[INFO] cloning repository https://github.com/DeTuksa/distributed_kv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DeTuksa/distributed_kv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeTuksa%2Fdistributed_kv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeTuksa%2Fdistributed_kv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db474565377ca8eec6dd963c45af46e0cdcf1f73
[INFO] checking DeTuksa/distributed_kv against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeTuksa%2Fdistributed_kv" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DeTuksa/distributed_kv
[INFO] finished tweaking git repo https://github.com/DeTuksa/distributed_kv
[INFO] tweaked toml for git repo https://github.com/DeTuksa/distributed_kv written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DeTuksa/distributed_kv on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DeTuksa/distributed_kv 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" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.207
[INFO] [stderr]   Downloaded serde v1.0.207
[INFO] [stderr]   Downloaded serde_json v1.0.124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dcc9ce6c9db79a975f7175069e1e32828ebb5b1ec41bc49a271c31bec20f088
[INFO] running `Command { std: "docker" "start" "-a" "1dcc9ce6c9db79a975f7175069e1e32828ebb5b1ec41bc49a271c31bec20f088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dcc9ce6c9db79a975f7175069e1e32828ebb5b1ec41bc49a271c31bec20f088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dcc9ce6c9db79a975f7175069e1e32828ebb5b1ec41bc49a271c31bec20f088", kill_on_drop: false }`
[INFO] [stdout] 1dcc9ce6c9db79a975f7175069e1e32828ebb5b1ec41bc49a271c31bec20f088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9342f6e232ac03c4301887778ef61ad3c62956325de69ea15c5587ec27e67a2b
[INFO] running `Command { std: "docker" "start" "-a" "9342f6e232ac03c4301887778ef61ad3c62956325de69ea15c5587ec27e67a2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.207
[INFO] [stderr]    Compiling serde_json v1.0.124
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.207
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]     Checking distributed_kv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `start` is never used
[INFO] [stdout]  --> src/server/mod.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn start(address: &str) -> Result<(), Box<dyn Error>> {
[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 `handle_connection` is never used
[INFO] [stdout]  --> src/server/handler.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub async fn handle_connection(
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_request` is never used
[INFO] [stdout]   --> src/server/handler.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | async fn handle_request(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start` is never used
[INFO] [stdout]  --> src/server/mod.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub async fn start(address: &str) -> Result<(), Box<dyn Error>> {
[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 `handle_connection` is never used
[INFO] [stdout]  --> src/server/handler.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub async fn handle_connection(
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_request` is never used
[INFO] [stdout]   --> src/server/handler.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | async fn handle_request(
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.45s
[INFO] running `Command { std: "docker" "inspect" "9342f6e232ac03c4301887778ef61ad3c62956325de69ea15c5587ec27e67a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9342f6e232ac03c4301887778ef61ad3c62956325de69ea15c5587ec27e67a2b", kill_on_drop: false }`
[INFO] [stdout] 9342f6e232ac03c4301887778ef61ad3c62956325de69ea15c5587ec27e67a2b