[INFO] fetching crate rtmidi 0.2.0...
[INFO] checking rtmidi-0.2.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate rtmidi 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rtmidi 0.2.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtmidi 0.2.0
[INFO] finished tweaking crates.io crate rtmidi 0.2.0
[INFO] tweaked toml for crates.io crate rtmidi 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bindgen v0.57.0
[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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 497f88c947bdfc425310a3535f5e6d9f89256bab80e23fa0bbe75ce2b08ce628
[INFO] running `Command { std: "docker" "start" "-a" "497f88c947bdfc425310a3535f5e6d9f89256bab80e23fa0bbe75ce2b08ce628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "497f88c947bdfc425310a3535f5e6d9f89256bab80e23fa0bbe75ce2b08ce628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497f88c947bdfc425310a3535f5e6d9f89256bab80e23fa0bbe75ce2b08ce628", kill_on_drop: false }`
[INFO] [stdout] 497f88c947bdfc425310a3535f5e6d9f89256bab80e23fa0bbe75ce2b08ce628
[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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eec6f31a15b07c55e9683fd69936e316ef8c5a267131738b62f172db55b9c8c4
[INFO] running `Command { std: "docker" "start" "-a" "eec6f31a15b07c55e9683fd69936e316ef8c5a267131738b62f172db55b9c8c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling rtmidi v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/rtmidi-c16bb23a6451fa8a/out/bindings.rs:3:774
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < max_align_t > ())) . __clang_max_align_nonce1 as * const _ as usize } , 0usize , conca...
[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/rtmidi-c16bb23a6451fa8a/out/bindings.rs:3:1020
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < max_align_t > ())) . __clang_max_align_nonce2 as * const _ as usize } , 16usize , conc...
[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/rtmidi-c16bb23a6451fa8a/out/bindings.rs:3:2061
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...q ! (unsafe { & (* (:: std :: ptr :: null :: < RtMidiWrapper > ())) . ptr as * const _ as usize } , 0usize , concat ! ("Offset of fiel...
[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/rtmidi-c16bb23a6451fa8a/out/bindings.rs:3:2269
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...q ! (unsafe { & (* (:: std :: ptr :: null :: < RtMidiWrapper > ())) . data as * const _ as usize } , 8usize , concat ! ("Offset of fie...
[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/rtmidi-c16bb23a6451fa8a/out/bindings.rs:3:2479
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...q ! (unsafe { & (* (:: std :: ptr :: null :: < RtMidiWrapper > ())) . ok as * const _ as usize } , 16usize , concat ! ("Offset of fiel...
[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/rtmidi-c16bb23a6451fa8a/out/bindings.rs:3:2686
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...q ! (unsafe { & (* (:: std :: ptr :: null :: < RtMidiWrapper > ())) . msg as * const _ as usize } , 24usize , concat ! ("Offset of fie...
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.90s
[INFO] running `Command { std: "docker" "inspect" "eec6f31a15b07c55e9683fd69936e316ef8c5a267131738b62f172db55b9c8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec6f31a15b07c55e9683fd69936e316ef8c5a267131738b62f172db55b9c8c4", kill_on_drop: false }`
[INFO] [stdout] eec6f31a15b07c55e9683fd69936e316ef8c5a267131738b62f172db55b9c8c4