[INFO] fetching crate chewing-sys 0.2.4...
[INFO] testing chewing-sys-0.2.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate chewing-sys 0.2.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate chewing-sys 0.2.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] dc3c73a0d7c7b8b50c8ba5df31b97e558265ac829a6634eb23faf214e123b59d
[INFO] running `Command { std: "docker" "start" "-a" "dc3c73a0d7c7b8b50c8ba5df31b97e558265ac829a6634eb23faf214e123b59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc3c73a0d7c7b8b50c8ba5df31b97e558265ac829a6634eb23faf214e123b59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3c73a0d7c7b8b50c8ba5df31b97e558265ac829a6634eb23faf214e123b59d", kill_on_drop: false }`
[INFO] [stdout] dc3c73a0d7c7b8b50c8ba5df31b97e558265ac829a6634eb23faf214e123b59d
[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=warn" "-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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efbc74a23f2912734c1d1e7fe487e758b8bef2acb8f42aedadc23058f124d1f6
[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" "efbc74a23f2912734c1d1e7fe487e758b8bef2acb8f42aedadc23058f124d1f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling quote v1.0.9
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.18s
[INFO] running `Command { std: "docker" "inspect" "efbc74a23f2912734c1d1e7fe487e758b8bef2acb8f42aedadc23058f124d1f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbc74a23f2912734c1d1e7fe487e758b8bef2acb8f42aedadc23058f124d1f6", kill_on_drop: false }`
[INFO] [stdout] efbc74a23f2912734c1d1e7fe487e758b8bef2acb8f42aedadc23058f124d1f6
[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=warn" "-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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef796ad490448b267d18f182b79ea9de7c3c7cc8be7b2643b849f10d96138d68
[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" "ef796ad490448b267d18f182b79ea9de7c3c7cc8be7b2643b849f10d96138d68", kill_on_drop: false }`
[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 test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "ef796ad490448b267d18f182b79ea9de7c3c7cc8be7b2643b849f10d96138d68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef796ad490448b267d18f182b79ea9de7c3c7cc8be7b2643b849f10d96138d68", kill_on_drop: false }`
[INFO] [stdout] ef796ad490448b267d18f182b79ea9de7c3c7cc8be7b2643b849f10d96138d68
[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=warn" "-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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d789972dc08f2197f82c614449850eb0566847af72d21d2910fcf9a939b9319c
[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" "d789972dc08f2197f82c614449850eb0566847af72d21d2910fcf9a939b9319c", kill_on_drop: false }`
[INFO] [stderr] warning: dereferencing a null pointer
[INFO] [stderr]  --> src/../bindings.rs:3:1235
[INFO] [stderr]   |
[INFO] [stderr] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < IntervalType > ())) . from as * const _ as usize } , 0usize , concat ! ("Offset of fie...
[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:3:1443
[INFO] [stderr]   |
[INFO] [stderr] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < IntervalType > ())) . to as * const _ as usize } , 4usize , concat ! ("Offset of field...
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stderr] 
[INFO] [stderr] warning: `chewing-sys` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chewing_sys-8aa96d7d0bcedbaf)
[INFO] [stdout] test bindgen_test_layout_IntervalType ... ok
[INFO] [stdout] test tests::test_bindings ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chewing-sys
[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" "d789972dc08f2197f82c614449850eb0566847af72d21d2910fcf9a939b9319c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d789972dc08f2197f82c614449850eb0566847af72d21d2910fcf9a939b9319c", kill_on_drop: false }`
[INFO] [stdout] d789972dc08f2197f82c614449850eb0566847af72d21d2910fcf9a939b9319c