[INFO] fetching crate libhydrogen-sys 0.9.0...
[INFO] building libhydrogen-sys-0.9.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate libhydrogen-sys 0.9.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libhydrogen-sys 0.9.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libhydrogen-sys 0.9.0
[INFO] finished tweaking crates.io crate libhydrogen-sys 0.9.0
[INFO] tweaked toml for crates.io crate libhydrogen-sys 0.9.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f80315ad8d9735aad858c0546a56ec85c5b035dbce5f8dc4bb08432d77727e7
[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" "5f80315ad8d9735aad858c0546a56ec85c5b035dbce5f8dc4bb08432d77727e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f80315ad8d9735aad858c0546a56ec85c5b035dbce5f8dc4bb08432d77727e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f80315ad8d9735aad858c0546a56ec85c5b035dbce5f8dc4bb08432d77727e7", kill_on_drop: false }`
[INFO] [stdout] 5f80315ad8d9735aad858c0546a56ec85c5b035dbce5f8dc4bb08432d77727e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad8266a3bd87dbba8fc1e512366d404247c330dda78ca9eb6b8b363edaadb19e
[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" "ad8266a3bd87dbba8fc1e512366d404247c330dda78ca9eb6b8b363edaadb19e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling libhydrogen-sys v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_function`: use allowlist_function instead
[INFO] [stdout]   --> build.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |         .whitelist_function("hydro_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_function`: use allowlist_function instead
[INFO] [stdout]   --> build.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |         .whitelist_function("randombytes_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_type`: use allowlist_type instead
[INFO] [stdout]   --> build.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .whitelist_type("hydro_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_type`: use allowlist_type instead
[INFO] [stdout]   --> build.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |         .whitelist_type("randombytes_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_var`: use allowlist_var instead
[INFO] [stdout]   --> build.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .whitelist_var("HYDRO_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_var`: use allowlist_var instead
[INFO] [stdout]   --> build.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |         .whitelist_var("hydro_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_var`: use allowlist_var instead
[INFO] [stdout]   --> build.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |         .whitelist_var("randombytes_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.56s
[INFO] running `Command { std: "docker" "inspect" "ad8266a3bd87dbba8fc1e512366d404247c330dda78ca9eb6b8b363edaadb19e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad8266a3bd87dbba8fc1e512366d404247c330dda78ca9eb6b8b363edaadb19e", kill_on_drop: false }`
[INFO] [stdout] ad8266a3bd87dbba8fc1e512366d404247c330dda78ca9eb6b8b363edaadb19e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 945cc9390eae1e9bc05fbbdf6157afeff77b4516258dbc3fc5b9f38413e45b94
[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" "945cc9390eae1e9bc05fbbdf6157afeff77b4516258dbc3fc5b9f38413e45b94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libhydrogen-sys v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_function`: use allowlist_function instead
[INFO] [stdout]   --> build.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |         .whitelist_function("hydro_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_function`: use allowlist_function instead
[INFO] [stdout]   --> build.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 |         .whitelist_function("randombytes_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_type`: use allowlist_type instead
[INFO] [stdout]   --> build.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .whitelist_type("hydro_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_type`: use allowlist_type instead
[INFO] [stdout]   --> build.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |         .whitelist_type("randombytes_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_var`: use allowlist_var instead
[INFO] [stdout]   --> build.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .whitelist_var("HYDRO_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_var`: use allowlist_var instead
[INFO] [stdout]   --> build.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |         .whitelist_var("hydro_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bindgen::Builder::whitelist_var`: use allowlist_var instead
[INFO] [stdout]   --> build.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |         .whitelist_var("randombytes_.*")
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/libhydrogen-sys-6d9320ae1dff87ae/out/bindings.rs:3:2984
[INFO] [stdout]   |
[INFO] [stdout] 3 | ... ! (unsafe { & (* (:: std :: ptr :: null :: < hydro_hash_state > ())) . state as * const _ as usize } , 0usize , concat ! ("Offset of ...
[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/libhydrogen-sys-6d9320ae1dff87ae/out/bindings.rs:3:3202
[INFO] [stdout]   |
[INFO] [stdout] 3 | ... ! (unsafe { & (* (:: std :: ptr :: null :: < hydro_hash_state > ())) . buf_off as * const _ as usize } , 48usize , 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/libhydrogen-sys-6d9320ae1dff87ae/out/bindings.rs:3:3425
[INFO] [stdout]   |
[INFO] [stdout] 3 | ... ! (unsafe { & (* (:: std :: ptr :: null :: < hydro_hash_state > ())) . align as * const _ as usize } , 49usize , 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/libhydrogen-sys-6d9320ae1dff87ae/out/bindings.rs:3:6062
[INFO] [stdout]   |
[INFO] [stdout] 3 | ... ! (unsafe { & (* (:: std :: ptr :: null :: < hydro_sign_state > ())) . hash_st 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/libhydrogen-sys-6d9320ae1dff87ae/out/bindings.rs:3:6751
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...! (unsafe { & (* (:: std :: ptr :: null :: < hydro_sign_keypair > ())) . pk as * const _ as usize } , 0usize , concat ! ("Offset of fi...
[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/libhydrogen-sys-6d9320ae1dff87ae/out/bindings.rs:3:6967
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...! (unsafe { & (* (:: std :: ptr :: null :: < hydro_sign_keypair > ())) . sk as * const _ as usize } , 32usize , 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/libhydrogen-sys-6d9320ae1dff87ae/out/bindings.rs:3:9012
[INFO] [stdout]   |
[INFO] [stdout] 3 | ... ! (unsafe { & (* (:: std :: ptr :: null :: < hydro_kx_keypair > ())) . pk as * const _ as usize } , 0usize , 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/libhydrogen-sys-6d9320ae1dff87ae/out/bindings.rs:3:9224
[INFO] [stdout]   |
[INFO] [stdout] 3 | ... ! (unsafe { & (* (:: std :: ptr :: null :: < hydro_kx_keypair > ())) . sk as * const _ as usize } , 32usize , concat ! ("Offset of fi...
[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/libhydrogen-sys-6d9320ae1dff87ae/out/bindings.rs:3:9975
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...unsafe { & (* (:: std :: ptr :: null :: < hydro_kx_session_keypair > ())) . rx 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/libhydrogen-sys-6d9320ae1dff87ae/out/bindings.rs:3:10203
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...unsafe { & (* (:: std :: ptr :: null :: < hydro_kx_session_keypair > ())) . tx as * const _ as usize } , 32usize , 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/libhydrogen-sys-6d9320ae1dff87ae/out/bindings.rs:3:10921
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...q ! (unsafe { & (* (:: std :: ptr :: null :: < hydro_kx_state > ())) . eph_kp 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/libhydrogen-sys-6d9320ae1dff87ae/out/bindings.rs:3:11137
[INFO] [stdout]   |
[INFO] [stdout] 3 | ...q ! (unsafe { & (* (:: std :: ptr :: null :: < hydro_kx_state > ())) . h_st as * const _ as usize } , 64usize , concat ! ("Offset of f...
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "945cc9390eae1e9bc05fbbdf6157afeff77b4516258dbc3fc5b9f38413e45b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945cc9390eae1e9bc05fbbdf6157afeff77b4516258dbc3fc5b9f38413e45b94", kill_on_drop: false }`
[INFO] [stdout] 945cc9390eae1e9bc05fbbdf6157afeff77b4516258dbc3fc5b9f38413e45b94
