[INFO] fetching crate easy_ffi 0.1.0...
[INFO] checking easy_ffi-0.1.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate easy_ffi 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate easy_ffi 0.1.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate easy_ffi 0.1.0
[INFO] finished tweaking crates.io crate easy_ffi 0.1.0
[INFO] tweaked toml for crates.io crate easy_ffi 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 280ee3057e9eb5a086e6cacbe62924297c103fef8aff04e366db973b3141e854
[INFO] running `"docker" "start" "-a" "280ee3057e9eb5a086e6cacbe62924297c103fef8aff04e366db973b3141e854"`
[INFO] [stderr]     Checking easy_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stderr]    --> src/lib.rs:144:14
[INFO] [stderr]     |
[INFO] [stderr] 144 |     #![allow(private_no_mangle_fns)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stderr]    --> src/lib.rs:144:14
[INFO] [stderr]     |
[INFO] [stderr] 144 |     #![allow(private_no_mangle_fns)]
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:127:90
[INFO] [stderr]     |
[INFO] [stderr] 127 |                           ::std::result::Result<$ok_ty, ::std::result::Result<$err_ty, Box<::std::any::Any + Send + 'static>>> =
[INFO] [stderr]     |                                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::any::Any + Send + 'static`
[INFO] [stderr] ...
[INFO] [stderr] 160 | /     my_ffi_fn! (
[INFO] [stderr] 161 | |         /// Foo: do stuff
[INFO] [stderr] 162 | |         fn foo(i: i32) -> Result<i32, &'static str> {
[INFO] [stderr] 163 | |             match i {
[INFO] [stderr] ...   |
[INFO] [stderr] 168 | |         }
[INFO] [stderr] 169 | |     );
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `"docker" "inspect" "280ee3057e9eb5a086e6cacbe62924297c103fef8aff04e366db973b3141e854"`
[INFO] running `"docker" "rm" "-f" "280ee3057e9eb5a086e6cacbe62924297c103fef8aff04e366db973b3141e854"`
[INFO] [stdout] 280ee3057e9eb5a086e6cacbe62924297c103fef8aff04e366db973b3141e854