[INFO] fetching crate oasis-test 0.4.1...
[INFO] checking oasis-test-0.4.1 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate oasis-test 0.4.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate oasis-test 0.4.1 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oasis-test 0.4.1
[INFO] finished tweaking crates.io crate oasis-test 0.4.1
[INFO] tweaked toml for crates.io crate oasis-test 0.4.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d49ffa60fa13e1e93fce0e4acb40acff94f51ae46c7ad165551a1d5ac4eae9d
[INFO] running `Command { std: "docker" "start" "-a" "9d49ffa60fa13e1e93fce0e4acb40acff94f51ae46c7ad165551a1d5ac4eae9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d49ffa60fa13e1e93fce0e4acb40acff94f51ae46c7ad165551a1d5ac4eae9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d49ffa60fa13e1e93fce0e4acb40acff94f51ae46c7ad165551a1d5ac4eae9d", kill_on_drop: false }`
[INFO] [stdout] 9d49ffa60fa13e1e93fce0e4acb40acff94f51ae46c7ad165551a1d5ac4eae9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fca2cd693adefe6a90ed1506766b7e31c55dc326663ce8adfc76b3dc9407f31
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9fca2cd693adefe6a90ed1506766b7e31c55dc326663ce8adfc76b3dc9407f31", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling oasis-borsh-derive-internal v0.2.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling oasis-borsh-derive v0.2.10
[INFO] [stderr]    Compiling oasis-macros v0.3.0
[INFO] [stderr]     Checking oasis-borsh v0.2.11
[INFO] [stderr]     Checking thiserror v1.0.20
[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 oasis-test v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]  --> src/ext.rs:9:78
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern "C" fn oasis_balance(addr: *const Address, balance: *mut u128) -> ExtStatusCode {
[INFO] [stdout]   |                                                                              ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]   = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub extern "C" fn oasis_code(addr: *const Address, buf: *mut u8) -> ExtStatusCode {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub extern "C" fn oasis_code_len(at: *const Address, len: *mut u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:24:54
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub extern "C" fn oasis_fetch_input(buf: *mut u8) -> ExtStatusCode {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:29:53
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub extern "C" fn oasis_input_len(len: *mut u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:34:52
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub extern "C" fn oasis_fetch_aad(buf: *mut u8) -> ExtStatusCode {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:39:51
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub extern "C" fn oasis_aad_len(len: *mut u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:44:58
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub extern "C" fn oasis_ret(buf: *const u8, len: u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:49:58
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub extern "C" fn oasis_err(buf: *const u8, len: u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:54:52
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub extern "C" fn oasis_fetch_ret(buf: *mut u8) -> ExtStatusCode {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:59:51
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub extern "C" fn oasis_ret_len(len: *mut u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:64:52
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub extern "C" fn oasis_fetch_err(buf: *mut u8) -> ExtStatusCode {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:69:51
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub extern "C" fn oasis_err_len(len: *mut u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:74:39
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub extern "C" fn oasis_create(value: u128, code: *const u8, code_len: u32) -> ExtStatusCode {
[INFO] [stdout]    |                                       ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:74:80
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub extern "C" fn oasis_create(value: u128, code: *const u8, code_len: u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     value: u128,
[INFO] [stdout]    |            ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:84:6
[INFO] [stdout]    |
[INFO] [stdout] 84 | ) -> ExtStatusCode {
[INFO] [stdout]    |      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:89:56
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub extern "C" fn oasis_address(addr: *mut Address) -> ExtStatusCode {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:94:55
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub extern "C" fn oasis_sender(addr: *mut Address) -> ExtStatusCode {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:99:52
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub extern "C" fn oasis_value(value: *mut u128) -> ExtStatusCode {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]    --> src/ext.rs:104:79
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub extern "C" fn oasis_read(key: *const u8, key_len: u32, value: *mut u8) -> ExtStatusCode {
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]    --> src/ext.rs:113:6
[INFO] [stdout]     |
[INFO] [stdout] 113 | ) -> ExtStatusCode {
[INFO] [stdout]     |      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]    --> src/ext.rs:123:6
