[INFO] cloning repository https://github.com/Areasettantotto/rust-tokio-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Areasettantotto/rust-tokio-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAreasettantotto%2Frust-tokio-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAreasettantotto%2Frust-tokio-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 379b130e0044998eda1bf5620934f87a0c2e958e
[INFO] checking Areasettantotto/rust-tokio-lab 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%2FAreasettantotto%2Frust-tokio-lab" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Areasettantotto/rust-tokio-lab
[INFO] finished tweaking git repo https://github.com/Areasettantotto/rust-tokio-lab
[INFO] tweaked toml for git repo https://github.com/Areasettantotto/rust-tokio-lab written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Areasettantotto/rust-tokio-lab 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/Areasettantotto/rust-tokio-lab 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 910966f97c7b77262f7b231b004ea938004831ce4527930342bb9daa1e61b99d
[INFO] running `Command { std: "docker" "start" "-a" "910966f97c7b77262f7b231b004ea938004831ce4527930342bb9daa1e61b99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "910966f97c7b77262f7b231b004ea938004831ce4527930342bb9daa1e61b99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910966f97c7b77262f7b231b004ea938004831ce4527930342bb9daa1e61b99d", kill_on_drop: false }`
[INFO] [stdout] 910966f97c7b77262f7b231b004ea938004831ce4527930342bb9daa1e61b99d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 94ad49077108fd4c3d77734ee531a3c3828ae18f46ac5855e88b7325b59ab55e
[INFO] running `Command { std: "docker" "start" "-a" "94ad49077108fd4c3d77734ee531a3c3828ae18f46ac5855e88b7325b59ab55e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking indexmap v2.11.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking h2 v0.4.12
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking rust-tokio-lab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<bytes::Bytes>>, Infallible>
[INFO] [stdout]   --> src/main.rs:18:97
[INFO] [stdout]    |
[INFO] [stdout] 18 |   async fn hello(_: Request<impl hyper::body::Body>) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________________________^
[INFO] [stdout] 19 | |     let body = Full::new(Bytes::from(
[INFO] [stdout] 20 | |         "Ciao dal server Rust con Tokio + Hyper 1.x! 🚀",
[INFO] [stdout] 21 | |     ));
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     Ok(resp)
[INFO] [stdout] 28 | | }
[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<bytes::Bytes>>, Infallible>
[INFO] [stdout]   --> src/main.rs:18:97
[INFO] [stdout]    |
[INFO] [stdout] 18 |   async fn hello(_: Request<impl hyper::body::Body>) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________________________^
[INFO] [stdout] 19 | |     let body = Full::new(Bytes::from(
[INFO] [stdout] 20 | |         "Ciao dal server Rust con Tokio + Hyper 1.x! 🚀",
[INFO] [stdout] 21 | |     ));
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     Ok(resp)
[INFO] [stdout] 28 | | }
[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<bytes::Bytes>>, Infallible>
[INFO] [stdout]   --> src/main.rs:18:97
[INFO] [stdout]    |
[INFO] [stdout] 18 |   async fn hello(_: Request<impl hyper::body::Body>) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________________________^
[INFO] [stdout] 19 | |     let body = Full::new(Bytes::from(
[INFO] [stdout] 20 | |         "Ciao dal server Rust con Tokio + Hyper 1.x! 🚀",
[INFO] [stdout] 21 | |     ));
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     Ok(resp)
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<bytes::Bytes>>, Infallible>
[INFO] [stdout]   --> src/main.rs:18:97
[INFO] [stdout]    |
[INFO] [stdout] 18 |   async fn hello(_: Request<impl hyper::body::Body>) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________________________^
[INFO] [stdout] 19 | |     let body = Full::new(Bytes::from(
[INFO] [stdout] 20 | |         "Ciao dal server Rust con Tokio + Hyper 1.x! 🚀",
[INFO] [stdout] 21 | |     ));
[INFO] [stdout] ...  |
[INFO] [stdout] 27 | |     Ok(resp)
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<bytes::Bytes>>, Infallible>
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Ok(resp)
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<bytes::Bytes>>, Infallible>
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Ok(resp)
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-tokio-lab` (bin "rust-tokio-lab") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-tokio-lab` (bin "rust-tokio-lab" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "94ad49077108fd4c3d77734ee531a3c3828ae18f46ac5855e88b7325b59ab55e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ad49077108fd4c3d77734ee531a3c3828ae18f46ac5855e88b7325b59ab55e", kill_on_drop: false }`
[INFO] [stdout] 94ad49077108fd4c3d77734ee531a3c3828ae18f46ac5855e88b7325b59ab55e
