[INFO] updating cached repository silvadanilo/rust-proxy [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/silvadanilo/rust-proxy [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/silvadanilo/rust-proxy" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/silvadanilo/rust-proxy"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/silvadanilo/rust-proxy'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/silvadanilo/rust-proxy" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/silvadanilo/rust-proxy"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/silvadanilo/rust-proxy'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 810c3eda6468e30c26e2e93b8a609147c9cfc51a [INFO] sha for GitHub repo silvadanilo/rust-proxy: 810c3eda6468e30c26e2e93b8a609147c9cfc51a [INFO] validating manifest of silvadanilo/rust-proxy 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 silvadanilo/rust-proxy 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 silvadanilo/rust-proxy [INFO] finished frobbing silvadanilo/rust-proxy [INFO] frobbed toml for silvadanilo/rust-proxy written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/silvadanilo/rust-proxy/Cargo.toml [INFO] started frobbing silvadanilo/rust-proxy [INFO] finished frobbing silvadanilo/rust-proxy [INFO] frobbed toml for silvadanilo/rust-proxy written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/silvadanilo/rust-proxy/Cargo.toml [INFO] crate silvadanilo/rust-proxy 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 silvadanilo/rust-proxy against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/silvadanilo/rust-proxy:/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] 4dc2acd7ee2ceef241834cec0eb3814fe0296a4426e48aabb6267b0e8f48d17e [INFO] running `"docker" "start" "-a" "4dc2acd7ee2ceef241834cec0eb3814fe0296a4426e48aabb6267b0e8f48d17e"` [INFO] [stderr] Checking net2 v0.2.26 [INFO] [stderr] Checking thread-id v3.0.0 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking aho-corasick v0.6.2 [INFO] [stderr] Checking thread_local v0.3.2 [INFO] [stderr] Checking mio v0.6.4 [INFO] [stderr] Checking regex v0.2.1 [INFO] [stderr] Checking tokio-core v0.1.4 [INFO] [stderr] Checking env_logger v0.4.0 [INFO] [stderr] Checking tokio-proto v0.1.0 [INFO] [stderr] Checking tokio-line v0.1.0 (https://github.com/tokio-rs/tokio-line#482614ae) [INFO] [stderr] Checking proxy v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `log::LogLevel` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use log::LogLevel; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `NotReady`, `Ready` [INFO] [stderr] --> src/main.rs:10:22 [INFO] [stderr] | [INFO] [stderr] 10 | use futures::Async::{NotReady, Ready}; [INFO] [stderr] | ^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `FutureResult`, `loop_fn`, `ok` [INFO] [stderr] --> src/main.rs:13:23 [INFO] [stderr] | [INFO] [stderr] 13 | use futures::future::{ok, loop_fn, Future, FutureResult, Loop}; [INFO] [stderr] | ^^ ^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::sync::mpsc::UnboundedReceiver` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use futures::sync::mpsc::UnboundedReceiver; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `finished` [INFO] [stderr] --> src/main.rs:16:15 [INFO] [stderr] | [INFO] [stderr] 16 | use futures::{finished, Stream, Sink, stream}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Borrow` [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use std::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Read`, `Write` [INFO] [stderr] --> src/main.rs:21:15 [INFO] [stderr] | [INFO] [stderr] 21 | use std::io::{Read, Write, ErrorKind}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::SocketAddr` [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use std::net::SocketAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `str` [INFO] [stderr] --> src/main.rs:24:15 [INFO] [stderr] | [INFO] [stderr] 24 | use std::{io, str}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Codec`, `EasyBuf`, `Framed` [INFO] [stderr] --> src/main.rs:25:26 [INFO] [stderr] | [INFO] [stderr] 25 | use tokio_core::io::{Io, Codec, EasyBuf, Framed}; [INFO] [stderr] | ^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:59:65 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn broadcast(&self, message: String) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:84:10 [INFO] [stderr] | [INFO] [stderr] 84 | ) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:216:5 [INFO] [stderr] | [INFO] [stderr] 216 | let clients = ConnectedClients::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `connToServer_clone` [INFO] [stderr] --> src/main.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | let connToServer_clone = connToServer.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_connToServer_clone` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `handle_clone` [INFO] [stderr] --> src/main.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | let handle_clone = handle.clone(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_handle_clone` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:89:9 [INFO] [stderr] | [INFO] [stderr] 89 | let mut i: u32 = 0; // i is always zero and in my case it's ok because I want to overwrite the last one [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: method is never used: `remove` [INFO] [stderr] --> src/main.