[INFO] fetching crate dyn-loader 0.8.0...
[INFO] testing dyn-loader-0.8.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate dyn-loader 0.8.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate dyn-loader 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dyn-loader 0.8.0
[INFO] tweaked toml for crates.io crate dyn-loader 0.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dyn-loader 0.8.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dyn-loader 0.8.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to highest Rust 1.99.0-beta.8 compatible version
[INFO] [stderr]       Adding dyn-abi-map v0.1.0
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dyn-abi-map v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 189690bcc704a174bc09dc3d0b2052f5ad31bf00ac1436afca5a73e2240bd78f
[INFO] running `Command { std: "docker" "start" "189690bcc704a174bc09dc3d0b2052f5ad31bf00ac1436afca5a73e2240bd78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "189690bcc704a174bc09dc3d0b2052f5ad31bf00ac1436afca5a73e2240bd78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "189690bcc704a174bc09dc3d0b2052f5ad31bf00ac1436afca5a73e2240bd78f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "189690bcc704a174bc09dc3d0b2052f5ad31bf00ac1436afca5a73e2240bd78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "189690bcc704a174bc09dc3d0b2052f5ad31bf00ac1436afca5a73e2240bd78f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling dyn-loader v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/helpers.rs:12:58
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type ModuleEntryPointRaw = unsafe extern "C" fn() -> std::ffi::c_void;
[INFO] [stdout]    |                                                      ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                      |
[INFO] [stdout]    |                                                      help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "189690bcc704a174bc09dc3d0b2052f5ad31bf00ac1436afca5a73e2240bd78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "189690bcc704a174bc09dc3d0b2052f5ad31bf00ac1436afca5a73e2240bd78f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling dyn-loader v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/helpers.rs:12:58
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type ModuleEntryPointRaw = unsafe extern "C" fn() -> std::ffi::c_void;
[INFO] [stdout]    |                                                      ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                      |
[INFO] [stdout]    |                                                      help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/helpers.rs:12:58
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type ModuleEntryPointRaw = unsafe extern "C" fn() -> std::ffi::c_void;
[INFO] [stdout]    |                                                      ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                      |
[INFO] [stdout]    |                                                      help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "189690bcc704a174bc09dc3d0b2052f5ad31bf00ac1436afca5a73e2240bd78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "189690bcc704a174bc09dc3d0b2052f5ad31bf00ac1436afca5a73e2240bd78f" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stderr]   --> src/helpers.rs:12:58
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type ModuleEntryPointRaw = unsafe extern "C" fn() -> std::ffi::c_void;
[INFO] [stderr]    |                                                      ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                                      |
[INFO] [stderr]    |                                                      help: remove the return type to implicitly return `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stderr]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stderr]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dyn-loader` (lib) generated 1 warning
[INFO] [stderr] warning: `dyn-loader` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/dyn_loader-ea85173aee8465ae)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test entry::tests::a_head_reports_its_identity ... ok
[INFO] [stdout] test native::tests::safe_arc_dyn_clone ... ok
[INFO] [stdout] test entry::tests::the_identity_is_reachable_through_a_bound ... ok
[INFO] [stdout] test native::tests::safe_arc_dyn_round_trip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/alignment_matrix.rs (/opt/rustwide/target/release/deps/alignment_matrix-290303039fc943a8)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test nesting_follows_the_same_rules ... ok
[INFO] [stdout] test the_default_representation_does_not_follow_the_c_rules ... ok
[INFO] [stdout] test the_scalar_table_states_the_usual_platform_numbers ... ok
[INFO] [stdout] test a_zero_sized_field_occupies_no_space_but_keeps_its_alignment ... ok
[INFO] [stdout] test three_field_structs_compose_as_the_c_rules_say ... ok
[INFO] [stdout] test every_alignment_class_pair_lays_out_as_the_c_rules_say ... ok
[INFO] [stdout] test the_grid_covers_every_alignment_in_use ... ok
[INFO] [stdout] test arrays_are_sized_and_aligned_like_their_element ... ok
[INFO] [stdout] test the_representations_diverge_whenever_padding_would_appear ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/layout_rules.rs (/opt/rustwide/target/release/deps/layout_rules-badf8c7385995409)
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test a_struct_without_padding_is_fully_defined ... ok
[INFO] [stdout] test the_c_representation_keeps_declaration_order ... ok
[INFO] [stdout] test the_default_representation_reorders_fields ... ok
[INFO] [stdout] test padding_bytes_carry_previous_memory_contents ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dyn_loader
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 88) ... ignored
[INFO] [stdout] test src/native.rs - native (line 26) ... ignored
[INFO] [stdout] test src/entry.rs - entry (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.44s; merged doctests compilation took 0.42s
[INFO] running `Command { std: "docker" "inspect" "189690bcc704a174bc09dc3d0b2052f5ad31bf00ac1436afca5a73e2240bd78f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189690bcc704a174bc09dc3d0b2052f5ad31bf00ac1436afca5a73e2240bd78f", kill_on_drop: false }`
[INFO] [stdout] 189690bcc704a174bc09dc3d0b2052f5ad31bf00ac1436afca5a73e2240bd78f
