[INFO] cloning repository https://github.com/Kidoly/HttpServerMonitoring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kidoly/HttpServerMonitoring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKidoly%2FHttpServerMonitoring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKidoly%2FHttpServerMonitoring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54874df2f667b3caad70448703096e30d6b6baf4
[INFO] testing Kidoly/HttpServerMonitoring against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKidoly%2FHttpServerMonitoring" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kidoly/HttpServerMonitoring
[INFO] finished tweaking git repo https://github.com/Kidoly/HttpServerMonitoring
[INFO] tweaked toml for git repo https://github.com/Kidoly/HttpServerMonitoring written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kidoly/HttpServerMonitoring on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kidoly/HttpServerMonitoring 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" "+1.99.0-beta.8" "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 xcap v0.0.1
[INFO] [stderr]   Downloaded pkg-config v0.3.29
[INFO] [stderr]   Downloaded core-graphics v0.23.1
[INFO] [stderr]   Downloaded either v1.9.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.76
[INFO] [stderr]   Downloaded smallvec v1.13.1
[INFO] [stderr]   Downloaded half v2.2.1
[INFO] [stderr]   Downloaded uuid v1.10.0
[INFO] [stderr]   Downloaded getrandom v0.2.14
[INFO] [stderr]   Downloaded serde_derive v1.0.195
[INFO] [stderr]   Downloaded bytemuck v1.14.0
[INFO] [stderr]   Downloaded num-traits v0.2.17
[INFO] [stderr]   Downloaded flate2 v1.0.28
[INFO] [stderr]   Downloaded serde v1.0.195
[INFO] [stderr]   Downloaded syn v2.0.48
[INFO] [stderr]   Downloaded png v0.17.11
[INFO] [stderr]   Downloaded ntapi v0.4.1
[INFO] [stderr]   Downloaded serde_json v1.0.111
[INFO] [stderr]   Downloaded rayon v1.8.1
[INFO] [stderr]   Downloaded sysinfo v0.30.5
[INFO] [stderr]   Downloaded xcb v1.3.0
[INFO] [stderr]   Downloaded exr v1.71.0
[INFO] [stderr]   Downloaded gif v0.12.0
[INFO] [stderr]   Downloaded libc v0.2.152
[INFO] [stderr]   Downloaded image v0.24.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c42237a7d2d82b51e2234dcf0d1d3dd793fa4d3e65705e9b9a1b3d296428a1d6
[INFO] running `Command { std: "docker" "start" "c42237a7d2d82b51e2234dcf0d1d3dd793fa4d3e65705e9b9a1b3d296428a1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c42237a7d2d82b51e2234dcf0d1d3dd793fa4d3e65705e9b9a1b3d296428a1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c42237a7d2d82b51e2234dcf0d1d3dd793fa4d3e65705e9b9a1b3d296428a1d6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c42237a7d2d82b51e2234dcf0d1d3dd793fa4d3e65705e9b9a1b3d296428a1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c42237a7d2d82b51e2234dcf0d1d3dd793fa4d3e65705e9b9a1b3d296428a1d6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling webpki-roots v0.26.1
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling quick-xml v0.30.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling uuid v1.10.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling png v0.17.11
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling xcb v1.3.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling libdbus-sys v0.2.5
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling exr v1.71.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling sysinfo v0.30.5
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling image v0.24.8
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling rustls-webpki v0.102.4
[INFO] [stderr]    Compiling dbus v0.9.7
[INFO] [stderr]    Compiling xcap v0.0.1
[INFO] [stderr]    Compiling ureq v2.9.7
[INFO] [stderr]    Compiling monitorflowmodule v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `new_contents`
[INFO] [stdout]    --> src/main.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let new_contents = contents.replace("\n\n", "\n");
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_contents`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_contents`
[INFO] [stdout]    --> src/main.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let new_contents = contents.replace("\n\n", "\n");
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_contents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_uuid` is never used
[INFO] [stdout]    --> src/main.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn read_uuid() -> std::io::Result<uuid::Uuid> {
[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 `read_services_to_verify` is never used
[INFO] [stdout]    --> src/main.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn read_services_to_verify() -> std::io::Result<Vec<String>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_service_to_verify` is never used
[INFO] [stdout]    --> src/main.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn add_service_to_verify(service: &str) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_service_to_verify` is never used
[INFO] [stdout]    --> src/main.rs:168:4
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn remove_service_to_verify(service: &str) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_empty_lines` is never used
[INFO] [stdout]    --> src/main.rs:184:4
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn delete_empty_lines() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_tasks_to_verify` is never used
[INFO] [stdout]    --> src/main.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn read_tasks_to_verify() -> std::io::Result<Vec<String>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_task_to_verify` is never used
[INFO] [stdout]    --> src/main.rs:204:4
[INFO] [stdout]     |
[INFO] [stdout] 204 | fn add_task_to_verify(task: &str) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_task_to_verify` is never used
[INFO] [stdout]    --> src/main.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn remove_task_to_verify(task: &str) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_info_file` is never used
[INFO] [stdout]    --> src/main.rs:245:4
[INFO] [stdout]     |
[INFO] [stdout] 245 | fn create_info_file() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_info_file` is never used
[INFO] [stdout]    --> src/main.rs:253:4
[INFO] [stdout]     |
