[INFO] cloning repository https://github.com/valeth/rust-plugin-tests
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/valeth/rust-plugin-tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaleth%2Frust-plugin-tests", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaleth%2Frust-plugin-tests'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c17e9cf87e33b7b4ff1fa9297d0e2f92553218a
[INFO] building valeth/rust-plugin-tests against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaleth%2Frust-plugin-tests" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/valeth/rust-plugin-tests 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 git repo https://github.com/valeth/rust-plugin-tests
[INFO] finished tweaking git repo https://github.com/valeth/rust-plugin-tests
[INFO] tweaked toml for git repo https://github.com/valeth/rust-plugin-tests written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/valeth/rust-plugin-tests already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded fern v0.5.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2473fe5ddbd531ee793bfa27b5873a3d14e869c136d97b4711e6ac1c60f89ffe
[INFO] running `Command { std: "docker" "start" "-a" "2473fe5ddbd531ee793bfa27b5873a3d14e869c136d97b4711e6ac1c60f89ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2473fe5ddbd531ee793bfa27b5873a3d14e869c136d97b4711e6ac1c60f89ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2473fe5ddbd531ee793bfa27b5873a3d14e869c136d97b4711e6ac1c60f89ffe", kill_on_drop: false }`
[INFO] [stdout] 2473fe5ddbd531ee793bfa27b5873a3d14e869c136d97b4711e6ac1c60f89ffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 161151cf69fc73085dd2b02efe5a473cc05d5d95b6da4a4b4b390335b5450c80
[INFO] running `Command { std: "docker" "start" "-a" "161151cf69fc73085dd2b02efe5a473cc05d5d95b6da4a4b4b390335b5450c80", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling plugin v0.0.0 (/opt/rustwide/workdir/plugin)
[INFO] [stdout] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stdout]  --> plugin/src/plugin.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type CreateFn = unsafe extern fn() -> *mut dyn Plugin;
[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] [stderr]    Compiling bye_world v0.0.0 (/opt/rustwide/workdir/example-plugins/bye_world)
[INFO] [stderr]    Compiling hello_world v0.0.0 (/opt/rustwide/workdir/example-plugins/hello_world)
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling client v0.0.0 (/opt/rustwide/workdir/client)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "161151cf69fc73085dd2b02efe5a473cc05d5d95b6da4a4b4b390335b5450c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161151cf69fc73085dd2b02efe5a473cc05d5d95b6da4a4b4b390335b5450c80", kill_on_drop: false }`
[INFO] [stdout] 161151cf69fc73085dd2b02efe5a473cc05d5d95b6da4a4b4b390335b5450c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9bbc85c232822f337cca0d9d694fcc6ce28ea861b5a02a9c5b05f0b41876c5a5
[INFO] running `Command { std: "docker" "start" "-a" "9bbc85c232822f337cca0d9d694fcc6ce28ea861b5a02a9c5b05f0b41876c5a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling client v0.0.0 (/opt/rustwide/workdir/client)
[INFO] [stderr]    Compiling bye_world v0.0.0 (/opt/rustwide/workdir/example-plugins/bye_world)
[INFO] [stdout] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stdout]  --> plugin/src/plugin.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type CreateFn = unsafe extern fn() -> *mut dyn Plugin;
[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] [stderr]    Compiling hello_world v0.0.0 (/opt/rustwide/workdir/example-plugins/hello_world)
[INFO] [stderr]    Compiling plugin v0.0.0 (/opt/rustwide/workdir/plugin)
[INFO] [stdout] warning: `extern` fn uses type `dyn Plugin`, which is not FFI-safe
[INFO] [stdout]  --> plugin/src/plugin.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub type CreateFn = unsafe extern fn() -> *mut dyn Plugin;
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "9bbc85c232822f337cca0d9d694fcc6ce28ea861b5a02a9c5b05f0b41876c5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bbc85c232822f337cca0d9d694fcc6ce28ea861b5a02a9c5b05f0b41876c5a5", kill_on_drop: false }`
[INFO] [stdout] 9bbc85c232822f337cca0d9d694fcc6ce28ea861b5a02a9c5b05f0b41876c5a5