[INFO] fetching crate hyper-middleware 0.0.9...
[INFO] checking hyper-middleware-0.0.9 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate hyper-middleware 0.0.9 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate hyper-middleware 0.0.9
[INFO] finished tweaking crates.io crate hyper-middleware 0.0.9
[INFO] tweaked toml for crates.io crate hyper-middleware 0.0.9 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hyper-middleware 0.0.9 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 hyper-middleware 0.0.9 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] de80cc0fd3397dc7732e62b9acc7855ec6ce631a06381af68ccfb3dfb2dc6dbf
[INFO] running `Command { std: "docker" "start" "-a" "de80cc0fd3397dc7732e62b9acc7855ec6ce631a06381af68ccfb3dfb2dc6dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de80cc0fd3397dc7732e62b9acc7855ec6ce631a06381af68ccfb3dfb2dc6dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de80cc0fd3397dc7732e62b9acc7855ec6ce631a06381af68ccfb3dfb2dc6dbf", kill_on_drop: false }`
[INFO] [stdout] de80cc0fd3397dc7732e62b9acc7855ec6ce631a06381af68ccfb3dfb2dc6dbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 76e3460fab8d0496eb49ad7b27e86e0834ba84719450aafdd55e5b139b21b516
[INFO] running `Command { std: "docker" "start" "-a" "76e3460fab8d0496eb49ad7b27e86e0834ba84719450aafdd55e5b139b21b516", kill_on_drop: false }`
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling async-recursion v1.0.5
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-middleware v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<HandlerService<H>, Infallible>
[INFO] [stdout]   --> src/service.rs:83:15
[INFO] [stdout]    |
[INFO] [stdout] 83 |         ready(Ok(self.builder.build(conn.remote_addr())))
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyper-middleware` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<HandlerService<H>, Infallible>
[INFO] [stdout]   --> src/service.rs:83:15
[INFO] [stdout]    |
[INFO] [stdout] 83 |         ready(Ok(self.builder.build(conn.remote_addr())))
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyper-middleware` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "76e3460fab8d0496eb49ad7b27e86e0834ba84719450aafdd55e5b139b21b516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e3460fab8d0496eb49ad7b27e86e0834ba84719450aafdd55e5b139b21b516", kill_on_drop: false }`
[INFO] [stdout] 76e3460fab8d0496eb49ad7b27e86e0834ba84719450aafdd55e5b139b21b516