[INFO] fetching crate pen-ffi 0.3.12...
[INFO] testing pen-ffi-0.3.12 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate pen-ffi 0.3.12 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate pen-ffi 0.3.12 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pen-ffi 0.3.12
[INFO] finished tweaking crates.io crate pen-ffi 0.3.12
[INFO] tweaked toml for crates.io crate pen-ffi 0.3.12 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dbaed83202467b16d3e1f54c0322cd01721d42f852ac0d10f93b1ddd8b8c4e1
[INFO] running `Command { std: "docker" "start" "-a" "7dbaed83202467b16d3e1f54c0322cd01721d42f852ac0d10f93b1ddd8b8c4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dbaed83202467b16d3e1f54c0322cd01721d42f852ac0d10f93b1ddd8b8c4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dbaed83202467b16d3e1f54c0322cd01721d42f852ac0d10f93b1ddd8b8c4e1", kill_on_drop: false }`
[INFO] [stdout] 7dbaed83202467b16d3e1f54c0322cd01721d42f852ac0d10f93b1ddd8b8c4e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 346da96bb521d496aa633398a57ce78476c3b8cf077d52aaffa4e6a5b8a36951
[INFO] running `Command { std: "docker" "start" "-a" "346da96bb521d496aa633398a57ce78476c3b8cf077d52aaffa4e6a5b8a36951", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pen-ffi v0.3.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `Option<*mut Context>`, which is not FFI-safe
[INFO] [stdout]   --> src/cps/async_stack.rs:91:40
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn _test_async_stack_ffi_safety(_: &mut AsyncStack);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "346da96bb521d496aa633398a57ce78476c3b8cf077d52aaffa4e6a5b8a36951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346da96bb521d496aa633398a57ce78476c3b8cf077d52aaffa4e6a5b8a36951", kill_on_drop: false }`
[INFO] [stdout] 346da96bb521d496aa633398a57ce78476c3b8cf077d52aaffa4e6a5b8a36951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9c0644764ba04e273470e05eb472e43acbba6630728dfdbe6d797597ae80c5d
[INFO] running `Command { std: "docker" "start" "-a" "a9c0644764ba04e273470e05eb472e43acbba6630728dfdbe6d797597ae80c5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stdout] warning: `extern` block uses type `Option<*mut Context>`, which is not FFI-safe
[INFO] [stdout]   --> src/cps/async_stack.rs:91:40
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn _test_async_stack_ffi_safety(_: &mut AsyncStack);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[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] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling pen-ffi v0.3.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `Option<*mut std::task::Context>`, which is not FFI-safe
[INFO] [stdout]   --> src/cps/async_stack.rs:91:40
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn _test_async_stack_ffi_safety(_: &mut AsyncStack);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.63s
[INFO] running `Command { std: "docker" "inspect" "a9c0644764ba04e273470e05eb472e43acbba6630728dfdbe6d797597ae80c5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c0644764ba04e273470e05eb472e43acbba6630728dfdbe6d797597ae80c5d", kill_on_drop: false }`
[INFO] [stdout] a9c0644764ba04e273470e05eb472e43acbba6630728dfdbe6d797597ae80c5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 466736d2752c182e9625113becbee6b62ed33ecbd52797cb2d8e1c06e12bbbf5
[INFO] running `Command { std: "docker" "start" "-a" "466736d2752c182e9625113becbee6b62ed33ecbd52797cb2d8e1c06e12bbbf5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: `extern` block uses type `Option<*mut Context>`, which is not FFI-safe
[INFO] [stderr]   --> src/cps/async_stack.rs:91:40
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn _test_async_stack_ffi_safety(_: &mut AsyncStack);
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]    = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: `pen-ffi` (lib) generated 1 warning
[INFO] [stderr] warning: `extern` block uses type `Option<*mut std::task::Context>`, which is not FFI-safe
