[INFO] cloning repository https://github.com/DevinR528/rust_load_balance [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinR528%2Frust_load_balance'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e1bf79c4cd21b55f16bb5dc943e7f0ce63e3dad7 [INFO] checking DevinR528/rust_load_balance/e1bf79c4cd21b55f16bb5dc943e7f0ce63e3dad7 against master#c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3 for pr-141352 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinR528%2Frust_load_balance" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DevinR528/rust_load_balance on toolchain c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-2-tc1/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 `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-trace-core v0.2.0 [INFO] [stderr] Downloaded synstructure v0.10.2 [INFO] [stderr] Downloaded serde_derive v1.0.92 [INFO] [stderr] Downloaded cc v1.0.37 [INFO] [stderr] Downloaded rustc-demangle v0.1.15 [INFO] [stderr] Downloaded backtrace v0.3.30 [INFO] [stderr] Downloaded tokio-sync v0.1.6 [INFO] [stderr] Downloaded autocfg v0.1.4 [INFO] [stderr] Downloaded serde v1.0.92 [INFO] [stderr] Downloaded tokio v0.1.21 [INFO] [stderr] Downloaded tokio-timer v0.2.11 [INFO] [stderr] Downloaded libc v0.2.58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" 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7a968468f7eada5296772d5faed1669865c8432592705a5f1ab966cdce2a0c86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+c43786c9b7b8d8dcc3f9c604e0e3074c16ed69d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d27391ab5ab0caf645eb6ba028722ee36bdc71fe3e3a36850c9044c75c13aca2 [INFO] running `Command { std: "docker" "start" "-a" "d27391ab5ab0caf645eb6ba028722ee36bdc71fe3e3a36850c9044c75c13aca2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking futures v0.1.27 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Checking tokio-trace-core v0.2.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling backtrace v0.3.30 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [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 tokio v0.1.21 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking streams v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BytesCodec`, `Decoder`, `Encoder`, and `Framed` [INFO] [stdout] --> src/main.rs:9:20 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::codec::{BytesCodec, Decoder, Encoder, Framed}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BytesCodec`, `Decoder`, `Encoder`, and `Framed` [INFO] [stdout] --> src/main.rs:9:20 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::codec::{BytesCodec, Decoder, Encoder, Framed}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Error`, `Fail`, and `Fallible` [INFO] [stdout] --> src/main.rs:13:15 [INFO] [stdout] | [INFO] [stdout] 13 | use failure::{Error, Fail, Fallible}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Error`, `Fail`, and `Fallible` [INFO] [stdout] --> src/main.rs:13:15 [INFO] [stdout] | [INFO] [stdout] 13 | use failure::{Error, Fail, Fallible}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_derive::*` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use serde_derive::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::borrow::BorrowMut` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use core::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/enc_dec.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/enc_dec.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::prelude::*` [INFO] [stdout] --> src/enc_dec.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use futures::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Error` and `Fallible` [INFO] [stdout] --> src/enc_dec.rs:12:15 [INFO] [stdout] | [INFO] [stdout] 12 | use failure::{Error, Fail, Fallible}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/enc_dec.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/enc_dec.rs:17:21 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::buf::IntoBuf` [INFO] [stdout] --> src/main.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 199 | use bytes::buf::IntoBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_derive::*` [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use serde_derive::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_json` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::borrow::BorrowMut` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use core::borrow::BorrowMut; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/enc_dec.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc` [INFO] [stdout] --> src/enc_dec.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::prelude::*` [INFO] [stdout] --> src/enc_dec.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use futures::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Error` and `Fallible` [INFO] [stdout] --> src/enc_dec.rs:12:15 [INFO] [stdout] | [INFO] [stdout] 12 | use failure::{Error, Fail, Fallible}; [INFO] [stdout] | ^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/enc_dec.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/enc_dec.rs:17:21 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate [INFO] [stdout] = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg [INFO] [stdout] = help: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:50:18 [INFO] [stdout] | [INFO] [stdout] 50 | file.read_buf(&mut buf) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `tokio::io::AsyncRead::read_buf(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(read_buf)]` to the crate attributes to enable `std::io::Read::read_buf` [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(read_buf)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:160:42 [INFO] [stdout] | [INFO] [stdout] 160 | let n = try_ready!