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[INFO] [stdout] ee3013cb2465d5e95ae42d941cfd2aa3318c31ec
[INFO] building cherrypiejam/ece539b-proj against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcherrypiejam%2Fece539b-proj" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cherrypiejam/ece539b-proj
[INFO] finished tweaking git repo https://github.com/cherrypiejam/ece539b-proj
[INFO] tweaked toml for git repo https://github.com/cherrypiejam/ece539b-proj written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cherrypiejam/ece539b-proj on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cherrypiejam/ece539b-proj 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "0269b62570d829de502402ef7cbe923997c4807a2eed61ab0f6d2798e634c14b", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16db6ddbd99a8299b1e22dc3ba88ad02423afe2a8576c740c8c98b442eb497eb
[INFO] running `Command { std: "docker" "start" "-a" "16db6ddbd99a8299b1e22dc3ba88ad02423afe2a8576c740c8c98b442eb497eb", kill_on_drop: false }`
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[INFO] [stderr]    Compiling net-timing-channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IpAddr` and `Ipv4Addr`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{IpAddr, Ipv4Addr};
[INFO] [stdout]   |                ^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]  --> src/main.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EchoReply`
[INFO] [stdout]   --> src/ping.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::icmp::{Echo, EchoReply, ICMP};
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/icmp.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn read(buf: &mut [u8]) -> Result<Self> {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `read` is never used
[INFO] [stdout]   --> src/icmp.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait ICMP<'a> {
[INFO] [stdout]    |           ---- associated function in this trait
[INFO] [stdout] 12 |     const CNTL_MSG: ControlMsg;
[INFO] [stdout] 13 |     fn read(buf: &'a mut [u8]) -> Result<Self> where Self: Sized;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EchoReply` is never constructed
[INFO] [stdout]   --> src/icmp.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct EchoReply<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/icmp.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl<'a> EchoReply<'a> {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 63 |     pub fn new(id: u16, seq: u16, data: &'a [u8]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ping_raw` is never used
[INFO] [stdout]   --> src/ping.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn ping_raw(addr: Ipv4Addr, timeout: Option<Duration>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ping` is never constructed
[INFO] [stdout]   --> src/channel.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum BurstControl {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 15 |     Ping {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BurstControl` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.82s
[INFO] running `Command { std: "docker" "inspect" "16db6ddbd99a8299b1e22dc3ba88ad02423afe2a8576c740c8c98b442eb497eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16db6ddbd99a8299b1e22dc3ba88ad02423afe2a8576c740c8c98b442eb497eb", kill_on_drop: false }`
[INFO] [stdout] 16db6ddbd99a8299b1e22dc3ba88ad02423afe2a8576c740c8c98b442eb497eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a40df1c1e83cd02a6cd3fe8985f78240936bf6928653719982bdd90530d33647
[INFO] running `Command { std: "docker" "start" "-a" "a40df1c1e83cd02a6cd3fe8985f78240936bf6928653719982bdd90530d33647", kill_on_drop: false }`
[INFO] [stderr]    Compiling net-timing-channel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IpAddr` and `Ipv4Addr`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::{IpAddr, Ipv4Addr};
[INFO] [stdout]   |                ^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]  --> src/main.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EchoReply`
[INFO] [stdout]   --> src/ping.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::icmp::{Echo, EchoReply, ICMP};
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/icmp.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn read(buf: &mut [u8]) -> Result<Self> {
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `read` is never used
[INFO] [stdout]   --> src/icmp.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait ICMP<'a> {
[INFO] [stdout]    |           ---- associated function in this trait
[INFO] [stdout] 12 |     const CNTL_MSG: ControlMsg;
[INFO] [stdout] 13 |     fn read(buf: &'a mut [u8]) -> Result<Self> where Self: Sized;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EchoReply` is never constructed
[INFO] [stdout]   --> src/icmp.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct EchoReply<'a> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/icmp.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl<'a> EchoReply<'a> {
[INFO] [stdout]    | ---------------------- associated function in this implementation
[INFO] [stdout] 63 |     pub fn new(id: u16, seq: u16, data: &'a [u8]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ping_raw` is never used
[INFO] [stdout]   --> src/ping.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn ping_raw(addr: Ipv4Addr, timeout: Option<Duration>) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ping` is never constructed
[INFO] [stdout]   --> src/channel.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum BurstControl {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 15 |     Ping {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BurstControl` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "a40df1c1e83cd02a6cd3fe8985f78240936bf6928653719982bdd90530d33647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40df1c1e83cd02a6cd3fe8985f78240936bf6928653719982bdd90530d33647", kill_on_drop: false }`
[INFO] [stdout] a40df1c1e83cd02a6cd3fe8985f78240936bf6928653719982bdd90530d33647
