[INFO] crate yara 0.1.0 is already in cache
[INFO] checking yara-0.1.0 against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] extracting crate yara 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate yara 0.1.0 on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate yara 0.1.0
[INFO] finished tweaking crates.io crate yara 0.1.0
[INFO] tweaked toml for crates.io crate yara 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 59ba9de0a57f540ce3086b6576fab9234c53b5f5162e2e6e79d09eda4238b2b4
[INFO] running `"docker" "start" "-a" "59ba9de0a57f540ce3086b6576fab9234c53b5f5162e2e6e79d09eda4238b2b4"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling yara-sys v0.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking yara v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:68:32
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:122:32
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]     |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:125:28
[INFO] [stderr]     |
[INFO] [stderr] 125 |             .map(|e| e as &Fail)
[INFO] [stderr]     |                            ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> src/compiler.rs:99:39
[INFO] [stderr]     |
[INFO] [stderr] 16  | impl<'a> Compiler<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] ...
[INFO] [stderr] 99  |         internals::compiler_get_rules(self.inner).map(Rules::from)
[INFO] [stderr]     |         ------------------------------^^^^^^^^^^------------------ returning this value requires that `*self.inner` is borrowed for `'a`
[INFO] [stderr] 100 |     }
[INFO] [stderr]     |     - here, drop of `self` needs exclusive access to `*self.inner`, because the type `compiler::Compiler<'_>` implements the `Drop` trait
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0713`.
[INFO] [stderr] error: could not compile `yara`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:68:32
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:122:32
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]     |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/errors.rs:125:28
[INFO] [stderr]     |
[INFO] [stderr] 125 |             .map(|e| e as &Fail)
[INFO] [stderr]     |                            ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> src/compiler.rs:99:39
[INFO] [stderr]     |
[INFO] [stderr] 16  | impl<'a> Compiler<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] ...
[INFO] [stderr] 99  |         internals::compiler_get_rules(self.inner).map(Rules::from)
[INFO] [stderr]     |         ------------------------------^^^^^^^^^^------------------ returning this value requires that `*self.inner` is borrowed for `'a`
[INFO] [stderr] 100 |     }
[INFO] [stderr]     |     - here, drop of `self` needs exclusive access to `*self.inner`, because the type `compiler::Compiler<'_>` implements the `Drop` trait
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0713`.
[INFO] [stderr] error: could not compile `yara`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "59ba9de0a57f540ce3086b6576fab9234c53b5f5162e2e6e79d09eda4238b2b4"`
[INFO] running `"docker" "rm" "-f" "59ba9de0a57f540ce3086b6576fab9234c53b5f5162e2e6e79d09eda4238b2b4"`
[INFO] [stdout] 59ba9de0a57f540ce3086b6576fab9234c53b5f5162e2e6e79d09eda4238b2b4