[INFO] cloning repository https://github.com/KidContainer/Babysitter-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KidContainer/Babysitter-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKidContainer%2FBabysitter-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKidContainer%2FBabysitter-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 557dfcb267b23171c743d21b1f3d441cf0b86a12
[INFO] testing KidContainer/Babysitter-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKidContainer%2FBabysitter-rs" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KidContainer/Babysitter-rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KidContainer/Babysitter-rs
[INFO] finished tweaking git repo https://github.com/KidContainer/Babysitter-rs
[INFO] tweaked toml for git repo https://github.com/KidContainer/Babysitter-rs written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/KidContainer/Babysitter-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 577a8770c74c43a670f44e423f984c81077f9434d3e31f476bc3ed641e91584c
[INFO] running `Command { std: "docker" "start" "-a" "577a8770c74c43a670f44e423f984c81077f9434d3e31f476bc3ed641e91584c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "577a8770c74c43a670f44e423f984c81077f9434d3e31f476bc3ed641e91584c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577a8770c74c43a670f44e423f984c81077f9434d3e31f476bc3ed641e91584c", kill_on_drop: false }`
[INFO] [stdout] 577a8770c74c43a670f44e423f984c81077f9434d3e31f476bc3ed641e91584c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb5f9a97bcdb939c1332fe35a85eb3c164dc2d2173cd699f64ec87b7d7eb17a8
[INFO] running `Command { std: "docker" "start" "-a" "cb5f9a97bcdb939c1332fe35a85eb3c164dc2d2173cd699f64ec87b7d7eb17a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling smallvec v1.5.1
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.1
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling mio v0.7.6
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling babysitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `LevelFilter`, `logger`, `trace`
[INFO] [stdout]  --> src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ::log::{error, info, logger, trace, warn, LevelFilter};
[INFO] [stdout]   |                          ^^^^^^  ^^^^^        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LevelFilter`, `debug`, `info`, `logger`, `trace`, `warn`
[INFO] [stdout]  --> src/socket_reader.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ::log::{debug, error, info, logger, trace, warn, LevelFilter};
[INFO] [stdout]   |             ^^^^^         ^^^^  ^^^^^^  ^^^^^  ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> src/main.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let (socket, addr) = listener.accept().await?;
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/cellar.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub async fn get(&self, key:&String)->Result<&Memory,&'static str>{
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/socket_reader.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let n = match socket.read(&mut buf).await{
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]  --> src/cellar.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Number(i64),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Varchar`
[INFO] [stdout]  --> src/cellar.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Varchar(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]   --> src/cellar.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub data: Vec<Type>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `service`
[INFO] [stdout]   --> src/cellar.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub service: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `function`
[INFO] [stdout]   --> src/cellar.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub function: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unique_id`
[INFO] [stdout]   --> src/cellar.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub unique_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hash_key`
[INFO] [stdout]   --> src/cellar.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub hash_key: String
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `requests`
[INFO] [stdout]   --> src/cellar.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub requests: Arc<Mutex<HashMap<String, Memory>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_inst`
[INFO] [stdout]   --> src/cellar.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn get_inst() -> Arc<Mutex<HashMap<String, Memory>>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has`
[INFO] [stdout]   --> src/cellar.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub async fn has(&self, key: &String) -> bool {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/cellar.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub async fn add(&self, key: String,mem:Memory)->Result<bool,&'static str> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/cellar.rs:46:18
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub async fn remove(&self, key:&String)->Result<bool,&'static str>{
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/cellar.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub async fn get(&self, key:&String)->Result<&Memory,&'static str>{
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pop_one`
[INFO] [stdout]  --> src/socket_reader.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub async fn pop_one(socket:&mut TcpStream)->Option<String>{
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.67s
[INFO] running `Command { std: "docker" "inspect" "cb5f9a97bcdb939c1332fe35a85eb3c164dc2d2173cd699f64ec87b7d7eb17a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5f9a97bcdb939c1332fe35a85eb3c164dc2d2173cd699f64ec87b7d7eb17a8", kill_on_drop: false }`
[INFO] [stdout] cb5f9a97bcdb939c1332fe35a85eb3c164dc2d2173cd699f64ec87b7d7eb17a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c4f6b96d8b96a34c52c8c8acd18377ad93c8a5e26bc04d8064818bcf1abae77
[INFO] running `Command { std: "docker" "start" "-a" "3c4f6b96d8b96a34c52c8c8acd18377ad93c8a5e26bc04d8064818bcf1abae77", kill_on_drop: false }`
[INFO] [stderr]    Compiling babysitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `LevelFilter`, `logger`, `trace`
[INFO] [stdout]  --> src/main.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ::log::{error, info, logger, trace, warn, LevelFilter};
[INFO] [stdout]   |                          ^^^^^^  ^^^^^        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LevelFilter`, `debug`, `info`, `logger`, `trace`, `warn`
[INFO] [stdout]  --> src/socket_reader.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ::log::{debug, error, info, logger, trace, warn, LevelFilter};
[INFO] [stdout]   |             ^^^^^         ^^^^  ^^^^^^  ^^^^^  ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Err(e) => {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `socket`
[INFO] [stdout]   --> src/main.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let (socket, addr) = listener.accept().await?;
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/cellar.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub async fn get(&self, key:&String)->Result<&Memory,&'static str>{
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> src/socket_reader.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let n = match socket.read(&mut buf).await{
