[INFO] fetching crate rbot-messages 0.1.1...
[INFO] testing rbot-messages-0.1.1 against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628
[INFO] extracting crate rbot-messages 0.1.1 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbot-messages 0.1.1 on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f85ab8e51f56be42fcc616a72994c03e77a47c79ed4fb01ca6a52feb8d85a1c1
[INFO] running `Command { std: "docker" "start" "-a" "f85ab8e51f56be42fcc616a72994c03e77a47c79ed4fb01ca6a52feb8d85a1c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f85ab8e51f56be42fcc616a72994c03e77a47c79ed4fb01ca6a52feb8d85a1c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85ab8e51f56be42fcc616a72994c03e77a47c79ed4fb01ca6a52feb8d85a1c1", kill_on_drop: false }`
[INFO] [stdout] f85ab8e51f56be42fcc616a72994c03e77a47c79ed4fb01ca6a52feb8d85a1c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a15e3578218aacd3bfe7c2af25f6b3d4ce588d3b518badcad086ce9f56f986b
[INFO] running `Command { std: "docker" "start" "-a" "1a15e3578218aacd3bfe7c2af25f6b3d4ce588d3b518badcad086ce9f56f986b", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.143
[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 14.36s
[INFO] running `Command { std: "docker" "inspect" "1a15e3578218aacd3bfe7c2af25f6b3d4ce588d3b518badcad086ce9f56f986b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a15e3578218aacd3bfe7c2af25f6b3d4ce588d3b518badcad086ce9f56f986b", kill_on_drop: false }`
[INFO] [stdout] 1a15e3578218aacd3bfe7c2af25f6b3d4ce588d3b518badcad086ce9f56f986b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71a128802208e7f7a3567b808f93a1c4c5d59c0aeb51b91e4b609305daf390d1
[INFO] running `Command { std: "docker" "start" "-a" "71a128802208e7f7a3567b808f93a1c4c5d59c0aeb51b91e4b609305daf390d1", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `memchr v2.7.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `memchr v2.7.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/memchr-2.7.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "71a128802208e7f7a3567b808f93a1c4c5d59c0aeb51b91e4b609305daf390d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a128802208e7f7a3567b808f93a1c4c5d59c0aeb51b91e4b609305daf390d1", kill_on_drop: false }`
[INFO] [stdout] 71a128802208e7f7a3567b808f93a1c4c5d59c0aeb51b91e4b609305daf390d1