[INFO] fetching crate memflow-kvm-ioctl 0.1.0... [INFO] checking memflow-kvm-ioctl-0.1.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] extracting crate memflow-kvm-ioctl 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate memflow-kvm-ioctl 0.1.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate memflow-kvm-ioctl 0.1.0 [INFO] finished tweaking crates.io crate memflow-kvm-ioctl 0.1.0 [INFO] tweaked toml for crates.io crate memflow-kvm-ioctl 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 619810872e0d93428c4ce5845d3ca5dcf0c36955cb8b836af42b359b26d4c698 [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" "619810872e0d93428c4ce5845d3ca5dcf0c36955cb8b836af42b359b26d4c698", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "619810872e0d93428c4ce5845d3ca5dcf0c36955cb8b836af42b359b26d4c698", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "619810872e0d93428c4ce5845d3ca5dcf0c36955cb8b836af42b359b26d4c698", kill_on_drop: false }` [INFO] [stdout] 619810872e0d93428c4ce5845d3ca5dcf0c36955cb8b836af42b359b26d4c698 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] f8764606d1d1105c5928de4a3bcd82fab28c431fb15d231738c0e01c074ef84d [INFO] running `Command { std: "docker" "start" "-a" "f8764606d1d1105c5928de4a3bcd82fab28c431fb15d231738c0e01c074ef84d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling clang-sys v0.29.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling bindgen v0.53.3 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling memflow-kvm-ioctl v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: dereferencing a null pointer [INFO] [stdout] --> /opt/rustwide/target/debug/build/memflow-kvm-ioctl-d7b6dae4d607c214/out/bindings.rs:3:855 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: core :: ptr :: null :: < vm_memslot > ())) . base as * const _ as usize } , 0usize , concat ! ("Offset of fiel... [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/memflow-kvm-ioctl-d7b6dae4d607c214/out/bindings.rs:3:1060 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: core :: ptr :: null :: < vm_memslot > ())) . host_base as * const _ as usize } , 8usize , concat ! ("Offset of... [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/memflow-kvm-ioctl-d7b6dae4d607c214/out/bindings.rs:3:1275 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: core :: ptr :: null :: < vm_memslot > ())) . map_size as * const _ as usize } , 16usize , concat ! ("Offset of... [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/memflow-kvm-ioctl-d7b6dae4d607c214/out/bindings.rs:3:2227 [INFO] [stdout] | [INFO] [stdout] 3 | ...t_eq ! (unsafe { & (* (:: core :: ptr :: null :: < vm_info > ())) . userspace_pid as * const _ as usize } , 0usize , concat ! ("Offset... [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/memflow-kvm-ioctl-d7b6dae4d607c214/out/bindings.rs:3:2444 [INFO] [stdout] | [INFO] [stdout] 3 | ...t_eq ! (unsafe { & (* (:: core :: ptr :: null :: < vm_info > ())) . slot_count as * const _ as usize } , 4usize , concat ! ("Offset of... [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/memflow-kvm-ioctl-d7b6dae4d607c214/out/bindings.rs:3:2655 [INFO] [stdout] | [INFO] [stdout] 3 | ...t_eq ! (unsafe { & (* (:: core :: ptr :: null :: < vm_info > ())) . slots as * const _ as usize } , 8usize , 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/memflow-kvm-ioctl-d7b6dae4d607c214/out/bindings.rs:3:3841 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: core :: ptr :: null :: < vm_map_info > ())) . slot_count as * const _ as usize } , 0usize , concat ! ("Offset ... [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/memflow-kvm-ioctl-d7b6dae4d607c214/out/bindings.rs:3:4060 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: core :: ptr :: null :: < vm_map_info > ())) . slots as * const _ as usize } , 8usize , concat ! ("Offset of fi... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 22s [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f8764606d1d1105c5928de4a3bcd82fab28c431fb15d231738c0e01c074ef84d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8764606d1d1105c5928de4a3bcd82fab28c431fb15d231738c0e01c074ef84d", kill_on_drop: false }` [INFO] [stdout] f8764606d1d1105c5928de4a3bcd82fab28c431fb15d231738c0e01c074ef84d