v0.13.1
[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 cairo-sys-rs v0.7.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys 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 alsa-sys v0.3.1
[INFO] [stderr]    Compiling gtk-sys v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling freeverb-clib v0.0.1 (/opt/rustwide/workdir/src/clib)
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling audio_thread_priority v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling glib v0.6.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.70
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.70
[INFO] [stderr]    Compiling alsa v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling freeverb_module v0.1.0 (/opt/rustwide/workdir/src/freeverb_module)
[INFO] [stderr]    Compiling pango v0.5.0
[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 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 3m 06s
[INFO] running `Command { std: "docker" "inspect" "bd47da0a02cecbb395852fef9d936440ae0a3f8b652c09e190d55cfb7f9f8fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd47da0a02cecbb395852fef9d936440ae0a3f8b652c09e190d55cfb7f9f8fc4", kill_on_drop: false }`
[INFO] [stdout] bd47da0a02cecbb395852fef9d936440ae0a3f8b652c09e190d55cfb7f9f8fc4
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76685c5529888c2b76131600ef31ce4d65b21b9f2ab0f897a56644362dc783bd
[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" "76685c5529888c2b76131600ef31ce4d65b21b9f2ab0f897a56644362dc783bd", kill_on_drop: false }`
[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-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-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 test [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "76685c5529888c2b76131600ef31ce4d65b21b9f2ab0f897a56644362dc783bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76685c5529888c2b76131600ef31ce4d65b21b9f2ab0f897a56644362dc783bd", kill_on_drop: false }`
[INFO] [stdout] 76685c5529888c2b76131600ef31ce4d65b21b9f2ab0f897a56644362dc783bd
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 555ed1470b1035e676f7a67afad6a8763769827b5d2168f05acad85560c4cba2
[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" "555ed1470b1035e676f7a67afad6a8763769827b5d2168f05acad85560c4cba2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/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 (/opt/rustwide/target/debug/deps/freeverb-45d1d325799bc54a)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[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 all_pass::tests::basic_ticking ... 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 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/freeverb_clib-f1a0785d7008f787)
[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-faf0a7810c9205a7)
[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-50eb66997ca01e5c)
[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-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: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "555ed1470b1035e676f7a67afad6a8763769827b5d2168f05acad85560c4cba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555ed1470b1035e676f7a67afad6a8763769827b5d2168f05acad85560c4cba2", kill_on_drop: false }`
[INFO] [stdout] 555ed1470b1035e676f7a67afad6a8763769827b5d2168f05acad85560c4cba2