[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] checking KidContainer/Babysitter-rs against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKidContainer%2FBabysitter-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KidContainer/Babysitter-rs on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fed37d16f4cba60e1e1fcacd1e73f65574f4649a03f86f7278015da946c2f6da
[INFO] running `Command { std: "docker" "start" "-a" "fed37d16f4cba60e1e1fcacd1e73f65574f4649a03f86f7278015da946c2f6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fed37d16f4cba60e1e1fcacd1e73f65574f4649a03f86f7278015da946c2f6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed37d16f4cba60e1e1fcacd1e73f65574f4649a03f86f7278015da946c2f6da", kill_on_drop: false }`
[INFO] [stdout] fed37d16f4cba60e1e1fcacd1e73f65574f4649a03f86f7278015da946c2f6da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eeb22181cf04666eeb664b2c54ca1cf308b935b24b605f6d8397d068424316c
[INFO] running `Command { std: "docker" "start" "-a" "6eeb22181cf04666eeb664b2c54ca1cf308b935b24b605f6d8397d068424316c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[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]     Checking instant v0.1.9
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]     Checking babysitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `LevelFilter`, `logger`, and `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`, and `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 imports: `LevelFilter`, `logger`, and `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`, and `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: `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]    = note: `#[warn(unused_variables)]` on by default
[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]    = note: `#[warn(unused_variables)]` on by default
[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: 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: 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] 
[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] 
[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: `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: enum `Type` is never used
[INFO] [stdout]  --> src/cellar.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Type {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]   --> src/cellar.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Memory {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cellar` is never constructed
[INFO] [stdout]   --> src/cellar.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Cellar {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get_inst`, `has`, `add`, `remove`, and `get` are never used
[INFO] [stdout]   --> src/cellar.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Cellar {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 30 |     pub fn get_inst() -> Arc<Mutex<HashMap<String, Memory>>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub async fn has(&self, key: &String) -> bool {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub async fn add(&self, key: String,mem:Memory)->Result<bool,&'static str> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub async fn remove(&self, key:&String)->Result<bool,&'static str>{
[INFO] [stdout]    |                  ^^^^^^
[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 `pop_one` is never used
[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: enum `Type` is never used
[INFO] [stdout]  --> src/cellar.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Type {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Memory` is never constructed
[INFO] [stdout]   --> src/cellar.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Memory {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cellar` is never constructed
[INFO] [stdout]   --> src/cellar.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Cellar {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get_inst`, `has`, `add`, `remove`, and `get` are never used
[INFO] [stdout]   --> src/cellar.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Cellar {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 30 |     pub fn get_inst() -> Arc<Mutex<HashMap<String, Memory>>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub async fn has(&self, key: &String) -> bool {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub async fn add(&self, key: String,mem:Memory)->Result<bool,&'static str> {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub async fn remove(&self, key:&String)->Result<bool,&'static str>{
[INFO] [stdout]    |                  ^^^^^^
[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 `pop_one` is never used
[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: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.46s
[INFO] running `Command { std: "docker" "inspect" "6eeb22181cf04666eeb664b2c54ca1cf308b935b24b605f6d8397d068424316c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eeb22181cf04666eeb664b2c54ca1cf308b935b24b605f6d8397d068424316c", kill_on_drop: false }`
[INFO] [stdout] 6eeb22181cf04666eeb664b2c54ca1cf308b935b24b605f6d8397d068424316c