[INFO] fetching crate consistenttime 0.2.0...
[INFO] testing consistenttime-0.2.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate consistenttime 0.2.0 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate consistenttime 0.2.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate consistenttime 0.2.0
[INFO] finished tweaking crates.io crate consistenttime 0.2.0
[INFO] tweaked toml for crates.io crate consistenttime 0.2.0 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1e8972afc3b0a47eb9c39a65b4504aed819288c46ccade576fc1c556654aee9
[INFO] running `Command { std: "docker" "start" "-a" "b1e8972afc3b0a47eb9c39a65b4504aed819288c46ccade576fc1c556654aee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1e8972afc3b0a47eb9c39a65b4504aed819288c46ccade576fc1c556654aee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e8972afc3b0a47eb9c39a65b4504aed819288c46ccade576fc1c556654aee9", kill_on_drop: false }`
[INFO] [stdout] b1e8972afc3b0a47eb9c39a65b4504aed819288c46ccade576fc1c556654aee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26d0df517d80864f9707fc0bd7117c8ea1025a400e76a302765b6041bf2a728f
[INFO] running `Command { std: "docker" "start" "-a" "26d0df517d80864f9707fc0bd7117c8ea1025a400e76a302765b6041bf2a728f", kill_on_drop: false }`
[INFO] [stderr]    Compiling consistenttime v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 225 | / ct_eq_slice_gen!(ct_u8_slice_eq,ct_u8_eq,u8;;
[INFO] [stdout] 226 | |     test_ct_u8_slice_eq, MAX_U8);
[INFO] [stdout]     | |_________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 225 | / ct_eq_slice_gen!(ct_u8_slice_eq,ct_u8_eq,u8;;
[INFO] [stdout] 226 | |     test_ct_u8_slice_eq, MAX_U8);
[INFO] [stdout]     | |_________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 227 | / ct_eq_slice_gen!(ct_u16_slice_eq,ct_u16_eq,u16;;
[INFO] [stdout] 228 | |     test_ct_u16_slice_eq, MAX_U16);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 227 | / ct_eq_slice_gen!(ct_u16_slice_eq,ct_u16_eq,u16;;
[INFO] [stdout] 228 | |     test_ct_u16_slice_eq, MAX_U16);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 229 | / ct_eq_slice_gen!(ct_u32_slice_eq,ct_u32_eq,u32;;
[INFO] [stdout] 230 | |     test_ct_u32_slice_eq, MAX_U32);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 229 | / ct_eq_slice_gen!(ct_u32_slice_eq,ct_u32_eq,u32;;
[INFO] [stdout] 230 | |     test_ct_u32_slice_eq, MAX_U32);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 231 | / ct_eq_slice_gen!(ct_u64_slice_eq,ct_u64_eq,u64;;
[INFO] [stdout] 232 | |     test_ct_u64_slice_eq, MAX_U64);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 231 | / ct_eq_slice_gen!(ct_u64_slice_eq,ct_u64_eq,u64;;
[INFO] [stdout] 232 | |     test_ct_u64_slice_eq, MAX_U64);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 233 | / ct_eq_slice_gen!(ct_usize_slice_eq,ct_usize_eq,usize;;
[INFO] [stdout] 234 | |     test_ct_usize_slice_eq, MAX_USIZE);
[INFO] [stdout]     | |_______________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 233 | / ct_eq_slice_gen!(ct_usize_slice_eq,ct_usize_eq,usize;;
[INFO] [stdout] 234 | |     test_ct_usize_slice_eq, MAX_USIZE);
[INFO] [stdout]     | |_______________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 338 | / ct_constant_copy_gen!(ct_copy_u8,MAX_U8,u8,ct_select_u8;;
[INFO] [stdout] 339 | |     test_ct_copy_u8,ct_u8_slice_eq,test_ct_copy_u8_panic);
[INFO] [stdout]     | |__________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 338 | / ct_constant_copy_gen!(ct_copy_u8,MAX_U8,u8,ct_select_u8;;
[INFO] [stdout] 339 | |     test_ct_copy_u8,ct_u8_slice_eq,test_ct_copy_u8_panic);
