[INFO] cloning repository https://github.com/erebe/memcached_proxy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erebe/memcached_proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferebe%2Fmemcached_proxy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferebe%2Fmemcached_proxy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3bbfe52bf123262f7d680b22d839b1f034f957a4 [INFO] checking erebe/memcached_proxy against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferebe%2Fmemcached_proxy" "/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/erebe/memcached_proxy on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/erebe/memcached_proxy [INFO] finished tweaking git repo https://github.com/erebe/memcached_proxy [INFO] tweaked toml for git repo https://github.com/erebe/memcached_proxy written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/erebe/memcached_proxy 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-bigint v0.2.3 [INFO] [stderr] Downloaded tokio v0.2.4 [INFO] [stderr] Downloaded tokio-macros v0.2.0 [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_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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b998a1cc1b7f06d2778d74539db75994c95b14c9e149e0dbbd3421ef0b9362f3 [INFO] running `Command { std: "docker" "start" "-a" "b998a1cc1b7f06d2778d74539db75994c95b14c9e149e0dbbd3421ef0b9362f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b998a1cc1b7f06d2778d74539db75994c95b14c9e149e0dbbd3421ef0b9362f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b998a1cc1b7f06d2778d74539db75994c95b14c9e149e0dbbd3421ef0b9362f3", kill_on_drop: false }` [INFO] [stdout] b998a1cc1b7f06d2778d74539db75994c95b14c9e149e0dbbd3421ef0b9362f3 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4573dab4826db1253d92267aae9715cb100470c0a1aac42991e72cf6460d6b3 [INFO] running `Command { std: "docker" "start" "-a" "d4573dab4826db1253d92267aae9715cb100470c0a1aac42991e72cf6460d6b3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking bytes v0.5.3 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.0 [INFO] [stderr] Compiling num-derive v0.3.0 [INFO] [stderr] Checking tokio v0.2.4 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking memcached_proxy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused extern crate [INFO] [stdout] --> src/main.rs:25:1 [INFO] [stdout] | [INFO] [stdout] 25 | extern crate num; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove it [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | #![warn(rust_2018_idioms)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::buf::BufExt` [INFO] [stdout] --> src/memcached_codec.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use bytes::buf::BufExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/memcached_codec.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Framed` [INFO] [stdout] --> src/memcached_codec.rs:6:43 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio_util::codec::{Decoder, Encoder, Framed}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BytesMut` [INFO] [stdout] --> src/protocol/memcached_binary.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use bytes::{Bytes, BytesMut}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::io` [INFO] [stdout] --> src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | use tokio::io; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `LinesCodec` [INFO] [stdout] --> src/main.rs:36:33 [INFO] [stdout] | [INFO] [stdout] 36 | use tokio_util::codec::{Framed, LinesCodec}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Magic` [INFO] [stdout] --> src/main.rs:39:41 [INFO] [stdout] | [INFO] [stdout] 39 | use crate::protocol::memcached_binary::{Magic, PacketHeader}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::Bytes` [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | use bytes::Bytes; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IntoFuture` and `try_join` [INFO] [stdout] --> src/main.rs:41:23 [INFO] [stdout] | [INFO] [stdout] 41 | use futures::future::{try_join, IntoFuture}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused extern crate [INFO] [stdout] --> src/main.rs:25:1 [INFO] [stdout] | [INFO] [stdout] 25 | extern crate num; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove it [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | #![warn(rust_2018_idioms)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::buf::BufExt` [INFO] [stdout] --> src/memcached_codec.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use bytes::buf::BufExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::error::Error` [INFO] [stdout] --> src/memcached_codec.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Framed` [INFO] [stdout] --> src/memcached_codec.rs:6:43 [INFO] [stdout] | [INFO] [stdout] 6 | use tokio_util::codec::{Decoder, Encoder, Framed}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BytesMut` [INFO] [stdout] --> src/protocol/memcached_binary.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use bytes::{Bytes, BytesMut}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::io` [INFO] [stdout] --> src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | use tokio::io; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `LinesCodec` [INFO] [stdout] --> src/main.rs:36:33 [INFO] [stdout] | [INFO] [stdout] 36 | use tokio_util::codec::{Framed, LinesCodec}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Magic` [INFO] [stdout] --> src/main.rs:39:41 [INFO] [stdout] | [INFO] [stdout] 39 | use crate::protocol::memcached_binary::{Magic, PacketHeader}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::Bytes` [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | use bytes::Bytes; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `IntoFuture` and `try_join` [INFO] [stdout] --> src/main.rs:41:23 [INFO] [stdout] | [INFO] [stdout] 41 | use futures::future::{try_join, IntoFuture}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `proxy_addr` [INFO] [stdout] --> src/main.rs:73:43 [INFO] [stdout] | [INFO] [stdout] 73 | async fn transfer(mut inbound: TcpStream, proxy_addr: String) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_proxy_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:73:19 [INFO] [stdout] | [INFO] [stdout] 73 | async fn transfer(mut inbound: TcpStream, proxy_addr: String) -> Result<(), Box> { [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: unused variable: `proxy_addr` [INFO] [stdout] --> src/main.rs:73:43 [INFO] [stdout] | [INFO] [stdout] 73 | async fn transfer(mut inbound: TcpStream, proxy_addr: String) -> Result<(), Box> { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_proxy_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:73:19 [INFO] [stdout] | [INFO] [stdout] 73 | async fn transfer(mut inbound: TcpStream, proxy_addr: String) -> Result<(), Box> { [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: struct `StoreExtras` is never constructed [INFO] [stdout] --> src/protocol/memcached_binary.rs:113:12 [INFO] [stdout] | [INFO] [stdout] 113 | pub struct StoreExtras { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StoreExtras` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CounterExtras` is never constructed [INFO] [stdout] --> src/protocol/memcached_binary.rs:119:12 [INFO] [stdout] | [INFO] [stdout] 119 | pub struct CounterExtras { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CounterExtras` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StoreExtras` is never constructed [INFO] [stdout] --> src/protocol/memcached_binary.rs:113:12 [INFO] [stdout] | [INFO] [stdout] 113 | pub struct StoreExtras { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StoreExtras` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CounterExtras` is never constructed [INFO] [stdout] --> src/protocol/memcached_binary.rs:119:12 [INFO] [stdout] | [INFO] [stdout] 119 | pub struct CounterExtras { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CounterExtras` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.51s [INFO] running `Command { std: "docker" "inspect" "d4573dab4826db1253d92267aae9715cb100470c0a1aac42991e72cf6460d6b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4573dab4826db1253d92267aae9715cb100470c0a1aac42991e72cf6460d6b3", kill_on_drop: false }` [INFO] [stdout] d4573dab4826db1253d92267aae9715cb100470c0a1aac42991e72cf6460d6b3