[INFO] fetching crate gbm-sys 0.1.0...
[INFO] checking gbm-sys-0.1.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate gbm-sys 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate gbm-sys 0.1.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gbm-sys 0.1.0
[INFO] finished tweaking crates.io crate gbm-sys 0.1.0
[INFO] tweaked toml for crates.io crate gbm-sys 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quasi_codegen v0.29.0
[INFO] [stderr]   Downloaded clang-sys v0.14.1
[INFO] [stderr]   Downloaded quasi v0.29.0
[INFO] [stderr]   Downloaded bindgen v0.22.1
[INFO] [stderr]   Downloaded aster v0.38.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] bd6ce2c326bb385cbe1fc3999c27b0adb9b71c0e265b89074fef0706998a22fc
[INFO] running `Command { std: "docker" "start" "-a" "bd6ce2c326bb385cbe1fc3999c27b0adb9b71c0e265b89074fef0706998a22fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd6ce2c326bb385cbe1fc3999c27b0adb9b71c0e265b89074fef0706998a22fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6ce2c326bb385cbe1fc3999c27b0adb9b71c0e265b89074fef0706998a22fc", kill_on_drop: false }`
[INFO] [stdout] bd6ce2c326bb385cbe1fc3999c27b0adb9b71c0e265b89074fef0706998a22fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27134a6fa68aa5c8dd2e8820bd21f9625bc25158914db865afea41b53166ed28
[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" "27134a6fa68aa5c8dd2e8820bd21f9625bc25158914db865afea41b53166ed28", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling gbm-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/platforms/linux/x86_64/gen.rs:57:19
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 & ( * ( 0 as * const gbm_bo_handle ) ) . ptr as * const _ as
[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/platforms/linux/x86_64/gen.rs:62:19
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 & ( * ( 0 as * const gbm_bo_handle ) ) . s32 as * const _ as
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/platforms/linux/x86_64/gen.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 & ( * ( 0 as * const gbm_bo_handle ) ) . u32 as * const _ as
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/platforms/linux/x86_64/gen.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 & ( * ( 0 as * const gbm_bo_handle ) ) . s64 as * const _ as
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/platforms/linux/x86_64/gen.rs:77:19
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 & ( * ( 0 as * const gbm_bo_handle ) ) . u64 as * const _ as
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/platforms/linux/x86_64/gen.rs:144:19
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 & ( * ( 0 as * const gbm_import_fd_data ) ) . fd as * const _
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/platforms/linux/x86_64/gen.rs:149:19
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 & ( * ( 0 as * const gbm_import_fd_data ) ) . width as * const
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/platforms/linux/x86_64/gen.rs:154:19
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 & ( * ( 0 as * const gbm_import_fd_data ) ) . height as *
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/platforms/linux/x86_64/gen.rs:159:19
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 & ( * ( 0 as * const gbm_import_fd_data ) ) . stride as *
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/platforms/linux/x86_64/gen.rs:164:19
[INFO] [stdout]     |
[INFO] [stdout] 164 |                 & ( * ( 0 as * const gbm_import_fd_data ) ) . format as *
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "27134a6fa68aa5c8dd2e8820bd21f9625bc25158914db865afea41b53166ed28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27134a6fa68aa5c8dd2e8820bd21f9625bc25158914db865afea41b53166ed28", kill_on_drop: false }`
[INFO] [stdout] 27134a6fa68aa5c8dd2e8820bd21f9625bc25158914db865afea41b53166ed28