[INFO] crate ethox 0.0.2 is already in cache
[INFO] checking ethox-0.0.2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate ethox 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ethox 0.0.2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ethox 0.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ethox 0.0.2
[INFO] tweaked toml for crates.io crate ethox 0.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ethox 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 6f11c780484ba66c0ddbbda5e935f50e30f4a4884983ef628a3c63ba3f75fae2
[INFO] running `"docker" "start" "-a" "6f11c780484ba66c0ddbbda5e935f50e30f4a4884983ef628a3c63ba3f75fae2"`
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking ethox v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> src/wire/./tcp.rs:1013:13
[INFO] [stderr]      |
[INFO] [stderr] 1013 |             (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]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]    --> src/layer/ip/packet.rs:267:5
[INFO] [stderr]     |
[INFO] [stderr] 267 |     pub fn control(&self) -> &Controller<'a> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:59:9
[INFO] [stderr]     |
[INFO] [stderr] 59  | #![warn(missing_docs)]
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> src/wire/./tcp.rs:1013:13
[INFO] [stderr]      |
[INFO] [stderr] 1013 |             (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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.30s
[INFO] running `"docker" "inspect" "6f11c780484ba66c0ddbbda5e935f50e30f4a4884983ef628a3c63ba3f75fae2"`
[INFO] running `"docker" "rm" "-f" "6f11c780484ba66c0ddbbda5e935f50e30f4a4884983ef628a3c63ba3f75fae2"`
[INFO] [stdout] 6f11c780484ba66c0ddbbda5e935f50e30f4a4884983ef628a3c63ba3f75fae2