[INFO] cloning repository https://github.com/Lawqup/networking
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lawqup/networking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLawqup%2Fnetworking", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLawqup%2Fnetworking'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc6722baa69781d004e142104b365e37aef58c20
[INFO] checking Lawqup/networking against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLawqup%2Fnetworking" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lawqup/networking
[INFO] finished tweaking git repo https://github.com/Lawqup/networking
[INFO] tweaked toml for git repo https://github.com/Lawqup/networking written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lawqup/networking on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lawqup/networking 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded tokio-tcp v0.1.4
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[INFO] [stderr]   Downloaded tokio-core v0.1.18
[INFO] [stderr]   Downloaded tokio v0.1.22
[INFO] [stderr]   Downloaded tokio-reactor v0.1.12
[INFO] [stderr]   Downloaded tun-tap v0.1.4
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
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[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
[INFO] [stderr]   Downloaded tokio-udp v0.1.6
[INFO] [stderr]   Downloaded tokio-codec v0.1.2
[INFO] [stderr]   Downloaded bytes v0.4.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48974305a000439fd42b30d0fde815eef3ed43f3b1c51d86db67fe82cef2fbf6
[INFO] running `Command { std: "docker" "start" "-a" "48974305a000439fd42b30d0fde815eef3ed43f3b1c51d86db67fe82cef2fbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48974305a000439fd42b30d0fde815eef3ed43f3b1c51d86db67fe82cef2fbf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48974305a000439fd42b30d0fde815eef3ed43f3b1c51d86db67fe82cef2fbf6", kill_on_drop: false }`
[INFO] [stdout] 48974305a000439fd42b30d0fde815eef3ed43f3b1c51d86db67fe82cef2fbf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1380a1a2612f8a081726bff0f8b20ae2c36b73134a920a8c707462bce01daac7
[INFO] running `Command { std: "docker" "start" "-a" "1380a1a2612f8a081726bff0f8b20ae2c36b73134a920a8c707462bce01daac7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling tun-tap v0.1.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-timer v0.2.13
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[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking thiserror v1.0.61
[INFO] [stderr]     Checking networking v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/tcp.rs:94:27
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn process_packet(packet: TcpPacket) -> Result<(), TcpProcessError> {
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Other` is never constructed
[INFO] [stdout]   --> src/common.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum NetParseError {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Other(String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NetParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/tcp.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct TcpPacket<'a> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  8 |     src_port: u16,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     dst_port: u16,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     seq_num: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     ack_num: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     is_ack: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     is_psh: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     is_rst: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     is_syn: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     is_fin: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     urg_pointer: Option<u16>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 18 |     window_size: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 19 |     data: &'a [u8],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TcpConnectionIdent` is never constructed
[INFO] [stdout]   --> src/tcp.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct TcpConnectionIdent {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TcpState` is never constructed
[INFO] [stdout]   --> src/tcp.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct TcpState {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TcpConnections` is never constructed
[INFO] [stdout]   --> src/tcp.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct TcpConnections(HashMap<TcpConnectionIdent, TcpState>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TcpProcessError` is never used
[INFO] [stdout]   --> src/tcp.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub enum TcpProcessError {}
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `process_packet` are never used
[INFO] [stdout]   --> src/tcp.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl TcpConnections {
[INFO] [stdout]    | ------------------- associated functions in this implementation
[INFO] [stdout] 90 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn process_packet(packet: TcpPacket) -> Result<(), TcpProcessError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/tcp.rs:94:27
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn process_packet(packet: TcpPacket) -> Result<(), TcpProcessError> {
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Other` is never constructed
[INFO] [stdout]   --> src/common.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum NetParseError {
[INFO] [stdout]    |          ------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     Other(String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NetParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/tcp.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct TcpPacket<'a> {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  8 |     src_port: u16,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     dst_port: u16,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     seq_num: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     ack_num: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     is_ack: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     is_psh: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     is_rst: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 15 |     is_syn: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     is_fin: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     urg_pointer: Option<u16>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 18 |     window_size: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 19 |     data: &'a [u8],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TcpPacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TcpConnectionIdent` is never constructed
[INFO] [stdout]   --> src/tcp.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct TcpConnectionIdent {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TcpState` is never constructed
[INFO] [stdout]   --> src/tcp.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct TcpState {}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TcpConnections` is never constructed
[INFO] [stdout]   --> src/tcp.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct TcpConnections(HashMap<TcpConnectionIdent, TcpState>);
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TcpProcessError` is never used
[INFO] [stdout]   --> src/tcp.rs:87:10
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub enum TcpProcessError {}
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `process_packet` are never used
[INFO] [stdout]   --> src/tcp.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl TcpConnections {
[INFO] [stdout]    | ------------------- associated functions in this implementation
[INFO] [stdout] 90 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 94 |     pub fn process_packet(packet: TcpPacket) -> Result<(), TcpProcessError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "1380a1a2612f8a081726bff0f8b20ae2c36b73134a920a8c707462bce01daac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1380a1a2612f8a081726bff0f8b20ae2c36b73134a920a8c707462bce01daac7", kill_on_drop: false }`
[INFO] [stdout] 1380a1a2612f8a081726bff0f8b20ae2c36b73134a920a8c707462bce01daac7