[INFO] cloning repository https://github.com/professionalowo/ferrite_mc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/professionalowo/ferrite_mc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprofessionalowo%2Fferrite_mc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprofessionalowo%2Fferrite_mc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9387d2789669fff2a2d22ae3100ee035b37d4bce
[INFO] checking professionalowo/ferrite_mc against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprofessionalowo%2Fferrite_mc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/professionalowo/ferrite_mc
[INFO] finished tweaking git repo https://github.com/professionalowo/ferrite_mc
[INFO] tweaked toml for git repo https://github.com/professionalowo/ferrite_mc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/professionalowo/ferrite_mc on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/professionalowo/ferrite_mc 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 115a94df3794f775f00a3704c5ace16a83d88b89608070ba189b47ff1e48d84a
[INFO] running `Command { std: "docker" "start" "-a" "115a94df3794f775f00a3704c5ace16a83d88b89608070ba189b47ff1e48d84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "115a94df3794f775f00a3704c5ace16a83d88b89608070ba189b47ff1e48d84a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "115a94df3794f775f00a3704c5ace16a83d88b89608070ba189b47ff1e48d84a", kill_on_drop: false }`
[INFO] [stdout] 115a94df3794f775f00a3704c5ace16a83d88b89608070ba189b47ff1e48d84a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6157aa4ad030360ff727703f6534e5530403e86f21d86682f0d84bc587af300
[INFO] running `Command { std: "docker" "start" "-a" "b6157aa4ad030360ff727703f6534e5530403e86f21d86682f0d84bc587af300", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking ferrite_mc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `from_serializiable_iter` is never used
[INFO] [stdout]   --> src/server/connection/protocol/package.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Package {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn from_serializiable_iter<S, I>(id: i32, data: I) -> std::io::Result<Self>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `length` is never used
[INFO] [stdout]   --> src/server/connection/protocol/types/mod.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl VarLong {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 36 |     pub fn length(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_serializiable_iter` is never used
[INFO] [stdout]   --> src/server/connection/protocol/package.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Package {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn from_serializiable_iter<S, I>(id: i32, data: I) -> std::io::Result<Self>
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `length` is never used
[INFO] [stdout]   --> src/server/connection/protocol/types/mod.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl VarLong {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 36 |     pub fn length(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.20s
[INFO] running `Command { std: "docker" "inspect" "b6157aa4ad030360ff727703f6534e5530403e86f21d86682f0d84bc587af300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6157aa4ad030360ff727703f6534e5530403e86f21d86682f0d84bc587af300", kill_on_drop: false }`
[INFO] [stdout] b6157aa4ad030360ff727703f6534e5530403e86f21d86682f0d84bc587af300