[INFO] cloning repository https://github.com/xIGBClutchIx/fake_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/xIGBClutchIx/fake_minecraft_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxIGBClutchIx%2Ffake_minecraft_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxIGBClutchIx%2Ffake_minecraft_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bc62e971c6d4993d6cce1aa062f9c96c49da6ab
[INFO] checking xIGBClutchIx/fake_minecraft_server against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxIGBClutchIx%2Ffake_minecraft_server" "/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/xIGBClutchIx/fake_minecraft_server on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xIGBClutchIx/fake_minecraft_server
[INFO] finished tweaking git repo https://github.com/xIGBClutchIx/fake_minecraft_server
[INFO] tweaked toml for git repo https://github.com/xIGBClutchIx/fake_minecraft_server written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xIGBClutchIx/fake_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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91a4c25ad3b47dcfefa8f76d1dfc19ab1b90784e644cddb8ab9613408aaca4fb
[INFO] running `Command { std: "docker" "start" "-a" "91a4c25ad3b47dcfefa8f76d1dfc19ab1b90784e644cddb8ab9613408aaca4fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91a4c25ad3b47dcfefa8f76d1dfc19ab1b90784e644cddb8ab9613408aaca4fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a4c25ad3b47dcfefa8f76d1dfc19ab1b90784e644cddb8ab9613408aaca4fb", kill_on_drop: false }`
[INFO] [stdout] 91a4c25ad3b47dcfefa8f76d1dfc19ab1b90784e644cddb8ab9613408aaca4fb
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca25f0b29d4d0897ebde190eb1a0059df151f48f4cb28c47908d51a7d9fedc3a
[INFO] running `Command { std: "docker" "start" "-a" "ca25f0b29d4d0897ebde190eb1a0059df151f48f4cb28c47908d51a7d9fedc3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking fake_minecraft_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `PacketServerbound` is imported redundantly
[INFO] [stdout]  --> src/packets/serverbound/handshake.rs:1:88
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{packets::{clientbound::PacketHandshakeStatus, handler::{PacketClientbound, PacketServerbound}, serverbound::*}, socket::*};
[INFO] [stdout]   |                                                                                        ^^^^^^^^^^^^^^^^^   -------------- the item `PacketServerbound` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PacketServerbound` is imported redundantly
[INFO] [stdout]  --> src/packets/serverbound/status.rs:1:77
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{packets::{clientbound::PacketPong, handler::{PacketClientbound, PacketServerbound}, serverbound::*}, socket::*};
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^^^^^^^   -------------- the item `PacketServerbound` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PacketServerbound` is imported redundantly
[INFO] [stdout]  --> src/packets/serverbound/handshake.rs:1:88
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{packets::{clientbound::PacketHandshakeStatus, handler::{PacketClientbound, PacketServerbound}, serverbound::*}, socket::*};
[INFO] [stdout]   |                                                                                        ^^^^^^^^^^^^^^^^^   -------------- the item `PacketServerbound` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PacketServerbound` is imported redundantly
[INFO] [stdout]  --> src/packets/serverbound/status.rs:1:77
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{packets::{clientbound::PacketPong, handler::{PacketClientbound, PacketServerbound}, serverbound::*}, socket::*};
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^^^^^^^   -------------- the item `PacketServerbound` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `protocol`, `server_address`, and `port` are never read
[INFO] [stdout]   --> src/packets/serverbound/mod.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         0x00 => PacketHandshakeRequest {
[INFO] [stdout]    |                 ---------------------- fields in this struct
[INFO] [stdout] 12 |             protocol: VarInt,
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 13 |             server_address: String,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 14 |             port: Short,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PacketHandshakeRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `serverbound_packets` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `protocol`, `server_address`, and `port` are never read
[INFO] [stdout]   --> src/packets/serverbound/mod.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         0x00 => PacketHandshakeRequest {
[INFO] [stdout]    |                 ---------------------- fields in this struct
[INFO] [stdout] 12 |             protocol: VarInt,
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 13 |             server_address: String,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 14 |             port: Short,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PacketHandshakeRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `serverbound_packets` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.11s
[INFO] running `Command { std: "docker" "inspect" "ca25f0b29d4d0897ebde190eb1a0059df151f48f4cb28c47908d51a7d9fedc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca25f0b29d4d0897ebde190eb1a0059df151f48f4cb28c47908d51a7d9fedc3a", kill_on_drop: false }`
[INFO] [stdout] ca25f0b29d4d0897ebde190eb1a0059df151f48f4cb28c47908d51a7d9fedc3a