[INFO] cloning repository colindjk/chatter_bug [INFO] running `"git" "clone" "--bare" "git://github.com/colindjk/chatter_bug.git" "work/cache/sources/gh/colindjk/chatter_bug"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/colindjk/chatter_bug'... [INFO] running `"git" "clone" "work/cache/sources/gh/colindjk/chatter_bug" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/colindjk/chatter_bug"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/colindjk/chatter_bug'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/colindjk/chatter_bug" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/colindjk/chatter_bug"` [INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/colindjk/chatter_bug'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7c8ec73cc6037f619f0d0dec5c0207f3bf65c6e9 [INFO] sha for GitHub repo colindjk/chatter_bug: 7c8ec73cc6037f619f0d0dec5c0207f3bf65c6e9 [INFO] validating manifest of colindjk/chatter_bug on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of colindjk/chatter_bug on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049 [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing colindjk/chatter_bug [INFO] finished frobbing colindjk/chatter_bug [INFO] frobbed toml for colindjk/chatter_bug written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/colindjk/chatter_bug/Cargo.toml [INFO] started frobbing colindjk/chatter_bug [INFO] finished frobbing colindjk/chatter_bug [INFO] frobbed toml for colindjk/chatter_bug written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/colindjk/chatter_bug/Cargo.toml [INFO] crate colindjk/chatter_bug already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/colindjk/chatter_bug/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking colindjk/chatter_bug against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008 [INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/colindjk/chatter_bug:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 46fa75998aa397f711894747d729acceefddafcf16b677c86d3ba4d27c62dbd2 [INFO] running `"docker" "start" "-a" "46fa75998aa397f711894747d729acceefddafcf16b677c86d3ba4d27c62dbd2"` [INFO] [stderr] Checking chat_service v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `mio::*` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use mio::*; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `mio::tcp::*` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use mio::tcp::*; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::SocketAddr` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::net::SocketAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc` [INFO] [stderr] --> src/server.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::mpsc; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::SocketAddr` [INFO] [stderr] --> src/client.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::net::SocketAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `server::*` [INFO] [stderr] --> src/client.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use server::*; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Sha1` [INFO] [stderr] --> src/serializer.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | use sha1::{ Sha1 }; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `mio::*` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use mio::*; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `mio::tcp::*` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use mio::tcp::*; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::SocketAddr` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::net::SocketAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc` [INFO] [stderr] --> src/server.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::mpsc; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::SocketAddr` [INFO] [stderr] --> src/client.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::net::SocketAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `server::*` [INFO] [stderr] --> src/client.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use server::*; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Sha1` [INFO] [stderr] --> src/serializer.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | use sha1::{ Sha1 }; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/server.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/client.rs:70:25 [INFO] [stderr] | [INFO] [stderr] 70 | Ok(Some(len)) => { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/server.rs:66:25 [INFO] [stderr] | [INFO] [stderr] 66 | let mut client = self.clients.get_mut(&token).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: variable does not need to be mutable [INFO] [stderr] --> src/server.rs:77:17 [INFO] [stderr] | [INFO] [stderr] 77 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/server.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | / pub fn new(new_socket: TcpListener, [INFO] [stderr] 23 | | new_clients: HashMap, [INFO] [stderr] 24 | | new_token_counter: usize) -> WebSocketServer { [INFO] [stderr] 25 | | WebSocketServer { [INFO] [stderr] ... | [INFO] [stderr] 29 | | } [INFO] [stderr] 30 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_socket` [INFO] [stderr] --> src/server.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn get_socket(&self) -> &TcpListener { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `http_parser` [INFO] [stderr] --> src/client.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | http_parser: Parser, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/server.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/client.rs:70:25 [INFO] [stderr] | [INFO] [stderr] 70 | Ok(Some(len)) => { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/server.rs:66:25 [INFO] [stderr] | [INFO] [stderr] 66 | let mut client = self.clients.get_mut(&token).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: variable does not need to be mutable [INFO] [stderr] --> src/server.rs:77:17 [INFO] [stderr] | [INFO] [stderr] 77 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/server.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | / pub fn new(new_socket: TcpListener, [INFO] [stderr] 23 | | new_clients: HashMap, [INFO] [stderr] 24 | | new_token_counter: usize) -> WebSocketServer { [INFO] [stderr] 25 | | WebSocketServer { [INFO] [stderr] ... | [INFO] [stderr] 29 | | } [INFO] [stderr] 30 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_socket` [INFO] [stderr] --> src/server.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn get_socket(&self) -> &TcpListener { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `http_parser` [INFO] [stderr] --> src/client.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | http_parser: Parser, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.08s [INFO] running `"docker" "inspect" "46fa75998aa397f711894747d729acceefddafcf16b677c86d3ba4d27c62dbd2"` [INFO] running `"docker" "rm" "-f" "46fa75998aa397f711894747d729acceefddafcf16b677c86d3ba4d27c62dbd2"` [INFO] [stdout] 46fa75998aa397f711894747d729acceefddafcf16b677c86d3ba4d27c62dbd2