[INFO] cloning repository https://github.com/NKID00/dummy_minecraft_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NKID00/dummy_minecraft_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNKID00%2Fdummy_minecraft_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNKID00%2Fdummy_minecraft_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63a8404c390c58a254217c7204b207592b6490ba
[INFO] checking NKID00/dummy_minecraft_server against master#42f4793e5a514858221b07ac379029d90353913e for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNKID00%2Fdummy_minecraft_server" "/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/NKID00/dummy_minecraft_server
[INFO] finished tweaking git repo https://github.com/NKID00/dummy_minecraft_server
[INFO] tweaked toml for git repo https://github.com/NKID00/dummy_minecraft_server written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NKID00/dummy_minecraft_server on toolchain 42f4793e5a514858221b07ac379029d90353913e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NKID00/dummy_minecraft_server 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" "+42f4793e5a514858221b07ac379029d90353913e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array-init v2.1.0
[INFO] [stderr]   Downloaded binrw_derive v0.13.3
[INFO] [stderr]   Downloaded binrw v0.13.3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9133dc4086c45cfd1670c0b0fa65eb965d8128ae34aad5ef365ffbf002a4a035
[INFO] running `Command { std: "docker" "start" "-a" "9133dc4086c45cfd1670c0b0fa65eb965d8128ae34aad5ef365ffbf002a4a035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9133dc4086c45cfd1670c0b0fa65eb965d8128ae34aad5ef365ffbf002a4a035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9133dc4086c45cfd1670c0b0fa65eb965d8128ae34aad5ef365ffbf002a4a035", kill_on_drop: false }`
[INFO] [stdout] 9133dc4086c45cfd1670c0b0fa65eb965d8128ae34aad5ef365ffbf002a4a035
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+42f4793e5a514858221b07ac379029d90353913e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c76e29b88e515ee554f7aeff8692fabc944fb42019d41eb1e3d45514a02cda5
[INFO] running `Command { std: "docker" "start" "-a" "7c76e29b88e515ee554f7aeff8692fabc944fb42019d41eb1e3d45514a02cda5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling binrw_derive v0.13.3
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling binrw v0.13.3
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking bytemuck v1.14.2
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking eyre v0.6.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.4
[INFO] [stderr]     Checking toml v0.8.10
[INFO] [stderr]     Checking dummy_minecraft_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `VarLong` is never constructed
[INFO] [stdout]    --> src/main.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 | struct VarLong(
[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 `var_long_parser` is never used
[INFO] [stdout]    --> src/main.rs:194:4
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn var_long_parser() -> BinResult<i64> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `var_long_writer` is never used
[INFO] [stdout]    --> src/main.rs:216:4
[INFO] [stdout]     |
[INFO] [stdout] 216 | fn var_long_writer(value: &i64) -> BinResult<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SizedString` is never constructed
[INFO] [stdout]    --> src/main.rs:317:8
[INFO] [stdout]     |
[INFO] [stdout] 317 | struct SizedString(
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Boolean` is never constructed
[INFO] [stdout]    --> src/main.rs:401:8
[INFO] [stdout]     |
[INFO] [stdout] 401 | struct Boolean(
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `boolean_writer` is never used
[INFO] [stdout]    --> src/main.rs:440:4
[INFO] [stdout]     |
[INFO] [stdout] 440 | fn boolean_writer(value: &bool) -> BinResult<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.59s
[INFO] running `Command { std: "docker" "inspect" "7c76e29b88e515ee554f7aeff8692fabc944fb42019d41eb1e3d45514a02cda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c76e29b88e515ee554f7aeff8692fabc944fb42019d41eb1e3d45514a02cda5", kill_on_drop: false }`
[INFO] [stdout] 7c76e29b88e515ee554f7aeff8692fabc944fb42019d41eb1e3d45514a02cda5