[INFO] updating cached repository Freggy/rchat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Freggy/rchat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Freggy/rchat" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Freggy/rchat"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Freggy/rchat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Freggy/rchat" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Freggy/rchat"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Freggy/rchat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 36787aa77425bff518275e96f984f51d0a350609
[INFO] sha for GitHub repo Freggy/rchat: 36787aa77425bff518275e96f984f51d0a350609
[INFO] validating manifest of Freggy/rchat on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Freggy/rchat on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Freggy/rchat
[INFO] finished frobbing Freggy/rchat
[INFO] frobbed toml for Freggy/rchat written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Freggy/rchat/Cargo.toml
[INFO] started frobbing Freggy/rchat
[INFO] finished frobbing Freggy/rchat
[INFO] frobbed toml for Freggy/rchat written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Freggy/rchat/Cargo.toml
[INFO] crate Freggy/rchat already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Freggy/rchat against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-3/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Freggy/rchat:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9b2a6f07032dcfb61e1ccd53a59aa2a4b92357bd1288a9c0c089799759cf8289
[INFO] running `"docker" "start" "-a" "9b2a6f07032dcfb61e1ccd53a59aa2a4b92357bd1288a9c0c089799759cf8289"`
[INFO] [stderr]     Checking bytebuffer v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]     Checking openssl-sys v0.9.47
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking cfb8 v0.3.2
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking h2 v0.1.20
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.17
[INFO] [stderr]     Checking rchat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/netutils.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Error`
[INFO] [stderr]  --> src/netutils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Write`
[INFO] [stderr]  --> src/mojang.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fmt::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AesKey`, `KeyError`, `aes_ige`
[INFO] [stderr]  --> src/cryptoutils.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use openssl::aes::{AesKey, KeyError, aes_ige};
[INFO] [stderr]   |                    ^^^^^^  ^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cipher`, `Mode`
[INFO] [stderr]  --> src/cryptoutils.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 | use openssl::symm::{Mode, Cipher, Crypter};
[INFO] [stderr]   |                     ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/cryptoutils.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `aes::Aes128`
[INFO] [stderr]   --> src/cryptoutils.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use aes::Aes128;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cfb8::Cfb8`
[INFO] [stderr]   --> src/cryptoutils.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use cfb8::Cfb8;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StreamCipher`
[INFO] [stderr]   --> src/cryptoutils.rs:12:44
[INFO] [stderr]    |
[INFO] [stderr] 12 | use cfb8::stream_cipher::{NewStreamCipher, StreamCipher};
[INFO] [stderr]    |                                            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AesKey`, `KeyError`, `aes_ige`
[INFO] [stderr]   --> src/main.rs:17:20
[INFO] [stderr]    |
[INFO] [stderr] 17 | use openssl::aes::{AesKey, KeyError, aes_ige};
[INFO] [stderr]    |                    ^^^^^^  ^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cipher`, `Mode`
[INFO] [stderr]   --> src/main.rs:18:21
[INFO] [stderr]    |
[INFO] [stderr] 18 | use openssl::symm::{Mode, Cipher, Crypter};
[INFO] [stderr]    |                     ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Padding`, `Rsa`
[INFO] [stderr]   --> src/main.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 | use openssl::rsa::{Rsa, Padding};
[INFO] [stderr]    |                    ^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `openssl::pkey::PKey`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use openssl::pkey::PKey;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::crypto::digest::Digest`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use self::crypto::digest::Digest;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::crypto::sha1::Sha1`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | use self::crypto::sha1::Sha1;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `read`
[INFO] [stderr]   --> src/main.rs:31:15
[INFO] [stderr]    |
[INFO] [stderr] 31 | use std::fs::{File, read};
[INFO] [stderr]    |               ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::to_string_pretty`
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | use serde_json::to_string_pretty;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 154 |     Ok(())
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/mojang.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NewStreamCipher`
[INFO] [stderr]   --> src/cryptoutils.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 | use cfb8::stream_cipher::{NewStreamCipher, StreamCipher};
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 e => lol()
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `encrypted`
[INFO] [stderr]    --> src/main.rs:187:60
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn send_packet(tcp: &mut TcpStream, data: &mut ByteBuffer, encrypted: bool, id: i32) {
[INFO] [stderr]     |                                                            ^^^^^^^^^ help: consider prefixing with an underscore: `_encrypted`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `byte_read` is never read
[INFO] [stderr]   --> src/netutils.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut byte_read = 0;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_id`
[INFO] [stderr]   --> src/mojang.rs:42:56
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn join_server(client: &Client, info: AccountInfo, server_id: String, secret: &Vec<u8>, key: &Vec<u8>) -> Result<(), String> {
[INFO] [stderr]    |                                                        ^^^^^^^^^ help: consider prefixing with an underscore: `_server_id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mojang.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let mut negative = (data[0] & 0x80) == 0x80;
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `client_token`
