[INFO] cloning repository https://github.com/randuck-dev/dhcp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/randuck-dev/dhcp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franduck-dev%2Fdhcp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franduck-dev%2Fdhcp-rs'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franduck-dev%2Fdhcp-rs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/randuck-dev/dhcp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/randuck-dev/dhcp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franduck-dev%2Fdhcp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franduck-dev%2Fdhcp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d254440eadf3e8dad754af4d364ee7e3120b4771
[INFO] checking randuck-dev/dhcp-rs against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franduck-dev%2Fdhcp-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/randuck-dev/dhcp-rs on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/randuck-dev/dhcp-rs
[INFO] finished tweaking git repo https://github.com/randuck-dev/dhcp-rs
[INFO] tweaked toml for git repo https://github.com/randuck-dev/dhcp-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/randuck-dev/dhcp-rs 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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2198d7819bfe531125abc7f73018d55a830c18bacebacca1f5454350fba06df6
[INFO] running `Command { std: "docker" "start" "-a" "2198d7819bfe531125abc7f73018d55a830c18bacebacca1f5454350fba06df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2198d7819bfe531125abc7f73018d55a830c18bacebacca1f5454350fba06df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2198d7819bfe531125abc7f73018d55a830c18bacebacca1f5454350fba06df6", kill_on_drop: false }`
[INFO] [stdout] 2198d7819bfe531125abc7f73018d55a830c18bacebacca1f5454350fba06df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b223cb6fda6e57591c070331dd65e2b027d5ad35b971879af9200a79d4cb990
[INFO] running `Command { std: "docker" "start" "-a" "2b223cb6fda6e57591c070331dd65e2b027d5ad35b971879af9200a79d4cb990", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking simple_logger v5.0.0
[INFO] [stderr]     Checking dhcp-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/dhcp/server.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 |             Some(l) => {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/dhcp/server.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 |             Some(l) => {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/dhcp/server.rs:97:30
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn handle_decline(&self, packet: Packet) -> Result<()> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]   --> src/dhcp/server.rs:97:30
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn handle_decline(&self, packet: Packet) -> Result<()> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]    --> src/dhcp/server.rs:115:29
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn handle_inform(&self, packet: Packet) -> Result<()> {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]    --> src/dhcp/server.rs:119:30
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn handle_release(&self, packet: Packet) -> Result<()> {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]    --> src/dhcp/server.rs:115:29
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn handle_inform(&self, packet: Packet) -> Result<()> {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]    --> src/dhcp/server.rs:119:30
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn handle_release(&self, packet: Packet) -> Result<()> {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `broadcast` is never read
[INFO] [stdout]    --> src/dhcp/mod.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub(crate) struct Flags {
[INFO] [stdout]     |                   ----- field in this struct
[INFO] [stdout] 116 |     broadcast: bool,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Flags` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_packet` is never used
[INFO] [stdout]    --> src/dhcp/mod.rs:242:19
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl RawPacket {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 242 |     pub(crate) fn into_packet(self) -> Result<Packet, DhcpError> {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `MACAddress` is never used
[INFO] [stdout]  --> src/dhcp/lease.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type MACAddress = [u8; 6];
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ip`, `mac`, and `expires` are never read
[INFO] [stdout]  --> src/dhcp/lease.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Lease {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 7 |     ip: Ipv4Addr,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 8 |     mac: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 9 |     expires: u64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Lease` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `TimeOffset` and `Unknown` are never constructed
[INFO] [stdout]   --> src/dhcp/option.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Option {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7  |     TimeOffset(u32),               // 2
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Unknown(u8, u8),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Option` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dhcp/mod.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |         let mut raw_packet = RawPacket::default(MessageType::DHCPDISCOVER);
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/dhcp/packet.rs:9:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub(crate) struct Packet {
[INFO] [stdout]    |                   ------ fields in this struct
[INFO] [stdout] 9  |     pub op: OpType,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 10 |     pub htype: u8,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 11 |     pub hlen: u8,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 12 |     pub hops: u8,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 13 |     pub xid: u32,
[INFO] [stdout] 14 |     pub secs: u16,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 15 |     pub flags: Flags,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 16 |     pub ciaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 17 |     pub yiaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 18 |     pub siaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |     pub giaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 20 |     pub chaddr: [u8; 16],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 21 |     pub sname: [u8; 64],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 22 |     pub file: [u8; 128],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `port` is never read
[INFO] [stdout]   --> src/dhcp/server.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct DhcpServer {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     port: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `MACAddress` is never used
[INFO] [stdout]  --> src/dhcp/lease.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type MACAddress = [u8; 6];
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ip`, `mac`, and `expires` are never read
[INFO] [stdout]  --> src/dhcp/lease.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Lease {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 7 |     ip: Ipv4Addr,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 8 |     mac: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 9 |     expires: u64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Lease` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `TimeOffset` and `Unknown` are never constructed
[INFO] [stdout]   --> src/dhcp/option.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Option {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7  |     TimeOffset(u32),               // 2
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Unknown(u8, u8),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Option` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/dhcp/packet.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub(crate) struct Packet {
[INFO] [stdout]    |                   ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub ciaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 17 |     pub yiaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 18 |     pub siaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |     pub giaddr: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 20 |     pub chaddr: [u8; 16],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 21 |     pub sname: [u8; 64],
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 22 |     pub file: [u8; 128],
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Packet` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `port` is never read
[INFO] [stdout]   --> src/dhcp/server.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct DhcpServer {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 17 |     port: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "2b223cb6fda6e57591c070331dd65e2b027d5ad35b971879af9200a79d4cb990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b223cb6fda6e57591c070331dd65e2b027d5ad35b971879af9200a79d4cb990", kill_on_drop: false }`
[INFO] [stdout] 2b223cb6fda6e57591c070331dd65e2b027d5ad35b971879af9200a79d4cb990