[INFO] [stdout]     | |__________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 340 | / ct_constant_copy_gen!(ct_copy_u16,MAX_U16,u16,ct_select_u16;;
[INFO] [stdout] 341 | |     test_ct_copy_u16,ct_u16_slice_eq,test_ct_copy_u16_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 340 | / ct_constant_copy_gen!(ct_copy_u16,MAX_U16,u16,ct_select_u16;;
[INFO] [stdout] 341 | |     test_ct_copy_u16,ct_u16_slice_eq,test_ct_copy_u16_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 342 | / ct_constant_copy_gen!(ct_copy_u32,MAX_U32,u32,ct_select_u32;;
[INFO] [stdout] 343 | |     test_ct_copy_u32,ct_u32_slice_eq,test_ct_copy_u32_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 342 | / ct_constant_copy_gen!(ct_copy_u32,MAX_U32,u32,ct_select_u32;;
[INFO] [stdout] 343 | |     test_ct_copy_u32,ct_u32_slice_eq,test_ct_copy_u32_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 344 | / ct_constant_copy_gen!(ct_copy_u64,MAX_U64,u64,ct_select_u64;;
[INFO] [stdout] 345 | |     test_ct_copy_u64,ct_u64_slice_eq,test_ct_copy_u64_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 344 | / ct_constant_copy_gen!(ct_copy_u64,MAX_U64,u64,ct_select_u64;;
[INFO] [stdout] 345 | |     test_ct_copy_u64,ct_u64_slice_eq,test_ct_copy_u64_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 346 | / ct_constant_copy_gen!(ct_copy_usize,MAX_USIZE,usize,ct_select_usize;;
[INFO] [stdout] 347 | |     test_ct_copy_usize,ct_usize_slice_eq,test_ct_copy_usize_panic);
[INFO] [stdout]     | |___________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 346 | / ct_constant_copy_gen!(ct_copy_usize,MAX_USIZE,usize,ct_select_usize;;
[INFO] [stdout] 347 | |     test_ct_copy_usize,ct_usize_slice_eq,test_ct_copy_usize_panic);
[INFO] [stdout]     | |___________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "26d0df517d80864f9707fc0bd7117c8ea1025a400e76a302765b6041bf2a728f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d0df517d80864f9707fc0bd7117c8ea1025a400e76a302765b6041bf2a728f", kill_on_drop: false }`
[INFO] [stdout] 26d0df517d80864f9707fc0bd7117c8ea1025a400e76a302765b6041bf2a728f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bb5ddcd87781c2ea0568e6d2020c2caeeaa0d0830d7ea5ef31d9669114b53ec
[INFO] running `Command { std: "docker" "start" "-a" "3bb5ddcd87781c2ea0568e6d2020c2caeeaa0d0830d7ea5ef31d9669114b53ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 225 | / ct_eq_slice_gen!(ct_u8_slice_eq,ct_u8_eq,u8;;
[INFO] [stdout] 226 | |     test_ct_u8_slice_eq, MAX_U8);
[INFO] [stdout]     | |_________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 225 | / ct_eq_slice_gen!(ct_u8_slice_eq,ct_u8_eq,u8;;
[INFO] [stdout] 226 | |     test_ct_u8_slice_eq, MAX_U8);
[INFO] [stdout]     | |_________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 227 | / ct_eq_slice_gen!(ct_u16_slice_eq,ct_u16_eq,u16;;
[INFO] [stdout] 228 | |     test_ct_u16_slice_eq, MAX_U16);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 227 | / ct_eq_slice_gen!(ct_u16_slice_eq,ct_u16_eq,u16;;
[INFO] [stdout] 228 | |     test_ct_u16_slice_eq, MAX_U16);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 229 | / ct_eq_slice_gen!(ct_u32_slice_eq,ct_u32_eq,u32;;
[INFO] [stdout] 230 | |     test_ct_u32_slice_eq, MAX_U32);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 229 | / ct_eq_slice_gen!(ct_u32_slice_eq,ct_u32_eq,u32;;
[INFO] [stdout] 230 | |     test_ct_u32_slice_eq, MAX_U32);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 231 | / ct_eq_slice_gen!(ct_u64_slice_eq,ct_u64_eq,u64;;
