[INFO] cloning repository https://github.com/MrAdhit/minecraft-slp-query
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MrAdhit/minecraft-slp-query" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrAdhit%2Fminecraft-slp-query", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrAdhit%2Fminecraft-slp-query'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8e8ac00d2b3dde4e7113f0222bf392689312f16
[INFO] checking MrAdhit/minecraft-slp-query against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMrAdhit%2Fminecraft-slp-query" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MrAdhit/minecraft-slp-query on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MrAdhit/minecraft-slp-query
[INFO] finished tweaking git repo https://github.com/MrAdhit/minecraft-slp-query
[INFO] tweaked toml for git repo https://github.com/MrAdhit/minecraft-slp-query written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MrAdhit/minecraft-slp-query 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded match_cfg v0.1.0
[INFO] [stderr]   Downloaded ipnet v2.8.0
[INFO] [stderr]   Downloaded cc v1.0.83
[INFO] [stderr]   Downloaded varint-rs v2.2.0
[INFO] [stderr]   Downloaded hostname v0.3.1
[INFO] [stderr]   Downloaded data-encoding v2.4.0
[INFO] [stderr]   Downloaded resolv-conf v0.7.0
[INFO] [stderr]   Downloaded ipconfig v0.3.2
[INFO] [stderr]   Downloaded async-trait v0.1.73
[INFO] [stderr]   Downloaded lru-cache v0.1.2
[INFO] [stderr]   Downloaded trust-dns-resolver v0.23.0
[INFO] [stderr]   Downloaded enum-as-inner v0.6.0
[INFO] [stderr]   Downloaded gimli v0.28.0
[INFO] [stderr]   Downloaded object v0.32.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.23.0
[INFO] [stderr]   Downloaded tokio v1.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f26e0948e79b1a1a863917de2518a4a6de9648dbc0d459c512ffce305c9d57e
[INFO] running `Command { std: "docker" "start" "-a" "6f26e0948e79b1a1a863917de2518a4a6de9648dbc0d459c512ffce305c9d57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f26e0948e79b1a1a863917de2518a4a6de9648dbc0d459c512ffce305c9d57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f26e0948e79b1a1a863917de2518a4a6de9648dbc0d459c512ffce305c9d57e", kill_on_drop: false }`
[INFO] [stdout] 6f26e0948e79b1a1a863917de2518a4a6de9648dbc0d459c512ffce305c9d57e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11c160a9e4f1e5e3e5348b24639591a73169ba5fa03ec3b7752943da17367095
[INFO] running `Command { std: "docker" "start" "-a" "11c160a9e4f1e5e3e5348b24639591a73169ba5fa03ec3b7752943da17367095", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling enum-as-inner v0.6.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking varint-rs v2.2.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking trust-dns-proto v0.23.0
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking trust-dns-resolver v0.23.0
[INFO] [stderr]     Checking simple-minecraft-slp-fetcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SocketAddrV4`, `SocketAddr`, `str::FromStr`
[INFO] [stdout]  --> src/main.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{net::{TcpStream, SocketAddrV4, SocketAddr}, io::{Write, Read}, str::FromStr, time::Duration};
[INFO] [stdout]   |                            ^^^^^^^^^^^^  ^^^^^^^^^^                      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SocketAddrV4`, `SocketAddr`, `str::FromStr`
[INFO] [stdout]  --> src/main.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{net::{TcpStream, SocketAddrV4, SocketAddr}, io::{Write, Read}, str::FromStr, time::Duration};
[INFO] [stdout]   |                            ^^^^^^^^^^^^  ^^^^^^^^^^                      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_varint_length` is never used
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | trait LengthPrefix: Write {
[INFO] [stdout]    |       ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 88 |     fn write_varint_length(&mut self, value: u32) -> anyhow::Result<()>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `response` is never read
[INFO] [stdout]    --> src/main.rs:236:5
[INFO] [stdout]     |
[INFO] [stdout] 235 | struct StatusResponsePacket {
[INFO] [stdout]     |        -------------------- field in this struct
[INFO] [stdout] 236 |     response: String
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StatusResponsePacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_varint_length` is never used
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 85 | trait LengthPrefix: Write {
[INFO] [stdout]    |       ------------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 88 |     fn write_varint_length(&mut self, value: u32) -> anyhow::Result<()>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `response` is never read
[INFO] [stdout]    --> src/main.rs:236:5
[INFO] [stdout]     |
[INFO] [stdout] 235 | struct StatusResponsePacket {
[INFO] [stdout]     |        -------------------- field in this struct
[INFO] [stdout] 236 |     response: String
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StatusResponsePacket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "11c160a9e4f1e5e3e5348b24639591a73169ba5fa03ec3b7752943da17367095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11c160a9e4f1e5e3e5348b24639591a73169ba5fa03ec3b7752943da17367095", kill_on_drop: false }`
[INFO] [stdout] 11c160a9e4f1e5e3e5348b24639591a73169ba5fa03ec3b7752943da17367095