[INFO] cloning repository https://github.com/guilhermeg2k/mc-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guilhermeg2k/mc-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilhermeg2k%2Fmc-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilhermeg2k%2Fmc-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e7df0c4ff13caacb84daab7c408cd7a6cd86823
[INFO] testing guilhermeg2k/mc-server against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilhermeg2k%2Fmc-server" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guilhermeg2k/mc-server on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guilhermeg2k/mc-server
[INFO] finished tweaking git repo https://github.com/guilhermeg2k/mc-server
[INFO] tweaked toml for git repo https://github.com/guilhermeg2k/mc-server written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/guilhermeg2k/mc-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded integer-encoding v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d51eea2fc203025f145688be06a0bf7703b16135370dd2d3c5780e614284dd1
[INFO] running `Command { std: "docker" "start" "-a" "1d51eea2fc203025f145688be06a0bf7703b16135370dd2d3c5780e614284dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d51eea2fc203025f145688be06a0bf7703b16135370dd2d3c5780e614284dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d51eea2fc203025f145688be06a0bf7703b16135370dd2d3c5780e614284dd1", kill_on_drop: false }`
[INFO] [stdout] 1d51eea2fc203025f145688be06a0bf7703b16135370dd2d3c5780e614284dd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e63b95e94b8ea0bc68ae538de6471c5b6dfc5eb7cdb15bb2cb7a5984fc0bc22
[INFO] running `Command { std: "docker" "start" "-a" "8e63b95e94b8ea0bc68ae538de6471c5b6dfc5eb7cdb15bb2cb7a5984fc0bc22", kill_on_drop: false }`
[INFO] [stderr]    Compiling integer-encoding v2.1.1
[INFO] [stderr]    Compiling minecraft-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `HandShake`
[INFO] [stdout]   --> src/server/mod.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             HandShake => {
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_HandShake`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HandShake`
[INFO] [stdout]  --> src/server/../packet/ids.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     HandShake = 0x00,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ping`
[INFO] [stdout]  --> src/server/../packet/ids.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Ping = 0x01,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoginSucess`
[INFO] [stdout]  --> src/server/../packet/ids.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     LoginSucess = 0x02,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Joingame`
[INFO] [stdout]  --> src/server/../packet/ids.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Joingame = 0x24,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PlayerPositionAndLook`
[INFO] [stdout]  --> src/server/../packet/ids.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     PlayerPositionAndLook = 0x34,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ClientSettings`
[INFO] [stdout]  --> src/server/../packet/ids.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ClientSettings = 0x05,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BlockChange`
[INFO] [stdout]  --> src/server/../packet/ids.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     BlockChange = 0x0b,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KeepAlive`
[INFO] [stdout]   --> src/server/../packet/ids.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     KeepAlive = 0x1F,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_u32`
[INFO] [stdout]   --> src/server/../packet/ids.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from_u32(value: u32) -> PacketID {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_string`
[INFO] [stdout]   --> src/server/../packet/mod.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_string(&mut self, value: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_varint`
[INFO] [stdout]   --> src/server/../packet/mod.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn write_varint(&mut self, value: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_to`
[INFO] [stdout]   --> src/server/../packet/mod.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn send_to(&mut self, stream: &mut TcpStream) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_varint`
[INFO] [stdout]    --> src/server/../packet/mod.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn encode_varint(value: u32) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/server/../packet/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn from(stream: &mut TcpStream) -> Result<Packet, FailedToDecodeVarint> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_varint`
[INFO] [stdout]   --> src/server/../packet/mod.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn decode_varint(stream: &mut TcpStream) -> Option<(usize, u32)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `HandShake` should have a snake case name
[INFO] [stdout]   --> src/server/mod.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             HandShake => {
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `hand_shake`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/../packet/mod.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             stream.read(&mut buf);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/../packet/mod.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         stream.write(&mut length_encoded);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/../packet/mod.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         stream.write(&mut encoded_id);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/../packet/mod.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         stream.write(&self.data);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/../packet/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         stream.read(&mut read);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/../packet/mod.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             stream.read(&mut buf);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "8e63b95e94b8ea0bc68ae538de6471c5b6dfc5eb7cdb15bb2cb7a5984fc0bc22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e63b95e94b8ea0bc68ae538de6471c5b6dfc5eb7cdb15bb2cb7a5984fc0bc22", kill_on_drop: false }`
[INFO] [stdout] 8e63b95e94b8ea0bc68ae538de6471c5b6dfc5eb7cdb15bb2cb7a5984fc0bc22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af85e5773ad47b61483f8ea454c7509d34f846ed382ef66d0a1c3fe3c5e799b5
[INFO] running `Command { std: "docker" "start" "-a" "af85e5773ad47b61483f8ea454c7509d34f846ed382ef66d0a1c3fe3c5e799b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling minecraft-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `HandShake`
[INFO] [stdout]   --> src/server/mod.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             HandShake => {
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_HandShake`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HandShake`
[INFO] [stdout]  --> src/server/../packet/ids.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     HandShake = 0x00,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ping`
[INFO] [stdout]  --> src/server/../packet/ids.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Ping = 0x01,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LoginSucess`
[INFO] [stdout]  --> src/server/../packet/ids.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     LoginSucess = 0x02,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Joingame`
[INFO] [stdout]  --> src/server/../packet/ids.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Joingame = 0x24,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PlayerPositionAndLook`
[INFO] [stdout]  --> src/server/../packet/ids.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     PlayerPositionAndLook = 0x34,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ClientSettings`
[INFO] [stdout]  --> src/server/../packet/ids.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ClientSettings = 0x05,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BlockChange`
[INFO] [stdout]  --> src/server/../packet/ids.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     BlockChange = 0x0b,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KeepAlive`
