[INFO] fetching crate cffi-impl 0.1.6...
[INFO] testing cffi-impl-0.1.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cffi-impl 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cffi-impl 0.1.6 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cffi-impl 0.1.6
[INFO] finished tweaking crates.io crate cffi-impl 0.1.6
[INFO] tweaked toml for crates.io crate cffi-impl 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b35325db493d17fa9f0c7195bcf777dfc539849975f7e5ad1656e4192b236763
[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" "b35325db493d17fa9f0c7195bcf777dfc539849975f7e5ad1656e4192b236763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b35325db493d17fa9f0c7195bcf777dfc539849975f7e5ad1656e4192b236763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b35325db493d17fa9f0c7195bcf777dfc539849975f7e5ad1656e4192b236763", kill_on_drop: false }`
[INFO] [stdout] b35325db493d17fa9f0c7195bcf777dfc539849975f7e5ad1656e4192b236763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 742086c1515ee9b1aafd1560ff87990c5f156830ba165029aa9eb9104626f2e4
[INFO] running `Command { std: "docker" "start" "-a" "742086c1515ee9b1aafd1560ff87990c5f156830ba165029aa9eb9104626f2e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling cffi-impl v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.49s
[INFO] running `Command { std: "docker" "inspect" "742086c1515ee9b1aafd1560ff87990c5f156830ba165029aa9eb9104626f2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742086c1515ee9b1aafd1560ff87990c5f156830ba165029aa9eb9104626f2e4", kill_on_drop: false }`
[INFO] [stdout] 742086c1515ee9b1aafd1560ff87990c5f156830ba165029aa9eb9104626f2e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 3230aa81280a599c90594e109e7edc058064698b7aa7e6dbee4f82a89b109497
[INFO] running `Command { std: "docker" "start" "-a" "3230aa81280a599c90594e109e7edc058064698b7aa7e6dbee4f82a89b109497", kill_on_drop: false }`
[INFO] [stderr]    Compiling cffi-impl v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "3230aa81280a599c90594e109e7edc058064698b7aa7e6dbee4f82a89b109497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3230aa81280a599c90594e109e7edc058064698b7aa7e6dbee4f82a89b109497", kill_on_drop: false }`
[INFO] [stdout] 3230aa81280a599c90594e109e7edc058064698b7aa7e6dbee4f82a89b109497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 949fa274bdd751e4352974077be0358c4d0711b30c8d5ef03c7f728857b96b9c
[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" "949fa274bdd751e4352974077be0358c4d0711b30c8d5ef03c7f728857b96b9c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cffi_impl-34e827c6796b836a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cffi-impl
[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] [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" "949fa274bdd751e4352974077be0358c4d0711b30c8d5ef03c7f728857b96b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949fa274bdd751e4352974077be0358c4d0711b30c8d5ef03c7f728857b96b9c", kill_on_drop: false }`
[INFO] [stdout] 949fa274bdd751e4352974077be0358c4d0711b30c8d5ef03c7f728857b96b9c