[INFO] fetching crate stamp-suite 0.1.1...
[INFO] checking stamp-suite-0.1.1 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate stamp-suite 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate stamp-suite 0.1.1
[INFO] finished tweaking crates.io crate stamp-suite 0.1.1
[INFO] tweaked toml for crates.io crate stamp-suite 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stamp-suite 0.1.1 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stamp-suite 0.1.1 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded termcolor v1.1.3
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded clap_derive v3.1.7
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded indexmap v1.8.1
[INFO] [stderr]   Downloaded textwrap v0.15.0
[INFO] [stderr]   Downloaded nix v0.23.1
[INFO] [stderr]   Downloaded clap v3.1.8
[INFO] [stderr]   Downloaded regex v1.5.5
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded libc v0.2.122
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84b0c9aa334efac96399094e5252b26fc2926005b086bcc03b06574dcd59ad0c
[INFO] running `Command { std: "docker" "start" "-a" "84b0c9aa334efac96399094e5252b26fc2926005b086bcc03b06574dcd59ad0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84b0c9aa334efac96399094e5252b26fc2926005b086bcc03b06574dcd59ad0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84b0c9aa334efac96399094e5252b26fc2926005b086bcc03b06574dcd59ad0c", kill_on_drop: false }`
[INFO] [stdout] 84b0c9aa334efac96399094e5252b26fc2926005b086bcc03b06574dcd59ad0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fc9980fdf6b598eb947a840a142ebc2267affc2fb971979ffd3683182d15b09
[INFO] running `Command { std: "docker" "start" "-a" "8fc9980fdf6b598eb947a840a142ebc2267affc2fb971979ffd3683182d15b09", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Checking stamp-suite v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::net::IpAddr`
[INFO] [stdout]  --> src/configuration.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::net::IpAddr;
[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: `crate::configuration::*`
[INFO] [stdout]  --> src/sender.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::configuration::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/sender.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::UdpSocket`
[INFO] [stdout]  --> src/sender.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::UdpSocket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io` and `thread`
[INFO] [stdout]  --> src/sender.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{io, thread};
[INFO] [stdout]   |           ^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/sender.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/receiver.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UdpSocket`
[INFO] [stdout]  --> src/receiver.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{IpAddr, UdpSocket};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::System`
[INFO] [stdout]  --> src/time.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::alloc::System;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Date` and `Timelike`
[INFO] [stdout]  --> src/time.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chrono::{Date, DateTime, Timelike, Utc};
[INFO] [stdout]   |              ^^^^            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::IpAddr`
[INFO] [stdout]  --> src/configuration.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::net::IpAddr;
[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: `crate::configuration::*`
[INFO] [stdout]  --> src/sender.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::configuration::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/sender.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::UdpSocket`
[INFO] [stdout]  --> src/sender.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::UdpSocket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io` and `thread`
[INFO] [stdout]  --> src/sender.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{io, thread};
[INFO] [stdout]   |           ^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/sender.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/receiver.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UdpSocket`
[INFO] [stdout]  --> src/receiver.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{IpAddr, UdpSocket};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::System`
[INFO] [stdout]  --> src/time.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::alloc::System;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Date` and `Timelike`
[INFO] [stdout]  --> src/time.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | use chrono::{Date, DateTime, Timelike, Utc};
[INFO] [stdout]   |              ^^^^            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/sender.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut packet = PacketUnauthenticated {
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/receiver.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut packet_resp = ReflectedPacketUnauthenticated {
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `src_addr`, `ttl`, and `data` are never read
[INFO] [stdout]   --> src/receiver.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct HopResult {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  8 |     src_addr: Option<IpAddr>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     ttl: Option<u8>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     data: Vec<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BufferType` is never used
[INFO] [stdout]   --> src/receiver.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | type BufferType = [u8; 65535];
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cs`
[INFO] [stdout]    --> src/configuration.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let cs = ClockFormat::NTP;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_cs`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/sender.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut packet = PacketUnauthenticated {
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/receiver.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut packet_resp = ReflectedPacketUnauthenticated {
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `packets`, `receiver`, `sender`, and `time`
[INFO] [stdout]  --> src/bin/stamp.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use stamp_suite::{configuration, packets, sender, receiver, time, packets::*};
