[INFO] fetching crate mclient 0.1.4...
[INFO] checking mclient-0.1.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate mclient 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mclient 0.1.4
[INFO] finished tweaking crates.io crate mclient 0.1.4
[INFO] tweaked toml for crates.io crate mclient 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mclient 0.1.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 167 packages to latest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.3.1)
[INFO] [stderr]       Adding hyper v0.14.32 (available: v1.8.0)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.24)
[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-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] 3a36279e77ba72493f8103c48bc8f7a1dc7ec3e6f8db9bb99cf57abfdd75a922
[INFO] running `Command { std: "docker" "start" "-a" "3a36279e77ba72493f8103c48bc8f7a1dc7ec3e6f8db9bb99cf57abfdd75a922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a36279e77ba72493f8103c48bc8f7a1dc7ec3e6f8db9bb99cf57abfdd75a922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a36279e77ba72493f8103c48bc8f7a1dc7ec3e6f8db9bb99cf57abfdd75a922", kill_on_drop: false }`
[INFO] [stdout] 3a36279e77ba72493f8103c48bc8f7a1dc7ec3e6f8db9bb99cf57abfdd75a922
[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] 57acc1741b473846a37704908fc124d0e6f9cd8a5e33b9337799ffa01bb6174f
[INFO] running `Command { std: "docker" "start" "-a" "57acc1741b473846a37704908fc124d0e6f9cd8a5e33b9337799ffa01bb6174f", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking openssl v0.10.75
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]    Compiling mclient_macro v0.1.4
[INFO] [stderr]     Checking native-tls v0.2.14
[INFO] [stderr]     Checking tokio-util v0.7.17
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking mclient v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `http::Response`
[INFO] [stdout]   --> tests/support/server.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use http::Response;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `origin` is never read
[INFO] [stdout]  --> tests/mc2_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct IP {
[INFO] [stdout]   |        -- field in this struct
[INFO] [stdout] 6 |     origin: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IP` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@tests/support/server.rs:56:72: 56:82}, hyper::Body>, Infallible>
[INFO] [stdout]   --> tests/support/server.rs:55:32
[INFO] [stdout]    |
[INFO] [stdout] 55 |                       async move {
[INFO] [stdout]    |  ________________________________^
[INFO] [stdout] 56 | |                         Ok::<_, Infallible>(hyper::service::service_fn(move |req| {
[INFO] [stdout] 57 | |                             let fut = func(req);
[INFO] [stdout] 58 | |                             async move { Ok::<_, Infallible>(fut.await) }
[INFO] [stdout] 59 | |                         }))
[INFO] [stdout] 60 | |                     }
[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<hyper::service::util::ServiceFn<{closure@tests/support/server.rs:56:72: 56:82}, hyper::Body>, Infallible>
[INFO] [stdout]   --> tests/support/server.rs:56:25
[INFO] [stdout]    |
[INFO] [stdout] 56 | /                         Ok::<_, Infallible>(hyper::service::service_fn(move |req| {
[INFO] [stdout] 57 | |                             let fut = func(req);
[INFO] [stdout] 58 | |                             async move { Ok::<_, Infallible>(fut.await) }
[INFO] [stdout] 59 | |                         }))
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<http::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> tests/support/server.rs:58:40
[INFO] [stdout]    |
[INFO] [stdout] 58 | ...                   async move { Ok::<_, Infallible>(fut.await) }
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<http::Response<hyper::Body>, Infallible>
[INFO] [stdout]   --> tests/support/server.rs:58:42
[INFO] [stdout]    |
[INFO] [stdout] 58 | ...                   async move { Ok::<_, Infallible>(fut.await) }
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mclient` (test "client_test") due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "57acc1741b473846a37704908fc124d0e6f9cd8a5e33b9337799ffa01bb6174f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57acc1741b473846a37704908fc124d0e6f9cd8a5e33b9337799ffa01bb6174f", kill_on_drop: false }`
[INFO] [stdout] 57acc1741b473846a37704908fc124d0e6f9cd8a5e33b9337799ffa01bb6174f
