[INFO] fetching crate maskedvbyte-sys 0.1.0...
[INFO] checking maskedvbyte-sys-0.1.0 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate maskedvbyte-sys 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate maskedvbyte-sys 0.1.0 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maskedvbyte-sys 0.1.0
[INFO] finished tweaking crates.io crate maskedvbyte-sys 0.1.0
[INFO] tweaked toml for crates.io crate maskedvbyte-sys 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", 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] 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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc40f8e2ca66e180254cf814311ee5f439ea982f43b2a551e1e575bd684ce42e
[INFO] running `Command { std: "docker" "start" "-a" "bc40f8e2ca66e180254cf814311ee5f439ea982f43b2a551e1e575bd684ce42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc40f8e2ca66e180254cf814311ee5f439ea982f43b2a551e1e575bd684ce42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc40f8e2ca66e180254cf814311ee5f439ea982f43b2a551e1e575bd684ce42e", kill_on_drop: false }`
[INFO] [stdout] bc40f8e2ca66e180254cf814311ee5f439ea982f43b2a551e1e575bd684ce42e
[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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4d349bf3fc27e318860b9494c1cf37bafa90cbd929df4b7e7e6c106a939b44d
[INFO] running `Command { std: "docker" "start" "-a" "a4d349bf3fc27e318860b9494c1cf37bafa90cbd929df4b7e7e6c106a939b44d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bindgen v0.39.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling maskedvbyte-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/maskedvbyte-sys-9c80b7c7a9b152a0/out/bindings.rs:3:15318
[INFO] [stdout]   |
[INFO] [stdout] 3 | ... ! ( unsafe { & ( * ( :: std :: ptr :: null :: < __fsid_t > ( ) ) ) . __val as * const _ as usize } , 0usize , concat ! ( "Offset of f...
[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]  --> /opt/rustwide/target/debug/build/maskedvbyte-sys-9c80b7c7a9b152a0/out/bindings.rs:3:18411
[INFO] [stdout]   |
[INFO] [stdout] 3 | ... ! ( unsafe { & ( * ( :: std :: ptr :: null :: < imaxdiv_t > ( ) ) ) . quot as * const _ as usize } , 0usize , concat ! ( "Offset of f...
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/maskedvbyte-sys-9c80b7c7a9b152a0/out/bindings.rs:3:18626
[INFO] [stdout]   |
[INFO] [stdout] 3 | ... ! ( unsafe { & ( * ( :: std :: ptr :: null :: < imaxdiv_t > ( ) ) ) . rem as * const _ as usize } , 8usize , concat ! ( "Offset of fi...
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/maskedvbyte-sys-9c80b7c7a9b152a0/out/bindings.rs:3:20140
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...! ( unsafe { & ( * ( :: std :: ptr :: null :: < max_align_t > ( ) ) ) . __clang_max_align_nonce1 as * const _ as usize } , 0usize , co...
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/maskedvbyte-sys-9c80b7c7a9b152a0/out/bindings.rs:3:20399
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...! ( unsafe { & ( * ( :: std :: ptr :: null :: < max_align_t > ( ) ) ) . __clang_max_align_nonce2 as * const _ as usize } , 16usize , c...
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.79s
[INFO] running `Command { std: "docker" "inspect" "a4d349bf3fc27e318860b9494c1cf37bafa90cbd929df4b7e7e6c106a939b44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d349bf3fc27e318860b9494c1cf37bafa90cbd929df4b7e7e6c106a939b44d", kill_on_drop: false }`
[INFO] [stdout] a4d349bf3fc27e318860b9494c1cf37bafa90cbd929df4b7e7e6c106a939b44d