[INFO] [stderr]   --> src/cps/async_stack.rs:91:40
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn _test_async_stack_ffi_safety(_: &mut AsyncStack);
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stderr]    = note: enum has no representation hint
[INFO] [stderr] 
[INFO] [stderr] warning: `pen-ffi` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pen_ffi-16e5432d596b880c)
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stdout] test any::tests::box_::clone_any ... ok
[INFO] [stdout] test any::tests::f64::clone_any ... ok
[INFO] [stdout] test any::tests::f64::drop_any ... ok
[INFO] [stdout] test any::tests::box_::drop_any ... ok
[INFO] [stdout] test any::tests::box_::as_inner ... ok
[INFO] [stdout] test any::tests::rc::clone_any ... ok
[INFO] [stdout] test any::tests::rc::as_inner ... ok
[INFO] [stdout] test any::tests::rc::drop_any ... ok
[INFO] [stdout] test arc::arc_block::tests::clone ... ok
[INFO] [stdout] test arc::arc_block::tests::create ... ok
[INFO] [stdout] test arc::arc_block::tests::create_empty ... ok
[INFO] [stdout] test arc::arc_block::tests::drop ... ok
[INFO] [stdout] test arc::arc_block::tests::drop_twice ... ok
[INFO] [stdout] test arc::arc_buffer::tests::clone ... ok
[INFO] [stdout] test arc::arc_buffer::tests::convert_from_string ... ok
[INFO] [stdout] test arc::arc_buffer::tests::convert_from_vec ... ok
[INFO] [stdout] test arc::arc_buffer::tests::create_buffer ... ok
[INFO] [stdout] test arc::arc_buffer::tests::create_empty ... ok
[INFO] [stdout] test arc::arc_buffer::tests::create_zero_sized_buffer ... ok
[INFO] [stdout] test arc::tests::clone ... ok
[INFO] [stdout] test arc::tests::clone_box ... ok
[INFO] [stdout] test arc::tests::create ... ok
[INFO] [stdout] test arc::tests::load_payload ... ok
[INFO] [stdout] test arc::tests::drop_box ... ok
[INFO] [stdout] test arc::tests::new_box ... ok
[INFO] [stdout] test arc::tests::zero_sized::clone ... ok
[INFO] [stdout] test arc::tests::zero_sized::create ... ok
[INFO] [stdout] test arc::tests::zero_sized::load_payload ... ok
[INFO] [stdout] test cps::async_stack::tests::push_f64 ... ok
[INFO] [stdout] test cps::async_stack::tests::suspend ... ok
[INFO] [stdout] test cps::async_stack::tests::wake ... ok
[INFO] [stdout] test cps::async_stack::tests::suspend_and_resume ... ok
[INFO] [stdout] test cps::stack::tests::push_f32 ... ok
[INFO] [stdout] test cps::stack::tests::push_f64 ... ok
[INFO] [stdout] test cps::stack::tests::push_u8 ... ok
[INFO] [stdout] test cps::stack::tests::push_multiple_u8 ... ok
[INFO] [stdout] test extra::string_array::tests::string_array::clone ... ok
[INFO] [stdout] test extra::string_array::tests::string_array::drop_ ... ok
[INFO] [stdout] test extra::string_array::tests::string_array::get_element ... ok
[INFO] [stdout] test extra::string_array::tests::string_array_inner::drop_ ... ok
[INFO] [stdout] test extra::string_array::tests::string_array_inner::get_element ... ok
[INFO] [stdout] test string::tests::join ... ok
[INFO] [stdout] test extra::string_array::tests::string_array_inner::is_small_enough ... ok
[INFO] [stdout] test string::tests::slice_into_empty ... ok
[INFO] [stdout] test string::tests::join_empty ... ok
[INFO] [stdout] test string::tests::slice_into_whole ... ok
[INFO] [stdout] test string::tests::slice_last_with_emojis ... ok
[INFO] [stdout] test string::tests::slice_with_ascii ... ok
[INFO] [stdout] test string::tests::slice_with_emojis ... ok
[INFO] [stdout] test string::tests::slice_with_negative_index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 50 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pen-ffi
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "466736d2752c182e9625113becbee6b62ed33ecbd52797cb2d8e1c06e12bbbf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466736d2752c182e9625113becbee6b62ed33ecbd52797cb2d8e1c06e12bbbf5", kill_on_drop: false }`
[INFO] [stdout] 466736d2752c182e9625113becbee6b62ed33ecbd52797cb2d8e1c06e12bbbf5