[INFO] cloning repository https://github.com/spencerkohan/ddns-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spencerkohan/ddns-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspencerkohan%2Fddns-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspencerkohan%2Fddns-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fd7158751c7f087c367a09b8f790ccf8d0a9db4
[INFO] checking spencerkohan/ddns-rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspencerkohan%2Fddns-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/spencerkohan/ddns-rs
[INFO] finished tweaking git repo https://github.com/spencerkohan/ddns-rs
[INFO] tweaked toml for git repo https://github.com/spencerkohan/ddns-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/spencerkohan/ddns-rs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/spencerkohan/ddns-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e06adba41a13a88f1f0e755761365bba6d25e42541c692f483a658d4ca4d2943
[INFO] running `Command { std: "docker" "start" "-a" "e06adba41a13a88f1f0e755761365bba6d25e42541c692f483a658d4ca4d2943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e06adba41a13a88f1f0e755761365bba6d25e42541c692f483a658d4ca4d2943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e06adba41a13a88f1f0e755761365bba6d25e42541c692f483a658d4ca4d2943", kill_on_drop: false }`
[INFO] [stdout] e06adba41a13a88f1f0e755761365bba6d25e42541c692f483a658d4ca4d2943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df49c433db6efe8a588e3a5da3482c6d863d753c7f4825bf97ed11214a0020c5
[INFO] running `Command { std: "docker" "start" "-a" "df49c433db6efe8a588e3a5da3482c6d863d753c7f4825bf97ed11214a0020c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking qstring v0.6.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking ureq v0.9.1
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking ddns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::PathBuf;
[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::path::PathBuf`
[INFO] [stdout]  --> src/dns.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/dns.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/dns.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `v4` should have an upper camel case name
[INFO] [stdout]   --> src/dns.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     v4, 
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `V4`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `v6` should have an upper camel case name
[INFO] [stdout]   --> src/dns.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     v6  
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `V6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `IP_Set` should have an upper camel case name
[INFO] [stdout]   --> src/dns.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct IP_Set {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to upper camel case: `IpSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `DNS_Record` should have an upper camel case name
[INFO] [stdout]   --> src/cloudflare.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct DNS_Record {
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `DnsRecord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `DNS_Record_Post` should have an upper camel case name
[INFO] [stdout]   --> src/cloudflare.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct DNS_Record_Post {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DnsRecordPost`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `DNS_Record_Patch` should have an upper camel case name
[INFO] [stdout]   --> src/cloudflare.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct DNS_Record_Patch {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DnsRecordPatch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cloudflare.rs:86:5
[INFO] [stdout]     |
[INFO] [stdout]  86 |       /// Create record if none found
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  87 | /     if !found {
[INFO] [stdout]  88 | |
[INFO] [stdout]  89 | |         println!("no existing {} record found, creating a new one", ipv.dns_record_type());
[INFO] [stdout] ...   |
[INFO] [stdout] 104 | |         println!("response data: {:?}", response.into_string());
[INFO] [stdout] 105 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/systemd.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::PathBuf;
[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::path::PathBuf`
[INFO] [stdout]  --> src/dns.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::PathBuf;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/dns.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/dns.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `v4` should have an upper camel case name
[INFO] [stdout]   --> src/dns.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     v4, 
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `V4`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `v6` should have an upper camel case name
[INFO] [stdout]   --> src/dns.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     v6  
[INFO] [stdout]    |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `V6`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `IP_Set` should have an upper camel case name
[INFO] [stdout]   --> src/dns.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct IP_Set {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to upper camel case: `IpSet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `DNS_Record` should have an upper camel case name
[INFO] [stdout]   --> src/cloudflare.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct DNS_Record {
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to upper camel case: `DnsRecord`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `DNS_Record_Post` should have an upper camel case name
[INFO] [stdout]   --> src/cloudflare.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct DNS_Record_Post {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DnsRecordPost`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `DNS_Record_Patch` should have an upper camel case name
[INFO] [stdout]   --> src/cloudflare.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct DNS_Record_Patch {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DnsRecordPatch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cloudflare.rs:86:5
[INFO] [stdout]     |
[INFO] [stdout]  86 |       /// Create record if none found
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  87 | /     if !found {
[INFO] [stdout]  88 | |
[INFO] [stdout]  89 | |         println!("no existing {} record found, creating a new one", ipv.dns_record_type());
[INFO] [stdout] ...   |
[INFO] [stdout] 104 | |         println!("response data: {:?}", response.into_string());
[INFO] [stdout] 105 | |     }
