[INFO] fetching crate spiro-sys 0.1.1...
[INFO] building spiro-sys-0.1.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate spiro-sys 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate spiro-sys 0.1.1
[INFO] finished tweaking crates.io crate spiro-sys 0.1.1
[INFO] tweaked toml for crates.io crate spiro-sys 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spiro-sys 0.1.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.55.1 (available: v0.72.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded cexpr v0.4.0
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded env_logger v0.7.1
[INFO] [stderr]   Downloaded bindgen v0.55.1
[INFO] [stderr]   Downloaded dos2unix v0.1.0
[INFO] [stderr]   Downloaded which v3.1.1
[INFO] [stderr]   Downloaded shlex v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a42ac7eec88f892dbfc41aa56b6144730a8132171069d99e22a1cff83c9803f
[INFO] running `Command { std: "docker" "start" "-a" "5a42ac7eec88f892dbfc41aa56b6144730a8132171069d99e22a1cff83c9803f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a42ac7eec88f892dbfc41aa56b6144730a8132171069d99e22a1cff83c9803f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a42ac7eec88f892dbfc41aa56b6144730a8132171069d99e22a1cff83c9803f", kill_on_drop: false }`
[INFO] [stdout] 5a42ac7eec88f892dbfc41aa56b6144730a8132171069d99e22a1cff83c9803f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91413fddc32d89c8e5476e8736339a045528f15c6cd6f0de9a275ea3b9e4b25d
[INFO] running `Command { std: "docker" "start" "-a" "91413fddc32d89c8e5476e8736339a045528f15c6cd6f0de9a275ea3b9e4b25d", kill_on_drop: false }`
[INFO] [stderr]    Compiling spiro-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: spiro-sys@0.1.1: libspiro/spiro.c:1122:1: warning: 'spiro_seg_to_bpath' defined but not used [-Wunused-function]
[INFO] [stderr] warning: spiro-sys@0.1.1:  1122 | spiro_seg_to_bpath(const double ks[4],
[INFO] [stderr] warning: spiro-sys@0.1.1:       | ^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: spiro-sys@0.1.1: libspiro/spiro.c:661:1: warning: 'setup_path' defined but not used [-Wunused-function]
[INFO] [stderr] warning: spiro-sys@0.1.1:   661 | setup_path(const spiro_cp *src, int n)
[INFO] [stderr] warning: spiro-sys@0.1.1:       | ^~~~~~~~~~
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |   #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                         --------- in this derive macro expansion
[INFO] [stdout] 43 |   pub struct _bezctx {
[INFO] [stdout] 44 | /     pub moveto: ::std::option::Option<
[INFO] [stdout] 45 | |         unsafe extern "C" fn(bc: *mut bezctx, x: f64, y: f64, is_open: ::std::os::raw::c_int),
[INFO] [stdout] 46 | |     >,
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                       --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub lineto: ::std::option::Option<unsafe extern "C" fn(bc: *mut bezctx, x: f64, y: f64)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |   #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                         --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 48 | /     pub quadto: ::std::option::Option<
[INFO] [stdout] 49 | |         unsafe extern "C" fn(bc: *mut bezctx, x1: f64, y1: f64, x2: f64, y2: f64),
[INFO] [stdout] 50 | |     >,
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |   #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                         --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 51 | /     pub curveto: ::std::option::Option<
[INFO] [stdout] 52 | |         unsafe extern "C" fn(bc: *mut bezctx, x1: f64, y1: f64, x2: f64, y2: f64, x3: f64, y3: f64),
[INFO] [stdout] 53 | |     >,
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |   #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                         --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 54 | /     pub mark_knot: ::std::option::Option<
[INFO] [stdout] 55 | |         unsafe extern "C" fn(bc: *mut bezctx, knot_idx: ::std::os::raw::c_int),
[INFO] [stdout] 56 | |     >,
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "91413fddc32d89c8e5476e8736339a045528f15c6cd6f0de9a275ea3b9e4b25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91413fddc32d89c8e5476e8736339a045528f15c6cd6f0de9a275ea3b9e4b25d", kill_on_drop: false }`
[INFO] [stdout] 91413fddc32d89c8e5476e8736339a045528f15c6cd6f0de9a275ea3b9e4b25d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6c52b06f23e854fe4698a76720e72b5ad20e1d94a9228930b12c243ec82d0d4
[INFO] running `Command { std: "docker" "start" "-a" "f6c52b06f23e854fe4698a76720e72b5ad20e1d94a9228930b12c243ec82d0d4", kill_on_drop: false }`
[INFO] [stderr] warning: spiro-sys@0.1.1: libspiro/spiro.c:1122:1: warning: 'spiro_seg_to_bpath' defined but not used [-Wunused-function]
[INFO] [stderr] warning: spiro-sys@0.1.1:  1122 | spiro_seg_to_bpath(const double ks[4],
[INFO] [stderr] warning: spiro-sys@0.1.1:       | ^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: spiro-sys@0.1.1: libspiro/spiro.c:661:1: warning: 'setup_path' defined but not used [-Wunused-function]
[INFO] [stderr] warning: spiro-sys@0.1.1:   661 | setup_path(const spiro_cp *src, int n)
[INFO] [stderr] warning: spiro-sys@0.1.1:       | ^~~~~~~~~~
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |   #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                         --------- in this derive macro expansion
[INFO] [stdout] 43 |   pub struct _bezctx {
[INFO] [stdout] 44 | /     pub moveto: ::std::option::Option<
[INFO] [stdout] 45 | |         unsafe extern "C" fn(bc: *mut bezctx, x: f64, y: f64, is_open: ::std::os::raw::c_int),
[INFO] [stdout] 46 | |     >,
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling spiro-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                       --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub lineto: ::std::option::Option<unsafe extern "C" fn(bc: *mut bezctx, x: f64, y: f64)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |   #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                         --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 48 | /     pub quadto: ::std::option::Option<
