[INFO] cloning repository https://github.com/mas-yo/ragtime-old [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mas-yo/ragtime-old" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmas-yo%2Fragtime-old", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmas-yo%2Fragtime-old'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f30656bb8dfb8c8f7015abd8aa5462a09a907b70 [INFO] checking mas-yo/ragtime-old against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmas-yo%2Fragtime-old" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mas-yo/ragtime-old on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mas-yo/ragtime-old [INFO] finished tweaking git repo https://github.com/mas-yo/ragtime-old [INFO] tweaked toml for git repo https://github.com/mas-yo/ragtime-old written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/mas-yo/ragtime-old already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded generic-array v0.12.4 [INFO] [stderr] Downloaded ws v0.9.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d8fc93306bfbe8efe4aecff54dd01a40442f8adc7ad335d8dc689deb3eef2802 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d8fc93306bfbe8efe4aecff54dd01a40442f8adc7ad335d8dc689deb3eef2802", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d8fc93306bfbe8efe4aecff54dd01a40442f8adc7ad335d8dc689deb3eef2802", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8fc93306bfbe8efe4aecff54dd01a40442f8adc7ad335d8dc689deb3eef2802", kill_on_drop: false }` [INFO] [stdout] d8fc93306bfbe8efe4aecff54dd01a40442f8adc7ad335d8dc689deb3eef2802 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d84254c3c877b8fabb42df66400a7bb1596ad182c31e965c66154c1c978ebaa8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d84254c3c877b8fabb42df66400a7bb1596ad182c31e965c66154c1c978ebaa8", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling httparse v1.4.0 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking ragtime v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `VecDeque` [INFO] [stdout] --> src/network.rs:5:33 [INFO] [stdout] | [INFO] [stdout] 5 | use std::collections::{HashMap, VecDeque}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `channel` [INFO] [stdout] --> src/network.rs:6:23 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::mpsc::{Sender, Receiver, channel}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rc`, `Weak` [INFO] [stdout] --> src/network.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use std::rc::{Weak, Rc}; [INFO] [stdout] | ^^^^ ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/network.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/network.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::ToSocketAddrs` [INFO] [stdout] --> src/network.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::net::ToSocketAddrs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::SocketAddr` [INFO] [stdout] --> src/network.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::net::SocketAddr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/network.rs:12:22 [INFO] [stdout] | [INFO] [stdout] 12 | use std::io::{Write, Read, BufReader, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BigEndian`, `ByteOrder` [INFO] [stdout] --> src/network.rs:15:23 [INFO] [stdout] | [INFO] [stdout] 15 | use self::byteorder::{BigEndian, ByteOrder}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader`, `Read`, `Write` [INFO] [stdout] --> src/string_message.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{Write, Read, BufReader, BufRead}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::PartialEq` [INFO] [stdout] --> src/room.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::PartialEq; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/room.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Receiver` [INFO] [stdout] --> src/room.rs:6:30 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::mpsc::{Sender,Receiver}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `VecDeque` [INFO] [stdout] --> src/network.rs:5:33 [INFO] [stdout] | [INFO] [stdout] 5 | use std::collections::{HashMap, VecDeque}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `channel` [INFO] [stdout] --> src/network.rs:6:23 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::mpsc::{Sender, Receiver, channel}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rc`, `Weak` [INFO] [stdout] --> src/network.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 7 | use std::rc::{Weak, Rc}; [INFO] [stdout] | ^^^^ ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/network.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/network.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::ToSocketAddrs` [INFO] [stdout] --> src/network.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::net::ToSocketAddrs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::net::SocketAddr` [INFO] [stdout] --> src/network.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::net::SocketAddr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/network.rs:12:22 [INFO] [stdout] | [INFO] [stdout] 12 | use std::io::{Write, Read, BufReader, BufRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BigEndian`, `ByteOrder` [INFO] [stdout] --> src/network.rs:15:23 [INFO] [stdout] | [INFO] [stdout] 15 | use self::byteorder::{BigEndian, ByteOrder}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader`, `Read`, `Write` [INFO] [stdout] --> src/string_message.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{Write, Read, BufReader, BufRead}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::PartialEq` [INFO] [stdout] --> src/room.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::PartialEq; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/room.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Receiver` [INFO] [stdout] --> src/room.rs:6:30 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::mpsc::{Sender,Receiver}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/network.rs:89:17 [INFO] [stdout] | [INFO] [stdout] 89 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [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/network.rs:82:21 [INFO] [stdout] | [INFO] [stdout] 82 | let mut conn = Connection::new(self.next_conn_id, stream); [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: `e` [INFO] [stdout] --> src/network.rs:89:17 [INFO] [stdout] | [INFO] [stdout] 89 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [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/network.rs:82:21 [INFO] [stdout] | [INFO] [stdout] 82 | let mut conn = Connection::new(self.next_conn_id, stream); [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: field is never read: `id` [INFO] [stdout] --> src/network.