[INFO] [stdout]   --> src/server/../packet/ids.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     KeepAlive = 0x1F,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_u32`
[INFO] [stdout]   --> src/server/../packet/ids.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from_u32(value: u32) -> PacketID {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_string`
[INFO] [stdout]   --> src/server/../packet/mod.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_string(&mut self, value: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_varint`
[INFO] [stdout]   --> src/server/../packet/mod.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn write_varint(&mut self, value: u32) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_to`
[INFO] [stdout]   --> src/server/../packet/mod.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn send_to(&mut self, stream: &mut TcpStream) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `encode_varint`
[INFO] [stdout]    --> src/server/../packet/mod.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn encode_varint(value: u32) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/server/../packet/mod.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn from(stream: &mut TcpStream) -> Result<Packet, FailedToDecodeVarint> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_varint`
[INFO] [stdout]   --> src/server/../packet/mod.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn decode_varint(stream: &mut TcpStream) -> Option<(usize, u32)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `HandShake` should have a snake case name
[INFO] [stdout]   --> src/server/mod.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             HandShake => {
[INFO] [stdout]    |             ^^^^^^^^^ help: convert the identifier to snake case: `hand_shake`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/../packet/mod.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             stream.read(&mut buf);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/../packet/mod.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         stream.write(&mut length_encoded);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/../packet/mod.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         stream.write(&mut encoded_id);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/../packet/mod.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         stream.write(&self.data);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/../packet/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         stream.read(&mut read);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server/../packet/mod.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             stream.read(&mut buf);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "af85e5773ad47b61483f8ea454c7509d34f846ed382ef66d0a1c3fe3c5e799b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af85e5773ad47b61483f8ea454c7509d34f846ed382ef66d0a1c3fe3c5e799b5", kill_on_drop: false }`
[INFO] [stdout] af85e5773ad47b61483f8ea454c7509d34f846ed382ef66d0a1c3fe3c5e799b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9380f863bafd62463b6048c06699e74acdfc1d289d9e81dae089e47bd2e4c5ce
[INFO] running `Command { std: "docker" "start" "-a" "9380f863bafd62463b6048c06699e74acdfc1d289d9e81dae089e47bd2e4c5ce", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `HandShake`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/server/mod.rs:23:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 23 |             HandShake => {
[INFO] [stdout] 
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_HandShake`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `HandShake`
[INFO] [stderr]  --> src/server/../packet/ids.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     HandShake = 0x00,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ping`
[INFO] [stderr]  --> src/server/../packet/ids.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Ping = 0x01,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LoginSucess`
[INFO] [stderr]  --> src/server/../packet/ids.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     LoginSucess = 0x02,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Joingame`
[INFO] [stderr]  --> src/server/../packet/ids.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Joingame = 0x24,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PlayerPositionAndLook`
[INFO] [stderr]  --> src/server/../packet/ids.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     PlayerPositionAndLook = 0x34,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ClientSettings`
[INFO] [stderr]  --> src/server/../packet/ids.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ClientSettings = 0x05,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BlockChange`
[INFO] [stderr]  --> src/server/../packet/ids.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     BlockChange = 0x0b,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `KeepAlive`
[INFO] [stderr]   --> src/server/../packet/ids.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     KeepAlive = 0x1F,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_u32`
[INFO] [stderr]   --> src/server/../packet/ids.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn from_u32(value: u32) -> PacketID {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_string`
[INFO] [stderr]   --> src/server/../packet/mod.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn write_string(&mut self, value: String) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write_varint`
[INFO] [stderr]   --> src/server/../packet/mod.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn write_varint(&mut self, value: u32) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `send_to`
[INFO] [stderr]   --> src/server/../packet/mod.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn send_to(&mut self, stream: &mut TcpStream) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `encode_varint`
[INFO] [stderr]    --> src/server/../packet/mod.rs:107:8
[INFO] [stderr]     |
[INFO] [stderr] 107 | pub fn encode_varint(value: u32) -> Vec<u8> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from`
[INFO] [stderr]   --> src/server/../packet/mod.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn from(stream: &mut TcpStream) -> Result<Packet, FailedToDecodeVarint> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode_varint`
[INFO] [stderr]   --> src/server/../packet/mod.rs:88:8
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub fn decode_varint(stream: &mut TcpStream) -> Option<(usize, u32)> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `HandShake` should have a snake case name
[INFO] [stderr]   --> src/server/mod.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             HandShake => {
[INFO] [stderr]    |             ^^^^^^^^^ help: convert the identifier to snake case: `hand_shake`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/server/../packet/mod.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             stream.read(&mut buf);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/server/../packet/mod.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         stream.write(&mut length_encoded);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/server/../packet/mod.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         stream.write(&mut encoded_id);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/server/../packet/mod.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         stream.write(&self.data);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/server/../packet/mod.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         stream.read(&mut read);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/server/../packet/mod.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             stream.read(&mut buf);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minecraft_server-c50d33971c8010dd)
[INFO] running `Command { std: "docker" "inspect" "9380f863bafd62463b6048c06699e74acdfc1d289d9e81dae089e47bd2e4c5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9380f863bafd62463b6048c06699e74acdfc1d289d9e81dae089e47bd2e4c5ce", kill_on_drop: false }`
[INFO] [stdout] 9380f863bafd62463b6048c06699e74acdfc1d289d9e81dae089e47bd2e4c5ce