[INFO] fetching crate fips_plugin_registry 0.1.0...
[INFO] checking fips_plugin_registry-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate fips_plugin_registry 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate fips_plugin_registry 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fips_plugin_registry 0.1.0
[INFO] finished tweaking crates.io crate fips_plugin_registry 0.1.0
[INFO] tweaked toml for crates.io crate fips_plugin_registry 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding libloading v0.6.7 (available: v0.8.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 752133678de447741402d07d8503ca2cf96111fd70d9fb603e054fb70afaa3df
[INFO] running `Command { std: "docker" "start" "-a" "752133678de447741402d07d8503ca2cf96111fd70d9fb603e054fb70afaa3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "752133678de447741402d07d8503ca2cf96111fd70d9fb603e054fb70afaa3df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752133678de447741402d07d8503ca2cf96111fd70d9fb603e054fb70afaa3df", kill_on_drop: false }`
[INFO] [stdout] 752133678de447741402d07d8503ca2cf96111fd70d9fb603e054fb70afaa3df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dd84dd9b69010c854e031932c44a1c4a30947d9c023a15e852500ac99dac164
[INFO] running `Command { std: "docker" "start" "-a" "9dd84dd9b69010c854e031932c44a1c4a30947d9c023a15e852500ac99dac164", kill_on_drop: false }`
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking json_dotpath v1.1.0
[INFO] [stderr]     Checking fips_plugin_registry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `enablelog`
[INFO] [stdout]   --> src/plugin.rs:78:15
[INFO] [stdout]    |
[INFO] [stdout] 78 |         #[cfg(feature = "enablelog")]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `logging`
[INFO] [stdout]    = help: consider adding `enablelog` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `enablelog`
[INFO] [stdout]   --> src/plugin.rs:98:15
[INFO] [stdout]    |
[INFO] [stdout] 98 |         #[cfg(feature = "enablelog")]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `logging`
[INFO] [stdout]    = help: consider adding `enablelog` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `enablelog`
[INFO] [stdout]   --> src/plugin.rs:78:15
[INFO] [stdout]    |
[INFO] [stdout] 78 |         #[cfg(feature = "enablelog")]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `logging`
[INFO] [stdout]    = help: consider adding `enablelog` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `enablelog`
[INFO] [stdout]   --> src/plugin.rs:98:15
[INFO] [stdout]    |
[INFO] [stdout] 98 |         #[cfg(feature = "enablelog")]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `logging`
[INFO] [stdout]    = help: consider adding `enablelog` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `dyn PluginRegistrar`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub register: unsafe extern "C" fn(&mut dyn PluginRegistrar),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait objects have no C equivalent
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `dyn PluginRegistrar`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub register: unsafe extern "C" fn(&mut dyn PluginRegistrar),
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: trait objects have no C equivalent
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "9dd84dd9b69010c854e031932c44a1c4a30947d9c023a15e852500ac99dac164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd84dd9b69010c854e031932c44a1c4a30947d9c023a15e852500ac99dac164", kill_on_drop: false }`
[INFO] [stdout] 9dd84dd9b69010c854e031932c44a1c4a30947d9c023a15e852500ac99dac164