[INFO] cloning repository https://github.com/ColTrez/dhcp_spoofer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ColTrez/dhcp_spoofer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColTrez%2Fdhcp_spoofer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColTrez%2Fdhcp_spoofer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e32502e5c0c05a655af25f77ff1e717f84338858
[INFO] checking ColTrez/dhcp_spoofer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FColTrez%2Fdhcp_spoofer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ColTrez/dhcp_spoofer on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ColTrez/dhcp_spoofer
[INFO] finished tweaking git repo https://github.com/ColTrez/dhcp_spoofer
[INFO] tweaked toml for git repo https://github.com/ColTrez/dhcp_spoofer written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ColTrez/dhcp_spoofer 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v3.1.5
[INFO] [stderr]   Downloaded dhcproto v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c975015aeec51d2cea5492dc809b08336b7b3f312cf834307abffa40a5532f2
[INFO] running `Command { std: "docker" "start" "-a" "1c975015aeec51d2cea5492dc809b08336b7b3f312cf834307abffa40a5532f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c975015aeec51d2cea5492dc809b08336b7b3f312cf834307abffa40a5532f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c975015aeec51d2cea5492dc809b08336b7b3f312cf834307abffa40a5532f2", kill_on_drop: false }`
[INFO] [stdout] 1c975015aeec51d2cea5492dc809b08336b7b3f312cf834307abffa40a5532f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba1fdf9ea891d7e94e41951ceb257679ec0966a13ebd73a3afefe1aded7fd7ba
[INFO] running `Command { std: "docker" "start" "-a" "ba1fdf9ea891d7e94e41951ceb257679ec0966a13ebd73a3afefe1aded7fd7ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking dhcproto v0.6.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking clap v3.1.5
[INFO] [stderr]     Checking dhcp_spoofer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dhcproto::v4::DecodeError`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use dhcproto::v4::DecodeError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `dhcproto::v4::DecodeError`
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use dhcproto::v4::DecodeError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ipv4Addr`, `UdpSocket`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{UdpSocket, Ipv4Addr};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::spoofer::Spoofer`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::spoofer::Spoofer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stdout]  --> src/spoofer.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{info, trace, warn, error};
[INFO] [stdout]   |           ^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Ipv4Addr`, `UdpSocket`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{UdpSocket, Ipv4Addr};
[INFO] [stdout]   |                ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::spoofer::Spoofer`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::spoofer::Spoofer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info`, `trace`, `warn`
[INFO] [stdout]  --> src/spoofer.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{info, trace, warn, error};
[INFO] [stdout]   |           ^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_bytes`
[INFO] [stdout]   --> src/spoofer.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |         while let Ok((num_bytes, src_addr)) = socket.recv_from(&mut buffer) {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src_addr`
[INFO] [stdout]   --> src/spoofer.rs:31:34
[INFO] [stdout]    |
[INFO] [stdout] 31 |         while let Ok((num_bytes, src_addr)) = socket.recv_from(&mut buffer) {
[INFO] [stdout]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_src_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `discover_message_bytes` is never used
[INFO] [stdout]    --> src/spoofer.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn discover_message_bytes() -> EncodeResult<Vec<u8>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_bytes`
[INFO] [stdout]   --> src/spoofer.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |         while let Ok((num_bytes, src_addr)) = socket.recv_from(&mut buffer) {
[INFO] [stdout]    |                       ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src_addr`
[INFO] [stdout]   --> src/spoofer.rs:31:34
[INFO] [stdout]    |
[INFO] [stdout] 31 |         while let Ok((num_bytes, src_addr)) = socket.recv_from(&mut buffer) {
[INFO] [stdout]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_src_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outgoingMessage` should have a snake case name
[INFO] [stdout]   --> src/spoofer.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     let mut outgoingMessage = Vec::new();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `outgoing_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `offerMessage` should have a snake case name
[INFO] [stdout]   --> src/spoofer.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     Ok(offerMessage) => Ok(Some(offerMessage)),
[INFO] [stdout]    |                        ^^^^^^^^^^^^ help: convert the identifier to snake case: `offer_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `outgoingMessage` should have a snake case name
[INFO] [stdout]   --> src/spoofer.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |                     let mut outgoingMessage = Vec::new();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `outgoing_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `offerMessage` should have a snake case name
[INFO] [stdout]   --> src/spoofer.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     Ok(offerMessage) => Ok(Some(offerMessage)),
[INFO] [stdout]    |                        ^^^^^^^^^^^^ help: convert the identifier to snake case: `offer_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.08s
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba1fdf9ea891d7e94e41951ceb257679ec0966a13ebd73a3afefe1aded7fd7ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1fdf9ea891d7e94e41951ceb257679ec0966a13ebd73a3afefe1aded7fd7ba", kill_on_drop: false }`
[INFO] [stdout] ba1fdf9ea891d7e94e41951ceb257679ec0966a13ebd73a3afefe1aded7fd7ba