[INFO] cloning repository https://github.com/ahmedaminkhaled/mini-redis-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahmedaminkhaled/mini-redis-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmedaminkhaled%2Fmini-redis-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmedaminkhaled%2Fmini-redis-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25802b7517889f4142f84b7fa0fcb5f286fc25d8
[INFO] building ahmedaminkhaled/mini-redis-rust against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahmedaminkhaled%2Fmini-redis-rust" "/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/ahmedaminkhaled/mini-redis-rust
[INFO] finished tweaking git repo https://github.com/ahmedaminkhaled/mini-redis-rust
[INFO] tweaked toml for git repo https://github.com/ahmedaminkhaled/mini-redis-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ahmedaminkhaled/mini-redis-rust on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ahmedaminkhaled/mini-redis-rust 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atoi v0.3.3
[INFO] [stderr]   Downloaded mini-redis v0.4.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] [stderr]   Downloaded hash v0.3.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e48f8bea29d770ba96616b91d52aabf12efec265c7d378174da6abb55e81ea1
[INFO] running `Command { std: "docker" "start" "-a" "1e48f8bea29d770ba96616b91d52aabf12efec265c7d378174da6abb55e81ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e48f8bea29d770ba96616b91d52aabf12efec265c7d378174da6abb55e81ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e48f8bea29d770ba96616b91d52aabf12efec265c7d378174da6abb55e81ea1", kill_on_drop: false }`
[INFO] [stdout] 1e48f8bea29d770ba96616b91d52aabf12efec265c7d378174da6abb55e81ea1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 392b2e7b7d377c8d5f3f2b57a16756abe06824f8970f72857bf8425394dc91c0
[INFO] running `Command { std: "docker" "start" "-a" "392b2e7b7d377c8d5f3f2b57a16756abe06824f8970f72857bf8425394dc91c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling hash v0.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling atoi v0.3.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling mini-redis v0.4.1
[INFO] [stderr]    Compiling mini_redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `frame`
[INFO] [stdout]  --> src/main.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mini_redis::{frame, Connection, Frame};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bytes`
[INFO] [stdout]  --> src/connection.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bytes::{Bytes, BytesMut,Buf};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/connection.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::net::{TcpListener,TcpStream};
[INFO] [stdout]   |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Connection` is never constructed
[INFO] [stdout]   --> src/connection.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Connection{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read_frame`, `parse_frame`, `write_frame`, and `write_decimal` are never used
[INFO] [stdout]   --> src/connection.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Connection{
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 15 |     pub  fn new(stream:TcpStream)->Self{
[INFO] [stdout]    |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub async fn read_frame(&mut self)->Result<Option<Frame>>{
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn parse_frame(&mut self)->Result<Option<Frame>>{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub async fn write_frame(&mut self,frame:&Frame)->io::Result<()>{
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     async fn write_decimal(&mut self, val: u64) -> io::Result<()> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.43s
[INFO] running `Command { std: "docker" "inspect" "392b2e7b7d377c8d5f3f2b57a16756abe06824f8970f72857bf8425394dc91c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392b2e7b7d377c8d5f3f2b57a16756abe06824f8970f72857bf8425394dc91c0", kill_on_drop: false }`
[INFO] [stdout] 392b2e7b7d377c8d5f3f2b57a16756abe06824f8970f72857bf8425394dc91c0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0174f15a3a977593f99da52eba0e8eaad1bd7301967f2edf0de2cb963b45d148
[INFO] running `Command { std: "docker" "start" "-a" "0174f15a3a977593f99da52eba0e8eaad1bd7301967f2edf0de2cb963b45d148", kill_on_drop: false }`
[INFO] [stderr]    Compiling mini_redis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> examples/client-redis.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | /     loop {
[INFO] [stdout]  9 | |         // set{value:key}
[INFO] [stdout] 10 | |
[INFO] [stdout] 11 | |         let mut input=String::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 26 |       //to make sure the return type is satisfied
[INFO] [stdout] 27 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `frame`
[INFO] [stdout]  --> src/main.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use mini_redis::{frame, Connection, Frame};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bytes`
[INFO] [stdout]  --> src/connection.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bytes::{Bytes, BytesMut,Buf};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/connection.rs:3:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio::net::{TcpListener,TcpStream};
[INFO] [stdout]   |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "0174f15a3a977593f99da52eba0e8eaad1bd7301967f2edf0de2cb963b45d148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0174f15a3a977593f99da52eba0e8eaad1bd7301967f2edf0de2cb963b45d148", kill_on_drop: false }`
[INFO] [stdout] 0174f15a3a977593f99da52eba0e8eaad1bd7301967f2edf0de2cb963b45d148