[INFO] crate ethox 0.0.1 is already in cache
[INFO] checking ethox-0.0.1 against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] extracting crate ethox 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ethox 0.0.1 on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ethox 0.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ethox 0.0.1
[INFO] tweaked toml for crates.io crate ethox 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ethox 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d5459dba3a32176500faf78c3ecbf4a689a6a0c1a9096ba22da6bd140065b84a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "d5459dba3a32176500faf78c3ecbf4a689a6a0c1a9096ba22da6bd140065b84a"`
[INFO] [stderr]     Checking ethox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> src/wire/tcp.rs:1012:13
[INFO] [stderr]      |
[INFO] [stderr] 1012 |             (self.flags.syn() | self.flags.fin() | self.flags.rst())
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> src/wire/tcp.rs:1012:13
[INFO] [stderr]      |
[INFO] [stderr] 1012 |             (self.flags.syn() | self.flags.fin() | self.flags.rst())
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.47s
[INFO] running `"docker" "inspect" "d5459dba3a32176500faf78c3ecbf4a689a6a0c1a9096ba22da6bd140065b84a"`
[INFO] running `"docker" "rm" "-f" "d5459dba3a32176500faf78c3ecbf4a689a6a0c1a9096ba22da6bd140065b84a"`
[INFO] [stdout] d5459dba3a32176500faf78c3ecbf4a689a6a0c1a9096ba22da6bd140065b84a