[INFO] cloning repository https://github.com/greghaynes/rusty-dhcpd [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/greghaynes/rusty-dhcpd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreghaynes%2Frusty-dhcpd", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreghaynes%2Frusty-dhcpd'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a9f4bea9c86510c962b627a3214ad7dd34955e2c [INFO] checking greghaynes/rusty-dhcpd against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreghaynes%2Frusty-dhcpd" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/greghaynes/rusty-dhcpd on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/greghaynes/rusty-dhcpd [INFO] finished tweaking git repo https://github.com/greghaynes/rusty-dhcpd [INFO] tweaked toml for git repo https://github.com/greghaynes/rusty-dhcpd written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/greghaynes/rusty-dhcpd already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 511abb0194ac8a1ac5d17d678d86c7652c6301cfbecce5ee24dadbe70909d4dd [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" "511abb0194ac8a1ac5d17d678d86c7652c6301cfbecce5ee24dadbe70909d4dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "511abb0194ac8a1ac5d17d678d86c7652c6301cfbecce5ee24dadbe70909d4dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "511abb0194ac8a1ac5d17d678d86c7652c6301cfbecce5ee24dadbe70909d4dd", kill_on_drop: false }` [INFO] [stdout] 511abb0194ac8a1ac5d17d678d86c7652c6301cfbecce5ee24dadbe70909d4dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8578872e993511ff2c298f7bf43b4570688e1474f802d7f496486d15823d5079 [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" "8578872e993511ff2c298f7bf43b4570688e1474f802d7f496486d15823d5079", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.85 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling lexical-core v0.7.4 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking wyz v0.2.0 [INFO] [stderr] Checking tap v1.0.0 [INFO] [stderr] Checking funty v1.1.0 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling tokio v1.1.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling nom v6.0.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking bitvec v0.19.4 [INFO] [stderr] Checking slog-async v2.6.0 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.7 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Compiling enum-primitive-derive v0.1.2 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking slog-term v2.6.0 [INFO] [stderr] Checking dhcp4r v0.2.0 [INFO] [stderr] Compiling tokio-macros v1.0.0 [INFO] [stderr] Checking rusty-dhcpd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `nix::Error` [INFO] [stdout] --> src/server.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use nix::Error; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RawFd` [INFO] [stdout] --> src/server.rs:7:34 [INFO] [stdout] | [INFO] [stdout] 7 | use std::os::unix::io::{AsRawFd, RawFd}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `dhcp4r::server as dhcp4rserver` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use dhcp4r::server as dhcp4rserver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UdpSocket` [INFO] [stdout] --> src/main.rs:12:40 [INFO] [stdout] | [INFO] [stdout] 12 | use std::net::{Ipv4Addr, SocketAddrV4, UdpSocket}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/leases.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::Error` [INFO] [stdout] --> src/server.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use nix::Error; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RawFd` [INFO] [stdout] --> src/server.rs:7:34 [INFO] [stdout] | [INFO] [stdout] 7 | use std::os::unix::io::{AsRawFd, RawFd}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `dhcp4r::server as dhcp4rserver` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use dhcp4r::server as dhcp4rserver; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `UdpSocket` [INFO] [stdout] --> src/main.rs:12:40 [INFO] [stdout] | [INFO] [stdout] 12 | use std::net::{Ipv4Addr, SocketAddrV4, UdpSocket}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chaddr` [INFO] [stdout] --> src/leases.rs:164:27 [INFO] [stdout] | [INFO] [stdout] 164 | pub fn release(&self, chaddr: &[u8; 6], addr: &Ipv4Addr) -> Result<(), LeaseError> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_chaddr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/leases.rs:164:45 [INFO] [stdout] | [INFO] [stdout] 164 | pub fn release(&self, chaddr: &[u8; 6], addr: &Ipv4Addr) -> Result<(), LeaseError> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chaddr` [INFO] [stdout] --> src/leases.rs:164:27 [INFO] [stdout] | [INFO] [stdout] 164 | pub fn release(&self, chaddr: &[u8; 6], addr: &Ipv4Addr) -> Result<(), LeaseError> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_chaddr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/leases.rs:164:45 [INFO] [stdout] | [INFO] [stdout] 164 | pub fn release(&self, chaddr: &[u8; 6], addr: &Ipv4Addr) -> Result<(), LeaseError> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/server.rs:156:33 [INFO] [stdout] | [INFO] [stdout] 156 | ... Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/server.rs:156:33 [INFO] [stdout] | [INFO] [stdout] 156 | ... Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/server.rs:479:20 [INFO] [stdout] | [INFO] [stdout] 479 | Ok((n, addr)) => match dhcp4r::packet::Packet::from(&buff[..n]) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/server.rs:506:20 [INFO] [stdout] | [INFO] [stdout] 506 | Ok((n, addr)) => match dhcp4r::packet::Packet::from(&buff[..n]) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/leases.rs:189:13 [INFO] [stdout] | [INFO] [stdout] 189 | let mut block = create_block(); [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: variant is never constructed: `IpChaddrMismatch` [INFO] [stdout] --> src/leases.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | IpChaddrMismatch(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `release` [INFO] [stdout] --> src/leases.rs:164:12 [INFO] [stdout] | [INFO] [stdout] 164 | pub fn release(&self, chaddr: &[u8; 6], addr: &Ipv4Addr) -> Result<(), LeaseError> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `IpChaddrMismatch` [INFO] [stdout] --> src/leases.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | IpChaddrMismatch(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `release` [INFO] [stdout] --> src/leases.rs:164:12 [INFO] [stdout] | [INFO] [stdout] 164 | pub fn release(&self, chaddr: &[u8; 6], addr: &Ipv4Addr) -> Result<(), LeaseError> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | srv.serve(shutdown_notify).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | srv.serve(shutdown_notify).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `discoverPacket` should have a snake case name [INFO] [stdout] --> src/server.rs:386:8 [INFO] [stdout] | [INFO] [stdout] 386 | fn discoverPacket() -> dhcp4r::packet::Packet { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `discover_packet` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `requestPacket` should have a snake case name [INFO] [stdout] --> src/server.rs:404:8 [INFO] [stdout] | [INFO] [stdout] 404 | fn requestPacket() -> dhcp4r::packet::Packet { [INFO] [stdout] | ^^^^^^^^^^^^^ help: convert the identifier to snake case: `request_packet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 49.73s [INFO] running `Command { std: "docker" "inspect" "8578872e993511ff2c298f7bf43b4570688e1474f802d7f496486d15823d5079", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8578872e993511ff2c298f7bf43b4570688e1474f802d7f496486d15823d5079", kill_on_drop: false }` [INFO] [stdout] 8578872e993511ff2c298f7bf43b4570688e1474f802d7f496486d15823d5079