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | id: ConnectionID, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `id` [INFO] [stdout] --> src/network.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | id: ConnectionID, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/network.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | self.send_stream.write_all(data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/network.rs:81:17 [INFO] [stdout] | [INFO] [stdout] 81 | stream.set_nonblocking(true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/string_message.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | reader.read_line(&mut self.body); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/network.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | self.send_stream.write_all(data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/network.rs:81:17 [INFO] [stdout] | [INFO] [stdout] 81 | stream.set_nonblocking(true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/string_message.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | reader.read_line(&mut self.body); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking ws v0.9.1 [INFO] [stderr] Checking ragtime-sample1 v0.1.0 (/opt/rustwide/workdir/ragtime_sample1) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> ragtime_sample1/src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> ragtime_sample1/src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `room_tx` [INFO] [stdout] --> ragtime_sample1/src/main.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | let room_tx = room::start_thread::(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_tx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shake` [INFO] [stdout] --> ragtime_sample1/src/main.rs:48:27 [INFO] [stdout] | [INFO] [stdout] 48 | fn on_open(&mut self, shake: ws::Handshake) -> ws::Result<()> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shake` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `room_tx` [INFO] [stdout] --> ragtime_sample1/src/main.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | let room_tx = room::start_thread::(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_tx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `code` [INFO] [stdout] --> ragtime_sample1/src/main.rs:63:28 [INFO] [stdout] | [INFO] [stdout] 63 | fn on_close(&mut self, code: ws::CloseCode, reason: &str) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_code` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reason` [INFO] [stdout] --> ragtime_sample1/src/main.rs:63:49 [INFO] [stdout] | [INFO] [stdout] 63 | fn on_close(&mut self, code: ws::CloseCode, reason: &str) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shake` [INFO] [stdout] --> ragtime_sample1/src/main.rs:48:27 [INFO] [stdout] | [INFO] [stdout] 48 | fn on_open(&mut self, shake: ws::Handshake) -> ws::Result<()> { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_shake` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> ragtime_sample1/src/main.rs:66:28 [INFO] [stdout] | [INFO] [stdout] 66 | fn on_error(&mut self, err: ws::Error) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `code` [INFO] [stdout] --> ragtime_sample1/src/main.rs:63:28 [INFO] [stdout] | [INFO] [stdout] 63 | fn on_close(&mut self, code: ws::CloseCode, reason: &str) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_code` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reason` [INFO] [stdout] --> ragtime_sample1/src/main.rs:63:49 [INFO] [stdout] | [INFO] [stdout] 63 | fn on_close(&mut self, code: ws::CloseCode, reason: &str) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> ragtime_sample1/src/game/mod.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | fn new(id:room::RoomID) -> Sample1Room { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> ragtime_sample1/src/main.rs:66:28 [INFO] [stdout] | [INFO] [stdout] 66 | fn on_error(&mut self, err: ws::Error) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `commands` [INFO] [stdout] --> ragtime_sample1/src/game/mod.rs:18:26 [INFO] [stdout] | [INFO] [stdout] 18 | fn update(&mut self, commands:Vec) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_commands` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> ragtime_sample1/src/game/mod.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | fn new(id:room::RoomID) -> Sample1Room { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `commands` [INFO] [stdout] --> ragtime_sample1/src/game/mod.rs:18:26 [INFO] [stdout] | [INFO] [stdout] 18 | fn update(&mut self, commands:Vec) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_commands` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `PlayerID` [INFO] [stdout] --> ragtime_sample1/src/game/mod.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | pub type PlayerID = u64; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> ragtime_sample1/src/main.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn new(tx:mpsc::Sender) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `PlayerID` [INFO] [stdout] --> ragtime_sample1/src/game/mod.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | pub type PlayerID = u64; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> ragtime_sample1/src/main.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | fn new(tx:mpsc::Sender) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> ragtime_sample1/src/main.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | self.tx.send(msg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> ragtime_sample1/src/main.rs:57:17 [INFO] [stdout] | [INFO] [stdout] 57 | self.tx.send(msg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.16s [INFO] running `Command { std: "docker" "inspect" "d84254c3c877b8fabb42df66400a7bb1596ad182c31e965c66154c1c978ebaa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d84254c3c877b8fabb42df66400a7bb1596ad182c31e965c66154c1c978ebaa8", kill_on_drop: false }` [INFO] [stdout] d84254c3c877b8fabb42df66400a7bb1596ad182c31e965c66154c1c978ebaa8