[INFO] [stderr]   --> src/mojang.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     client_token: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             c.update(&buf[..ret], &mut out);
[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 `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     tcp.write_all(buf.to_bytes().as_slice());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cryptoutils.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             e.public_encrypt(input, out, Padding::PKCS1);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cryptoutils.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     cipher.update(&input, &mut out);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cryptoutils.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     cipher.finalize(&mut out);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/netutils.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Error`
[INFO] [stderr]  --> src/netutils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Write`
[INFO] [stderr]  --> src/mojang.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fmt::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AesKey`, `KeyError`, `aes_ige`
[INFO] [stderr]  --> src/cryptoutils.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use openssl::aes::{AesKey, KeyError, aes_ige};
[INFO] [stderr]   |                    ^^^^^^  ^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cipher`, `Mode`
[INFO] [stderr]  --> src/cryptoutils.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 | use openssl::symm::{Mode, Cipher, Crypter};
[INFO] [stderr]   |                     ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/cryptoutils.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `aes::Aes128`
[INFO] [stderr]   --> src/cryptoutils.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use aes::Aes128;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cfb8::Cfb8`
[INFO] [stderr]   --> src/cryptoutils.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use cfb8::Cfb8;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StreamCipher`
[INFO] [stderr]   --> src/cryptoutils.rs:12:44
[INFO] [stderr]    |
[INFO] [stderr] 12 | use cfb8::stream_cipher::{NewStreamCipher, StreamCipher};
[INFO] [stderr]    |                                            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AesKey`, `KeyError`, `aes_ige`
[INFO] [stderr]   --> src/main.rs:17:20
[INFO] [stderr]    |
[INFO] [stderr] 17 | use openssl::aes::{AesKey, KeyError, aes_ige};
[INFO] [stderr]    |                    ^^^^^^  ^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cipher`, `Mode`
[INFO] [stderr]   --> src/main.rs:18:21
[INFO] [stderr]    |
[INFO] [stderr] 18 | use openssl::symm::{Mode, Cipher, Crypter};
[INFO] [stderr]    |                     ^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Padding`, `Rsa`
[INFO] [stderr]   --> src/main.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 | use openssl::rsa::{Rsa, Padding};
[INFO] [stderr]    |                    ^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::thread;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `openssl::pkey::PKey`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | use openssl::pkey::PKey;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::crypto::digest::Digest`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use self::crypto::digest::Digest;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::crypto::sha1::Sha1`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | use self::crypto::sha1::Sha1;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `read`
[INFO] [stderr]   --> src/main.rs:31:15
[INFO] [stderr]    |
[INFO] [stderr] 31 | use std::fs::{File, read};
[INFO] [stderr]    |               ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::to_string_pretty`
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | use serde_json::to_string_pretty;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 154 |     Ok(())
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/mojang.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     Ok(())
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NewStreamCipher`
[INFO] [stderr]   --> src/cryptoutils.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 | use cfb8::stream_cipher::{NewStreamCipher, StreamCipher};
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/main.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 e => lol()
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `encrypted`
[INFO] [stderr]    --> src/main.rs:187:60
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn send_packet(tcp: &mut TcpStream, data: &mut ByteBuffer, encrypted: bool, id: i32) {
[INFO] [stderr]     |                                                            ^^^^^^^^^ help: consider prefixing with an underscore: `_encrypted`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `byte_read` is never read
[INFO] [stderr]   --> src/netutils.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut byte_read = 0;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `server_id`
[INFO] [stderr]   --> src/mojang.rs:42:56
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn join_server(client: &Client, info: AccountInfo, server_id: String, secret: &Vec<u8>, key: &Vec<u8>) -> Result<(), String> {
[INFO] [stderr]    |                                                        ^^^^^^^^^ help: consider prefixing with an underscore: `_server_id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/mojang.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let mut negative = (data[0] & 0x80) == 0x80;
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `client_token`
[INFO] [stderr]   --> src/mojang.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     client_token: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             c.update(&buf[..ret], &mut out);
[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 `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     tcp.write_all(buf.to_bytes().as_slice());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cryptoutils.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             e.public_encrypt(input, out, Padding::PKCS1);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cryptoutils.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     cipher.update(&input, &mut out);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cryptoutils.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     cipher.finalize(&mut out);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.38s
[INFO] running `"docker" "inspect" "9b2a6f07032dcfb61e1ccd53a59aa2a4b92357bd1288a9c0c089799759cf8289"`
[INFO] running `"docker" "rm" "-f" "9b2a6f07032dcfb61e1ccd53a59aa2a4b92357bd1288a9c0c089799759cf8289"`
[INFO] [stdout] 9b2a6f07032dcfb61e1ccd53a59aa2a4b92357bd1288a9c0c089799759cf8289