[INFO] fetching crate loopdev 0.3.0... [INFO] checking loopdev-0.3.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] extracting crate loopdev 0.3.0 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate loopdev 0.3.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate loopdev 0.3.0 [INFO] finished tweaking crates.io crate loopdev 0.3.0 [INFO] tweaked toml for crates.io crate loopdev 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70251085e01d6007f25887e4dbe2ffd4ec5027670bc897ac56de132cc4294ec0 [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" "70251085e01d6007f25887e4dbe2ffd4ec5027670bc897ac56de132cc4294ec0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70251085e01d6007f25887e4dbe2ffd4ec5027670bc897ac56de132cc4294ec0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70251085e01d6007f25887e4dbe2ffd4ec5027670bc897ac56de132cc4294ec0", kill_on_drop: false }` [INFO] [stdout] 70251085e01d6007f25887e4dbe2ffd4ec5027670bc897ac56de132cc4294ec0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d13dc9db27339f513b5a1355bf1f0b639b922ccde1d5a6a6841d302de1d0e47 [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" "5d13dc9db27339f513b5a1355bf1f0b639b922ccde1d5a6a6841d302de1d0e47", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling bindgen v0.58.1 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling shlex v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling clang-sys v1.2.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling libloading v0.7.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking errno v0.2.7 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling loopdev v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: dereferencing a null pointer [INFO] [stdout] --> /opt/rustwide/target/debug/build/loopdev-58b58e1274419070/out/bindings.rs:3:2939 [INFO] [stdout] | [INFO] [stdout] 3 | ... ! (unsafe { & (* (:: std :: ptr :: null :: < __kernel_fsid_t > ())) . val 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] --> /opt/rustwide/target/debug/build/loopdev-58b58e1274419070/out/bindings.rs:3:4603 [INFO] [stdout] | [INFO] [stdout] 3 | ... ! (unsafe { & (* (:: std :: ptr :: null :: < __kernel_fd_set > ())) . fds_bits as * const _ as usize } , 0usize , concat ! ("Offset o... [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/loopdev-58b58e1274419070/out/bindings.rs:3:6300 [INFO] [stdout] | [INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_number as * const _ as usize } , 0usize , 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/loopdev-58b58e1274419070/out/bindings.rs:3:6512 [INFO] [stdout] | [INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_device 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/loopdev-58b58e1274419070/out/bindings.rs:3:6724 [INFO] [stdout] | [INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_inode 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/loopdev-58b58e1274419070/out/bindings.rs:3:6935 [INFO] [stdout] | [INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_rdevice as * const _ as usize } , 24usize , concat ! ("Offset o... [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/loopdev-58b58e1274419070/out/bindings.rs:3:7150 [INFO] [stdout] | [INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_offset as * const _ as usize } , 32usize , 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/loopdev-58b58e1274419070/out/bindings.rs:3:7363 [INFO] [stdout] | [INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_encrypt_type as * const _ as usize } , 36usize , concat ! ("Off... [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/loopdev-58b58e1274419070/out/bindings.rs:3:7588 [INFO] [stdout] | [INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_encrypt_key_size as * const _ as usize } , 40usize , concat ! (... [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/loopdev-58b58e1274419070/out/bindings.rs:3:7821 [INFO] [stdout] | [INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_flags as * const _ as usize } , 44usize , 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/loopdev-58b58e1274419070/out/bindings.rs:3:8032 [INFO] [stdout] | [INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_name as * const _ as usize } , 48usize , concat ! ("Offset of f... [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/loopdev-58b58e1274419070/out/bindings.rs:3:8241 [INFO] [stdout] | [INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_encrypt_key as * const _ as usize } , 112usize , concat ! ("Off... [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/loopdev-58b58e1274419070/out/bindings.rs:3:8465 [INFO] [stdout] | [INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . lo_init as * const _ as usize } , 144usize , 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/loopdev-58b58e1274419070/out/bindings.rs:3:8675 [INFO] [stdout] | [INFO] [stdout] 3 | ..._eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info > ())) . reserved as * const _ as usize } , 160usize , 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/loopdev-58b58e1274419070/out/bindings.rs:3:9740 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_device as * const _ as usize } , 0usize , 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/loopdev-58b58e1274419070/out/bindings.rs:3:9956 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_inode 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/loopdev-58b58e1274419070/out/bindings.rs:3:10170 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_rdevice as * const _ as usize } , 16usize , 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/loopdev-58b58e1274419070/out/bindings.rs:3:10389 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_offset as * const _ as usize } , 24usize , concat ! ("Offset o... [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/loopdev-58b58e1274419070/out/bindings.rs:3:10606 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_sizelimit as * const _ as usize } , 32usize , concat ! ("Offse... [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/loopdev-58b58e1274419070/out/bindings.rs:3:10829 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_number as * const _ as usize } , 40usize , concat ! ("Offset o... [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/loopdev-58b58e1274419070/out/bindings.rs:3:11046 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_encrypt_type as * const _ as usize } , 44usize , concat ! ("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/loopdev-58b58e1274419070/out/bindings.rs:3:11275 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_encrypt_key_size as * const _ as usize } , 48usize , concat ! ... [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/loopdev-58b58e1274419070/out/bindings.rs:3:11512 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_flags as * const _ as usize } , 52usize , 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/loopdev-58b58e1274419070/out/bindings.rs:3:11727 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_file_name as * const _ as usize } , 56usize , concat ! ("Offse... [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/loopdev-58b58e1274419070/out/bindings.rs:3:11950 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_crypt_name as * const _ as usize } , 120usize , concat ! ("Off... [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/loopdev-58b58e1274419070/out/bindings.rs:3:12176 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_encrypt_key as * const _ as usize } , 184usize , concat ! ("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/loopdev-58b58e1274419070/out/bindings.rs:3:12404 [INFO] [stdout] | [INFO] [stdout] 3 | ...eq ! (unsafe { & (* (:: std :: ptr :: null :: < loop_info64 > ())) . lo_init as * const _ as usize } , 216usize , concat ! ("Offset of... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 27 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/integration_test.rs:71:13 [INFO] [stdout] | [INFO] [stdout] 71 | let mut ld0 = lc [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 36s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5d13dc9db27339f513b5a1355bf1f0b639b922ccde1d5a6a6841d302de1d0e47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d13dc9db27339f513b5a1355bf1f0b639b922ccde1d5a6a6841d302de1d0e47", kill_on_drop: false }` [INFO] [stdout] 5d13dc9db27339f513b5a1355bf1f0b639b922ccde1d5a6a6841d302de1d0e47