[INFO] cloning repository https://github.com/jazz-lang/Jazz-jit [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jazz-lang/Jazz-jit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazz-lang%2FJazz-jit", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazz-lang%2FJazz-jit'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e88a8babeeefa89d6e903e8e96bc7da7b9be4a20 [INFO] testing jazz-lang/Jazz-jit against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazz-lang%2FJazz-jit" "/workspace/builds/worker-23/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jazz-lang/Jazz-jit on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jazz-lang/Jazz-jit [INFO] finished tweaking git repo https://github.com/jazz-lang/Jazz-jit [INFO] tweaked toml for git repo https://github.com/jazz-lang/Jazz-jit written to /workspace/builds/worker-23/source/Cargo.toml [INFO] crate git repo https://github.com/jazz-lang/Jazz-jit already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded capstone v0.6.0 [INFO] [stderr] Downloaded cbindgen v0.20.0 [INFO] [stderr] Downloaded capstone-sys v0.10.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eafc0dbddd0b395dd9708fdb596b639118dd8b6d3e7c891c35fc500f9318c331 [INFO] running `Command { std: "docker" "start" "-a" "eafc0dbddd0b395dd9708fdb596b639118dd8b6d3e7c891c35fc500f9318c331", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eafc0dbddd0b395dd9708fdb596b639118dd8b6d3e7c891c35fc500f9318c331", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eafc0dbddd0b395dd9708fdb596b639118dd8b6d3e7c891c35fc500f9318c331", kill_on_drop: false }` [INFO] [stdout] eafc0dbddd0b395dd9708fdb596b639118dd8b6d3e7c891c35fc500f9318c331 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4420751ef975ae19d00b1fdc597e695fd3f903195af7066bbdfad2251a6c4399 [INFO] running `Command { std: "docker" "start" "-a" "4420751ef975ae19d00b1fdc597e695fd3f903195af7066bbdfad2251a6c4399", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling cbindgen v0.20.0 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling capstone-sys v0.10.0 [INFO] [stderr] Compiling paste v0.1.18 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling capstone v0.6.0 [INFO] [stderr] Compiling jazz-jit v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/avx.rs:241:5 [INFO] [stdout] | [INFO] [stdout] 241 | (0x4 << 4 | w << 3 | r << 2 | x << 1 | b) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 241 - (0x4 << 4 | w << 3 | r << 2 | x << 1 | b) [INFO] [stdout] 241 + 0x4 << 4 | w << 3 | r << 2 | x << 1 | b [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/dseg.rs:71:58 [INFO] [stdout] | [INFO] [stdout] 71 | Value::Ptr(v) => *(entry_ptr as *mut (*const u8)) = v, [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 71 - Value::Ptr(v) => *(entry_ptr as *mut (*const u8)) = v, [INFO] [stdout] 71 + Value::Ptr(v) => *(entry_ptr as *mut *const u8) = v, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:65:51 [INFO] [stdout] | [INFO] [stdout] 65 | let mut content: *mut libc::c_void = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> src/assembler_x64.rs:2531:1 [INFO] [stdout] | [INFO] [stdout] 2531 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 2532 | use crate::avx::*; [INFO] [stdout] | ------------------ not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Vec`, which is not FFI-safe [INFO] [stdout] --> src/assembler.rs:52:32 [INFO] [stdout] | [INFO] [stdout] 52 | pub extern "C" fn new() -> Assembler { [INFO] [stdout] | ^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Vec`, which is not FFI-safe [INFO] [stdout] --> src/dseg.rs:46:32 [INFO] [stdout] | [INFO] [stdout] 46 | pub extern "C" fn new() -> DSeg { [INFO] [stdout] | ^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Vec`, which is not FFI-safe [INFO] [stdout] --> src/utils/mod.rs:1:52 [INFO] [stdout] | [INFO] [stdout] 1 | pub extern "C" fn copy_vec(v: &Vec) -> Vec { [INFO] [stdout] | ^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.91s [INFO] running `Command { std: "docker" "inspect" "4420751ef975ae19d00b1fdc597e695fd3f903195af7066bbdfad2251a6c4399", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4420751ef975ae19d00b1fdc597e695fd3f903195af7066bbdfad2251a6c4399", kill_on_drop: false }` [INFO] [stdout] 4420751ef975ae19d00b1fdc597e695fd3f903195af7066bbdfad2251a6c4399 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 98c4c4c583667c13ab5a4f8fe4498f994de85fb35e96184bb30554adf4a32b5e [INFO] running `Command { std: "docker" "start" "-a" "98c4c4c583667c13ab5a4f8fe4498f994de85fb35e96184bb30554adf4a32b5e", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/avx.rs:241:5 [INFO] [stdout] | [INFO] [stdout] 241 | (0x4 << 4 | w << 3 | r << 2 | x << 1 | b) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 241 - (0x4 << 4 | w << 3 | r << 2 | x << 1 | b) [INFO] [stdout] 241 + 0x4 << 4 | w << 3 | r << 2 | x << 1 | b [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/dseg.rs:71:58 [INFO] [stdout] | [INFO] [stdout] 71 | Value::Ptr(v) => *(entry_ptr as *mut (*const u8)) = v, [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 71 - Value::Ptr(v) => *(entry_ptr as *mut (*const u8)) = v, [INFO] [stdout] 71 + Value::Ptr(v) => *(entry_ptr as *mut *const u8) = v, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:65:51 [INFO] [stdout] | [INFO] [stdout] 65 | let mut content: *mut libc::c_void = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> src/assembler_x64.rs:2531:1 [INFO] [stdout] | [INFO] [stdout] 2531 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 2532 | use crate::avx::*; [INFO] [stdout] | ------------------ not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Vec`, which is not FFI-safe [INFO] [stdout] --> src/assembler.rs:52:32 [INFO] [stdout] | [INFO] [stdout] 52 | pub extern "C" fn new() -> Assembler { [INFO] [stdout] | ^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Vec`, which is not FFI-safe [INFO] [stdout] --> src/dseg.rs:46:32 [INFO] [stdout] | [INFO] [stdout] 46 | pub extern "C" fn new() -> DSeg { [INFO] [stdout] | ^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling jazz-jit v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `extern` fn uses type `Vec`, which is not FFI-safe [INFO] [stdout] --> src/utils/mod.rs:1:52 [INFO] [stdout] | [INFO] [stdout] 1 | pub extern "C" fn copy_vec(v: &Vec) -> Vec { [INFO] [stdout] | ^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> examples/float4.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(repr_simd)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `jazz_jit::avx::*` [INFO] [stdout] --> examples/float4.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use jazz_jit::avx::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `jazz_jit::MachineMode::Float32` [INFO] [stdout] --> examples/float4.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use jazz_jit::MachineMode::Float32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/int_add.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | let mut cs = Capstone::new().x86() [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] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/call.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let mut cs = Capstone::new().x86() [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] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `jazz-jit` due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/avx.rs:241:5 [INFO] [stdout] | [INFO] [stdout] 241 | (0x4 << 4 | w << 3 | r << 2 | x << 1 | b) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 241 - (0x4 << 4 | w << 3 | r << 2 | x << 1 | b) [INFO] [stdout] 241 + 0x4 << 4 | w << 3 | r << 2 | x << 1 | b [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/dseg.rs:71:58 [INFO] [stdout] | [INFO] [stdout] 71 | Value::Ptr(v) => *(entry_ptr as *mut (*const u8)) = v, [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 71 - Value::Ptr(v) => *(entry_ptr as *mut (*const u8)) = v, [INFO] [stdout] 71 + Value::Ptr(v) => *(entry_ptr as *mut *const u8) = v, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:65:51 [INFO] [stdout] | [INFO] [stdout] 65 | let mut content: *mut libc::c_void = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: attribute should be applied to a free function, impl method or static [INFO] [stdout] --> src/assembler_x64.rs:2531:1 [INFO] [stdout] | [INFO] [stdout] 2531 | #[no_mangle] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 2532 | use crate::avx::*; [INFO] [stdout] | ------------------ not a free function, impl method or static [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Vec`, which is not FFI-safe [INFO] [stdout] --> src/assembler.rs:52:32 [INFO] [stdout] | [INFO] [stdout] 52 | pub extern "C" fn new() -> Assembler { [INFO] [stdout] | ^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Vec`, which is not FFI-safe [INFO] [stdout] --> src/dseg.rs:46:32 [INFO] [stdout] | [INFO] [stdout] 46 | pub extern "C" fn new() -> DSeg { [INFO] [stdout] | ^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Vec`, which is not FFI-safe [INFO] [stdout] --> src/utils/mod.rs:1:52 [INFO] [stdout] | [INFO] [stdout] 1 | pub extern "C" fn copy_vec(v: &Vec) -> Vec { [INFO] [stdout] | ^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "98c4c4c583667c13ab5a4f8fe4498f994de85fb35e96184bb30554adf4a32b5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98c4c4c583667c13ab5a4f8fe4498f994de85fb35e96184bb30554adf4a32b5e", kill_on_drop: false }` [INFO] [stdout] 98c4c4c583667c13ab5a4f8fe4498f994de85fb35e96184bb30554adf4a32b5e