[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#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Franduck-dev%2Fdhcp-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [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-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/randuck-dev/dhcp-rs on toolchain f21fbac535ab2c3bc50db20547f4d48477357103 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 811069ba61a12d320a8471b149e76061921a1694b23ebd982f82594dc02739e9 [INFO] running `Command { std: "docker" "start" "-a" "811069ba61a12d320a8471b149e76061921a1694b23ebd982f82594dc02739e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "811069ba61a12d320a8471b149e76061921a1694b23ebd982f82594dc02739e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "811069ba61a12d320a8471b149e76061921a1694b23ebd982f82594dc02739e9", kill_on_drop: false }` [INFO] [stdout] 811069ba61a12d320a8471b149e76061921a1694b23ebd982f82594dc02739e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 262583d193f323ef99075eeb4d85f2c8093f2f76f571899ee268e80daa16ee2d [INFO] running `Command { std: "docker" "start" "-a" "262583d193f323ef99075eeb4d85f2c8093f2f76f571899ee268e80daa16ee2d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling num-conv v0.1.0 [INFO] [stderr] Checking powerfmt v0.2.0 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Checking num_threads v0.1.7 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Compiling time-macros v0.2.18 [INFO] [stderr] Checking deranged v0.3.11 [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: `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: `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: 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: 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: 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] [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 { [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: 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s [INFO] running `Command { std: "docker" "inspect" "262583d193f323ef99075eeb4d85f2c8093f2f76f571899ee268e80daa16ee2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "262583d193f323ef99075eeb4d85f2c8093f2f76f571899ee268e80daa16ee2d", kill_on_drop: false }` [INFO] [stdout] 262583d193f323ef99075eeb4d85f2c8093f2f76f571899ee268e80daa16ee2d