[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: `std::io::Read`
[INFO] [stdout]   --> src/bin/stamp.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/bin/stamp.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice`
[INFO] [stdout]   --> src/bin/stamp.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::slice;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/bin/stamp.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stamp_suite::configuration::ClockFormat::NTP`
[INFO] [stdout]   --> src/bin/stamp.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use stamp_suite::configuration::ClockFormat::NTP;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `src_addr`, `ttl`, and `data` are never read
[INFO] [stdout]   --> src/receiver.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct HopResult {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout]  8 |     src_addr: Option<IpAddr>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]  9 |     ttl: Option<u8>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     data: Vec<u8>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BufferType` is never used
[INFO] [stdout]   --> src/receiver.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | type BufferType = [u8; 65535];
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/bin/stampd.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::borrow::Borrow;
[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 imports: `packets` and `sender`
[INFO] [stdout]  --> src/bin/stampd.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use stamp_suite::{configuration, packets, sender, receiver::*, packets::*};
[INFO] [stdout]   |                                  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/bin/stampd.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/bin/stampd.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice`
[INFO] [stdout]   --> src/bin/stampd.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::slice;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/bin/stampd.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `packets`, `receiver`, `sender`, and `time`
[INFO] [stdout]  --> src/bin/stamp.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use stamp_suite::{configuration, packets, sender, receiver, time, packets::*};
[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: `std::io::Read`
[INFO] [stdout]   --> src/bin/stamp.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/bin/stamp.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice`
[INFO] [stdout]   --> src/bin/stamp.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::slice;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/bin/stamp.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stamp_suite::configuration::ClockFormat::NTP`
[INFO] [stdout]   --> src/bin/stamp.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use stamp_suite::configuration::ClockFormat::NTP;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/stampd.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut packet = read_struct::<PacketUnauthenticated, &[u8]>(&mut buf).unwrap();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/stampd.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut packet_resp = assemble_unauth_answer(&packet, conf.clock_source, rcv_timestamp);
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/stamp.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         socket.send(buf);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = socket.send(buf);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/stampd.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     worker.join();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let _ = worker.join();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/stampd.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         socket.send_to(buf_resp, src_addr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let _ = socket.send_to(buf_resp, src_addr);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/stamp.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         socket.send(buf);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = socket.send(buf);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/bin/stampd.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::borrow::Borrow;
[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 imports: `packets` and `sender`
[INFO] [stdout]  --> src/bin/stampd.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use stamp_suite::{configuration, packets, sender, receiver::*, packets::*};
[INFO] [stdout]   |                                  ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/bin/stampd.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]   --> src/bin/stampd.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::mem;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice`
[INFO] [stdout]   --> src/bin/stampd.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::slice;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/bin/stampd.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToSocketAddrs`
[INFO] [stdout]    --> src/bin/stampd.rs:103:38
[INFO] [stdout]     |
[INFO] [stdout] 103 |     use std::net::{IpAddr, Ipv4Addr, ToSocketAddrs};
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/stampd.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut packet = read_struct::<PacketUnauthenticated, &[u8]>(&mut buf).unwrap();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/stampd.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut packet_resp = assemble_unauth_answer(&packet, conf.clock_source, rcv_timestamp);
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/stampd.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     worker.join();
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let _ = worker.join();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/bin/stampd.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         socket.send_to(buf_resp, src_addr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let _ = socket.send_to(buf_resp, src_addr);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.66s
[INFO] running `Command { std: "docker" "inspect" "8fc9980fdf6b598eb947a840a142ebc2267affc2fb971979ffd3683182d15b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc9980fdf6b598eb947a840a142ebc2267affc2fb971979ffd3683182d15b09", kill_on_drop: false }`
[INFO] [stdout] 8fc9980fdf6b598eb947a840a142ebc2267affc2fb971979ffd3683182d15b09