[INFO] [stdout] 253 | fn test_info_file() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1m 36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: xcap v0.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "c42237a7d2d82b51e2234dcf0d1d3dd793fa4d3e65705e9b9a1b3d296428a1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c42237a7d2d82b51e2234dcf0d1d3dd793fa4d3e65705e9b9a1b3d296428a1d6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling monitorflowmodule v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `new_contents`
[INFO] [stdout]    --> src/main.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |         let new_contents = contents.replace("\n\n", "\n");
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_contents`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_contents`
[INFO] [stdout]    --> src/main.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let new_contents = contents.replace("\n\n", "\n");
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_contents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_uuid` is never used
[INFO] [stdout]    --> src/main.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn read_uuid() -> std::io::Result<uuid::Uuid> {
[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 `read_services_to_verify` is never used
[INFO] [stdout]    --> src/main.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn read_services_to_verify() -> std::io::Result<Vec<String>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_service_to_verify` is never used
[INFO] [stdout]    --> src/main.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn add_service_to_verify(service: &str) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_service_to_verify` is never used
[INFO] [stdout]    --> src/main.rs:168:4
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn remove_service_to_verify(service: &str) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `delete_empty_lines` is never used
[INFO] [stdout]    --> src/main.rs:184:4
[INFO] [stdout]     |
[INFO] [stdout] 184 | fn delete_empty_lines() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_tasks_to_verify` is never used
[INFO] [stdout]    --> src/main.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn read_tasks_to_verify() -> std::io::Result<Vec<String>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_task_to_verify` is never used
[INFO] [stdout]    --> src/main.rs:204:4
[INFO] [stdout]     |
[INFO] [stdout] 204 | fn add_task_to_verify(task: &str) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_task_to_verify` is never used
[INFO] [stdout]    --> src/main.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn remove_task_to_verify(task: &str) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_info_file` is never used
[INFO] [stdout]    --> src/main.rs:245:4
[INFO] [stdout]     |
[INFO] [stdout] 245 | fn create_info_file() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_info_file` is never used
[INFO] [stdout]    --> src/main.rs:253:4
[INFO] [stdout]     |
[INFO] [stdout] 253 | fn test_info_file() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.45s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: xcap v0.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "c42237a7d2d82b51e2234dcf0d1d3dd793fa4d3e65705e9b9a1b3d296428a1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c42237a7d2d82b51e2234dcf0d1d3dd793fa4d3e65705e9b9a1b3d296428a1d6" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `new_contents`
[INFO] [stderr]    --> src/main.rs:175:13
[INFO] [stderr]     |
[INFO] [stderr] 175 |         let new_contents = contents.replace("\n\n", "\n");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_contents`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_contents`
[INFO] [stderr]    --> src/main.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |         let new_contents = contents.replace("\n\n", "\n");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_uuid` is never used
[INFO] [stderr]    --> src/main.rs:135:4
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn read_uuid() -> std::io::Result<uuid::Uuid> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_services_to_verify` is never used
[INFO] [stderr]    --> src/main.rs:144:4
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn read_services_to_verify() -> std::io::Result<Vec<String>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_service_to_verify` is never used
[INFO] [stderr]    --> src/main.rs:153:4
[INFO] [stderr]     |
[INFO] [stderr] 153 | fn add_service_to_verify(service: &str) -> std::io::Result<()> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `remove_service_to_verify` is never used
[INFO] [stderr]    --> src/main.rs:168:4
[INFO] [stderr]     |
[INFO] [stderr] 168 | fn remove_service_to_verify(service: &str) -> std::io::Result<()> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `delete_empty_lines` is never used
[INFO] [stderr]    --> src/main.rs:184:4
[INFO] [stderr]     |
[INFO] [stderr] 184 | fn delete_empty_lines() -> std::io::Result<()> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_tasks_to_verify` is never used
[INFO] [stderr]    --> src/main.rs:195:4
[INFO] [stderr]     |
[INFO] [stderr] 195 | fn read_tasks_to_verify() -> std::io::Result<Vec<String>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_task_to_verify` is never used
[INFO] [stderr]    --> src/main.rs:204:4
[INFO] [stderr]     |
[INFO] [stderr] 204 | fn add_task_to_verify(task: &str) -> std::io::Result<()> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `remove_task_to_verify` is never used
[INFO] [stderr]    --> src/main.rs:219:4
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn remove_task_to_verify(task: &str) -> std::io::Result<()> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_info_file` is never used
[INFO] [stderr]    --> src/main.rs:245:4
[INFO] [stderr]     |
[INFO] [stderr] 245 | fn create_info_file() -> std::io::Result<()> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_info_file` is never used
[INFO] [stderr]    --> src/main.rs:253:4
[INFO] [stderr]     |
[INFO] [stderr] 253 | fn test_info_file() -> std::io::Result<()> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `monitorflowmodule` (bin "monitorflowmodule" test) generated 12 warnings (run `cargo fix --bin "monitorflowmodule" -p monitorflowmodule --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: xcap v0.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/monitorflowmodule-c7f139cc889c7a5e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c42237a7d2d82b51e2234dcf0d1d3dd793fa4d3e65705e9b9a1b3d296428a1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c42237a7d2d82b51e2234dcf0d1d3dd793fa4d3e65705e9b9a1b3d296428a1d6", kill_on_drop: false }`
[INFO] [stdout] c42237a7d2d82b51e2234dcf0d1d3dd793fa4d3e65705e9b9a1b3d296428a1d6
