[INFO] fetching crate rbot-messages 0.1.1...
[INFO] checking rbot-messages-0.1.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate rbot-messages 0.1.1 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbot-messages 0.1.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c927ea111b3f72dd28a39c0e9f321d573af809ba6e6623ae54d0f711764b5b8c
[INFO] running `Command { std: "docker" "start" "-a" "c927ea111b3f72dd28a39c0e9f321d573af809ba6e6623ae54d0f711764b5b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c927ea111b3f72dd28a39c0e9f321d573af809ba6e6623ae54d0f711764b5b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c927ea111b3f72dd28a39c0e9f321d573af809ba6e6623ae54d0f711764b5b8c", kill_on_drop: false }`
[INFO] [stdout] c927ea111b3f72dd28a39c0e9f321d573af809ba6e6623ae54d0f711764b5b8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 836a1af7713d0f8313eabe548a795297ddea34372e1a6fe8c9287b8fd52a865e
[INFO] running `Command { std: "docker" "start" "-a" "836a1af7713d0f8313eabe548a795297ddea34372e1a6fe8c9287b8fd52a865e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking 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 `dev` profile [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "836a1af7713d0f8313eabe548a795297ddea34372e1a6fe8c9287b8fd52a865e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836a1af7713d0f8313eabe548a795297ddea34372e1a6fe8c9287b8fd52a865e", kill_on_drop: false }`
[INFO] [stdout] 836a1af7713d0f8313eabe548a795297ddea34372e1a6fe8c9287b8fd52a865e