[INFO] [stdout] 232 | |     test_ct_u64_slice_eq, MAX_U64);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 231 | / ct_eq_slice_gen!(ct_u64_slice_eq,ct_u64_eq,u64;;
[INFO] [stdout] 232 | |     test_ct_u64_slice_eq, MAX_U64);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 233 | / ct_eq_slice_gen!(ct_usize_slice_eq,ct_usize_eq,usize;;
[INFO] [stdout] 234 | |     test_ct_usize_slice_eq, MAX_USIZE);
[INFO] [stdout]     | |_______________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 233 | / ct_eq_slice_gen!(ct_usize_slice_eq,ct_usize_eq,usize;;
[INFO] [stdout] 234 | |     test_ct_usize_slice_eq, MAX_USIZE);
[INFO] [stdout]     | |_______________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 338 | / ct_constant_copy_gen!(ct_copy_u8,MAX_U8,u8,ct_select_u8;;
[INFO] [stdout] 339 | |     test_ct_copy_u8,ct_u8_slice_eq,test_ct_copy_u8_panic);
[INFO] [stdout]     | |__________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 338 | / ct_constant_copy_gen!(ct_copy_u8,MAX_U8,u8,ct_select_u8;;
[INFO] [stdout] 339 | |     test_ct_copy_u8,ct_u8_slice_eq,test_ct_copy_u8_panic);
[INFO] [stdout]     | |__________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 340 | / ct_constant_copy_gen!(ct_copy_u16,MAX_U16,u16,ct_select_u16;;
[INFO] [stdout] 341 | |     test_ct_copy_u16,ct_u16_slice_eq,test_ct_copy_u16_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 340 | / ct_constant_copy_gen!(ct_copy_u16,MAX_U16,u16,ct_select_u16;;
[INFO] [stdout] 341 | |     test_ct_copy_u16,ct_u16_slice_eq,test_ct_copy_u16_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 342 | / ct_constant_copy_gen!(ct_copy_u32,MAX_U32,u32,ct_select_u32;;
[INFO] [stdout] 343 | |     test_ct_copy_u32,ct_u32_slice_eq,test_ct_copy_u32_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 342 | / ct_constant_copy_gen!(ct_copy_u32,MAX_U32,u32,ct_select_u32;;
[INFO] [stdout] 343 | |     test_ct_copy_u32,ct_u32_slice_eq,test_ct_copy_u32_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 344 | / ct_constant_copy_gen!(ct_copy_u64,MAX_U64,u64,ct_select_u64;;
[INFO] [stdout] 345 | |     test_ct_copy_u64,ct_u64_slice_eq,test_ct_copy_u64_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 344 | / ct_constant_copy_gen!(ct_copy_u64,MAX_U64,u64,ct_select_u64;;
[INFO] [stdout] 345 | |     test_ct_copy_u64,ct_u64_slice_eq,test_ct_copy_u64_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 346 | / ct_constant_copy_gen!(ct_copy_usize,MAX_USIZE,usize,ct_select_usize;;
[INFO] [stdout] 347 | |     test_ct_copy_usize,ct_usize_slice_eq,test_ct_copy_usize_panic);
[INFO] [stdout]     | |___________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 346 | / ct_constant_copy_gen!(ct_copy_usize,MAX_USIZE,usize,ct_select_usize;;
[INFO] [stdout] 347 | |     test_ct_copy_usize,ct_usize_slice_eq,test_ct_copy_usize_panic);
[INFO] [stdout]     | |___________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling consistenttime v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 225 | / ct_eq_slice_gen!(ct_u8_slice_eq,ct_u8_eq,u8;;
[INFO] [stdout] 226 | |     test_ct_u8_slice_eq, MAX_U8);
[INFO] [stdout]     | |_________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 225 | / ct_eq_slice_gen!(ct_u8_slice_eq,ct_u8_eq,u8;;
[INFO] [stdout] 226 | |     test_ct_u8_slice_eq, MAX_U8);
[INFO] [stdout]     | |_________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 227 | / ct_eq_slice_gen!(ct_u16_slice_eq,ct_u16_eq,u16;;
[INFO] [stdout] 228 | |     test_ct_u16_slice_eq, MAX_U16);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 227 | / ct_eq_slice_gen!(ct_u16_slice_eq,ct_u16_eq,u16;;
