[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 master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmas-yo%2Fragtime-old" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mas-yo/ragtime-old on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mas-yo/ragtime-old [INFO] removed workspace from 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-8/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8f124921dde5a34df30c31d91d8d7aa2fae4068538a045ff94f8c21187b8bf81 [INFO] running `Command { std: "docker" "start" "-a" "8f124921dde5a34df30c31d91d8d7aa2fae4068538a045ff94f8c21187b8bf81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f124921dde5a34df30c31d91d8d7aa2fae4068538a045ff94f8c21187b8bf81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f124921dde5a34df30c31d91d8d7aa2fae4068538a045ff94f8c21187b8bf81", kill_on_drop: false }` [INFO] [stdout] 8f124921dde5a34df30c31d91d8d7aa2fae4068538a045ff94f8c21187b8bf81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d1497f220c12f9fb4d14ba8d1805dda8456a9417f82f8a9a05c89c07e7068b1 [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" "7d1497f220c12f9fb4d14ba8d1805dda8456a9417f82f8a9a05c89c07e7068b1", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.26 [INFO] [stderr] Checking lazy_static v0.2.8 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking regex-syntax v0.4.1 [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Checking regex v0.2.2 [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 `#[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 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: 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 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: unused `std::result::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 `std::result::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 `std::result::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: unused `std::result::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 `std::result::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 `std::result::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] Finished dev [unoptimized + debuginfo] target(s) in 5.65s [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7d1497f220c12f9fb4d14ba8d1805dda8456a9417f82f8a9a05c89c07e7068b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d1497f220c12f9fb4d14ba8d1805dda8456a9417f82f8a9a05c89c07e7068b1", kill_on_drop: false }` [INFO] [stdout] 7d1497f220c12f9fb4d14ba8d1805dda8456a9417f82f8a9a05c89c07e7068b1