[INFO] fetching crate kissfft-sys 0.1.0...
[INFO] testing kissfft-sys-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate kissfft-sys 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate kissfft-sys 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kissfft-sys 0.1.0
[INFO] finished tweaking crates.io crate kissfft-sys 0.1.0
[INFO] tweaked toml for crates.io crate kissfft-sys 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d1fae3e208e795fefceeddb7e409102a7c2420d84a0294a6fe8cdffa4e0332f0
[INFO] running `Command { std: "docker" "start" "-a" "d1fae3e208e795fefceeddb7e409102a7c2420d84a0294a6fe8cdffa4e0332f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1fae3e208e795fefceeddb7e409102a7c2420d84a0294a6fe8cdffa4e0332f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1fae3e208e795fefceeddb7e409102a7c2420d84a0294a6fe8cdffa4e0332f0", kill_on_drop: false }`
[INFO] [stdout] d1fae3e208e795fefceeddb7e409102a7c2420d84a0294a6fe8cdffa4e0332f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 530387be4e53a43155d3a04fb3b014842767d2e08409f360834dfd88a80e0457
[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" "530387be4e53a43155d3a04fb3b014842767d2e08409f360834dfd88a80e0457", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling kissfft-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.48s
[INFO] running `Command { std: "docker" "inspect" "530387be4e53a43155d3a04fb3b014842767d2e08409f360834dfd88a80e0457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530387be4e53a43155d3a04fb3b014842767d2e08409f360834dfd88a80e0457", kill_on_drop: false }`
[INFO] [stdout] 530387be4e53a43155d3a04fb3b014842767d2e08409f360834dfd88a80e0457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a47abe5329a2f9e17efc2f68dbe48be9383cc1c61f3f375b51514d08cc9a8c8
[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" "2a47abe5329a2f9e17efc2f68dbe48be9383cc1c61f3f375b51514d08cc9a8c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling kissfft-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/bindings.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |         unsafe { &(*(::std::ptr::null::<kiss_fft_cpx>())).r as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/bindings.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 36 |         unsafe { &(*(::std::ptr::null::<kiss_fft_cpx>())).i as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "2a47abe5329a2f9e17efc2f68dbe48be9383cc1c61f3f375b51514d08cc9a8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a47abe5329a2f9e17efc2f68dbe48be9383cc1c61f3f375b51514d08cc9a8c8", kill_on_drop: false }`
[INFO] [stdout] 2a47abe5329a2f9e17efc2f68dbe48be9383cc1c61f3f375b51514d08cc9a8c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c376d064a18f48e7731f1d5aa274ac97aaa3c678e09044c15b05ae099c66d64
[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" "0c376d064a18f48e7731f1d5aa274ac97aaa3c678e09044c15b05ae099c66d64", kill_on_drop: false }`
[INFO] [stderr] warning: dereferencing a null pointer
[INFO] [stderr]   --> src/bindings.rs:26:19
[INFO] [stderr]    |
[INFO] [stderr] 26 |         unsafe { &(*(::std::ptr::null::<kiss_fft_cpx>())).r as *const _ as usize },
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: dereferencing a null pointer
[INFO] [stderr]   --> src/bindings.rs:36:19
[INFO] [stderr]    |
[INFO] [stderr] 36 |         unsafe { &(*(::std::ptr::null::<kiss_fft_cpx>())).i as *const _ as usize },
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stderr] 
[INFO] [stderr] warning: `kissfft-sys` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kissfft_sys-2fd7aaf9e971177e)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests kissfft-sys
[INFO] [stdout] test bindings::bindgen_test_layout_kiss_fft_cpx ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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] running `Command { std: "docker" "inspect" "0c376d064a18f48e7731f1d5aa274ac97aaa3c678e09044c15b05ae099c66d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c376d064a18f48e7731f1d5aa274ac97aaa3c678e09044c15b05ae099c66d64", kill_on_drop: false }`
[INFO] [stdout] 0c376d064a18f48e7731f1d5aa274ac97aaa3c678e09044c15b05ae099c66d64