[INFO] fetching crate rbot-messages 0.1.1...
[INFO] testing rbot-messages-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate rbot-messages 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rbot-messages 0.1.1
[INFO] finished tweaking crates.io crate rbot-messages 0.1.1
[INFO] tweaked toml for crates.io crate rbot-messages 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbot-messages 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4fbc75f75592129431d03b305b2e8de69098664e26e2b1aad56ed1b6469af03
[INFO] running `Command { std: "docker" "start" "-a" "b4fbc75f75592129431d03b305b2e8de69098664e26e2b1aad56ed1b6469af03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4fbc75f75592129431d03b305b2e8de69098664e26e2b1aad56ed1b6469af03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4fbc75f75592129431d03b305b2e8de69098664e26e2b1aad56ed1b6469af03", kill_on_drop: false }`
[INFO] [stdout] b4fbc75f75592129431d03b305b2e8de69098664e26e2b1aad56ed1b6469af03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eb15df8eff2b137cf03e1d23e3059977b05790ce781fc2e3a86fa0d17e496ad
[INFO] running `Command { std: "docker" "start" "-a" "8eb15df8eff2b137cf03e1d23e3059977b05790ce781fc2e3a86fa0d17e496ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling rbot-messages v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `Vec<std::string::String>`, which is not FFI-safe
[INFO] [stdout]   --> src/decode_bindings.rs:70:71
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub extern "C" fn decode_RMsgState(bytes_ptr: *const u8, len: u32) -> msg::RMsgState {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]    --> src/decode_bindings.rs:115:71
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub extern "C" fn decode_RMsgLaser(bytes_ptr: *const u8, len: u32) -> msg::RMsgLaser {
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]    --> src/decode_bindings.rs:169:76
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub extern "C" fn decode_RMsgScanObject(bytes_ptr: *const u8, len: u32) -> msg::RMsgScanObject {
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<messages::messages::RMsgScanObject>`, which is not FFI-safe
[INFO] [stdout]    --> src/decode_bindings.rs:175:70
[INFO] [stdout]     |
[INFO] [stdout] 175 | pub extern "C" fn decode_RMsgScan(bytes_ptr: *const u8, len: u32) -> msg::RMsgScan {
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<std::string::String>`, which is not FFI-safe
[INFO] [stdout]   --> src/encode_bindings.rs:68:45
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub extern "C" fn encode_RMsgState(message: msg::RMsgState) -> *mut c_char {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]    --> src/encode_bindings.rs:117:45
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub extern "C" fn encode_RMsgLaser(message: msg::RMsgLaser) -> *mut c_char {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]    --> src/encode_bindings.rs:180:50
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub extern "C" fn encode_RMsgScanObject(message: msg::RMsgScanObject) -> *mut c_char {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<messages::messages::RMsgScanObject>`, which is not FFI-safe
[INFO] [stdout]    --> src/encode_bindings.rs:187:44
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub extern "C" fn encode_RMsgScan(message: msg::RMsgScan) -> *mut c_char {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.37s
[INFO] running `Command { std: "docker" "inspect" "8eb15df8eff2b137cf03e1d23e3059977b05790ce781fc2e3a86fa0d17e496ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb15df8eff2b137cf03e1d23e3059977b05790ce781fc2e3a86fa0d17e496ad", kill_on_drop: false }`
[INFO] [stdout] 8eb15df8eff2b137cf03e1d23e3059977b05790ce781fc2e3a86fa0d17e496ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7af744fd81d91a735c14910a92d14e9e91850d367479f4e67b5d53b5d1b74d60
[INFO] running `Command { std: "docker" "start" "-a" "7af744fd81d91a735c14910a92d14e9e91850d367479f4e67b5d53b5d1b74d60", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbot-messages v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `Vec<std::string::String>`, which is not FFI-safe
[INFO] [stdout]   --> src/decode_bindings.rs:70:71
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub extern "C" fn decode_RMsgState(bytes_ptr: *const u8, len: u32) -> msg::RMsgState {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]    --> src/decode_bindings.rs:115:71
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub extern "C" fn decode_RMsgLaser(bytes_ptr: *const u8, len: u32) -> msg::RMsgLaser {
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]    --> src/decode_bindings.rs:169:76
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub extern "C" fn decode_RMsgScanObject(bytes_ptr: *const u8, len: u32) -> msg::RMsgScanObject {
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<messages::messages::RMsgScanObject>`, which is not FFI-safe
[INFO] [stdout]    --> src/decode_bindings.rs:175:70
[INFO] [stdout]     |
[INFO] [stdout] 175 | pub extern "C" fn decode_RMsgScan(bytes_ptr: *const u8, len: u32) -> msg::RMsgScan {
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<std::string::String>`, which is not FFI-safe
[INFO] [stdout]   --> src/encode_bindings.rs:68:45
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub extern "C" fn encode_RMsgState(message: msg::RMsgState) -> *mut c_char {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]    --> src/encode_bindings.rs:117:45
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub extern "C" fn encode_RMsgLaser(message: msg::RMsgLaser) -> *mut c_char {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]    --> src/encode_bindings.rs:180:50
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub extern "C" fn encode_RMsgScanObject(message: msg::RMsgScanObject) -> *mut c_char {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<messages::messages::RMsgScanObject>`, which is not FFI-safe
[INFO] [stdout]    --> src/encode_bindings.rs:187:44
