[INFO] cloning repository https://github.com/nicktretyakov/MLbalancer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicktretyakov/MLbalancer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicktretyakov%2FMLbalancer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicktretyakov%2FMLbalancer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1bf6bae9eada1445725cd96b1c32f0679b4a0d05 [INFO] checking nicktretyakov/MLbalancer 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%2Fnicktretyakov%2FMLbalancer" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/nicktretyakov/MLbalancer [INFO] finished tweaking git repo https://github.com/nicktretyakov/MLbalancer [INFO] tweaked toml for git repo https://github.com/nicktretyakov/MLbalancer written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/nicktretyakov/MLbalancer 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/nicktretyakov/MLbalancer 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] eb236120ffea478e6bb39497c4dbc85aec13ab163ccfdb835446c30179b8f8ea [INFO] running `Command { std: "docker" "start" "-a" "eb236120ffea478e6bb39497c4dbc85aec13ab163ccfdb835446c30179b8f8ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eb236120ffea478e6bb39497c4dbc85aec13ab163ccfdb835446c30179b8f8ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb236120ffea478e6bb39497c4dbc85aec13ab163ccfdb835446c30179b8f8ea", kill_on_drop: false }` [INFO] [stdout] eb236120ffea478e6bb39497c4dbc85aec13ab163ccfdb835446c30179b8f8ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e07f61f7bd898bb0fddfaa7a2c8fc764398ec2f9c894fe40bcfd4f7f708ade86 [INFO] running `Command { std: "docker" "start" "-a" "e07f61f7bd898bb0fddfaa7a2c8fc764398ec2f9c894fe40bcfd4f7f708ade86", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.173 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Compiling syn v2.0.103 [INFO] [stderr] Checking tracing-core v0.1.34 [INFO] [stderr] Checking hashbrown v0.15.4 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking indexmap v2.9.0 [INFO] [stderr] Checking parking_lot_core v0.9.11 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Checking mio v1.0.4 [INFO] [stderr] Checking signal-hook-registry v1.4.5 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Checking tokio v1.45.1 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.8.0 [INFO] [stderr] Checking zerovec v0.11.2 [INFO] [stderr] Checking zerotrie v0.2.2 [INFO] [stderr] Checking tinystr v0.8.1 [INFO] [stderr] Checking potential_utf v0.1.2 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking icu_collections v2.0.0 [INFO] [stderr] Checking icu_locale_core v2.0.0 [INFO] [stderr] Checking icu_provider v2.0.0 [INFO] [stderr] Checking icu_normalizer v2.0.0 [INFO] [stderr] Checking icu_properties v2.0.1 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking tokio-util v0.7.15 [INFO] [stderr] Checking h2 v0.3.26 [INFO] [stderr] Checking hyper v0.14.32 [INFO] [stderr] Checking balancer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:617:41 [INFO] [stdout] | [INFO] [stdout] 617 | ) -> Result, Infallible> { [INFO] [stdout] | _________________________________________^ [INFO] [stdout] 618 | | if req.uri().path() == "/lb-analytics" && req.method() == Method::GET { [INFO] [stdout] 619 | | return Ok(load_balancer.get_analytics().await); [INFO] [stdout] ... | [INFO] [stdout] 662 | | } [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:617:41 [INFO] [stdout] | [INFO] [stdout] 617 | ) -> Result, Infallible> { [INFO] [stdout] | _________________________________________^ [INFO] [stdout] 618 | | if req.uri().path() == "/lb-analytics" && req.method() == Method::GET { [INFO] [stdout] 619 | | return Ok(load_balancer.get_analytics().await); [INFO] [stdout] ... | [INFO] [stdout] 662 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:619:16 [INFO] [stdout] | [INFO] [stdout] 619 | return Ok(load_balancer.get_analytics().await); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:622:5 [INFO] [stdout] | [INFO] [stdout] 622 | / match load_balancer.serve(req).await { [INFO] [stdout] 623 | | Ok(response) => Ok(response), [INFO] [stdout] 624 | | Err(e) => { [INFO] [stdout] 625 | | eprintln!