[INFO] cloning repository https://github.com/shunrin824/mcstatus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shunrin824/mcstatus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshunrin824%2Fmcstatus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshunrin824%2Fmcstatus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17b49b6e0a0b94a94f14e17d5656cba1c6c6cae4
[INFO] checking shunrin824/mcstatus against try#70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 for pr-151539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshunrin824%2Fmcstatus" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shunrin824/mcstatus
[INFO] finished tweaking git repo https://github.com/shunrin824/mcstatus
[INFO] tweaked toml for git repo https://github.com/shunrin824/mcstatus written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shunrin824/mcstatus on toolchain 70daa2c0d8eed7066b07966f3c0b0b8622bff4e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shunrin824/mcstatus 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" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mc-rcon v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1227cc6b87a9a5a44f707dd7d1e8350cccb6123eba14776720b29ee17456a19a
[INFO] running `Command { std: "docker" "start" "-a" "1227cc6b87a9a5a44f707dd7d1e8350cccb6123eba14776720b29ee17456a19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1227cc6b87a9a5a44f707dd7d1e8350cccb6123eba14776720b29ee17456a19a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1227cc6b87a9a5a44f707dd7d1e8350cccb6123eba14776720b29ee17456a19a", kill_on_drop: false }`
[INFO] [stdout] 1227cc6b87a9a5a44f707dd7d1e8350cccb6123eba14776720b29ee17456a19a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88d34c7696f0b2a14688a5ffee322f9ebb1036827ef8f138e3574896206c399a
[INFO] running `Command { std: "docker" "start" "-a" "88d34c7696f0b2a14688a5ffee322f9ebb1036827ef8f138e3574896206c399a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking mc-rcon v0.1.1
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking mcstatus v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let re = if (&args[4] == &"ex") {
[INFO] [stdout]    |                 ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -     let re = if (&args[4] == &"ex") {
[INFO] [stdout] 31 +     let re = if &args[4] == &"ex"  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:105:16
[INFO] [stdout]     |
[INFO] [stdout] 105 |             if (&args[1] == &"io_csv") {
[INFO] [stdout]     |                ^                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 -             if (&args[1] == &"io_csv") {
[INFO] [stdout] 105 +             if &args[1] == &"io_csv"  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:113:23
[INFO] [stdout]     |
[INFO] [stdout] 113 |             } else if (&args[1] == &"human") {
[INFO] [stdout]     |                       ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -             } else if (&args[1] == &"human") {
[INFO] [stdout] 113 +             } else if &args[1] == &"human"  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let re = if (&args[4] == &"ex") {
[INFO] [stdout]    |                 ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -     let re = if (&args[4] == &"ex") {
[INFO] [stdout] 31 +     let re = if &args[4] == &"ex"  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:105:16
[INFO] [stdout]     |
[INFO] [stdout] 105 |             if (&args[1] == &"io_csv") {
[INFO] [stdout]     |                ^                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 -             if (&args[1] == &"io_csv") {
[INFO] [stdout] 105 +             if &args[1] == &"io_csv"  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:113:23
[INFO] [stdout]     |
[INFO] [stdout] 113 |             } else if (&args[1] == &"human") {
[INFO] [stdout]     |                       ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 113 -             } else if (&args[1] == &"human") {
[INFO] [stdout] 113 +             } else if &args[1] == &"human"  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn net_send(content: String, send_type: String) {
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send_type`
[INFO] [stdout]  --> src/main.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn net_send(content: String, send_type: String) {
[INFO] [stdout]   |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn net_send(content: String, send_type: String) {
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send_type`
[INFO] [stdout]  --> src/main.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn net_send(content: String, send_type: String) {
[INFO] [stdout]   |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_send_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rcon_result: String;
[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/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut tps: f32 = 0.0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut rcon_result: String;
[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/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut tps: f32 = 0.0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `net_send` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn net_send(content: String, send_type: String) {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `net_send` is never used
[INFO] [stdout]  --> src/main.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn net_send(content: String, send_type: String) {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "88d34c7696f0b2a14688a5ffee322f9ebb1036827ef8f138e3574896206c399a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88d34c7696f0b2a14688a5ffee322f9ebb1036827ef8f138e3574896206c399a", kill_on_drop: false }`
[INFO] [stdout] 88d34c7696f0b2a14688a5ffee322f9ebb1036827ef8f138e3574896206c399a