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub extern "C" fn encode_RMsgScan(message: msg::RMsgScan) -> *mut c_char {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<std::string::String>`, which is not FFI-safe
[INFO] [stdout]   --> src/decode_bindings.rs:70:71
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub extern "C" fn decode_RMsgState(bytes_ptr: *const u8, len: u32) -> msg::RMsgState {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]    --> src/decode_bindings.rs:115:71
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub extern "C" fn decode_RMsgLaser(bytes_ptr: *const u8, len: u32) -> msg::RMsgLaser {
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]    --> src/decode_bindings.rs:169:76
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub extern "C" fn decode_RMsgScanObject(bytes_ptr: *const u8, len: u32) -> msg::RMsgScanObject {
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<messages::messages::RMsgScanObject>`, which is not FFI-safe
[INFO] [stdout]    --> src/decode_bindings.rs:175:70
[INFO] [stdout]     |
[INFO] [stdout] 175 | pub extern "C" fn decode_RMsgScan(bytes_ptr: *const u8, len: u32) -> msg::RMsgScan {
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<std::string::String>`, which is not FFI-safe
[INFO] [stdout]   --> src/encode_bindings.rs:68:45
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub extern "C" fn encode_RMsgState(message: msg::RMsgState) -> *mut c_char {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]    --> src/encode_bindings.rs:117:45
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub extern "C" fn encode_RMsgLaser(message: msg::RMsgLaser) -> *mut c_char {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stdout]    --> src/encode_bindings.rs:180:50
[INFO] [stdout]     |
[INFO] [stdout] 180 | pub extern "C" fn encode_RMsgScanObject(message: msg::RMsgScanObject) -> *mut c_char {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<messages::messages::RMsgScanObject>`, which is not FFI-safe
[INFO] [stdout]    --> src/encode_bindings.rs:187:44
[INFO] [stdout]     |
[INFO] [stdout] 187 | pub extern "C" fn encode_RMsgScan(message: msg::RMsgScan) -> *mut c_char {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "7af744fd81d91a735c14910a92d14e9e91850d367479f4e67b5d53b5d1b74d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af744fd81d91a735c14910a92d14e9e91850d367479f4e67b5d53b5d1b74d60", kill_on_drop: false }`
[INFO] [stdout] 7af744fd81d91a735c14910a92d14e9e91850d367479f4e67b5d53b5d1b74d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b24c0a051892d9622a1412f41b7f30b294cf0a851de34c5b2181ed4207c57d79
[INFO] running `Command { std: "docker" "start" "-a" "b24c0a051892d9622a1412f41b7f30b294cf0a851de34c5b2181ed4207c57d79", kill_on_drop: false }`
[INFO] [stderr] warning: `extern` fn uses type `Vec<std::string::String>`, which is not FFI-safe
[INFO] [stderr]   --> src/decode_bindings.rs:70:71
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub extern "C" fn decode_RMsgState(bytes_ptr: *const u8, len: u32) -> msg::RMsgState {
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stderr]    --> src/decode_bindings.rs:115:71
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub extern "C" fn decode_RMsgLaser(bytes_ptr: *const u8, len: u32) -> msg::RMsgLaser {
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]     = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stderr]    --> src/decode_bindings.rs:169:76
[INFO] [stderr]     |
[INFO] [stderr] 169 | pub extern "C" fn decode_RMsgScanObject(bytes_ptr: *const u8, len: u32) -> msg::RMsgScanObject {
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]     = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Vec<messages::messages::RMsgScanObject>`, which is not FFI-safe
[INFO] [stderr]    --> src/decode_bindings.rs:175:70
[INFO] [stderr]     |
[INFO] [stderr] 175 | pub extern "C" fn decode_RMsgScan(bytes_ptr: *const u8, len: u32) -> msg::RMsgScan {
[INFO] [stderr]     |                                                                      ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]     = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Vec<std::string::String>`, which is not FFI-safe
[INFO] [stderr]   --> src/encode_bindings.rs:68:45
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub extern "C" fn encode_RMsgState(message: msg::RMsgState) -> *mut c_char {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stderr]    --> src/encode_bindings.rs:117:45
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub extern "C" fn encode_RMsgLaser(message: msg::RMsgLaser) -> *mut c_char {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]     = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `std::string::String`, which is not FFI-safe
[INFO] [stderr]    --> src/encode_bindings.rs:180:50
[INFO] [stderr]     |
[INFO] [stderr] 180 | pub extern "C" fn encode_RMsgScanObject(message: msg::RMsgScanObject) -> *mut c_char {
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]     = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` fn uses type `Vec<messages::messages::RMsgScanObject>`, which is not FFI-safe
[INFO] [stderr]    --> src/encode_bindings.rs:187:44
[INFO] [stderr]     |
[INFO] [stderr] 187 | pub extern "C" fn encode_RMsgScan(message: msg::RMsgScan) -> *mut c_char {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]     = note: this struct has unspecified layout
[INFO] [stderr] 
[INFO] [stderr] warning: `rbot-messages` (lib) generated 8 warnings
[INFO] [stderr] warning: `rbot-messages` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbot_messages-3015d3e62331b8aa)
[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] [stderr]    Doc-tests rbot_messages
[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" "b24c0a051892d9622a1412f41b7f30b294cf0a851de34c5b2181ed4207c57d79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b24c0a051892d9622a1412f41b7f30b294cf0a851de34c5b2181ed4207c57d79", kill_on_drop: false }`
[INFO] [stdout] b24c0a051892d9622a1412f41b7f30b294cf0a851de34c5b2181ed4207c57d79