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]  --> src/cellar.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Number(i64),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Varchar`
[INFO] [stdout]  --> src/cellar.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Varchar(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]   --> src/cellar.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub data: Vec<Type>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `service`
[INFO] [stdout]   --> src/cellar.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub service: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `function`
[INFO] [stdout]   --> src/cellar.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub function: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `unique_id`
[INFO] [stdout]   --> src/cellar.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub unique_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hash_key`
[INFO] [stdout]   --> src/cellar.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub hash_key: String
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `requests`
[INFO] [stdout]   --> src/cellar.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub requests: Arc<Mutex<HashMap<String, Memory>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_inst`
[INFO] [stdout]   --> src/cellar.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn get_inst() -> Arc<Mutex<HashMap<String, Memory>>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has`
[INFO] [stdout]   --> src/cellar.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub async fn has(&self, key: &String) -> bool {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/cellar.rs:38:18
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub async fn add(&self, key: String,mem:Memory)->Result<bool,&'static str> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/cellar.rs:46:18
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub async fn remove(&self, key:&String)->Result<bool,&'static str>{
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/cellar.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub async fn get(&self, key:&String)->Result<&Memory,&'static str>{
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pop_one`
[INFO] [stdout]  --> src/socket_reader.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub async fn pop_one(socket:&mut TcpStream)->Option<String>{
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/babysitter-28916231bf3721e2)
[INFO] running `Command { std: "docker" "inspect" "3c4f6b96d8b96a34c52c8c8acd18377ad93c8a5e26bc04d8064818bcf1abae77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4f6b96d8b96a34c52c8c8acd18377ad93c8a5e26bc04d8064818bcf1abae77", kill_on_drop: false }`
[INFO] [stdout] 3c4f6b96d8b96a34c52c8c8acd18377ad93c8a5e26bc04d8064818bcf1abae77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc6c01b96ba0d409dce9a7fb4c22f8c730575fc46f2502a2aa43ba0412a3d91d
[INFO] running `Command { std: "docker" "start" "-a" "dc6c01b96ba0d409dce9a7fb4c22f8c730575fc46f2502a2aa43ba0412a3d91d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `LevelFilter`, `logger`, `trace`
[INFO] [stderr]  --> src/main.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ::log::{error, info, logger, trace, warn, LevelFilter};
[INFO] [stderr]   |                          ^^^^^^  ^^^^^        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `LevelFilter`, `debug`, `info`, `logger`, `trace`, `warn`
[INFO] [stderr]  --> src/socket_reader.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use ::log::{debug, error, info, logger, trace, warn, LevelFilter};
[INFO] [stderr]   |             ^^^^^         ^^^^  ^^^^^^  ^^^^^  ^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Err(e) => {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `socket`
[INFO] [stderr]   --> src/main.rs:41:14
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let (socket, addr) = listener.accept().await?;
[INFO] [stderr]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]   --> src/cellar.rs:54:29
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub async fn get(&self, key:&String)->Result<&Memory,&'static str>{
[INFO] [stderr]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/socket_reader.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let n = match socket.read(&mut buf).await{
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]  --> src/cellar.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Number(i64),
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Varchar`
[INFO] [stderr]  --> src/cellar.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Varchar(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]   --> src/cellar.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub data: Vec<Type>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `service`
[INFO] [stderr]   --> src/cellar.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub service: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `function`
[INFO] [stderr]   --> src/cellar.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub function: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `unique_id`
[INFO] [stderr]   --> src/cellar.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub unique_id: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `hash_key`
[INFO] [stderr]   --> src/cellar.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub hash_key: String
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `requests`
[INFO] [stderr]   --> src/cellar.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub requests: Arc<Mutex<HashMap<String, Memory>>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_inst`
[INFO] [stderr]   --> src/cellar.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn get_inst() -> Arc<Mutex<HashMap<String, Memory>>> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `has`
[INFO] [stderr]   --> src/cellar.rs:34:18
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub async fn has(&self, key: &String) -> bool {
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stderr]   --> src/cellar.rs:38:18
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub async fn add(&self, key: String,mem:Memory)->Result<bool,&'static str> {
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove`
[INFO] [stderr]   --> src/cellar.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub async fn remove(&self, key:&String)->Result<bool,&'static str>{
[INFO] [stderr]    |                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/cellar.rs:54:18
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub async fn get(&self, key:&String)->Result<&Memory,&'static str>{
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pop_one`
[INFO] [stderr]  --> src/socket_reader.rs:6:14
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub async fn pop_one(socket:&mut TcpStream)->Option<String>{
[INFO] [stderr]   |              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `babysitter` (bin "babysitter" test) generated 20 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/babysitter-28916231bf3721e2)
[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" "dc6c01b96ba0d409dce9a7fb4c22f8c730575fc46f2502a2aa43ba0412a3d91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6c01b96ba0d409dce9a7fb4c22f8c730575fc46f2502a2aa43ba0412a3d91d", kill_on_drop: false }`
[INFO] [stdout] dc6c01b96ba0d409dce9a7fb4c22f8c730575fc46f2502a2aa43ba0412a3d91d