[INFO] cloning repository https://github.com/DevinR528/rust_load_balance [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DevinR528/rust_load_balance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinR528%2Frust_load_balance"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinR528%2Frust_load_balance'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e1bf79c4cd21b55f16bb5dc943e7f0ce63e3dad7 [INFO] checking DevinR528/rust_load_balance against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinR528%2Frust_load_balance" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DevinR528/rust_load_balance on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/DevinR528/rust_load_balance [INFO] finished tweaking git repo https://github.com/DevinR528/rust_load_balance [INFO] tweaked toml for git repo https://github.com/DevinR528/rust_load_balance written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/DevinR528/rust_load_balance already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 19b339d1eb2d8874d41cc1a31aa2ad24ec3ac486631c979ca44888f454ddb004 [INFO] running `"docker" "start" "-a" "19b339d1eb2d8874d41cc1a31aa2ad24ec3ac486631c979ca44888f454ddb004"` [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking tokio v0.1.21 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking streams v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::mpsc; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BytesCodec`, `Decoder`, `Encoder`, `Framed` [INFO] [stderr] --> src/main.rs:9:20 [INFO] [stderr] | [INFO] [stderr] 9 | use tokio::codec::{BytesCodec, Decoder, Encoder, Framed}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error`, `Fail`, `Fallible` [INFO] [stderr] --> src/main.rs:13:15 [INFO] [stderr] | [INFO] [stderr] 13 | use failure::{Error, Fail, Fallible}; [INFO] [stderr] | ^^^^^ ^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_derive::*` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use serde_derive::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_json` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use serde_json; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::BorrowMut` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | use core::borrow::BorrowMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/enc_dec.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc` [INFO] [stderr] --> src/enc_dec.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::sync::mpsc; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::prelude::*` [INFO] [stderr] --> src/enc_dec.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use futures::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error`, `Fallible` [INFO] [stderr] --> src/enc_dec.rs:12:15 [INFO] [stderr] | [INFO] [stderr] 12 | use failure::{Error, Fail, Fallible}; [INFO] [stderr] | ^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::mpsc; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BytesCodec`, `Decoder`, `Encoder`, `Framed` [INFO] [stderr] --> src/main.rs:9:20 [INFO] [stderr] | [INFO] [stderr] 9 | use tokio::codec::{BytesCodec, Decoder, Encoder, Framed}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error`, `Fail`, `Fallible` [INFO] [stderr] --> src/main.rs:13:15 [INFO] [stderr] | [INFO] [stderr] 13 | use failure::{Error, Fail, Fallible}; [INFO] [stderr] | ^^^^^ ^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_derive::*` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use serde_derive::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde_json` [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use serde_json; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::BorrowMut` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | use core::borrow::BorrowMut; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/enc_dec.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc` [INFO] [stderr] --> src/enc_dec.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::sync::mpsc; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::prelude::*` [INFO] [stderr] --> src/enc_dec.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use futures::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error`, `Fallible` [INFO] [stderr] --> src/enc_dec.rs:12:15 [INFO] [stderr] | [INFO] [stderr] 12 | use failure::{Error, Fail, Fallible}; [INFO] [stderr] | ^^^^^ ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `bytes::buf::IntoBuf` [INFO] [stderr] --> src/main.rs:199:9 [INFO] [stderr] | [INFO] [stderr] 199 | use bytes::buf::IntoBuf; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Fail` [INFO] [stderr] --> src/enc_dec.rs:12:22 [INFO] [stderr] | [INFO] [stderr] 12 | use failure::{Error, Fail, Fallible}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `get` [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let get = b"GET / HTTP/1.1\r\n"; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_get` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Fail` [INFO] [stderr] --> src/enc_dec.rs:12:22 [INFO] [stderr] | [INFO] [stderr] 12 | use failure::{Error, Fail, Fallible}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `get` [INFO] [stderr] --> src/main.rs:29:9 [INFO] [stderr] | [INFO] [stderr] 29 | let get = b"GET / HTTP/1.1\r\n"; [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_get` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `amt` [INFO] [stderr] --> src/main.rs:247:21 [INFO] [stderr] | [INFO] [stderr] 247 | let amt = conn.write(b"123\r\n".as_ref()).unwrap(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_amt` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Header` [INFO] [stderr] --> src/enc_dec.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | Header, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Body` [INFO] [stderr] --> src/enc_dec.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | Body, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `state` [INFO] [stderr] --> src/enc_dec.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | state: RequestState, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `cont_len` [INFO] [stderr] --> src/enc_dec.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | cont_len: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/enc_dec.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn new() -> JsonCodec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `poll_flush` [INFO] [stderr] --> src/main.rs:137:5 [INFO] [stderr] | [INFO] [stderr] 137 | fn poll_flush(&mut self) -> Poll<(), tokio::io::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:241:19 [INFO] [stderr] | [INFO] [stderr] 241 | .map(|mut s| s).wait().unwrap(); [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: variant is never constructed: `Header` [INFO] [stderr] --> src/enc_dec.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | Header, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Body` [INFO] [stderr] --> src/enc_dec.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | Body, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `state` [INFO] [stderr] --> src/enc_dec.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | state: RequestState, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `cont_len` [INFO] [stderr] --> src/enc_dec.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | cont_len: usize, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/enc_dec.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn new() -> JsonCodec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `poll_flush` [INFO] [stderr] --> src/main.rs:137:5 [INFO] [stderr] | [INFO] [stderr] 137 | fn poll_flush(&mut self) -> Poll<(), tokio::io::Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:249:17 [INFO] [stderr] | [INFO] [stderr] 249 | rw.fill_read_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] Finished dev [unoptimized + debuginfo] target(s) in 41.40s [INFO] running `"docker" "inspect" "19b339d1eb2d8874d41cc1a31aa2ad24ec3ac486631c979ca44888f454ddb004"` [INFO] running `"docker" "rm" "-f" "19b339d1eb2d8874d41cc1a31aa2ad24ec3ac486631c979ca44888f454ddb004"` [INFO] [stdout] 19b339d1eb2d8874d41cc1a31aa2ad24ec3ac486631c979ca44888f454ddb004