[INFO] fetching crate pnet_packet 0.26.0...
[INFO] checking pnet_packet-0.26.0 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate pnet_packet 0.26.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pnet_packet 0.26.0 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pnet_packet 0.26.0
[INFO] finished tweaking crates.io crate pnet_packet 0.26.0
[INFO] tweaked toml for crates.io crate pnet_packet 0.26.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] 59dfa6fcb58ee1f3ae8fbbcbf178b084d876278c66c4c1b6d5adf77ba0ffa6d3
[INFO] running `"docker" "start" "-a" "59dfa6fcb58ee1f3ae8fbbcbf178b084d876278c66c4c1b6d5adf77ba0ffa6d3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]     Checking pnet_base v0.26.0
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking pnet_macros_support v0.26.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.26.0
[INFO] [stderr]    Compiling pnet_packet v0.26.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/pnet_packet-ed2ae407cc9a4378/out/gre.rs:386:22
[INFO] [stderr]     |
[INFO] [stderr] 386 |             vec.push({ (packet[co] as u8) });
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/pnet_packet-ed2ae407cc9a4378/out/gre.rs:759:22
[INFO] [stderr]     |
[INFO] [stderr] 759 |             vec.push({ (packet[co] as u8) });
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/pnet_packet-ed2ae407cc9a4378/out/ipv4.rs:1407:22
[INFO] [stderr]      |
[INFO] [stderr] 1407 |             vec.push({ (packet[co] as u8) });
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/pnet_packet-ed2ae407cc9a4378/out/ipv4.rs:1530:22
[INFO] [stderr]      |
[INFO] [stderr] 1530 |             vec.push({ (packet[co] as u8) });
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/pnet_packet-ed2ae407cc9a4378/out/tcp.rs:1009:22
[INFO] [stderr]      |
[INFO] [stderr] 1009 |             vec.push({ (packet[co] as u8) });
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/pnet_packet-ed2ae407cc9a4378/out/tcp.rs:1110:22
[INFO] [stderr]      |
[INFO] [stderr] 1110 |             vec.push({ (packet[co] as u8) });
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/pnet_packet-ed2ae407cc9a4378/out/gre.rs:386:22
[INFO] [stderr]     |
[INFO] [stderr] 386 |             vec.push({ (packet[co] as u8) });
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]    --> /opt/rustwide/target/debug/build/pnet_packet-ed2ae407cc9a4378/out/gre.rs:759:22
[INFO] [stderr]     |
[INFO] [stderr] 759 |             vec.push({ (packet[co] as u8) });
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/pnet_packet-ed2ae407cc9a4378/out/ipv4.rs:1407:22
[INFO] [stderr]      |
[INFO] [stderr] 1407 |             vec.push({ (packet[co] as u8) });
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/pnet_packet-ed2ae407cc9a4378/out/ipv4.rs:1530:22
[INFO] [stderr]      |
[INFO] [stderr] 1530 |             vec.push({ (packet[co] as u8) });
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/pnet_packet-ed2ae407cc9a4378/out/tcp.rs:1009:22
[INFO] [stderr]      |
[INFO] [stderr] 1009 |             vec.push({ (packet[co] as u8) });
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around method argument
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/pnet_packet-ed2ae407cc9a4378/out/tcp.rs:1110:22
[INFO] [stderr]      |
[INFO] [stderr] 1110 |             vec.push({ (packet[co] as u8) });
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `"docker" "inspect" "59dfa6fcb58ee1f3ae8fbbcbf178b084d876278c66c4c1b6d5adf77ba0ffa6d3"`
[INFO] running `"docker" "rm" "-f" "59dfa6fcb58ee1f3ae8fbbcbf178b084d876278c66c4c1b6d5adf77ba0ffa6d3"`
[INFO] [stdout] 59dfa6fcb58ee1f3ae8fbbcbf178b084d876278c66c4c1b6d5adf77ba0ffa6d3