(self.sock.read_buf(&mut self.rd)); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `tokio::io::AsyncRead::read_buf(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(read_buf)]` to the crate attributes to enable `std::io::Read::read_buf` [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(read_buf)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Fail` [INFO] [stdout] --> src/enc_dec.rs:12:22 [INFO] [stdout] | [INFO] [stdout] 12 | use failure::{Error, Fail, Fallible}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:50:18 [INFO] [stdout] | [INFO] [stdout] 50 | file.read_buf(&mut buf) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `tokio::io::AsyncRead::read_buf(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(read_buf)]` to the crate attributes to enable `std::io::Read::read_buf` [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(read_buf)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `get` [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let get = b"GET / HTTP/1.1\r\n"; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_get` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/main.rs:160:42 [INFO] [stdout] | [INFO] [stdout] 160 | let n = try_ready!(self.sock.read_buf(&mut self.rd)); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `tokio::io::AsyncRead::read_buf(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(read_buf)]` to the crate attributes to enable `std::io::Read::read_buf` [INFO] [stdout] | [INFO] [stdout] 1 + #![feature(read_buf)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Fail` [INFO] [stdout] --> src/enc_dec.rs:12:22 [INFO] [stdout] | [INFO] [stdout] 12 | use failure::{Error, Fail, Fallible}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `poll_flush` is never used [INFO] [stdout] --> src/main.rs:137:8 [INFO] [stdout] | [INFO] [stdout] 93 | impl ReadWrite { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 137 | fn poll_flush(&mut self) -> Poll<(), tokio::io::Error> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Header` and `Body` are never constructed [INFO] [stdout] --> src/enc_dec.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | enum RequestState { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 26 | Header, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 27 | Body, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RequestState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `state` and `cont_len` are never read [INFO] [stdout] --> src/enc_dec.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 30 | pub struct JsonCodec { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 31 | state: RequestState, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 32 | cont_len: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/enc_dec.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 35 | impl JsonCodec { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 36 | pub fn new() -> JsonCodec { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/enc_dec.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_JsonMsg` [INFO] [stdout] 18 | pub struct JsonMsg { [INFO] [stdout] | ------- `JsonMsg` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/enc_dec.rs:17:21 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_JsonMsg` [INFO] [stdout] 18 | pub struct JsonMsg { [INFO] [stdout] | ------- `JsonMsg` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `get` [INFO] [stdout] --> src/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let get = b"GET / HTTP/1.1\r\n"; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_get` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `amt` [INFO] [stdout] --> src/main.rs:247:21 [INFO] [stdout] | [INFO] [stdout] 247 | let amt = conn.write(b"123\r\n".as_ref()).unwrap(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_amt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:241:19 [INFO] [stdout] | [INFO] [stdout] 241 | .map(|mut s| s).wait().unwrap(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `poll_flush` is never used [INFO] [stdout] --> src/main.rs:137:8 [INFO] [stdout] | [INFO] [stdout] 93 | impl ReadWrite { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 137 | fn poll_flush(&mut self) -> Poll<(), tokio::io::Error> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Header` and `Body` are never constructed [INFO] [stdout] --> src/enc_dec.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 25 | enum RequestState { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] 26 | Header, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 27 | Body, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RequestState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `state` and `cont_len` are never read [INFO] [stdout] --> src/enc_dec.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 30 | pub struct JsonCodec { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 31 | state: RequestState, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 32 | cont_len: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/enc_dec.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 35 | impl JsonCodec { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 36 | pub fn new() -> JsonCodec { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/enc_dec.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | ^-------- [INFO] [stdout] | | [INFO] [stdout] | `Serialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_JsonMsg` [INFO] [stdout] 18 | pub struct JsonMsg { [INFO] [stdout] | ------- `JsonMsg` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/enc_dec.rs:17:21 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Serialize, Deserialize, Debug, Clone)] [INFO] [stdout] | ^---------- [INFO] [stdout] | | [INFO] [stdout] | `Deserialize` is not local [INFO] [stdout] | move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_JsonMsg` [INFO] [stdout] 18 | pub struct JsonMsg { [INFO] [stdout] | ------- `JsonMsg` is not local [INFO] [stdout] | [INFO] [stdout] = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed [INFO] [stdout] = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive` [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint [INFO] [stdout] = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:249:17 [INFO] [stdout] | [INFO] [stdout] 249 | rw.fill_read_buf(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 249 | let _ = rw.fill_read_buf(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.98s [INFO] running `Command { std: "docker" "inspect" "d27391ab5ab0caf645eb6ba028722ee36bdc71fe3e3a36850c9044c75c13aca2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d27391ab5ab0caf645eb6ba028722ee36bdc71fe3e3a36850c9044c75c13aca2", kill_on_drop: false }` [INFO] [stdout] d27391ab5ab0caf645eb6ba028722ee36bdc71fe3e3a36850c9044c75c13aca2