[INFO] cloning repository https://github.com/EternalTrainee/p2p-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EternalTrainee/p2p-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEternalTrainee%2Fp2p-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEternalTrainee%2Fp2p-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5041a40b74d4f1c8c32615c5f2e53d99353689d
[INFO] checking EternalTrainee/p2p-chat against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEternalTrainee%2Fp2p-chat" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
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[INFO] started tweaking git repo https://github.com/EternalTrainee/p2p-chat
[INFO] finished tweaking git repo https://github.com/EternalTrainee/p2p-chat
[INFO] tweaked toml for git repo https://github.com/EternalTrainee/p2p-chat written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EternalTrainee/p2p-chat on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EternalTrainee/p2p-chat 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" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a3ea01b02e490b3bb499e8d1bcb4a4f376ff12e580b68adb16e7314ca483d5c9
[INFO] running `Command { std: "docker" "start" "a3ea01b02e490b3bb499e8d1bcb4a4f376ff12e580b68adb16e7314ca483d5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3ea01b02e490b3bb499e8d1bcb4a4f376ff12e580b68adb16e7314ca483d5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a3ea01b02e490b3bb499e8d1bcb4a4f376ff12e580b68adb16e7314ca483d5c9" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3ea01b02e490b3bb499e8d1bcb4a4f376ff12e580b68adb16e7314ca483d5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a3ea01b02e490b3bb499e8d1bcb4a4f376ff12e580b68adb16e7314ca483d5c9" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stdout] warning: variable `connected` is assigned to, but never used
[INFO] [stdout]    --> client/src/main.rs:253:13
[INFO] [stdout]     |
[INFO] [stdout] 253 |         let mut connected = false;
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_connected` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `connected` is never read
[INFO] [stdout]    --> client/src/main.rs:269:29
[INFO] [stdout]     |
[INFO] [stdout] 269 | ...                   connected = true;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 273 | ...                   connected = false;
[INFO] [stdout]     |                       ----------------- `connected` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `connected` is never read
[INFO] [stdout]    --> client/src/main.rs:273:29
[INFO] [stdout]     |
[INFO] [stdout] 273 | ...                   connected = false;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `connected` is assigned to, but never used
[INFO] [stdout]    --> client/src/main.rs:253:13
[INFO] [stdout]     |
[INFO] [stdout] 253 |         let mut connected = false;
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_connected` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `connected` is never read
[INFO] [stdout]    --> client/src/main.rs:269:29
[INFO] [stdout]     |
[INFO] [stdout] 269 | ...                   connected = true;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 273 | ...                   connected = false;
[INFO] [stdout]     |                       ----------------- `connected` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `connected` is never read
[INFO] [stdout]    --> client/src/main.rs:273:29
[INFO] [stdout]     |
[INFO] [stdout] 273 | ...                   connected = false;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `bs58`
[INFO] [stderr]   --> client/Cargo.toml:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | bs58 = "0.5"
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `bs58`
[INFO] [stderr] warning: unused dependency `qrcode`
[INFO] [stderr]   --> client/Cargo.toml:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | qrcode = "0.14"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `qrcode`
[INFO] [stderr] warning: `client` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.67s
[INFO] running `Command { std: "docker" "inspect" "a3ea01b02e490b3bb499e8d1bcb4a4f376ff12e580b68adb16e7314ca483d5c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ea01b02e490b3bb499e8d1bcb4a4f376ff12e580b68adb16e7314ca483d5c9", kill_on_drop: false }`
[INFO] [stdout] a3ea01b02e490b3bb499e8d1bcb4a4f376ff12e580b68adb16e7314ca483d5c9