[INFO] fetching crate easy_ffi 0.1.0...
[INFO] testing easy_ffi-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate easy_ffi 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate easy_ffi 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a403aa452055b011749ac3016570d31c8ff74b74c936f745ff2259377e12caf8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a403aa452055b011749ac3016570d31c8ff74b74c936f745ff2259377e12caf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a403aa452055b011749ac3016570d31c8ff74b74c936f745ff2259377e12caf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a403aa452055b011749ac3016570d31c8ff74b74c936f745ff2259377e12caf8", kill_on_drop: false }`
[INFO] [stdout] a403aa452055b011749ac3016570d31c8ff74b74c936f745ff2259377e12caf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 25565fa76fd51383a01756a0929b9cefdf09d03c43ba1f0292e5347e26aabaee
[INFO] running `Command { std: "docker" "start" "-a" "25565fa76fd51383a01756a0929b9cefdf09d03c43ba1f0292e5347e26aabaee", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]    --> src/lib.rs:144:14
[INFO] [stdout]     |
[INFO] [stdout] 144 |     #![allow(private_no_mangle_fns)]
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25565fa76fd51383a01756a0929b9cefdf09d03c43ba1f0292e5347e26aabaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25565fa76fd51383a01756a0929b9cefdf09d03c43ba1f0292e5347e26aabaee", kill_on_drop: false }`
[INFO] [stdout] 25565fa76fd51383a01756a0929b9cefdf09d03c43ba1f0292e5347e26aabaee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9ccd4f0177a4e64b547130693dbd37033acc2738d57f0b431c66568815785ed
[INFO] running `Command { std: "docker" "start" "-a" "b9ccd4f0177a4e64b547130693dbd37033acc2738d57f0b431c66568815785ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy_ffi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]    --> src/lib.rs:144:14
[INFO] [stdout]     |
[INFO] [stdout] 144 |     #![allow(private_no_mangle_fns)]
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]    --> src/lib.rs:144:14
[INFO] [stdout]     |
[INFO] [stdout] 144 |     #![allow(private_no_mangle_fns)]
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:127:90
[INFO] [stdout]     |
[INFO] [stdout] 127 |                           ::std::result::Result<$ok_ty, ::std::result::Result<$err_ty, Box<::std::any::Any + Send + 'static>>> =
[INFO] [stdout]     |                                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::any::Any + Send + 'static`
[INFO] [stdout] ...
[INFO] [stdout] 160 | /     my_ffi_fn! (
[INFO] [stdout] 161 | |         /// Foo: do stuff
[INFO] [stdout] 162 | |         fn foo(i: i32) -> Result<i32, &'static str> {
[INFO] [stdout] 163 | |             match i {
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |         }
[INFO] [stdout] 169 | |     );
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `my_ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "b9ccd4f0177a4e64b547130693dbd37033acc2738d57f0b431c66568815785ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9ccd4f0177a4e64b547130693dbd37033acc2738d57f0b431c66568815785ed", kill_on_drop: false }`
[INFO] [stdout] b9ccd4f0177a4e64b547130693dbd37033acc2738d57f0b431c66568815785ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15ab99eab22362510f8b972c1e44b4357fac358c20afb5c8f9263fa9629bef77
[INFO] running `Command { std: "docker" "start" "-a" "15ab99eab22362510f8b972c1e44b4357fac358c20afb5c8f9263fa9629bef77", kill_on_drop: false }`
[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: `easy_ffi` (lib) generated 1 warning
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `my_ffi_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `easy_ffi` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/easy_ffi-9abf92e27cb8f954)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests easy_ffi
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stderr]    --> /opt/rustwide/workdir/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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15ab99eab22362510f8b972c1e44b4357fac358c20afb5c8f9263fa9629bef77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ab99eab22362510f8b972c1e44b4357fac358c20afb5c8f9263fa9629bef77", kill_on_drop: false }`
[INFO] [stdout] 15ab99eab22362510f8b972c1e44b4357fac358c20afb5c8f9263fa9629bef77
