[INFO] fetching crate libffi 1.0.0...
[INFO] testing libffi-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate libffi 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libffi 1.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libffi 1.0.0
[INFO] finished tweaking crates.io crate libffi 1.0.0
[INFO] tweaked toml for crates.io crate libffi 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate libffi 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded abort_on_panic v2.0.0
[INFO] [stderr]   Downloaded libc v0.2.78
[INFO] [stderr]   Downloaded libffi-sys v1.0.0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3c674dd1731fa73ded4217a01814266a46ea72a59b1421fa79ca1d897b8fd21
[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" "f3c674dd1731fa73ded4217a01814266a46ea72a59b1421fa79ca1d897b8fd21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3c674dd1731fa73ded4217a01814266a46ea72a59b1421fa79ca1d897b8fd21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c674dd1731fa73ded4217a01814266a46ea72a59b1421fa79ca1d897b8fd21", kill_on_drop: false }`
[INFO] [stdout] f3c674dd1731fa73ded4217a01814266a46ea72a59b1421fa79ca1d897b8fd21
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d022a9c181145295dabba3bc647eb8fc2c41d1b1547d49281e66298f8b9d1324
[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" "d022a9c181145295dabba3bc647eb8fc2c41d1b1547d49281e66298f8b9d1324", kill_on_drop: false }`
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling abort_on_panic v2.0.0
[INFO] [stderr]    Compiling libffi-sys v1.0.0
[INFO] [stderr]    Compiling libffi v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.34s
[INFO] running `Command { std: "docker" "inspect" "d022a9c181145295dabba3bc647eb8fc2c41d1b1547d49281e66298f8b9d1324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d022a9c181145295dabba3bc647eb8fc2c41d1b1547d49281e66298f8b9d1324", kill_on_drop: false }`
[INFO] [stdout] d022a9c181145295dabba3bc647eb8fc2c41d1b1547d49281e66298f8b9d1324
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 132f21bdcd4b86a9bd246c462725cd176ce3c46b0f55836ea20d1438de18c8c1
[INFO] running `Command { std: "docker" "start" "-a" "132f21bdcd4b86a9bd246c462725cd176ce3c46b0f55836ea20d1438de18c8c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libffi v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "132f21bdcd4b86a9bd246c462725cd176ce3c46b0f55836ea20d1438de18c8c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132f21bdcd4b86a9bd246c462725cd176ce3c46b0f55836ea20d1438de18c8c1", kill_on_drop: false }`
[INFO] [stdout] 132f21bdcd4b86a9bd246c462725cd176ce3c46b0f55836ea20d1438de18c8c1
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 4579e9a991881a24c5d0dfd97f385bb8fd5ca32cd4be1122eb9a94b68dcb66ac
[INFO] running `Command { std: "docker" "start" "-a" "4579e9a991881a24c5d0dfd97f385bb8fd5ca32cd4be1122eb9a94b68dcb66ac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/libffi-6d8886ac2cbaf93e
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test middle::test::call ... ok
[INFO] [stdout] test middle::test::closure ... ok
[INFO] [stdout] test high::test::new ... ok
[INFO] [stdout] test high::test::new_mut ... ok
[INFO] [stdout] test middle::test::rust_lambda ... ok
[INFO] [stdout] test middle::types::test::clone_struct ... ok
[INFO] [stdout] test high::test::new_with_cif ... ok
[INFO] [stdout] test high::test::new_with_cif_mut ... ok
[INFO] [stdout] test middle::types::test::create_u64 ... ok
[INFO] [stdout] test middle::types::test::create_struct ... ok
[INFO] [stdout] test middle::types::test::clone_u64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libffi
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/high/call.rs - high::call::call (line 65) ... ok
[INFO] [stdout] test src/low.rs - low::prep_closure_mut (line 550) ... ok
[INFO] [stdout] test src/low.rs - low::prep_closure (line 458) ... ok
[INFO] [stdout] test src/high/call.rs - high::call (line 8) ... ok
[INFO] [stdout] test src/low.rs - low::call (line 314) ... ok
[INFO] [stdout] test src/low.rs - low::type_tag (line 171) ... ok
[INFO] [stdout] test src/middle/builder.rs - middle::builder::Builder (line 23) ... ok
[INFO] [stdout] test src/low.rs - low::prep_cif (line 228) ... ok
[INFO] [stdout] test src/high/mod.rs - high (line 55) ... ok
[INFO] [stdout] test src/high/call.rs - ffi_call (line 93) ... ok
[INFO] [stdout] test src/low.rs - low::closure_free (line 383) ... ok
[INFO] [stdout] test src/low.rs - low::closure_alloc (line 359) ... ok
[INFO] [stdout] test src/lib.rs - (line 72) ... ok
[INFO] [stdout] test src/middle/types.rs - middle::types::Type (line 45) ... ok
[INFO] [stdout] test src/high/mod.rs - high (line 35) ... ok
[INFO] [stdout] test src/middle/mod.rs - middle::Closure (line 201) ... ok
[INFO] [stdout] test src/middle/mod.rs - middle::Cif (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4579e9a991881a24c5d0dfd97f385bb8fd5ca32cd4be1122eb9a94b68dcb66ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4579e9a991881a24c5d0dfd97f385bb8fd5ca32cd4be1122eb9a94b68dcb66ac", kill_on_drop: false }`
[INFO] [stdout] 4579e9a991881a24c5d0dfd97f385bb8fd5ca32cd4be1122eb9a94b68dcb66ac