[INFO] [stdout] 228 | |     test_ct_u16_slice_eq, MAX_U16);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 229 | / ct_eq_slice_gen!(ct_u32_slice_eq,ct_u32_eq,u32;;
[INFO] [stdout] 230 | |     test_ct_u32_slice_eq, MAX_U32);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 229 | / ct_eq_slice_gen!(ct_u32_slice_eq,ct_u32_eq,u32;;
[INFO] [stdout] 230 | |     test_ct_u32_slice_eq, MAX_U32);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 231 | / ct_eq_slice_gen!(ct_u64_slice_eq,ct_u64_eq,u64;;
[INFO] [stdout] 232 | |     test_ct_u64_slice_eq, MAX_U64);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 231 | / ct_eq_slice_gen!(ct_u64_slice_eq,ct_u64_eq,u64;;
[INFO] [stdout] 232 | |     test_ct_u64_slice_eq, MAX_U64);
[INFO] [stdout]     | |___________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 233 | / ct_eq_slice_gen!(ct_usize_slice_eq,ct_usize_eq,usize;;
[INFO] [stdout] 234 | |     test_ct_usize_slice_eq, MAX_USIZE);
[INFO] [stdout]     | |_______________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:50
[INFO] [stdout]     |
[INFO] [stdout] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 233 | / ct_eq_slice_gen!(ct_usize_slice_eq,ct_usize_eq,usize;;
[INFO] [stdout] 234 | |     test_ct_usize_slice_eq, MAX_USIZE);
[INFO] [stdout]     | |_______________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 338 | / ct_constant_copy_gen!(ct_copy_u8,MAX_U8,u8,ct_select_u8;;
[INFO] [stdout] 339 | |     test_ct_copy_u8,ct_u8_slice_eq,test_ct_copy_u8_panic);
[INFO] [stdout]     | |__________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 338 | / ct_constant_copy_gen!(ct_copy_u8,MAX_U8,u8,ct_select_u8;;
[INFO] [stdout] 339 | |     test_ct_copy_u8,ct_u8_slice_eq,test_ct_copy_u8_panic);
[INFO] [stdout]     | |__________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 340 | / ct_constant_copy_gen!(ct_copy_u16,MAX_U16,u16,ct_select_u16;;
[INFO] [stdout] 341 | |     test_ct_copy_u16,ct_u16_slice_eq,test_ct_copy_u16_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 340 | / ct_constant_copy_gen!(ct_copy_u16,MAX_U16,u16,ct_select_u16;;
[INFO] [stdout] 341 | |     test_ct_copy_u16,ct_u16_slice_eq,test_ct_copy_u16_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 342 | / ct_constant_copy_gen!(ct_copy_u32,MAX_U32,u32,ct_select_u32;;
[INFO] [stdout] 343 | |     test_ct_copy_u32,ct_u32_slice_eq,test_ct_copy_u32_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 342 | / ct_constant_copy_gen!(ct_copy_u32,MAX_U32,u32,ct_select_u32;;
[INFO] [stdout] 343 | |     test_ct_copy_u32,ct_u32_slice_eq,test_ct_copy_u32_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 344 | / ct_constant_copy_gen!(ct_copy_u64,MAX_U64,u64,ct_select_u64;;
[INFO] [stdout] 345 | |     test_ct_copy_u64,ct_u64_slice_eq,test_ct_copy_u64_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 344 | / ct_constant_copy_gen!(ct_copy_u64,MAX_U64,u64,ct_select_u64;;
[INFO] [stdout] 345 | |     test_ct_copy_u64,ct_u64_slice_eq,test_ct_copy_u64_panic);
[INFO] [stdout]     | |_____________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:48
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 346 | / ct_constant_copy_gen!(ct_copy_usize,MAX_USIZE,usize,ct_select_usize;;
[INFO] [stdout] 347 | |     test_ct_copy_usize,ct_usize_slice_eq,test_ct_copy_usize_panic);
[INFO] [stdout]     | |___________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:303:65
[INFO] [stdout]     |
[INFO] [stdout] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stdout]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stdout] ...
