[INFO] cloning repository https://github.com/latisaron/rusty-redis [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/latisaron/rusty-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flatisaron%2Frusty-redis", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flatisaron%2Frusty-redis'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f2c73aa9cbab28ccd495562c75f02347d8f37517 [INFO] checking latisaron/rusty-redis against try#2b43d8e161cfe46fae25518efb124c3c1d0fa392 for pr-145604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flatisaron%2Frusty-redis" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/latisaron/rusty-redis [INFO] finished tweaking git repo https://github.com/latisaron/rusty-redis [INFO] tweaked toml for git repo https://github.com/latisaron/rusty-redis written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/latisaron/rusty-redis on toolchain 2b43d8e161cfe46fae25518efb124c3c1d0fa392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/latisaron/rusty-redis 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" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39ff6525c73d4cbadbbc3e9b3ae9d92b26e722ebb32926880c2f33910cb73425 [INFO] running `Command { std: "docker" "start" "-a" "39ff6525c73d4cbadbbc3e9b3ae9d92b26e722ebb32926880c2f33910cb73425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39ff6525c73d4cbadbbc3e9b3ae9d92b26e722ebb32926880c2f33910cb73425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39ff6525c73d4cbadbbc3e9b3ae9d92b26e722ebb32926880c2f33910cb73425", kill_on_drop: false }` [INFO] [stdout] 39ff6525c73d4cbadbbc3e9b3ae9d92b26e722ebb32926880c2f33910cb73425 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+2b43d8e161cfe46fae25518efb124c3c1d0fa392" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c490db65c3b7fa211c81543bc42f7fb7bb057ceb994cd29b5c5befec133c2e66 [INFO] running `Command { std: "docker" "start" "-a" "c490db65c3b7fa211c81543bc42f7fb7bb057ceb994cd29b5c5befec133c2e66", kill_on_drop: false }` [INFO] [stderr] Checking rusty-redis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::any::type_name` [INFO] [stdout] --> src/serializer.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::type_name; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::Error` [INFO] [stdout] --> src/server.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, fmt::Error, net::{TcpListener, TcpStream}}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::any::type_name` [INFO] [stdout] --> src/serializer.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::type_name; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::Error` [INFO] [stdout] --> src/server.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, fmt::Error, net::{TcpListener, TcpStream}}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/serializer.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | _ => {} [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/serializer.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 25 | Value::Null => { [INFO] [stdout] | ----------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 28 | Value::NullArray => { [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 31 | Value::String(internal) => { [INFO] [stdout] | ----------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 34 | Value::Error(internal) => { [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 50 | _ => {} [INFO] [stdout] | ^ ...and 3 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/serializer.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | _ => {} [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/serializer.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 25 | Value::Null => { [INFO] [stdout] | ----------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 28 | Value::NullArray => { [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 31 | Value::String(internal) => { [INFO] [stdout] | ----------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 34 | Value::Error(internal) => { [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 50 | _ => {} [INFO] [stdout] | ^ ...and 3 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let mut new_hashmap = HashMap::::new(); [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: struct `Response` is never constructed [INFO] [stdout] --> src/server.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Response {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Request` is never constructed [INFO] [stdout] --> src/server.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Request {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Server::new(String::from("127.0.0.1"), String::from("3000")).expect("Aron").start(); [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] 7 | let _ = Server::new(String::from("127.0.0.1"), String::from("3000")).expect("Aron").start(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | server_clone.handle_client(&mut stream?); [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] 106 | let _ = server_clone.handle_client(&mut stream?); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let mut new_hashmap = HashMap::::new(); [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: struct `Response` is never constructed [INFO] [stdout] --> src/server.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct Response {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Request` is never constructed [INFO] [stdout] --> src/server.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Request {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Server::new(String::from("127.0.0.1"), String::from("3000")).expect("Aron").start(); [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] 7 | let _ = Server::new(String::from("127.0.0.1"), String::from("3000")).expect("Aron").start(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:106:17 [INFO] [stdout] | [INFO] [stdout] 106 | server_clone.handle_client(&mut stream?); [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] 106 | let _ = server_clone.handle_client(&mut stream?); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "c490db65c3b7fa211c81543bc42f7fb7bb057ceb994cd29b5c5befec133c2e66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c490db65c3b7fa211c81543bc42f7fb7bb057ceb994cd29b5c5befec133c2e66", kill_on_drop: false }` [INFO] [stdout] c490db65c3b7fa211c81543bc42f7fb7bb057ceb994cd29b5c5befec133c2e66