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn remove(&self, i: &u32) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `connToServer` should have a snake case name [INFO] [stderr] --> src/main.rs:83:5 [INFO] [stderr] | [INFO] [stderr] 83 | connToServer: ConnectedClients [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `conn_to_server` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `connToServer_clone` should have a snake case name [INFO] [stderr] --> src/main.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | let connToServer_clone = connToServer.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `conn_to_server_clone` [INFO] [stderr] [INFO] [stderr] warning: variable `connToServer_clone` should have a snake case name [INFO] [stderr] --> src/main.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | let connToServer_clone = connToServer.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `conn_to_server_clone` [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `log::LogLevel` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use log::LogLevel; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `NotReady`, `Ready` [INFO] [stderr] --> src/main.rs:10:22 [INFO] [stderr] | [INFO] [stderr] 10 | use futures::Async::{NotReady, Ready}; [INFO] [stderr] | ^^^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `FutureResult`, `loop_fn`, `ok` [INFO] [stderr] --> src/main.rs:13:23 [INFO] [stderr] | [INFO] [stderr] 13 | use futures::future::{ok, loop_fn, Future, FutureResult, Loop}; [INFO] [stderr] | ^^ ^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `futures::sync::mpsc::UnboundedReceiver` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use futures::sync::mpsc::UnboundedReceiver; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `finished` [INFO] [stderr] --> src/main.rs:16:15 [INFO] [stderr] | [INFO] [stderr] 16 | use futures::{finished, Stream, Sink, stream}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::borrow::Borrow` [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use std::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Read`, `Write` [INFO] [stderr] --> src/main.rs:21:15 [INFO] [stderr] | [INFO] [stderr] 21 | use std::io::{Read, Write, ErrorKind}; [INFO] [stderr] | ^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::SocketAddr` [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use std::net::SocketAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `str` [INFO] [stderr] --> src/main.rs:24:15 [INFO] [stderr] | [INFO] [stderr] 24 | use std::{io, str}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Codec`, `EasyBuf`, `Framed` [INFO] [stderr] --> src/main.rs:25:26 [INFO] [stderr] | [INFO] [stderr] 25 | use tokio_core::io::{Io, Codec, EasyBuf, Framed}; [INFO] [stderr] | ^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:59:65 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn broadcast(&self, message: String) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:84:10 [INFO] [stderr] | [INFO] [stderr] 84 | ) -> Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:216:5 [INFO] [stderr] | [INFO] [stderr] 216 | let clients = ConnectedClients::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `connToServer_clone` [INFO] [stderr] --> src/main.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | let connToServer_clone = connToServer.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_connToServer_clone` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `handle_clone` [INFO] [stderr] --> src/main.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | let handle_clone = handle.clone(); [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_handle_clone` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:89:9 [INFO] [stderr] | [INFO] [stderr] 89 | let mut i: u32 = 0; // i is always zero and in my case it's ok because I want to overwrite the last one [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: method is never used: `remove` [INFO] [stderr] --> src/main.rs:55:5 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn remove(&self, i: &u32) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `connToServer` should have a snake case name [INFO] [stderr] --> src/main.rs:83:5 [INFO] [stderr] | [INFO] [stderr] 83 | connToServer: ConnectedClients [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `conn_to_server` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `connToServer_clone` should have a snake case name [INFO] [stderr] --> src/main.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | let connToServer_clone = connToServer.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `conn_to_server_clone` [INFO] [stderr] [INFO] [stderr] warning: variable `connToServer_clone` should have a snake case name [INFO] [stderr] --> src/main.rs:113:9 [INFO] [stderr] | [INFO] [stderr] 113 | let connToServer_clone = connToServer.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `conn_to_server_clone` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.12s [INFO] running `"docker" "inspect" "4dc2acd7ee2ceef241834cec0eb3814fe0296a4426e48aabb6267b0e8f48d17e"` [INFO] running `"docker" "rm" "-f" "4dc2acd7ee2ceef241834cec0eb3814fe0296a4426e48aabb6267b0e8f48d17e"` [INFO] [stdout] 4dc2acd7ee2ceef241834cec0eb3814fe0296a4426e48aabb6267b0e8f48d17e