[INFO] [stdout] 346 | / ct_constant_copy_gen!(ct_copy_usize,MAX_USIZE,usize,ct_select_usize;;
[INFO] [stdout] 347 | |     test_ct_copy_usize,ct_usize_slice_eq,test_ct_copy_usize_panic);
[INFO] [stdout]     | |___________________________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a raw pointer instead
[INFO] [stdout]     = note: slices have no C equivalent
[INFO] [stdout]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "3bb5ddcd87781c2ea0568e6d2020c2caeeaa0d0830d7ea5ef31d9669114b53ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bb5ddcd87781c2ea0568e6d2020c2caeeaa0d0830d7ea5ef31d9669114b53ec", kill_on_drop: false }`
[INFO] [stdout] 3bb5ddcd87781c2ea0568e6d2020c2caeeaa0d0830d7ea5ef31d9669114b53ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b448318dacf87a4c05e189984eefc505f4fe40755cc0ee788a2c716ede3104a
[INFO] running `Command { std: "docker" "start" "-a" "9b448318dacf87a4c05e189984eefc505f4fe40755cc0ee788a2c716ede3104a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:37
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 225 | / ct_eq_slice_gen!(ct_u8_slice_eq,ct_u8_eq,u8;;
[INFO] [stderr] 226 | |     test_ct_u8_slice_eq, MAX_U8);
[INFO] [stderr]     | |_________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:50
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 225 | / ct_eq_slice_gen!(ct_u8_slice_eq,ct_u8_eq,u8;;
[INFO] [stderr] 226 | |     test_ct_u8_slice_eq, MAX_U8);
[INFO] [stderr]     | |_________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:37
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 227 | / ct_eq_slice_gen!(ct_u16_slice_eq,ct_u16_eq,u16;;
[INFO] [stderr] 228 | |     test_ct_u16_slice_eq, MAX_U16);
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:50
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 227 | / ct_eq_slice_gen!(ct_u16_slice_eq,ct_u16_eq,u16;;
[INFO] [stderr] 228 | |     test_ct_u16_slice_eq, MAX_U16);
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:37
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 229 | / ct_eq_slice_gen!(ct_u32_slice_eq,ct_u32_eq,u32;;
[INFO] [stderr] 230 | |     test_ct_u32_slice_eq, MAX_U32);
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:50
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 229 | / ct_eq_slice_gen!(ct_u32_slice_eq,ct_u32_eq,u32;;
[INFO] [stderr] 230 | |     test_ct_u32_slice_eq, MAX_U32);
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:37
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 231 | / ct_eq_slice_gen!(ct_u64_slice_eq,ct_u64_eq,u64;;
[INFO] [stderr] 232 | |     test_ct_u64_slice_eq, MAX_U64);
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:50
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 231 | / ct_eq_slice_gen!(ct_u64_slice_eq,ct_u64_eq,u64;;
[INFO] [stderr] 232 | |     test_ct_u64_slice_eq, MAX_U64);
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:37
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 233 | / ct_eq_slice_gen!(ct_usize_slice_eq,ct_usize_eq,usize;;
[INFO] [stderr] 234 | |     test_ct_usize_slice_eq, MAX_USIZE);
[INFO] [stderr]     | |_______________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:50
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 233 | / ct_eq_slice_gen!(ct_usize_slice_eq,ct_usize_eq,usize;;
[INFO] [stderr] 234 | |     test_ct_usize_slice_eq, MAX_USIZE);
[INFO] [stderr]     | |_______________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:48
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 338 | / ct_constant_copy_gen!(ct_copy_u8,MAX_U8,u8,ct_select_u8;;
[INFO] [stderr] 339 | |     test_ct_copy_u8,ct_u8_slice_eq,test_ct_copy_u8_panic);
[INFO] [stderr]     | |__________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:65
