[INFO] cloning repository https://github.com/EelenZ/send_file
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EelenZ/send_file" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEelenZ%2Fsend_file", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEelenZ%2Fsend_file'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c93770bca01a9b739794032cf250d52b1df1ec12
[INFO] testing EelenZ/send_file against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEelenZ%2Fsend_file" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EelenZ/send_file on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EelenZ/send_file
[INFO] finished tweaking git repo https://github.com/EelenZ/send_file
[INFO] tweaked toml for git repo https://github.com/EelenZ/send_file written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/EelenZ/send_file already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 315b16fe0c84881e56ee306487be3b7cecbfe4cad29936ea81563616d6d67630
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "315b16fe0c84881e56ee306487be3b7cecbfe4cad29936ea81563616d6d67630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "315b16fe0c84881e56ee306487be3b7cecbfe4cad29936ea81563616d6d67630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315b16fe0c84881e56ee306487be3b7cecbfe4cad29936ea81563616d6d67630", kill_on_drop: false }`
[INFO] [stdout] 315b16fe0c84881e56ee306487be3b7cecbfe4cad29936ea81563616d6d67630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d43b720d5cce1a2e535c604df3817bc104e227eadce4a21c66a5faee8e2bc44f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d43b720d5cce1a2e535c604df3817bc104e227eadce4a21c66a5faee8e2bc44f", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling fastrand v1.3.5
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling async-task v4.0.2
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling nb-connect v1.0.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling futures-lite v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling async-channel v1.4.2
[INFO] [stderr]    Compiling polling v1.1.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-executor v1.3.0
[INFO] [stderr]    Compiling async-io v1.1.3
[INFO] [stderr]    Compiling blocking v1.0.0
[INFO] [stderr]    Compiling async-global-executor v1.2.1
[INFO] [stderr]    Compiling async-std v1.6.4
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling send_file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/main.rs:1:58
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, ffi::OsStr, path::{Path, PathBuf}, sync::Arc, sync::Mutex};
[INFO] [stdout]   |                                                          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/main.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use async_std::net::{TcpStream, TcpListener};
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut file_chunk_map = self.file_chunk_map.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut chunk_sender = self.chunk_sender.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 n => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let server = TcpListener::bind(LOCAL).await?;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut file_chunk_map: HashMap<String, Vec<Uuid>> = HashMap::new();
[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:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let (mut chunk_sender, chunk_reciver) = mpsc::unbounded::<Chunk>();
[INFO] [stdout]    |              ----^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     master.run(path).await;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.91s
[INFO] running `Command { std: "docker" "inspect" "d43b720d5cce1a2e535c604df3817bc104e227eadce4a21c66a5faee8e2bc44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d43b720d5cce1a2e535c604df3817bc104e227eadce4a21c66a5faee8e2bc44f", kill_on_drop: false }`
[INFO] [stdout] d43b720d5cce1a2e535c604df3817bc104e227eadce4a21c66a5faee8e2bc44f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1cfedeaaa1ca72c707b23721fcbf4c080ea7a637fe987c23fb3b3f27b65b16c4
[INFO] running `Command { std: "docker" "start" "-a" "1cfedeaaa1ca72c707b23721fcbf4c080ea7a637fe987c23fb3b3f27b65b16c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling send_file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/main.rs:1:58
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, ffi::OsStr, path::{Path, PathBuf}, sync::Arc, sync::Mutex};
[INFO] [stdout]   |                                                          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/main.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use async_std::net::{TcpStream, TcpListener};
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let mut file_chunk_map = self.file_chunk_map.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut chunk_sender = self.chunk_sender.clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 n => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server`
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let server = TcpListener::bind(LOCAL).await?;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut file_chunk_map: HashMap<String, Vec<Uuid>> = HashMap::new();
[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:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let (mut chunk_sender, chunk_reciver) = mpsc::unbounded::<Chunk>();
[INFO] [stdout]    |              ----^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     master.run(path).await;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "1cfedeaaa1ca72c707b23721fcbf4c080ea7a637fe987c23fb3b3f27b65b16c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cfedeaaa1ca72c707b23721fcbf4c080ea7a637fe987c23fb3b3f27b65b16c4", kill_on_drop: false }`
[INFO] [stdout] 1cfedeaaa1ca72c707b23721fcbf4c080ea7a637fe987c23fb3b3f27b65b16c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dcea8d820b72daaf8c48de400360bb27525278ae3e0634aa43cddfab549d7abf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dcea8d820b72daaf8c48de400360bb27525278ae3e0634aa43cddfab549d7abf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]  --> src/main.rs:1:58
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashMap, ffi::OsStr, path::{Path, PathBuf}, sync::Arc, sync::Mutex};
[INFO] [stderr]   |                                                          ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/main.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use async_std::net::{TcpStream, TcpListener};
[INFO] [stderr]   |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let mut file_chunk_map = self.file_chunk_map.clone();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let mut chunk_sender = self.chunk_sender.clone();
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 n => {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server`
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let server = TcpListener::bind(LOCAL).await?;
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_server`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut file_chunk_map: HashMap<String, Vec<Uuid>> = HashMap::new();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:30:14
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let (mut chunk_sender, chunk_reciver) = mpsc::unbounded::<Chunk>();
[INFO] [stderr]    |              ----^^^^^^^^^^^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     master.run(path).await;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.28s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/send_file-264735feef894027
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dcea8d820b72daaf8c48de400360bb27525278ae3e0634aa43cddfab549d7abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcea8d820b72daaf8c48de400360bb27525278ae3e0634aa43cddfab549d7abf", kill_on_drop: false }`
[INFO] [stdout] dcea8d820b72daaf8c48de400360bb27525278ae3e0634aa43cddfab549d7abf
