[INFO] fetching crate pnet_packet 0.26.0...
[INFO] checking pnet_packet-0.26.0 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate pnet_packet 0.26.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pnet_packet 0.26.0 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63c4a1013ccfe453d4eac9a036f50c8c6889f870146e81881362bebbd27ae7da
[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" "63c4a1013ccfe453d4eac9a036f50c8c6889f870146e81881362bebbd27ae7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63c4a1013ccfe453d4eac9a036f50c8c6889f870146e81881362bebbd27ae7da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c4a1013ccfe453d4eac9a036f50c8c6889f870146e81881362bebbd27ae7da", kill_on_drop: false }`
[INFO] [stdout] 63c4a1013ccfe453d4eac9a036f50c8c6889f870146e81881362bebbd27ae7da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f99169447d627b214c6496d7b35eb57a70dbc29f558aae8741b4f807c01b2eab
[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" "f99169447d627b214c6496d7b35eb57a70dbc29f558aae8741b4f807c01b2eab", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]     Checking pnet_base v0.26.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking pnet_macros_support v0.26.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling regex v1.3.9
[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] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/pnet_packet-6164aefce18c8e55/out/gre.rs:386:22
[INFO] [stdout]     |
[INFO] [stdout] 386 |             vec.push({ (packet[co] as u8) });
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/pnet_packet-6164aefce18c8e55/out/gre.rs:759:22
[INFO] [stdout]     |
[INFO] [stdout] 759 |             vec.push({ (packet[co] as u8) });
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/pnet_packet-6164aefce18c8e55/out/ipv4.rs:1407:22
[INFO] [stdout]      |
[INFO] [stdout] 1407 |             vec.push({ (packet[co] as u8) });
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/pnet_packet-6164aefce18c8e55/out/ipv4.rs:1530:22
[INFO] [stdout]      |
[INFO] [stdout] 1530 |             vec.push({ (packet[co] as u8) });
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/pnet_packet-6164aefce18c8e55/out/tcp.rs:1009:22
[INFO] [stdout]      |
[INFO] [stdout] 1009 |             vec.push({ (packet[co] as u8) });
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/pnet_packet-6164aefce18c8e55/out/tcp.rs:1110:22
[INFO] [stdout]      |
[INFO] [stdout] 1110 |             vec.push({ (packet[co] as u8) });
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/pnet_packet-6164aefce18c8e55/out/gre.rs:386:22
[INFO] [stdout]     |
[INFO] [stdout] 386 |             vec.push({ (packet[co] as u8) });
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/pnet_packet-6164aefce18c8e55/out/gre.rs:759:22
[INFO] [stdout]     |
[INFO] [stdout] 759 |             vec.push({ (packet[co] as u8) });
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/pnet_packet-6164aefce18c8e55/out/ipv4.rs:1407:22
[INFO] [stdout]      |
[INFO] [stdout] 1407 |             vec.push({ (packet[co] as u8) });
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/pnet_packet-6164aefce18c8e55/out/ipv4.rs:1530:22
[INFO] [stdout]      |
[INFO] [stdout] 1530 |             vec.push({ (packet[co] as u8) });
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/pnet_packet-6164aefce18c8e55/out/tcp.rs:1009:22
[INFO] [stdout]      |
[INFO] [stdout] 1009 |             vec.push({ (packet[co] as u8) });
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/pnet_packet-6164aefce18c8e55/out/tcp.rs:1110:22
[INFO] [stdout]      |
[INFO] [stdout] 1110 |             vec.push({ (packet[co] as u8) });
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "f99169447d627b214c6496d7b35eb57a70dbc29f558aae8741b4f807c01b2eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99169447d627b214c6496d7b35eb57a70dbc29f558aae8741b4f807c01b2eab", kill_on_drop: false }`
[INFO] [stdout] f99169447d627b214c6496d7b35eb57a70dbc29f558aae8741b4f807c01b2eab