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 338 | / ct_constant_copy_gen!(ct_copy_u8,MAX_U8,u8,ct_select_u8;;
[INFO] [stderr] 339 | |     test_ct_copy_u8,ct_u8_slice_eq,test_ct_copy_u8_panic);
[INFO] [stderr]     | |__________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:48
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 340 | / ct_constant_copy_gen!(ct_copy_u16,MAX_U16,u16,ct_select_u16;;
[INFO] [stderr] 341 | |     test_ct_copy_u16,ct_u16_slice_eq,test_ct_copy_u16_panic);
[INFO] [stderr]     | |_____________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:65
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 340 | / ct_constant_copy_gen!(ct_copy_u16,MAX_U16,u16,ct_select_u16;;
[INFO] [stderr] 341 | |     test_ct_copy_u16,ct_u16_slice_eq,test_ct_copy_u16_panic);
[INFO] [stderr]     | |_____________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:48
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 342 | / ct_constant_copy_gen!(ct_copy_u32,MAX_U32,u32,ct_select_u32;;
[INFO] [stderr] 343 | |     test_ct_copy_u32,ct_u32_slice_eq,test_ct_copy_u32_panic);
[INFO] [stderr]     | |_____________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:65
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 342 | / ct_constant_copy_gen!(ct_copy_u32,MAX_U32,u32,ct_select_u32;;
[INFO] [stderr] 343 | |     test_ct_copy_u32,ct_u32_slice_eq,test_ct_copy_u32_panic);
[INFO] [stderr]     | |_____________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:48
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 344 | / ct_constant_copy_gen!(ct_copy_u64,MAX_U64,u64,ct_select_u64;;
[INFO] [stderr] 345 | |     test_ct_copy_u64,ct_u64_slice_eq,test_ct_copy_u64_panic);
[INFO] [stderr]     | |_____________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:65
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 344 | / ct_constant_copy_gen!(ct_copy_u64,MAX_U64,u64,ct_select_u64;;
[INFO] [stderr] 345 | |     test_ct_copy_u64,ct_u64_slice_eq,test_ct_copy_u64_panic);
[INFO] [stderr]     | |_____________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:48
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 346 | / ct_constant_copy_gen!(ct_copy_usize,MAX_USIZE,usize,ct_select_usize;;
[INFO] [stderr] 347 | |     test_ct_copy_usize,ct_usize_slice_eq,test_ct_copy_usize_panic);
[INFO] [stderr]     | |___________________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:65
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 346 | / ct_constant_copy_gen!(ct_copy_usize,MAX_USIZE,usize,ct_select_usize;;
[INFO] [stderr] 347 | |     test_ct_copy_usize,ct_usize_slice_eq,test_ct_copy_usize_panic);
[INFO] [stderr]     | |___________________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:37
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 225 | / ct_eq_slice_gen!(ct_u8_slice_eq,ct_u8_eq,u8;;
[INFO] [stderr] 226 | |     test_ct_u8_slice_eq, MAX_U8);
[INFO] [stderr]     | |_________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:50
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 225 | / ct_eq_slice_gen!(ct_u8_slice_eq,ct_u8_eq,u8;;
[INFO] [stderr] 226 | |     test_ct_u8_slice_eq, MAX_U8);
[INFO] [stderr]     | |_________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:37
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 227 | / ct_eq_slice_gen!(ct_u16_slice_eq,ct_u16_eq,u16;;
[INFO] [stderr] 228 | |     test_ct_u16_slice_eq, MAX_U16);
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:50
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 227 | / ct_eq_slice_gen!(ct_u16_slice_eq,ct_u16_eq,u16;;
[INFO] [stderr] 228 | |     test_ct_u16_slice_eq, MAX_U16);
