[INFO] cloning repository https://github.com/abdul2801/sniffer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abdul2801/sniffer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdul2801%2Fsniffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdul2801%2Fsniffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ebd6dfa3046f35676dfeeae76281f98e50474db
[INFO] checking abdul2801/sniffer against master#2c0f4860cc86e2354a55ea04e738848168435c90 for pr-149145
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdul2801%2Fsniffer" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/abdul2801/sniffer
[INFO] finished tweaking git repo https://github.com/abdul2801/sniffer
[INFO] tweaked toml for git repo https://github.com/abdul2801/sniffer written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abdul2801/sniffer on toolchain 2c0f4860cc86e2354a55ea04e738848168435c90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abdul2801/sniffer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arp-parse v0.1.0
[INFO] [stderr]   Downloaded pcap v2.2.0
[INFO] [stderr]   Downloaded syn v2.0.82
[INFO] [stderr]   Downloaded etherparse v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bba0289968e65055fb03a854fb9eb79ad2f66f8d87973dbded46a3a9f571b463
[INFO] running `Command { std: "docker" "start" "-a" "bba0289968e65055fb03a854fb9eb79ad2f66f8d87973dbded46a3a9f571b463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bba0289968e65055fb03a854fb9eb79ad2f66f8d87973dbded46a3a9f571b463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba0289968e65055fb03a854fb9eb79ad2f66f8d87973dbded46a3a9f571b463", kill_on_drop: false }`
[INFO] [stdout] bba0289968e65055fb03a854fb9eb79ad2f66f8d87973dbded46a3a9f571b463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 805cac1a9389fdec224b70940e31647eeb20dec310faeba9101c1bbdb1dc0f8e
[INFO] running `Command { std: "docker" "start" "-a" "805cac1a9389fdec224b70940e31647eeb20dec310faeba9101c1bbdb1dc0f8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]     Checking arp-parse v0.1.0
[INFO] [stderr]    Compiling regex v1.11.0
[INFO] [stderr]     Checking etherparse v0.16.0
[INFO] [stderr]    Compiling pcap v2.2.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]    Compiling syn v2.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking sniffer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Ethernet2Header`
[INFO] [stdout]  --> src/main.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use etherparse::{Ethernet2Header, SlicedPacket};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Linktype`
[INFO] [stdout]  --> src/pcap_init.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pcap::{Capture, Device, Linktype};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string::ParseError`
[INFO] [stdout]  --> src/packets/icmp.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::ParseError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Icmpv4Type`
[INFO] [stdout]  --> src/packets/icmp.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use etherparse::{Icmpv4Header, Icmpv4Type};
[INFO] [stdout]   |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pcap::Error`
[INFO] [stdout]  --> src/packets/icmp.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pcap::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/packets/icmp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `icmp::ICMP`
[INFO] [stdout]  --> src/packets/ether.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{arp, icmp::ICMP, Ipv4::{self}};
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/packets/ether.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/packets/Ipv4.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ipv4` should have an upper camel case name
[INFO] [stdout]  --> src/packets/Ipv4.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum ipv4 {
[INFO] [stdout]   |          ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Ipv4`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `icmp` should have an upper camel case name
[INFO] [stdout]  --> src/packets/Ipv4.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     icmp(ICMP),
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Icmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `tcp` should have an upper camel case name
[INFO] [stdout]  --> src/packets/Ipv4.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     tcp,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `udp` should have an upper camel case name
[INFO] [stdout]  --> src/packets/Ipv4.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     udp,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Udp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ipv4HeaderSlice`, `SlicedPacket`, and `ipv4`
[INFO] [stdout]  --> src/packets/mod.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | ...::{ipv4, LenError}, EtherType, Ethernet2Header, Ethernet2Slice, IpNumber, Ipv4Header, Ipv4HeaderSlice, LinkSlice, SlicedPacket};
[INFO] [stdout]   |       ^^^^                                                                               ^^^^^^^^^^^^^^^             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pcap::Linktype`
[INFO] [stdout]  --> src/packets/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use pcap::Linktype;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::ErrorKind`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::ErrorKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ethernet2Header`
[INFO] [stdout]  --> src/main.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use etherparse::{Ethernet2Header, SlicedPacket};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Linktype`
[INFO] [stdout]  --> src/pcap_init.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pcap::{Capture, Device, Linktype};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string::ParseError`
[INFO] [stdout]  --> src/packets/icmp.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::ParseError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Icmpv4Type`
[INFO] [stdout]  --> src/packets/icmp.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use etherparse::{Icmpv4Header, Icmpv4Type};
[INFO] [stdout]   |                                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pcap::Error`
[INFO] [stdout]  --> src/packets/icmp.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pcap::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/packets/icmp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `icmp::ICMP`
[INFO] [stdout]  --> src/packets/ether.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{arp, icmp::ICMP, Ipv4::{self}};
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/packets/ether.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/packets/Ipv4.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ipv4` should have an upper camel case name
[INFO] [stdout]  --> src/packets/Ipv4.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum ipv4 {
[INFO] [stdout]   |          ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Ipv4`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `icmp` should have an upper camel case name
[INFO] [stdout]  --> src/packets/Ipv4.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     icmp(ICMP),
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Icmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `tcp` should have an upper camel case name
[INFO] [stdout]  --> src/packets/Ipv4.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     tcp,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Tcp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `udp` should have an upper camel case name
[INFO] [stdout]  --> src/packets/Ipv4.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     udp,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Udp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ipv4HeaderSlice`, `SlicedPacket`, and `ipv4`
[INFO] [stdout]  --> src/packets/mod.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | ...::{ipv4, LenError}, EtherType, Ethernet2Header, Ethernet2Slice, IpNumber, Ipv4Header, Ipv4HeaderSlice, LinkSlice, SlicedPacket};
[INFO] [stdout]   |       ^^^^                                                                               ^^^^^^^^^^^^^^^             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pcap::Linktype`
[INFO] [stdout]  --> src/packets/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use pcap::Linktype;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::ErrorKind`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::ErrorKind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/packets/mod.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let header = Ethernet2Header::from_slice(&eth.slice())?;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Ipv4` should have a snake case name
[INFO] [stdout]  --> src/packets/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod Ipv4;
[INFO] [stdout]   |     ^^^^ help: convert the identifier to snake case (notice the capitalization): `ipv4`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `header`
[INFO] [stdout]   --> src/packets/mod.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let header = Ethernet2Header::from_slice(&eth.slice())?;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Ipv4` should have a snake case name
[INFO] [stdout]  --> src/packets/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod Ipv4;
[INFO] [stdout]   |     ^^^^ help: convert the identifier to snake case (notice the capitalization): `ipv4`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.71s
[INFO] running `Command { std: "docker" "inspect" "805cac1a9389fdec224b70940e31647eeb20dec310faeba9101c1bbdb1dc0f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805cac1a9389fdec224b70940e31647eeb20dec310faeba9101c1bbdb1dc0f8e", kill_on_drop: false }`
[INFO] [stdout] 805cac1a9389fdec224b70940e31647eeb20dec310faeba9101c1bbdb1dc0f8e