[INFO] cloning repository https://github.com/michealkeines/TCP-Messenger [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michealkeines/TCP-Messenger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichealkeines%2FTCP-Messenger", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichealkeines%2FTCP-Messenger'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c8e8304cda05e0e016056e43dd0544a2cfcaab66 [INFO] checking michealkeines/TCP-Messenger against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichealkeines%2FTCP-Messenger" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/michealkeines/TCP-Messenger on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/michealkeines/TCP-Messenger [INFO] finished tweaking git repo https://github.com/michealkeines/TCP-Messenger [INFO] tweaked toml for git repo https://github.com/michealkeines/TCP-Messenger written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/michealkeines/TCP-Messenger 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam v0.7.3 [INFO] [stderr] Downloaded crossbeam-deque v0.7.4 [INFO] [stderr] Downloaded crossbeam-queue v0.2.3 [INFO] [stderr] Downloaded maybe-uninit v2.0.0 [INFO] [stderr] Downloaded memoffset v0.5.6 [INFO] [stderr] Downloaded crossbeam-utils v0.7.2 [INFO] [stderr] Downloaded scopeguard v1.1.0 [INFO] [stderr] Downloaded clap_lex v0.2.0 [INFO] [stderr] Downloaded winapi-util v0.1.5 [INFO] [stderr] Downloaded os_str_bytes v6.1.0 [INFO] [stderr] Downloaded termcolor v1.1.3 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.2 [INFO] [stderr] Downloaded hermit-abi v0.1.19 [INFO] [stderr] Downloaded textwrap v0.15.0 [INFO] [stderr] Downloaded hashbrown v0.11.2 [INFO] [stderr] Downloaded indexmap v1.8.2 [INFO] [stderr] Downloaded clap v3.1.18 [INFO] [stderr] Downloaded crossbeam-channel v0.4.4 [INFO] [stderr] Downloaded libc v0.2.126 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 227f8118c4f7fa083aa40e4c22fcbf5679443b255e0fb45435298d2798275589 [INFO] running `Command { std: "docker" "start" "-a" "227f8118c4f7fa083aa40e4c22fcbf5679443b255e0fb45435298d2798275589", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "227f8118c4f7fa083aa40e4c22fcbf5679443b255e0fb45435298d2798275589", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "227f8118c4f7fa083aa40e4c22fcbf5679443b255e0fb45435298d2798275589", kill_on_drop: false }` [INFO] [stdout] 227f8118c4f7fa083aa40e4c22fcbf5679443b255e0fb45435298d2798275589 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb8b757d8b3d8771575b8ac81f27cae03b838aa847a18b63de0de9fb27e69e98 [INFO] running `Command { std: "docker" "start" "-a" "cb8b757d8b3d8771575b8ac81f27cae03b838aa847a18b63de0de9fb27e69e98", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking messenger v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/receiver.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Instant` [INFO] [stdout] --> src/sender.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::time::Instant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ipv4Addr`, `Shutdown`, `SocketAddrV4`, `SocketAddr`, `TcpStream` [INFO] [stdout] --> src/network.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | TcpStream, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 4 | Ipv4Addr, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 5 | SocketAddr, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 6 | SocketAddrV4, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 7 | Shutdown [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ipv4Addr`, `Shutdown`, `SocketAddrV4`, `SocketAddr`, `TcpStream` [INFO] [stdout] --> src/server.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | TcpStream, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 4 | Ipv4Addr, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 5 | SocketAddr, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 6 | SocketAddrV4, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 7 | Shutdown [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `Write`, `self` [INFO] [stdout] --> src/server.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | use std::io::{ self, Read, Write }; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/server.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/server.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::marker::Sized` [INFO] [stdout] --> src/server.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use std::marker::Sized; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::server` [INFO] [stdout] --> src/server.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::server; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ipv4Addr`, `Shutdown`, `SocketAddrV4`, `SocketAddr`, `TcpStream` [INFO] [stdout] --> src/network.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | TcpStream, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 4 | Ipv4Addr, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 5 | SocketAddr, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 6 | SocketAddrV4, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 7 | Shutdown [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ipv4Addr`, `Shutdown`, `SocketAddrV4`, `SocketAddr`, `TcpStream` [INFO] [stdout] --> src/server.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | TcpStream, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 4 | Ipv4Addr, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 5 | SocketAddr, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 6 | SocketAddrV4, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 7 | Shutdown [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read`, `Write`, `self` [INFO] [stdout] --> src/server.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | use std::io::{ self, Read, Write }; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/server.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/server.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::marker::Sized` [INFO] [stdout] --> src/server.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use std::marker::Sized; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::server` [INFO] [stdout] --> src/server.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use crate::server; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/server.rs:52:29 [INFO] [stdout] | [INFO] [stdout] 52 | let c = temp.clone(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/server.rs:52:29 [INFO] [stdout] | [INFO] [stdout] 52 | let c = temp.clone(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/receiver.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct ReceiveMessage { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 5 | data: Message [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/sender.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct SendMessage { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 5 | data: Message [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | stream.set_read_timeout(Some(std::time::Duration::from_millis(300))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = stream.set_read_timeout(Some(std::time::Duration::from_millis(300))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/user.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | lock.write(&msg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 83 | let _ = lock.write(&msg); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/user.