[INFO] fetching crate message_plugins 0.2.0... [INFO] building message_plugins-0.2.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate message_plugins 0.2.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate message_plugins 0.2.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate message_plugins 0.2.0 [INFO] finished tweaking crates.io crate message_plugins 0.2.0 [INFO] tweaked toml for crates.io crate message_plugins 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 32 packages to latest compatible versions [INFO] [stderr] Adding libloading v0.6.7 (available: v0.8.6) [INFO] [stderr] Adding tokio v0.2.25 (available: v1.42.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3203f0f38b1177dfc18ee56a16006c4cd5995be2c3695a171e06d3fa54a9be4b [INFO] running `Command { std: "docker" "start" "-a" "3203f0f38b1177dfc18ee56a16006c4cd5995be2c3695a171e06d3fa54a9be4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3203f0f38b1177dfc18ee56a16006c4cd5995be2c3695a171e06d3fa54a9be4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3203f0f38b1177dfc18ee56a16006c4cd5995be2c3695a171e06d3fa54a9be4b", kill_on_drop: false }` [INFO] [stdout] 3203f0f38b1177dfc18ee56a16006c4cd5995be2c3695a171e06d3fa54a9be4b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91bc52effc9e201738f0ec79f8d90e3368a05b1313c5943bd7382cc206a4cf29 [INFO] running `Command { std: "docker" "start" "-a" "91bc52effc9e201738f0ec79f8d90e3368a05b1313c5943bd7382cc206a4cf29", kill_on_drop: false }` [INFO] [stderr] Compiling libloading v0.6.7 [INFO] [stderr] Compiling message_plugins v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: references are not nullable, so checking them for null will always return false [INFO] [stdout] --> src/lib.rs:220:12 [INFO] [stdout] | [INFO] [stdout] 220 | if ((*instance.as_ptr()).as_ref() as *const dyn Plugin).is_null() { [INFO] [stdout] | ^-----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expression has type `&dyn Plugin` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(useless_ptr_null_checks)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Option<&dyn Any>`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:256:29 [INFO] [stdout] | [INFO] [stdout] 256 | pub type FfiPluginInit = unsafe extern "C" fn(*mut Box>, Option<&dyn Any>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "91bc52effc9e201738f0ec79f8d90e3368a05b1313c5943bd7382cc206a4cf29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91bc52effc9e201738f0ec79f8d90e3368a05b1313c5943bd7382cc206a4cf29", kill_on_drop: false }` [INFO] [stdout] 91bc52effc9e201738f0ec79f8d90e3368a05b1313c5943bd7382cc206a4cf29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9396b03a9470a2c876d046b98a5ed9b5aa7fcaded5f07bdb4de152cc2f902600 [INFO] running `Command { std: "docker" "start" "-a" "9396b03a9470a2c876d046b98a5ed9b5aa7fcaded5f07bdb4de152cc2f902600", kill_on_drop: false }` [INFO] [stdout] warning: references are not nullable, so checking them for null will always return false [INFO] [stdout] --> src/lib.rs:220:12 [INFO] [stdout] | [INFO] [stdout] 220 | if ((*instance.as_ptr()).as_ref() as *const dyn Plugin).is_null() { [INFO] [stdout] | ^-----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expression has type `&dyn Plugin` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(useless_ptr_null_checks)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling message_plugins v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `extern` fn uses type `Option<&dyn Any>`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:256:29 [INFO] [stdout] | [INFO] [stdout] 256 | pub type FfiPluginInit = unsafe extern "C" fn(*mut Box>, Option<&dyn Any>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: references are not nullable, so checking them for null will always return false [INFO] [stdout] --> src/lib.rs:220:12 [INFO] [stdout] | [INFO] [stdout] 220 | if ((*instance.as_ptr()).as_ref() as *const dyn Plugin).is_null() { [INFO] [stdout] | ^-----------------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expression has type `&dyn Plugin` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(useless_ptr_null_checks)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `Option<&dyn Any>`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:256:29 [INFO] [stdout] | [INFO] [stdout] 256 | pub type FfiPluginInit = unsafe extern "C" fn(*mut Box>, Option<&dyn Any>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum [INFO] [stdout] = note: enum has no representation hint [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "9396b03a9470a2c876d046b98a5ed9b5aa7fcaded5f07bdb4de152cc2f902600", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9396b03a9470a2c876d046b98a5ed9b5aa7fcaded5f07bdb4de152cc2f902600", kill_on_drop: false }` [INFO] [stdout] 9396b03a9470a2c876d046b98a5ed9b5aa7fcaded5f07bdb4de152cc2f902600