[INFO] cloning repository https://github.com/Rohan-572/loadbalancerwithclidemo.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rohan-572/loadbalancerwithclidemo.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRohan-572%2Floadbalancerwithclidemo.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRohan-572%2Floadbalancerwithclidemo.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 331516df43b7d4ea5d2c71feb6ac8f2cd3f7b1db [INFO] checking Rohan-572/loadbalancerwithclidemo.rs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRohan-572%2Floadbalancerwithclidemo.rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Rohan-572/loadbalancerwithclidemo.rs [INFO] finished tweaking git repo https://github.com/Rohan-572/loadbalancerwithclidemo.rs [INFO] tweaked toml for git repo https://github.com/Rohan-572/loadbalancerwithclidemo.rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Rohan-572/loadbalancerwithclidemo.rs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Rohan-572/loadbalancerwithclidemo.rs 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 562ce4562ff5cf984b6f6ba4bf6f9793be341a0bd8bf0565f939deb450c29ffb [INFO] running `Command { std: "docker" "start" "-a" "562ce4562ff5cf984b6f6ba4bf6f9793be341a0bd8bf0565f939deb450c29ffb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "562ce4562ff5cf984b6f6ba4bf6f9793be341a0bd8bf0565f939deb450c29ffb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "562ce4562ff5cf984b6f6ba4bf6f9793be341a0bd8bf0565f939deb450c29ffb", kill_on_drop: false }` [INFO] [stdout] 562ce4562ff5cf984b6f6ba4bf6f9793be341a0bd8bf0565f939deb450c29ffb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b1841d52db5d2aa48ea0108d18fdae264c9d903e40b639bc03176743a15847c [INFO] running `Command { std: "docker" "start" "-a" "5b1841d52db5d2aa48ea0108d18fdae264c9d903e40b639bc03176743a15847c", kill_on_drop: false }` [INFO] [stderr] Checking bytes v1.6.1 [INFO] [stderr] Compiling syn v2.0.71 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking http v0.2.12 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Compiling tokio-macros v2.3.0 [INFO] [stderr] Checking tokio v1.38.1 [INFO] [stderr] Checking tokio-util v0.7.11 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking hyper v0.14.30 [INFO] [stderr] Checking load_balancer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::oneshot` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio::sync::oneshot; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::oneshot` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio::sync::oneshot; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:115:20 [INFO] [stdout] | [INFO] [stdout] 115 | async move { [INFO] [stdout] | ____________________^ [INFO] [stdout] 116 | | Ok::<_, Infallible>(service_fn(move |req| { [INFO] [stdout] 117 | | let load_balancer = load_balancer.clone(); [INFO] [stdout] 118 | | async move { [INFO] [stdout] ... | [INFO] [stdout] 130 | | })) [INFO] [stdout] 131 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | / Ok::<_, Infallible>(service_fn(move |req| { [INFO] [stdout] 117 | | let load_balancer = load_balancer.clone(); [INFO] [stdout] 118 | | async move { [INFO] [stdout] 119 | | match forward_request(req, load_balancer).await { [INFO] [stdout] ... | [INFO] [stdout] 130 | | })) [INFO] [stdout] | |_______________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:118:28 [INFO] [stdout] | [INFO] [stdout] 118 | async move { [INFO] [stdout] | ____________________________^ [INFO] [stdout] 119 | | match forward_request(req, load_balancer).await { [INFO] [stdout] 120 | | Ok(response) => Ok(response), [INFO] [stdout] 121 | | Err(e) => { [INFO] [stdout] ... | [INFO] [stdout] 129 | | } [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:119:21 [INFO] [stdout] | [INFO] [stdout] 119 | / match forward_request(req, load_balancer).await { [INFO] [stdout] 120 | | Ok(response) => Ok(response), [INFO] [stdout] 121 | | Err(e) => { [INFO] [stdout] 122 | | eprintln!