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | lock_stream.set_read_timeout(Some(time::Duration::from_millis(150))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 96 | let _ = lock_stream.set_read_timeout(Some(time::Duration::from_millis(150))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/user.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | lock_stream.read_exact(&mut temp[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 97 | let _ = lock_stream.read_exact(&mut temp[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | stream.set_read_timeout(Some(std::time::Duration::from_millis(300))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = stream.set_read_timeout(Some(std::time::Duration::from_millis(300))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/user.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | lock.write(&msg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 83 | let _ = lock.write(&msg); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/user.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | lock_stream.set_read_timeout(Some(time::Duration::from_millis(150))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 96 | let _ = lock_stream.set_read_timeout(Some(time::Duration::from_millis(150))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/user.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | lock_stream.read_exact(&mut temp[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 97 | let _ = lock_stream.read_exact(&mut temp[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::stdin` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::stdin; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::stdin` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::stdin; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:45:25 [INFO] [stdout] | [INFO] [stdout] 45 | let v = std::io::stdin().read_line(&mut line).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:45:25 [INFO] [stdout] | [INFO] [stdout] 45 | let v = std::io::stdin().read_line(&mut line).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.81s [INFO] running `Command { std: "docker" "inspect" "cb8b757d8b3d8771575b8ac81f27cae03b838aa847a18b63de0de9fb27e69e98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb8b757d8b3d8771575b8ac81f27cae03b838aa847a18b63de0de9fb27e69e98", kill_on_drop: false }` [INFO] [stdout] cb8b757d8b3d8771575b8ac81f27cae03b838aa847a18b63de0de9fb27e69e98 [INFO] checking michealkeines/TCP-Messenger against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichealkeines%2FTCP-Messenger" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/michealkeines/TCP-Messenger on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/michealkeines/TCP-Messenger [INFO] finished tweaking git repo https://github.com/michealkeines/TCP-Messenger [INFO] tweaked toml for git repo https://github.com/michealkeines/TCP-Messenger written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/michealkeines/TCP-Messenger 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b29f6ae344271c17d2171bccb615d43c96fa6de6d1a9a5be306762a6ce26eb7c [INFO] running `Command { std: "docker" "start" "-a" "b29f6ae344271c17d2171bccb615d43c96fa6de6d1a9a5be306762a6ce26eb7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b29f6ae344271c17d2171bccb615d43c96fa6de6d1a9a5be306762a6ce26eb7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b29f6ae344271c17d2171bccb615d43c96fa6de6d1a9a5be306762a6ce26eb7c", kill_on_drop: false }` [INFO] [stdout] b29f6ae344271c17d2171bccb615d43c96fa6de6d1a9a5be306762a6ce26eb7c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c2882ff40b3ff3123c3e1f3255e5369af3bcc92213949488d0bc92ec7acacad [INFO] running `Command { std: "docker" "start" "-a" "1c2882ff40b3ff3123c3e1f3255e5369af3bcc92213949488d0bc92ec7acacad", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking os_str_bytes v6.1.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking messenger v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2021 edition to 2024 [INFO] [stderr] Fixed src/network.rs (1 fix) [INFO] [stderr] Fixed src/server.rs (6 fixes) [INFO] [stderr] Fixed src/receiver.rs (1 fix) [INFO] [stderr] Fixed src/sender.rs (1 fix) [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/server.rs:42:29 [INFO] [stdout] | [INFO] [stdout] 42 | let c = temp.clone(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/receiver.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct ReceiveMessage { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 4 | data: Message [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/sender.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct SendMessage { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 4 | data: Message [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | stream.set_read_timeout(Some(std::time::Duration::from_millis(300))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 19 | let _ = stream.set_read_timeout(Some(std::time::Duration::from_millis(300))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/user.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | lock.write(&msg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 83 | let _ = lock.write(&msg); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/user.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | lock_stream.set_read_timeout(Some(time::Duration::from_millis(150))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 96 | let _ = lock_stream.set_read_timeout(Some(time::Duration::from_millis(150))); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/user.rs:97:13 [INFO] [stdout] | [INFO] [stdout] 97 | lock_stream.read_exact(&mut temp[..]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 97 | let _ = lock_stream.read_exact(&mut temp[..]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Instant` [INFO] [stdout] --> src/receiver.rs:14:20 [INFO] [stdout] | [INFO] [stdout] 14 | let time = Instant::now(); [INFO] [stdout] | ^^^^^^^ use of undeclared type `Instant` [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 9 + use std::time::Instant; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating src/main.rs from 2021 edition to 2024 [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Instant` [INFO] [stdout] --> src/sender.rs:14:20 [INFO] [stdout] | [INFO] [stdout] 14 | let time = Instant::now(); [INFO] [stdout] | ^^^^^^^ use of undeclared type `Instant` [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 9 + use std::time::Instant; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/server.rs:42:29 [INFO] [stdout] | [INFO] [stdout] 42 | let c = temp.clone(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `messenger` (lib test) due to 3 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] Fixed src/main.rs (1 fix) [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:44:25 [INFO] [stdout] | [INFO] [stdout] 44 | let v = std::io::stdin().read_line(&mut line).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/main.rs:44:25 [INFO] [stdout] | [INFO] [stdout] 44 | let v = std::io::stdin().read_line(&mut line).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "1c2882ff40b3ff3123c3e1f3255e5369af3bcc92213949488d0bc92ec7acacad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c2882ff40b3ff3123c3e1f3255e5369af3bcc92213949488d0bc92ec7acacad", kill_on_drop: false }` [INFO] [stdout] 1c2882ff40b3ff3123c3e1f3255e5369af3bcc92213949488d0bc92ec7acacad