[INFO] [stdout]     |
[INFO] [stdout] 123 | ) -> ExtStatusCode {
[INFO] [stdout]     |      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]    --> src/ext.rs:134:6
[INFO] [stdout]     |
[INFO] [stdout] 134 | ) -> ExtStatusCode {
[INFO] [stdout]     |      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]  --> src/ext.rs:9:78
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub extern "C" fn oasis_balance(addr: *const Address, balance: *mut u128) -> ExtStatusCode {
[INFO] [stdout]   |                                                                              ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]   = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:14:69
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub extern "C" fn oasis_code(addr: *const Address, buf: *mut u8) -> ExtStatusCode {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:19:72
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub extern "C" fn oasis_code_len(at: *const Address, len: *mut u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:24:54
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub extern "C" fn oasis_fetch_input(buf: *mut u8) -> ExtStatusCode {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:29:53
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub extern "C" fn oasis_input_len(len: *mut u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:34:52
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub extern "C" fn oasis_fetch_aad(buf: *mut u8) -> ExtStatusCode {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:39:51
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub extern "C" fn oasis_aad_len(len: *mut u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:44:58
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub extern "C" fn oasis_ret(buf: *const u8, len: u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:49:58
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub extern "C" fn oasis_err(buf: *const u8, len: u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:54:52
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub extern "C" fn oasis_fetch_ret(buf: *mut u8) -> ExtStatusCode {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:59:51
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub extern "C" fn oasis_ret_len(len: *mut u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:64:52
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub extern "C" fn oasis_fetch_err(buf: *mut u8) -> ExtStatusCode {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:69:51
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub extern "C" fn oasis_err_len(len: *mut u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:74:39
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub extern "C" fn oasis_create(value: u128, code: *const u8, code_len: u32) -> ExtStatusCode {
[INFO] [stdout]    |                                       ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:74:80
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub extern "C" fn oasis_create(value: u128, code: *const u8, code_len: u32) -> ExtStatusCode {
[INFO] [stdout]    |                                                                                ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `u128`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     value: u128,
[INFO] [stdout]    |            ^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: 128-bit integers don't currently have a known stable ABI
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:84:6
[INFO] [stdout]    |
[INFO] [stdout] 84 | ) -> ExtStatusCode {
[INFO] [stdout]    |      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:89:56
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub extern "C" fn oasis_address(addr: *mut Address) -> ExtStatusCode {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:94:55
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub extern "C" fn oasis_sender(addr: *mut Address) -> ExtStatusCode {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]   --> src/ext.rs:99:52
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub extern "C" fn oasis_value(value: *mut u128) -> ExtStatusCode {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]    --> src/ext.rs:104:79
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub extern "C" fn oasis_read(key: *const u8, key_len: u32, value: *mut u8) -> ExtStatusCode {
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]    --> src/ext.rs:113:6
[INFO] [stdout]     |
[INFO] [stdout] 113 | ) -> ExtStatusCode {
[INFO] [stdout]     |      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]    --> src/ext.rs:123:6
[INFO] [stdout]     |
[INFO] [stdout] 123 | ) -> ExtStatusCode {
[INFO] [stdout]     |      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `ExtStatusCode`, which is not FFI-safe
[INFO] [stdout]    --> src/ext.rs:134:6
[INFO] [stdout]     |
[INFO] [stdout] 134 | ) -> ExtStatusCode {
[INFO] [stdout]     |      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: this enum is non-exhaustive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.64s
[INFO] running `Command { std: "docker" "inspect" "9fca2cd693adefe6a90ed1506766b7e31c55dc326663ce8adfc76b3dc9407f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fca2cd693adefe6a90ed1506766b7e31c55dc326663ce8adfc76b3dc9407f31", kill_on_drop: false }`
[INFO] [stdout] 9fca2cd693adefe6a90ed1506766b7e31c55dc326663ce8adfc76b3dc9407f31