("Request failed: {}", e); [INFO] [stdout] ... | [INFO] [stdout] 128 | | } [INFO] [stdout] | |_____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:120:41 [INFO] [stdout] | [INFO] [stdout] 120 | Ok(response) => Ok(response), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:121:35 [INFO] [stdout] | [INFO] [stdout] 121 | Err(e) => { [INFO] [stdout] | ___________________________________^ [INFO] [stdout] 122 | | eprintln!("Request failed: {}", e); [INFO] [stdout] 123 | | Ok::<_, Infallible>(Response::builder() [INFO] [stdout] 124 | | .status(StatusCode::INTERNAL_SERVER_ERROR) [INFO] [stdout] 125 | | .body(Body::from("Internal Server Error")) [INFO] [stdout] 126 | | .unwrap()) [INFO] [stdout] 127 | | } [INFO] [stdout] | |_________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:123:29 [INFO] [stdout] | [INFO] [stdout] 123 | / ... Ok::<_, Infallible>(Response::builder() [INFO] [stdout] 124 | | ... .status(StatusCode::INTERNAL_SERVER_ERROR) [INFO] [stdout] 125 | | ... .body(Body::from("Internal Server Error")) [INFO] [stdout] 126 | | ... .unwrap()) [INFO] [stdout] | |____________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `load_balancer` (bin "load_balancer" test) due to 7 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:115:20 [INFO] [stdout] | [INFO] [stdout] 115 | async move { [INFO] [stdout] | ____________________^ [INFO] [stdout] 116 | | Ok::<_, Infallible>(service_fn(move |req| { [INFO] [stdout] 117 | | let load_balancer = load_balancer.clone(); [INFO] [stdout] 118 | | async move { [INFO] [stdout] ... | [INFO] [stdout] 130 | | })) [INFO] [stdout] 131 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | / Ok::<_, Infallible>(service_fn(move |req| { [INFO] [stdout] 117 | | let load_balancer = load_balancer.clone(); [INFO] [stdout] 118 | | async move { [INFO] [stdout] 119 | | match forward_request(req, load_balancer).await { [INFO] [stdout] ... | [INFO] [stdout] 130 | | })) [INFO] [stdout] | |_______________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:118:28 [INFO] [stdout] | [INFO] [stdout] 118 | async move { [INFO] [stdout] | ____________________________^ [INFO] [stdout] 119 | | match forward_request(req, load_balancer).await { [INFO] [stdout] 120 | | Ok(response) => Ok(response), [INFO] [stdout] 121 | | Err(e) => { [INFO] [stdout] ... | [INFO] [stdout] 129 | | } [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:119:21 [INFO] [stdout] | [INFO] [stdout] 119 | / match forward_request(req, load_balancer).await { [INFO] [stdout] 120 | | Ok(response) => Ok(response), [INFO] [stdout] 121 | | Err(e) => { [INFO] [stdout] 122 | | eprintln!("Request failed: {}", e); [INFO] [stdout] ... | [INFO] [stdout] 128 | | } [INFO] [stdout] | |_____________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:120:41 [INFO] [stdout] | [INFO] [stdout] 120 | Ok(response) => Ok(response), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:121:35 [INFO] [stdout] | [INFO] [stdout] 121 | Err(e) => { [INFO] [stdout] | ___________________________________^ [INFO] [stdout] 122 | | eprintln!("Request failed: {}", e); [INFO] [stdout] 123 | | Ok::<_, Infallible>(Response::builder() [INFO] [stdout] 124 | | .status(StatusCode::INTERNAL_SERVER_ERROR) [INFO] [stdout] 125 | | .body(Body::from("Internal Server Error")) [INFO] [stdout] 126 | | .unwrap()) [INFO] [stdout] 127 | | } [INFO] [stdout] | |_________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:123:29 [INFO] [stdout] | [INFO] [stdout] 123 | / ... Ok::<_, Infallible>(Response::builder() [INFO] [stdout] 124 | | ... .status(StatusCode::INTERNAL_SERVER_ERROR) [INFO] [stdout] 125 | | ... .body(Body::from("Internal Server Error")) [INFO] [stdout] 126 | | ... .unwrap()) [INFO] [stdout] | |____________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `load_balancer` (bin "load_balancer") due to 7 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5b1841d52db5d2aa48ea0108d18fdae264c9d903e40b639bc03176743a15847c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b1841d52db5d2aa48ea0108d18fdae264c9d903e40b639bc03176743a15847c", kill_on_drop: false }` [INFO] [stdout] 5b1841d52db5d2aa48ea0108d18fdae264c9d903e40b639bc03176743a15847c