[INFO] fetching crate libffi 5.1.0...
[INFO] testing libffi-5.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate libffi 5.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate libffi 5.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libffi 5.1.0
[INFO] tweaked toml for crates.io crate libffi 5.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libffi 5.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libffi 5.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libffi-sys v4.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35c57e813c7f11fe90f2ebab3b6956aa1984c3fa4ed6f3b621fce7432a10533b
[INFO] running `Command { std: "docker" "start" "-a" "35c57e813c7f11fe90f2ebab3b6956aa1984c3fa4ed6f3b621fce7432a10533b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35c57e813c7f11fe90f2ebab3b6956aa1984c3fa4ed6f3b621fce7432a10533b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c57e813c7f11fe90f2ebab3b6956aa1984c3fa4ed6f3b621fce7432a10533b", kill_on_drop: false }`
[INFO] [stdout] 35c57e813c7f11fe90f2ebab3b6956aa1984c3fa4ed6f3b621fce7432a10533b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86403325f4471c9db850ca7411af8735a3decc9f9726fe0096cf413dc8bde074
[INFO] running `Command { std: "docker" "start" "-a" "86403325f4471c9db850ca7411af8735a3decc9f9726fe0096cf413dc8bde074", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.6
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling cc v1.2.51
[INFO] [stderr]    Compiling libffi-sys v4.1.0
[INFO] [stderr]    Compiling libffi v5.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.24s
[INFO] running `Command { std: "docker" "inspect" "86403325f4471c9db850ca7411af8735a3decc9f9726fe0096cf413dc8bde074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86403325f4471c9db850ca7411af8735a3decc9f9726fe0096cf413dc8bde074", kill_on_drop: false }`
[INFO] [stdout] 86403325f4471c9db850ca7411af8735a3decc9f9726fe0096cf413dc8bde074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a67cdf38618c79f1ce55bb6d175d68affb02366abc241e7b84c545242cbe5465
[INFO] running `Command { std: "docker" "start" "-a" "a67cdf38618c79f1ce55bb6d175d68affb02366abc241e7b84c545242cbe5465", kill_on_drop: false }`
[INFO] [stderr]    Compiling libffi v5.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "a67cdf38618c79f1ce55bb6d175d68affb02366abc241e7b84c545242cbe5465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a67cdf38618c79f1ce55bb6d175d68affb02366abc241e7b84c545242cbe5465", kill_on_drop: false }`
[INFO] [stdout] a67cdf38618c79f1ce55bb6d175d68affb02366abc241e7b84c545242cbe5465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9bdc730f1fad22a9f8e7a78fd6b2f5547d4b38a53892116a15696803083d8932
[INFO] running `Command { std: "docker" "start" "-a" "9bdc730f1fad22a9f8e7a78fd6b2f5547d4b38a53892116a15696803083d8932", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libffi-cbd3ef0f2d534851)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test high::test::new ... ok
[INFO] [stdout] test high::test::new_with_cif_mut ... ok
[INFO] [stdout] test low::test::test_return_into ... ok
[INFO] [stdout] test high::test::new_mut ... ok
[INFO] [stdout] test high::test::new_with_cif ... ok
[INFO] [stdout] test low::test::test_return_into_no_oob_write ... ok
[INFO] [stdout] test low::test::test_return_values ... ok
[INFO] [stdout] test middle::test::call ... ok
[INFO] [stdout] test middle::test::call_return_into ... ok
[INFO] [stdout] test middle::test::call_snprintf ... ok
[INFO] [stdout] test middle::test::clone_cif ... ok
[INFO] [stdout] test middle::test::closure ... ok
[INFO] [stdout] test middle::test::rust_lambda ... ok
[INFO] [stdout] test middle::types::test::clone_u64 ... ok
[INFO] [stdout] test middle::types::test::clone_struct ... ok
[INFO] [stdout] test middle::types::test::create_struct ... ok
[INFO] [stdout] test middle::types::test::create_u64 ... ok
[INFO] [stdout] test middle::types::test::verify_type_debug_behavior ... ok
[INFO] [stdout] test middle::types::test::verify_type_layout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libffi
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/low.rs - low::prep_closure_mut (line 754) ... ok
[INFO] [stdout] test src/low.rs - low::closure_free (line 584) ... ok
[INFO] [stdout] test src/low.rs - low::closure_alloc (line 560) ... ok
[INFO] [stdout] test src/high/call.rs - high::call::call (line 61) ... ok
[INFO] [stdout] test src/low.rs - low::call (line 322) ... ok
[INFO] [stdout] test src/low.rs - low::prep_closure (line 662) ... ok
[INFO] [stdout] test src/high/call.rs - high::call (line 8) ... ok
[INFO] [stdout] test src/low.rs - low::call_return_into (line 448) ... ok
[INFO] [stdout] test src/high/mod.rs - high (line 55) ... ok
[INFO] [stdout] test src/high/mod.rs - high (line 35) ... ok
[INFO] [stdout] test src/low.rs - low::type_tag (line 179) ... ok
[INFO] [stdout] test src/middle/mod.rs - middle::Cif (line 116) ... ok
[INFO] [stdout] test src/lib.rs - (line 72) ... ok
[INFO] [stdout] test src/middle/types.rs - middle::types::Type (line 62) ... ok
[INFO] [stdout] test src/middle/builder.rs - middle::builder::Builder (line 23) ... ok
[INFO] [stdout] test src/low.rs - low::prep_cif (line 236) ... ok
[INFO] [stdout] test src/middle/mod.rs - middle::Closure (line 322) ... ok
[INFO] [stdout] test src/high/call.rs - high::call::ffi_call (line 102) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9bdc730f1fad22a9f8e7a78fd6b2f5547d4b38a53892116a15696803083d8932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bdc730f1fad22a9f8e7a78fd6b2f5547d4b38a53892116a15696803083d8932", kill_on_drop: false }`
[INFO] [stdout] 9bdc730f1fad22a9f8e7a78fd6b2f5547d4b38a53892116a15696803083d8932