[INFO] [stdout] 49 | |         unsafe extern "C" fn(bc: *mut bezctx, x1: f64, y1: f64, x2: f64, y2: f64),
[INFO] [stdout] 50 | |     >,
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |   #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                         --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 51 | /     pub curveto: ::std::option::Option<
[INFO] [stdout] 52 | |         unsafe extern "C" fn(bc: *mut bezctx, x1: f64, y1: f64, x2: f64, y2: f64, x3: f64, y3: f64),
[INFO] [stdout] 53 | |     >,
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |   #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                         --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 54 | /     pub mark_knot: ::std::option::Option<
[INFO] [stdout] 55 | |         unsafe extern "C" fn(bc: *mut bezctx, knot_idx: ::std::os::raw::c_int),
[INFO] [stdout] 56 | |     >,
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |   #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                         --------- in this derive macro expansion
[INFO] [stdout] 43 |   pub struct _bezctx {
[INFO] [stdout] 44 | /     pub moveto: ::std::option::Option<
[INFO] [stdout] 45 | |         unsafe extern "C" fn(bc: *mut bezctx, x: f64, y: f64, is_open: ::std::os::raw::c_int),
[INFO] [stdout] 46 | |     >,
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                       --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub lineto: ::std::option::Option<unsafe extern "C" fn(bc: *mut bezctx, x: f64, y: f64)>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |   #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                         --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 48 | /     pub quadto: ::std::option::Option<
[INFO] [stdout] 49 | |         unsafe extern "C" fn(bc: *mut bezctx, x1: f64, y1: f64, x2: f64, y2: f64),
[INFO] [stdout] 50 | |     >,
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |   #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                         --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 51 | /     pub curveto: ::std::option::Option<
[INFO] [stdout] 52 | |         unsafe extern "C" fn(bc: *mut bezctx, x1: f64, y1: f64, x2: f64, y2: f64, x3: f64, y3: f64),
[INFO] [stdout] 53 | |     >,
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lib.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |   #[derive(Debug, Default, Copy, Clone, PartialEq)]
[INFO] [stdout]    |                                         --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 54 | /     pub mark_knot: ::std::option::Option<
[INFO] [stdout] 55 | |         unsafe extern "C" fn(bc: *mut bezctx, knot_idx: ::std::os::raw::c_int),
[INFO] [stdout] 56 | |     >,
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/lib.rs:71:19
[INFO] [stdout]    |
[INFO] [stdout] 71 |         unsafe { &(*(::std::ptr::null::<_bezctx>())).moveto as *const _ as usize },
[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/lib.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 |         unsafe { &(*(::std::ptr::null::<_bezctx>())).lineto as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> src/lib.rs:91:19
[INFO] [stdout]    |
[INFO] [stdout] 91 |         unsafe { &(*(::std::ptr::null::<_bezctx>())).quadto as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/lib.rs:101:19
[INFO] [stdout]     |
[INFO] [stdout] 101 |         unsafe { &(*(::std::ptr::null::<_bezctx>())).curveto as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/lib.rs:111:19
[INFO] [stdout]     |
[INFO] [stdout] 111 |         unsafe { &(*(::std::ptr::null::<_bezctx>())).mark_knot as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/lib.rs:141:19
[INFO] [stdout]     |
[INFO] [stdout] 141 |         unsafe { &(*(::std::ptr::null::<spiro_cp>())).x as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/lib.rs:151:19
[INFO] [stdout]     |
[INFO] [stdout] 151 |         unsafe { &(*(::std::ptr::null::<spiro_cp>())).y as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/lib.rs:161:19
[INFO] [stdout]     |
[INFO] [stdout] 161 |         unsafe { &(*(::std::ptr::null::<spiro_cp>())).ty as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/lib.rs:196:19
[INFO] [stdout]     |
[INFO] [stdout] 196 |         unsafe { &(*(::std::ptr::null::<spiro_seg_s>())).x as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/lib.rs:206:19
[INFO] [stdout]     |
[INFO] [stdout] 206 |         unsafe { &(*(::std::ptr::null::<spiro_seg_s>())).y as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/lib.rs:216:19
[INFO] [stdout]     |
[INFO] [stdout] 216 |         unsafe { &(*(::std::ptr::null::<spiro_seg_s>())).ty as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/lib.rs:226:19
[INFO] [stdout]     |
[INFO] [stdout] 226 |         unsafe { &(*(::std::ptr::null::<spiro_seg_s>())).bend_th as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/lib.rs:236:19
[INFO] [stdout]     |
[INFO] [stdout] 236 |         unsafe { &(*(::std::ptr::null::<spiro_seg_s>())).ks as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/lib.rs:246:19
[INFO] [stdout]     |
[INFO] [stdout] 246 |         unsafe { &(*(::std::ptr::null::<spiro_seg_s>())).seg_ch as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/lib.rs:256:19
[INFO] [stdout]     |
[INFO] [stdout] 256 |         unsafe { &(*(::std::ptr::null::<spiro_seg_s>())).seg_th as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]    --> src/lib.rs:266:19
[INFO] [stdout]     |
[INFO] [stdout] 266 |         unsafe { &(*(::std::ptr::null::<spiro_seg_s>())).l as *const _ as usize },
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "f6c52b06f23e854fe4698a76720e72b5ad20e1d94a9228930b12c243ec82d0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c52b06f23e854fe4698a76720e72b5ad20e1d94a9228930b12c243ec82d0d4", kill_on_drop: false }`
[INFO] [stdout] f6c52b06f23e854fe4698a76720e72b5ad20e1d94a9228930b12c243ec82d0d4
