[INFO] fetching crate stio 0.0.1...
[INFO] checking stio-0.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate stio 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate stio 0.0.1
[INFO] finished tweaking crates.io crate stio 0.0.1
[INFO] tweaked toml for crates.io crate stio 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stio 0.0.1 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 stio 0.0.1 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] 14c593157ee790ae9e87ef43f5be6b78eaf9aab2eb5bfa2cbfb3f7d353a1a5dd
[INFO] running `Command { std: "docker" "start" "-a" "14c593157ee790ae9e87ef43f5be6b78eaf9aab2eb5bfa2cbfb3f7d353a1a5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14c593157ee790ae9e87ef43f5be6b78eaf9aab2eb5bfa2cbfb3f7d353a1a5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c593157ee790ae9e87ef43f5be6b78eaf9aab2eb5bfa2cbfb3f7d353a1a5dd", kill_on_drop: false }`
[INFO] [stdout] 14c593157ee790ae9e87ef43f5be6b78eaf9aab2eb5bfa2cbfb3f7d353a1a5dd
[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] 671ab31835b08d514721d91e921ecca74b126f345c7edb95a72147d9bf4035da
[INFO] running `Command { std: "docker" "start" "-a" "671ab31835b08d514721d91e921ecca74b126f345c7edb95a72147d9bf4035da", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking stio v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]   --> src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | #![warn(unused_tuple_struct_fields)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper v1.2.0
[INFO] [stderr]     Checking http-body-util v0.1.0
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> examples/hyper_server.rs:31:97
[INFO] [stdout]    |
[INFO] [stdout] 31 |   async fn hello(_: Request<impl hyper::body::Body>) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________________________^
[INFO] [stdout] 32 | |     Ok(Response::new(Full::new(Bytes::from("Hello World!"))))
[INFO] [stdout] 33 | | }
[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<Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> examples/hyper_server.rs:31:97
[INFO] [stdout]    |
[INFO] [stdout] 31 |   async fn hello(_: Request<impl hyper::body::Body>) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________________________^
[INFO] [stdout] 32 | |     Ok(Response::new(Full::new(Bytes::from("Hello World!"))))
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<hyper::body::Bytes>>, Infallible>
[INFO] [stdout]   --> examples/hyper_server.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Ok(Response::new(Full::new(Bytes::from("Hello World!"))))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]   --> src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | #![warn(unused_tuple_struct_fields)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stio` (example "hyper_server") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "671ab31835b08d514721d91e921ecca74b126f345c7edb95a72147d9bf4035da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "671ab31835b08d514721d91e921ecca74b126f345c7edb95a72147d9bf4035da", kill_on_drop: false }`
[INFO] [stdout] 671ab31835b08d514721d91e921ecca74b126f345c7edb95a72147d9bf4035da