[INFO] cloning repository https://github.com/alemanjosh7/cuboplus-hackaton [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alemanjosh7/cuboplus-hackaton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falemanjosh7%2Fcuboplus-hackaton", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falemanjosh7%2Fcuboplus-hackaton'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b4160368f4ae01e958ba789f1302459481273a9e [INFO] checking alemanjosh7/cuboplus-hackaton 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%2Falemanjosh7%2Fcuboplus-hackaton" "/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/alemanjosh7/cuboplus-hackaton [INFO] finished tweaking git repo https://github.com/alemanjosh7/cuboplus-hackaton [INFO] tweaked toml for git repo https://github.com/alemanjosh7/cuboplus-hackaton written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/alemanjosh7/cuboplus-hackaton 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/alemanjosh7/cuboplus-hackaton 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] [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] 54072d9eff3b3b51e8c77483400ce9cb7e54343c1460dfb9bb7e8c4d3fd23421 [INFO] running `Command { std: "docker" "start" "-a" "54072d9eff3b3b51e8c77483400ce9cb7e54343c1460dfb9bb7e8c4d3fd23421", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54072d9eff3b3b51e8c77483400ce9cb7e54343c1460dfb9bb7e8c4d3fd23421", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54072d9eff3b3b51e8c77483400ce9cb7e54343c1460dfb9bb7e8c4d3fd23421", kill_on_drop: false }` [INFO] [stdout] 54072d9eff3b3b51e8c77483400ce9cb7e54343c1460dfb9bb7e8c4d3fd23421 [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] e11f7127abd56444afab10dc113fb0f0cc788c9b84f2ead72434970c4973019e [INFO] running `Command { std: "docker" "start" "-a" "e11f7127abd56444afab10dc113fb0f0cc788c9b84f2ead72434970c4973019e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling lock_api v0.4.8 [INFO] [stderr] Checking bytes v1.2.1 [INFO] [stderr] Compiling tokio v1.20.1 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Checking tracing-core v0.1.29 [INFO] [stderr] Checking itoa v1.0.3 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Compiling httparse v1.7.1 [INFO] [stderr] Compiling futures-channel v0.3.24 [INFO] [stderr] Checking futures-sink v0.3.24 [INFO] [stderr] Checking indexmap v1.9.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Checking tracing v0.1.36 [INFO] [stderr] Checking http v0.2.8 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking parking_lot_core v0.9.3 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking socket2 v0.4.6 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking tokio-util v0.7.3 [INFO] [stderr] Checking h2 v0.3.14 [INFO] [stderr] Checking hyper v0.14.20 [INFO] [stderr] Checking hello-world v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:6:76 [INFO] [stdout] | [INFO] [stdout] 6 | async fn handle(_req: Request) -> Result, Infallible> { [INFO] [stdout] | ____________________________________________________________________________^ [INFO] [stdout] 7 | | Ok(Response::new(Body::from(Bytes::from_static( [INFO] [stdout] 8 | | include_bytes!("index.html"), [INFO] [stdout] 9 | | )))) [INFO] [stdout] 10 | | } [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:6:76 [INFO] [stdout] | [INFO] [stdout] 6 | async fn handle(_req: Request) -> Result, Infallible> { [INFO] [stdout] | ____________________________________________________________________________^ [INFO] [stdout] 7 | | Ok(Response::new(Body::from(Bytes::from_static( [INFO] [stdout] 8 | | include_bytes!("index.html"), [INFO] [stdout] 9 | | )))) [INFO] [stdout] 10 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | / Ok(Response::new(Body::from(Bytes::from_static( [INFO] [stdout] 8 | | include_bytes!("index.html"), [INFO] [stdout] 9 | | )))) [INFO] [stdout] | |________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {handle}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:18:54 [INFO] [stdout] | [INFO] [stdout] 18 | let make_service = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(handle)) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {handle}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:18:56 [INFO] [stdout] | [INFO] [stdout] 18 | let make_service = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(handle)) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:6:76 [INFO] [stdout] | [INFO] [stdout] 6 | async fn handle(_req: Request) -> Result, Infallible> { [INFO] [stdout] | ____________________________________________________________________________^ [INFO] [stdout] 7 | | Ok(Response::new(Body::from(Bytes::from_static( [INFO] [stdout] 8 | | include_bytes!("index.html"), [INFO] [stdout] 9 | | )))) [INFO] [stdout] 10 | | } [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:6:76 [INFO] [stdout] | [INFO] [stdout] 6 | async fn handle(_req: Request) -> Result, Infallible> { [INFO] [stdout] | ____________________________________________________________________________^ [INFO] [stdout] 7 | | Ok(Response::new(Body::from(Bytes::from_static( [INFO] [stdout] 8 | | include_bytes!("index.html"), [INFO] [stdout] 9 | | )))) [INFO] [stdout] 10 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | / Ok(Response::new(Body::from(Bytes::from_static( [INFO] [stdout] 8 | | include_bytes!("index.html"), [INFO] [stdout] 9 | | )))) [INFO] [stdout] | |________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {handle}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:18:54 [INFO] [stdout] | [INFO] [stdout] 18 | let make_service = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(handle)) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {handle}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:18:56 [INFO] [stdout] | [INFO] [stdout] 18 | let make_service = make_service_fn(|_conn| async { Ok::<_, Infallible>(service_fn(handle)) }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hello-world` (bin "hello-world") due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `hello-world` (bin "hello-world" test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "e11f7127abd56444afab10dc113fb0f0cc788c9b84f2ead72434970c4973019e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e11f7127abd56444afab10dc113fb0f0cc788c9b84f2ead72434970c4973019e", kill_on_drop: false }` [INFO] [stdout] e11f7127abd56444afab10dc113fb0f0cc788c9b84f2ead72434970c4973019e