[INFO] fetching crate chewing-sys 0.2.4...
[INFO] checking chewing-sys-0.2.4 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate chewing-sys 0.2.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate chewing-sys 0.2.4 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chewing-sys 0.2.4
[INFO] finished tweaking crates.io crate chewing-sys 0.2.4
[INFO] tweaked toml for crates.io crate chewing-sys 0.2.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f46a1eddb37ee5fa52fffe20e7ee09957e2690dc3f46dfe37adfc35bf1ed9cc
[INFO] running `Command { std: "docker" "start" "-a" "6f46a1eddb37ee5fa52fffe20e7ee09957e2690dc3f46dfe37adfc35bf1ed9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f46a1eddb37ee5fa52fffe20e7ee09957e2690dc3f46dfe37adfc35bf1ed9cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f46a1eddb37ee5fa52fffe20e7ee09957e2690dc3f46dfe37adfc35bf1ed9cc", kill_on_drop: false }`
[INFO] [stdout] 6f46a1eddb37ee5fa52fffe20e7ee09957e2690dc3f46dfe37adfc35bf1ed9cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d818955dfa07e88c34a1deee3ec12e8a5709c5a9ffe9a6e1a86ee15d3ddb669
[INFO] running `Command { std: "docker" "start" "-a" "5d818955dfa07e88c34a1deee3ec12e8a5709c5a9ffe9a6e1a86ee15d3ddb669", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.2.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling chewing-sys v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> src/../bindings.rs:3:1235
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < IntervalType > ())) . from as * const _ as usize } , 0usize , concat ! ("Offset of fie...
[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:3:1443
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < IntervalType > ())) . to as * const _ as usize } , 4usize , concat ! ("Offset of field...
[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 dev [unoptimized + debuginfo] target(s) in 22.71s
[INFO] running `Command { std: "docker" "inspect" "5d818955dfa07e88c34a1deee3ec12e8a5709c5a9ffe9a6e1a86ee15d3ddb669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d818955dfa07e88c34a1deee3ec12e8a5709c5a9ffe9a6e1a86ee15d3ddb669", kill_on_drop: false }`
[INFO] [stdout] 5d818955dfa07e88c34a1deee3ec12e8a5709c5a9ffe9a6e1a86ee15d3ddb669