[INFO] crate oasis-std 0.4.1 is already in cache
[INFO] checking oasis-std-0.4.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate oasis-std 0.4.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate oasis-std 0.4.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate oasis-std 0.4.1
[INFO] finished tweaking crates.io crate oasis-std 0.4.1
[INFO] tweaked toml for crates.io crate oasis-std 0.4.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ef81966a904dfc09b883bb10651c54c35b4518790dc89617021f8be99ccd76a
[INFO] running `"docker" "start" "-a" "5ef81966a904dfc09b883bb10651c54c35b4518790dc89617021f8be99ccd76a"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling oasis-borsh-derive-internal v0.2.12
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.14
[INFO] [stderr]    Compiling oasis-borsh-derive v0.2.10
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling oasis-macros v0.3.0
[INFO] [stderr]     Checking oasis-borsh v0.2.11
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking thiserror v1.0.14
[INFO] [stderr]     Checking oasis-types v0.4.0
[INFO] [stderr]     Checking blockchain-traits v0.4.1
[INFO] [stderr]     Checking memchain v0.4.1
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking oasis-test v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking oasis-client v0.1.1
[INFO] [stderr]     Checking oasis-std v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     bind_by_move_pattern_guards,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     non_exhaustive,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]  --> src/backend/ext.rs:8:62
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn oasis_code(addr: *const Address, buf: *mut u8) -> ExtStatusCode;
[INFO] [stderr]   |                                                              ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]   = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]  --> src/backend/ext.rs:9:67
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn oasis_code_len(addr: *const Address, len: *mut u32) -> ExtStatusCode;
[INFO] [stderr]   |                                                                   ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]   |
[INFO] [stderr]   = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn oasis_fetch_input(buf: *mut u8) -> ExtStatusCode;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:12:46
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn oasis_input_len(len: *mut u32) -> ExtStatusCode;
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:14:51
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn oasis_ret(buf: *const u8, len: u32) -> ExtStatusCode;
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:15:51
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn oasis_err(buf: *const u8, len: u32) -> ExtStatusCode;
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:17:45
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn oasis_fetch_ret(buf: *mut u8) -> ExtStatusCode;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:18:44
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn oasis_ret_len(len: *mut u32) -> ExtStatusCode;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:20:45
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn oasis_fetch_err(buf: *mut u8) -> ExtStatusCode;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:21:44
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn oasis_err_len(len: *mut u32) -> ExtStatusCode;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:23:45
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn oasis_fetch_aad(buf: *mut u8) -> ExtStatusCode;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:24:44
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn oasis_aad_len(len: *mut u32) -> ExtStatusCode;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:37:49
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn oasis_address(addr: *mut Address) -> ExtStatusCode;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:38:48
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn oasis_sender(addr: *mut Address) -> ExtStatusCode;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:39:47
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn oasis_payer(addr: *mut Address) -> ExtStatusCode;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:43:72
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn oasis_read(key: *const u8, key_len: u32, value: *mut u8) -> ExtStatusCode;
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:44:81
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn oasis_read_len(key: *const u8, key_len: u32, value_len: *mut u32) -> ExtStatusCode;
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 |     ) -> ExtStatusCode;
[INFO] [stderr]    |          ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:58:10
[INFO] [stderr]    |
[INFO] [stderr] 58 |     ) -> ExtStatusCode;
[INFO] [stderr]    |          ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     bind_by_move_pattern_guards,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `non_exhaustive` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     non_exhaustive,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]  --> src/backend/ext.rs:8:62
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub fn oasis_code(addr: *const Address, buf: *mut u8) -> ExtStatusCode;
[INFO] [stderr]   |                                                              ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]   = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]  --> src/backend/ext.rs:9:67
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn oasis_code_len(addr: *const Address, len: *mut u32) -> ExtStatusCode;
[INFO] [stderr]   |                                                                   ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]   |
[INFO] [stderr]   = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:11:47
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn oasis_fetch_input(buf: *mut u8) -> ExtStatusCode;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:12:46
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn oasis_input_len(len: *mut u32) -> ExtStatusCode;
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:14:51
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn oasis_ret(buf: *const u8, len: u32) -> ExtStatusCode;
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:15:51
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn oasis_err(buf: *const u8, len: u32) -> ExtStatusCode;
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:17:45
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn oasis_fetch_ret(buf: *mut u8) -> ExtStatusCode;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:18:44
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn oasis_ret_len(len: *mut u32) -> ExtStatusCode;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:20:45
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn oasis_fetch_err(buf: *mut u8) -> ExtStatusCode;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:21:44
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn oasis_err_len(len: *mut u32) -> ExtStatusCode;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:23:45
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn oasis_fetch_aad(buf: *mut u8) -> ExtStatusCode;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:24:44
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn oasis_aad_len(len: *mut u32) -> ExtStatusCode;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:37:49
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn oasis_address(addr: *mut Address) -> ExtStatusCode;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:38:48
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn oasis_sender(addr: *mut Address) -> ExtStatusCode;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:39:47
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn oasis_payer(addr: *mut Address) -> ExtStatusCode;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:43:72
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn oasis_read(key: *const u8, key_len: u32, value: *mut u8) -> ExtStatusCode;
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:44:81
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn oasis_read_len(key: *const u8, key_len: u32, value_len: *mut u32) -> ExtStatusCode;
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 |     ) -> ExtStatusCode;
[INFO] [stderr]    |          ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `oasis_types::ExtStatusCode`, which is not FFI-safe
[INFO] [stderr]   --> src/backend/ext.rs:58:10
[INFO] [stderr]    |
[INFO] [stderr] 58 |     ) -> ExtStatusCode;
[INFO] [stderr]    |          ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: this enum is non-exhaustive
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `"docker" "inspect" "5ef81966a904dfc09b883bb10651c54c35b4518790dc89617021f8be99ccd76a"`
[INFO] running `"docker" "rm" "-f" "5ef81966a904dfc09b883bb10651c54c35b4518790dc89617021f8be99ccd76a"`
[INFO] [stdout] 5ef81966a904dfc09b883bb10651c54c35b4518790dc89617021f8be99ccd76a