[INFO] [stdout]     | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/systemd.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dns::IPV, Infallible>
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | /         #[structopt(short, long, default_value = "v6")]
[INFO] [stdout] 53 | |         version: IPV
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | /         /// The user to run ddns as
[INFO] [stdout] 58 | |         #[structopt(short, long)]
[INFO] [stdout] 59 | |         user: String
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | /     #[structopt(short, long)]
[INFO] [stdout] 91 | |     /// the domain dynamic DNS will be configured for
[INFO] [stdout] 92 | |     domain: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | /     #[structopt(short = "k", long = "api-key")]
[INFO] [stdout] 95 | |     /// the cloudflare api key as documented here: https://api.cloudflare.com/
[INFO] [stdout] 96 | |     api_key: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout]  98 | /     #[structopt(short = "z", long = "zone-id")]
[INFO] [stdout]  99 | |     /// the cloudflare zone id where this domain is hosted
[INFO] [stdout] 100 | |     zone_id: String
[INFO] [stdout]     | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:182:17
[INFO] [stdout]     |
[INFO] [stdout] 182 |                 systemd::create_service(user);
[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] 182 |                 let _ = systemd::create_service(user);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 systemd::remove_service();
[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] 185 |                 let _ = systemd::remove_service();
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dns::IPV, Infallible>
[INFO] [stdout]   --> src/dns.rs:17:55
[INFO] [stdout]    |
[INFO] [stdout] 17 |       fn from_str(ipv: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _______________________________________________________^
[INFO] [stdout] 18 | |         match ipv {
[INFO] [stdout] 19 | |             "v6" => Ok(IPV::v6),
[INFO] [stdout] 20 | |             "v4" => Ok(IPV::v4),
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }   
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dns::IPV, Infallible>
[INFO] [stdout]   --> src/dns.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | /         match ipv {
[INFO] [stdout] 19 | |             "v6" => Ok(IPV::v6),
[INFO] [stdout] 20 | |             "v4" => Ok(IPV::v4),
[INFO] [stdout] 21 | |             _ => Ok(IPV::v6),
[INFO] [stdout] 22 | |         }   
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dns::IPV, Infallible>
[INFO] [stdout]   --> src/dns.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |             "v6" => Ok(IPV::v6),
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dns::IPV, Infallible>
[INFO] [stdout]   --> src/dns.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |             "v4" => Ok(IPV::v4),
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dns::IPV, Infallible>
[INFO] [stdout]   --> src/dns.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |             _ => Ok(IPV::v6),
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ddns` (bin "ddns") due to 10 previous errors; 14 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<dns::IPV, Infallible>
[INFO] [stdout]   --> src/main.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | /         #[structopt(short, long, default_value = "v6")]
[INFO] [stdout] 53 | |         version: IPV
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 | /         /// The user to run ddns as
[INFO] [stdout] 58 | |         #[structopt(short, long)]
[INFO] [stdout] 59 | |         user: String
[INFO] [stdout]    | |____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | /     #[structopt(short, long)]
[INFO] [stdout] 91 | |     /// the domain dynamic DNS will be configured for
[INFO] [stdout] 92 | |     domain: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | /     #[structopt(short = "k", long = "api-key")]
[INFO] [stdout] 95 | |     /// the cloudflare api key as documented here: https://api.cloudflare.com/
[INFO] [stdout] 96 | |     api_key: String,
[INFO] [stdout]    | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout]  98 | /     #[structopt(short = "z", long = "zone-id")]
[INFO] [stdout]  99 | |     /// the cloudflare zone id where this domain is hosted
[INFO] [stdout] 100 | |     zone_id: String
[INFO] [stdout]     | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:182:17
[INFO] [stdout]     |
[INFO] [stdout] 182 |                 systemd::create_service(user);
[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] 182 |                 let _ = systemd::create_service(user);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 systemd::remove_service();
[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] 185 |                 let _ = systemd::remove_service();
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dns::IPV, Infallible>
[INFO] [stdout]   --> src/dns.rs:17:55
[INFO] [stdout]    |
[INFO] [stdout] 17 |       fn from_str(ipv: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _______________________________________________________^
[INFO] [stdout] 18 | |         match ipv {
[INFO] [stdout] 19 | |             "v6" => Ok(IPV::v6),
[INFO] [stdout] 20 | |             "v4" => Ok(IPV::v4),
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }   
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dns::IPV, Infallible>
[INFO] [stdout]   --> src/dns.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | /         match ipv {
[INFO] [stdout] 19 | |             "v6" => Ok(IPV::v6),
[INFO] [stdout] 20 | |             "v4" => Ok(IPV::v4),
[INFO] [stdout] 21 | |             _ => Ok(IPV::v6),
[INFO] [stdout] 22 | |         }   
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dns::IPV, Infallible>
[INFO] [stdout]   --> src/dns.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 |             "v6" => Ok(IPV::v6),
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dns::IPV, Infallible>
[INFO] [stdout]   --> src/dns.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |             "v4" => Ok(IPV::v4),
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<dns::IPV, Infallible>
[INFO] [stdout]   --> src/dns.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |             _ => Ok(IPV::v6),
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ddns` (bin "ddns" test) due to 10 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "df49c433db6efe8a588e3a5da3482c6d863d753c7f4825bf97ed11214a0020c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df49c433db6efe8a588e3a5da3482c6d863d753c7f4825bf97ed11214a0020c5", kill_on_drop: false }`
[INFO] [stdout] df49c433db6efe8a588e3a5da3482c6d863d753c7f4825bf97ed11214a0020c5
