[INFO] fetching crate kissfft-sys 0.1.0...
[INFO] checking kissfft-sys-0.1.0 against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386
[INFO] extracting crate kissfft-sys 0.1.0 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kissfft-sys 0.1.0 on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding num-complex v0.3.1 (available: v0.4.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c8758346d0d1cf6d511976e0b4639462efb352d771914f2c0d6787ef2f3fe22
[INFO] running `Command { std: "docker" "start" "-a" "9c8758346d0d1cf6d511976e0b4639462efb352d771914f2c0d6787ef2f3fe22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c8758346d0d1cf6d511976e0b4639462efb352d771914f2c0d6787ef2f3fe22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c8758346d0d1cf6d511976e0b4639462efb352d771914f2c0d6787ef2f3fe22", kill_on_drop: false }`
[INFO] [stdout] 9c8758346d0d1cf6d511976e0b4639462efb352d771914f2c0d6787ef2f3fe22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00d26f39d3cab49f3bbb05a219a9f926f7e74df52c764e6aca88e6646876c1ea
[INFO] running `Command { std: "docker" "start" "-a" "00d26f39d3cab49f3bbb05a219a9f926f7e74df52c764e6aca88e6646876c1ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling kissfft-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-complex v0.3.1
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "00d26f39d3cab49f3bbb05a219a9f926f7e74df52c764e6aca88e6646876c1ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d26f39d3cab49f3bbb05a219a9f926f7e74df52c764e6aca88e6646876c1ea", kill_on_drop: false }`
[INFO] [stdout] 00d26f39d3cab49f3bbb05a219a9f926f7e74df52c764e6aca88e6646876c1ea