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:37
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 229 | / ct_eq_slice_gen!(ct_u32_slice_eq,ct_u32_eq,u32;;
[INFO] [stderr] 230 | |     test_ct_u32_slice_eq, MAX_U32);
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:50
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 229 | / ct_eq_slice_gen!(ct_u32_slice_eq,ct_u32_eq,u32;;
[INFO] [stderr] 230 | |     test_ct_u32_slice_eq, MAX_U32);
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:37
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 231 | / ct_eq_slice_gen!(ct_u64_slice_eq,ct_u64_eq,u64;;
[INFO] [stderr] 232 | |     test_ct_u64_slice_eq, MAX_U64);
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:50
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 231 | / ct_eq_slice_gen!(ct_u64_slice_eq,ct_u64_eq,u64;;
[INFO] [stderr] 232 | |     test_ct_u64_slice_eq, MAX_U64);
[INFO] [stderr]     | |___________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:37
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                       ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 233 | / ct_eq_slice_gen!(ct_usize_slice_eq,ct_usize_eq,usize;;
[INFO] [stderr] 234 | |     test_ct_usize_slice_eq, MAX_USIZE);
[INFO] [stderr]     | |_______________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:199:50
[INFO] [stderr]     |
[INFO] [stderr] 199 |           pub extern "C" fn $name( x: &[$code], y: &[$code]) -> bool {
[INFO] [stderr]     |                                                    ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 233 | / ct_eq_slice_gen!(ct_usize_slice_eq,ct_usize_eq,usize;;
[INFO] [stderr] 234 | |     test_ct_usize_slice_eq, MAX_USIZE);
[INFO] [stderr]     | |_______________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_eq_slice_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:48
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 338 | / ct_constant_copy_gen!(ct_copy_u8,MAX_U8,u8,ct_select_u8;;
[INFO] [stderr] 339 | |     test_ct_copy_u8,ct_u8_slice_eq,test_ct_copy_u8_panic);
[INFO] [stderr]     | |__________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u8]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:65
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 338 | / ct_constant_copy_gen!(ct_copy_u8,MAX_U8,u8,ct_select_u8;;
[INFO] [stderr] 339 | |     test_ct_copy_u8,ct_u8_slice_eq,test_ct_copy_u8_panic);
[INFO] [stderr]     | |__________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:48
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 340 | / ct_constant_copy_gen!(ct_copy_u16,MAX_U16,u16,ct_select_u16;;
[INFO] [stderr] 341 | |     test_ct_copy_u16,ct_u16_slice_eq,test_ct_copy_u16_panic);
[INFO] [stderr]     | |_____________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u16]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:65
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 340 | / ct_constant_copy_gen!(ct_copy_u16,MAX_U16,u16,ct_select_u16;;
[INFO] [stderr] 341 | |     test_ct_copy_u16,ct_u16_slice_eq,test_ct_copy_u16_panic);
[INFO] [stderr]     | |_____________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:48
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 342 | / ct_constant_copy_gen!(ct_copy_u32,MAX_U32,u32,ct_select_u32;;
[INFO] [stderr] 343 | |     test_ct_copy_u32,ct_u32_slice_eq,test_ct_copy_u32_panic);
[INFO] [stderr]     | |_____________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u32]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:65
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 342 | / ct_constant_copy_gen!(ct_copy_u32,MAX_U32,u32,ct_select_u32;;
[INFO] [stderr] 343 | |     test_ct_copy_u32,ct_u32_slice_eq,test_ct_copy_u32_panic);