("Load balancer error: {}", e); [INFO] [stdout] ... | [INFO] [stdout] 661 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:623:25 [INFO] [stdout] | [INFO] [stdout] 623 | 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:624:19 [INFO] [stdout] | [INFO] [stdout] 624 | Err(e) => { [INFO] [stdout] | ___________________^ [INFO] [stdout] 625 | | eprintln!("Load balancer error: {}", e); [INFO] [stdout] 626 | | [INFO] [stdout] 627 | | let (status, message) = match e { [INFO] [stdout] ... | [INFO] [stdout] 659 | | .unwrap()) [INFO] [stdout] 660 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:648:13 [INFO] [stdout] | [INFO] [stdout] 648 | / Ok(Response::builder() [INFO] [stdout] 649 | | .status(status) [INFO] [stdout] 650 | | .header("content-type", "application/json") [INFO] [stdout] 651 | | .body(Body::from( [INFO] [stdout] ... | [INFO] [stdout] 658 | | )) [INFO] [stdout] 659 | | .unwrap()) [INFO] [stdout] | |__________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:705:20 [INFO] [stdout] | [INFO] [stdout] 705 | async move { Ok::<_, Infallible>(service_fn(move |req| handle_service(req, lb.clone()))) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:705:22 [INFO] [stdout] | [INFO] [stdout] 705 | async move { Ok::<_, Infallible>(service_fn(move |req| handle_service(req, lb.clone()))) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `balancer` (bin "balancer") due to 9 previous errors [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:617:41 [INFO] [stdout] | [INFO] [stdout] 617 | ) -> Result, Infallible> { [INFO] [stdout] | _________________________________________^ [INFO] [stdout] 618 | | if req.uri().path() == "/lb-analytics" && req.method() == Method::GET { [INFO] [stdout] 619 | | return Ok(load_balancer.get_analytics().await); [INFO] [stdout] ... | [INFO] [stdout] 662 | | } [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:617:41 [INFO] [stdout] | [INFO] [stdout] 617 | ) -> Result, Infallible> { [INFO] [stdout] | _________________________________________^ [INFO] [stdout] 618 | | if req.uri().path() == "/lb-analytics" && req.method() == Method::GET { [INFO] [stdout] 619 | | return Ok(load_balancer.get_analytics().await); [INFO] [stdout] ... | [INFO] [stdout] 662 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:619:16 [INFO] [stdout] | [INFO] [stdout] 619 | return Ok(load_balancer.get_analytics().await); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:622:5 [INFO] [stdout] | [INFO] [stdout] 622 | / match load_balancer.serve(req).await { [INFO] [stdout] 623 | | Ok(response) => Ok(response), [INFO] [stdout] 624 | | Err(e) => { [INFO] [stdout] 625 | | eprintln!("Load balancer error: {}", e); [INFO] [stdout] ... | [INFO] [stdout] 661 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:623:25 [INFO] [stdout] | [INFO] [stdout] 623 | 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:624:19 [INFO] [stdout] | [INFO] [stdout] 624 | Err(e) => { [INFO] [stdout] | ___________________^ [INFO] [stdout] 625 | | eprintln!("Load balancer error: {}", e); [INFO] [stdout] 626 | | [INFO] [stdout] 627 | | let (status, message) = match e { [INFO] [stdout] ... | [INFO] [stdout] 659 | | .unwrap()) [INFO] [stdout] 660 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:648:13 [INFO] [stdout] | [INFO] [stdout] 648 | / Ok(Response::builder() [INFO] [stdout] 649 | | .status(status) [INFO] [stdout] 650 | | .header("content-type", "application/json") [INFO] [stdout] 651 | | .body(Body::from( [INFO] [stdout] ... | [INFO] [stdout] 658 | | )) [INFO] [stdout] 659 | | .unwrap()) [INFO] [stdout] | |__________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:705:20 [INFO] [stdout] | [INFO] [stdout] 705 | async move { Ok::<_, Infallible>(service_fn(move |req| handle_service(req, lb.clone()))) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:705:22 [INFO] [stdout] | [INFO] [stdout] 705 | async move { Ok::<_, Infallible>(service_fn(move |req| handle_service(req, lb.clone()))) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `balancer` (bin "balancer" test) due to 9 previous errors [INFO] running `Command { std: "docker" "inspect" "e07f61f7bd898bb0fddfaa7a2c8fc764398ec2f9c894fe40bcfd4f7f708ade86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e07f61f7bd898bb0fddfaa7a2c8fc764398ec2f9c894fe40bcfd4f7f708ade86", kill_on_drop: false }` [INFO] [stdout] e07f61f7bd898bb0fddfaa7a2c8fc764398ec2f9c894fe40bcfd4f7f708ade86