[INFO] fetching crate webrtc-vad 0.4.0...
[INFO] checking webrtc-vad-0.4.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate webrtc-vad 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate webrtc-vad 0.4.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webrtc-vad 0.4.0
[INFO] finished tweaking crates.io crate webrtc-vad 0.4.0
[INFO] tweaked toml for crates.io crate webrtc-vad 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 59f43181be4194c0bf08d289a706d94a8093edc9154aad805bcd9b7c0a0e94bc
[INFO] running `Command { std: "docker" "start" "-a" "59f43181be4194c0bf08d289a706d94a8093edc9154aad805bcd9b7c0a0e94bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59f43181be4194c0bf08d289a706d94a8093edc9154aad805bcd9b7c0a0e94bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59f43181be4194c0bf08d289a706d94a8093edc9154aad805bcd9b7c0a0e94bc", kill_on_drop: false }`
[INFO] [stdout] 59f43181be4194c0bf08d289a706d94a8093edc9154aad805bcd9b7c0a0e94bc
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88578cb16ef12e578dcaa5ff2df2f4073712888347ea09889a0e3ff633d4b7b6
[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" "88578cb16ef12e578dcaa5ff2df2f4073712888347ea09889a0e3ff633d4b7b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling webrtc-vad v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/bindgen.rs:141:19
[INFO] [stdout]     |
[INFO] [stdout] 141 |         unsafe { &(*(::std::ptr::null::<__fsid_t>())).__val 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/bindgen.rs:219:14
[INFO] [stdout]     |
[INFO] [stdout] 219 |             &(*(::std::ptr::null::<max_align_t>())).__clang_max_align_nonce1 as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/bindgen.rs:231:14
[INFO] [stdout]     |
[INFO] [stdout] 231 |             &(*(::std::ptr::null::<max_align_t>())).__clang_max_align_nonce2 as *const _ as usize
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `Command { std: "docker" "inspect" "88578cb16ef12e578dcaa5ff2df2f4073712888347ea09889a0e3ff633d4b7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88578cb16ef12e578dcaa5ff2df2f4073712888347ea09889a0e3ff633d4b7b6", kill_on_drop: false }`
[INFO] [stdout] 88578cb16ef12e578dcaa5ff2df2f4073712888347ea09889a0e3ff633d4b7b6