[INFO] fetching crate leguichet-in 0.1.6...
[INFO] testing leguichet-in-0.1.6 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate leguichet-in 0.1.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate leguichet-in 0.1.6 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 leguichet-in 0.1.6
[INFO] finished tweaking crates.io crate leguichet-in 0.1.6
[INFO] tweaked toml for crates.io crate leguichet-in 0.1.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 errno v0.2.7
[INFO] [stderr]   Downloaded slog-stdlog v3.0.5
[INFO] [stderr]   Downloaded file v1.1.2
[INFO] [stderr]   Downloaded arc-swap v0.4.8
[INFO] [stderr]   Downloaded rust-lzma v0.4.0
[INFO] [stderr]   Downloaded unix-named-pipe v0.2.0
[INFO] [stderr]   Downloaded clam-client v0.1.1
[INFO] [stderr]   Downloaded yara v0.1.0
[INFO] [stderr]   Downloaded yara-sys v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] bbfcfb85242a6a22b1e8d1f016ccfc323ee6d916bff2dbba92ccb996ee519953
[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" "bbfcfb85242a6a22b1e8d1f016ccfc323ee6d916bff2dbba92ccb996ee519953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbfcfb85242a6a22b1e8d1f016ccfc323ee6d916bff2dbba92ccb996ee519953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbfcfb85242a6a22b1e8d1f016ccfc323ee6d916bff2dbba92ccb996ee519953", kill_on_drop: false }`
[INFO] [stdout] bbfcfb85242a6a22b1e8d1f016ccfc323ee6d916bff2dbba92ccb996ee519953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3e4763263dc04c60d22711baf31b81b84e249ebb8bb8d14b05c42595eaa9d4c7
[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" "3e4763263dc04c60d22711baf31b81b84e249ebb8bb8d14b05c42595eaa9d4c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling yara-sys v0.1.0
[INFO] [stderr]    Compiling file v1.1.2
[INFO] [stderr]    Compiling rust-lzma v0.4.0
[INFO] [stderr]    Compiling inotify-sys v0.1.4
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling slog-term v2.6.0
[INFO] [stderr]    Compiling unix-named-pipe v0.2.0
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling yara v0.1.0
[INFO] [stderr]    Compiling clam-client v0.1.1
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/yara-0.1.0/src/compiler.rs:99:39
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl<'a> Compiler<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] ...
[INFO] [stdout] 99  |         internals::compiler_get_rules(self.inner).map(Rules::from)
[INFO] [stdout]     |         ------------------------------^^^^^^^^^^------------------ returning this value requires that `*self.inner` is borrowed for `'a`
[INFO] [stdout] 100 |     }
[INFO] [stdout]     |     - here, drop of `self` needs exclusive access to `*self.inner`, because the type `Compiler<'_>` implements the `Drop` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0713`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yara`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3e4763263dc04c60d22711baf31b81b84e249ebb8bb8d14b05c42595eaa9d4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4763263dc04c60d22711baf31b81b84e249ebb8bb8d14b05c42595eaa9d4c7", kill_on_drop: false }`
[INFO] [stdout] 3e4763263dc04c60d22711baf31b81b84e249ebb8bb8d14b05c42595eaa9d4c7