[INFO] fetching crate nuclear-router 0.1.0... [INFO] checking nuclear-router-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate nuclear-router 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate nuclear-router 0.1.0 [INFO] finished tweaking crates.io crate nuclear-router 0.1.0 [INFO] tweaked toml for crates.io crate nuclear-router 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate nuclear-router 0.1.0 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 crates.io crate nuclear-router 0.1.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 343cebb078dce9453cba8ffe2cda84498f3452d93a1b5568e7f1a9e938ad11a4 [INFO] running `Command { std: "docker" "start" "-a" "343cebb078dce9453cba8ffe2cda84498f3452d93a1b5568e7f1a9e938ad11a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "343cebb078dce9453cba8ffe2cda84498f3452d93a1b5568e7f1a9e938ad11a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "343cebb078dce9453cba8ffe2cda84498f3452d93a1b5568e7f1a9e938ad11a4", kill_on_drop: false }` [INFO] [stdout] 343cebb078dce9453cba8ffe2cda84498f3452d93a1b5568e7f1a9e938ad11a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1a15301a3f5871c686b42027554666b664c244bd4aa74d63e353b1eecbab9314 [INFO] running `Command { std: "docker" "start" "-a" "1a15301a3f5871c686b42027554666b664c244bd4aa74d63e353b1eecbab9314", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling indexmap v1.3.1 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking http v0.2.0 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking regex-automata v0.1.8 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking csv-core v0.1.6 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Checking regex-syntax v0.6.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking plotters v0.2.12 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking criterion-plot v0.4.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.0 [INFO] [stderr] Checking smallvec v1.1.0 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Checking bstr v0.2.10 [INFO] [stderr] Checking serde_json v1.0.45 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.0.3 [INFO] [stderr] Compiling tokio-macros v0.2.4 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling thiserror-impl v1.0.10 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking tokio v0.2.11 [INFO] [stderr] Checking thiserror v1.0.10 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking h2 v0.2.1 [INFO] [stderr] Checking criterion v0.3.1 [INFO] [stderr] Checking hyper v0.13.2 [INFO] [stderr] Checking nuclear-router v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> examples/hyper.rs:8:91 [INFO] [stdout] | [INFO] [stdout] 8 | async fn not_found(req: Request, _: OwnedCaptures) -> Result, Never> { [INFO] [stdout] | ___________________________________________________________________________________________^ [INFO] [stdout] 9 | | dbg!((req.method(), req.uri().path())); [INFO] [stdout] 10 | | let res = hyper::Response::builder() [INFO] [stdout] 11 | | .status(404) [INFO] [stdout] ... | [INFO] [stdout] 14 | | Ok(res) [INFO] [stdout] 15 | | } [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] --> examples/hyper.rs:8:91 [INFO] [stdout] | [INFO] [stdout] 8 | async fn not_found(req: Request, _: OwnedCaptures) -> Result, Never> { [INFO] [stdout] | ___________________________________________________________________________________________^ [INFO] [stdout] 9 | | dbg!((req.method(), req.uri().path())); [INFO] [stdout] 10 | | let res = hyper::Response::builder() [INFO] [stdout] 11 | | .status(404) [INFO] [stdout] ... | [INFO] [stdout] 14 | | Ok(res) [INFO] [stdout] 15 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nuclear-router` (example "hyper") due to 11 previous errors [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> examples/hyper.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | Ok(res) [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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] --> examples/hyper.rs:17:90 [INFO] [stdout] | [INFO] [stdout] 17 | async fn hello(_: Request, params: OwnedCaptures) -> Result, Never> { [INFO] [stdout] | __________________________________________________________________________________________^ [INFO] [stdout] 18 | | let name = params.get("name").unwrap(); [INFO] [stdout] 19 | | dbg!(name); [INFO] [stdout] 20 | | Ok(Response::new(Body::from(format!("hello, {}!", name)))) [INFO] [stdout] 21 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> examples/hyper.rs:17:90 [INFO] [stdout] | [INFO] [stdout] 17 | async fn hello(_: Request, params: OwnedCaptures) -> Result, Never> { [INFO] [stdout] | __________________________________________________________________________________________^ [INFO] [stdout] 18 | | let name = params.get("name").unwrap(); [INFO] [stdout] 19 | | dbg!(name); [INFO] [stdout] 20 | | Ok(Response::new(Body::from(format!("hello, {}!", name)))) [INFO] [stdout] 21 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> examples/hyper.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | Ok(Response::new(Body::from(format!("hello, {}!", name)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> examples/hyper.rs:23:89 [INFO] [stdout] | [INFO] [stdout] 23 | async fn file(_: Request, params: OwnedCaptures) -> Result, Never> { [INFO] [stdout] | _________________________________________________________________________________________^ [INFO] [stdout] 24 | | let path = params.get("filepath").unwrap(); [INFO] [stdout] 25 | | dbg!(path); [INFO] [stdout] 26 | | Ok(Response::new(Body::from(format!("access file: {}", path)))) [INFO] [stdout] 27 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> examples/hyper.rs:23:89 [INFO] [stdout] | [INFO] [stdout] 23 | async fn file(_: Request, params: OwnedCaptures) -> Result, Never> { [INFO] [stdout] | _________________________________________________________________________________________^ [INFO] [stdout] 24 | | let path = params.get("filepath").unwrap(); [INFO] [stdout] 25 | | dbg!(path); [INFO] [stdout] 26 | | Ok(Response::new(Body::from(format!("access file: {}", path)))) [INFO] [stdout] 27 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> examples/hyper.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | Ok(Response::new(Body::from(format!("access file: {}", path)))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> examples/hyper.rs:42:20 [INFO] [stdout] | [INFO] [stdout] 42 | async move { Ok::<_, Never>(new_router) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result>, Infallible> [INFO] [stdout] --> examples/hyper.rs:42:22 [INFO] [stdout] | [INFO] [stdout] 42 | async move { Ok::<_, Never>(new_router) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1a15301a3f5871c686b42027554666b664c244bd4aa74d63e353b1eecbab9314", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a15301a3f5871c686b42027554666b664c244bd4aa74d63e353b1eecbab9314", kill_on_drop: false }` [INFO] [stdout] 1a15301a3f5871c686b42027554666b664c244bd4aa74d63e353b1eecbab9314