[INFO] [stderr]     | |_____________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:48
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 344 | / ct_constant_copy_gen!(ct_copy_u64,MAX_U64,u64,ct_select_u64;;
[INFO] [stderr] 345 | |     test_ct_copy_u64,ct_u64_slice_eq,test_ct_copy_u64_panic);
[INFO] [stderr]     | |_____________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[u64]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:65
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 344 | / ct_constant_copy_gen!(ct_copy_u64,MAX_U64,u64,ct_select_u64;;
[INFO] [stderr] 345 | |     test_ct_copy_u64,ct_u64_slice_eq,test_ct_copy_u64_panic);
[INFO] [stderr]     | |_____________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:48
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 346 | / ct_constant_copy_gen!(ct_copy_usize,MAX_USIZE,usize,ct_select_usize;;
[INFO] [stderr] 347 | |     test_ct_copy_usize,ct_usize_slice_eq,test_ct_copy_usize_panic);
[INFO] [stderr]     | |___________________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `[usize]`, which is not FFI-safe
[INFO] [stderr]    --> src/lib.rs:303:65
[INFO] [stderr]     |
[INFO] [stderr] 303 |           pub extern "C" fn $name(flag: bool, x: &mut [$code], y: &[$code]) {
[INFO] [stderr]     |                                                                   ^^^^^^^^ not FFI-safe
[INFO] [stderr] ...
[INFO] [stderr] 346 | / ct_constant_copy_gen!(ct_copy_usize,MAX_USIZE,usize,ct_select_usize;;
[INFO] [stderr] 347 | |     test_ct_copy_usize,ct_usize_slice_eq,test_ct_copy_usize_panic);
[INFO] [stderr]     | |___________________________________________________________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a raw pointer instead
[INFO] [stderr]     = note: slices have no C equivalent
[INFO] [stderr]     = note: this warning originates in the macro `ct_constant_copy_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/consistenttime-2302a35c5e7e4db0)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test test_bool_representation ... ok
[INFO] [stdout] test test_ct_copy_u16 ... ok
[INFO] [stdout] test test_ct_copy_u32 ... ok
[INFO] [stdout] test test_ct_copy_u64 ... ok
[INFO] [stdout] test test_ct_copy_u8 ... ok
[INFO] [stdout] test test_ct_copy_usize ... ok
[INFO] [stdout] test test_ct_select_u16 ... ok
[INFO] [stdout] test test_ct_select_u32 ... ok
[INFO] [stdout] test test_ct_select_u64 ... ok
[INFO] [stdout] test test_ct_select_u8 ... ok
[INFO] [stdout] test test_ct_select_usize ... ok
[INFO] [stdout] test test_ct_u16_eq ... ok
[INFO] [stdout] test test_ct_u16_slice_eq ... ok
[INFO] [stdout] test test_ct_u32_eq ... ok
[INFO] [stdout] test test_ct_u32_slice_eq ... ok
[INFO] [stdout] test test_ct_u64_eq ... ok
[INFO] [stdout] test test_ct_u64_slice_eq ... ok
[INFO] [stdout] test test_ct_u8_slice_eq ... ok
[INFO] [stdout] test test_ct_usize_eq ... ok
[INFO] [stdout] test test_ct_usize_slice_eq ... ok
[INFO] [stdout] test test_ct_u8_eq ... ok
[INFO] [stderr]    Doc-tests consistenttime
[INFO] [stdout] test test_ct_copy_u16_panic - should panic ... ok
[INFO] [stdout] test test_ct_copy_u32_panic - should panic ... ok
[INFO] [stdout] test test_ct_copy_u8_panic - should panic ... ok
[INFO] [stdout] test test_ct_copy_usize_panic - should panic ... ok
[INFO] [stdout] test test_ct_copy_u64_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9b448318dacf87a4c05e189984eefc505f4fe40755cc0ee788a2c716ede3104a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b448318dacf87a4c05e189984eefc505f4fe40755cc0ee788a2c716ede3104a", kill_on_drop: false }`
[INFO] [stdout] 9b448318dacf87a4c05e189984eefc505f4fe40755cc0ee788a2c716ede3104a
