[INFO] fetching crate hyperapi 0.2.2...
[INFO] checking hyperapi-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate hyperapi 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate hyperapi 0.2.2
[INFO] finished tweaking crates.io crate hyperapi 0.2.2
[INFO] tweaked toml for crates.io crate hyperapi 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hyperapi 0.2.2 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 hyperapi 0.2.2 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-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] 3251c1f7cc101c391b0e73c58f64c201db31480c3ba495d2f8cb93d07c6c8a8a
[INFO] running `Command { std: "docker" "start" "-a" "3251c1f7cc101c391b0e73c58f64c201db31480c3ba495d2f8cb93d07c6c8a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3251c1f7cc101c391b0e73c58f64c201db31480c3ba495d2f8cb93d07c6c8a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3251c1f7cc101c391b0e73c58f64c201db31480c3ba495d2f8cb93d07c6c8a8a", kill_on_drop: false }`
[INFO] [stdout] 3251c1f7cc101c391b0e73c58f64c201db31480c3ba495d2f8cb93d07c6c8a8a
[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] 730c60aa80f644e3c7660f3b535478847adebd5b3f376adde8d3838604bffa30
[INFO] running `Command { std: "docker" "start" "-a" "730c60aa80f644e3c7660f3b535478847adebd5b3f376adde8d3838604bffa30", kill_on_drop: false }`
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[INFO] [stderr]     Checking hyperapi v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `last_attempt` is never read
[INFO] [stdout]   --> src/middleware/circuit_breaker/state.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct HalfOpenState {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 26 |     pub last_attempt: SystemTime,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HalfOpenState` 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] warning: field `last_attempt` is never read
[INFO] [stdout]   --> src/middleware/circuit_breaker/state.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct HalfOpenState {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 26 |     pub last_attempt: SystemTime,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HalfOpenState` 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<RequestHandler, Infallible>
[INFO] [stdout]   --> src/main.rs:69:24
[INFO] [stdout]    |
[INFO] [stdout] 69 |               async move {
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 70 | |                 Ok::<_, Infallible>(handler)
[INFO] [stdout] 71 | |             }
[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<RequestHandler, Infallible>
[INFO] [stdout]   --> src/main.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 Ok::<_, Infallible>(handler)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RequestHandler, Infallible>
[INFO] [stdout]   --> src/main.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |               async move {
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 90 | |                 Ok::<_, Infallible>(handler)
[INFO] [stdout] 91 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RequestHandler, Infallible>
[INFO] [stdout]   --> src/main.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 Ok::<_, Infallible>(handler)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyperapi` (bin "hyperapi" test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<RequestHandler, Infallible>
[INFO] [stdout]   --> src/main.rs:69:24
[INFO] [stdout]    |
[INFO] [stdout] 69 |               async move {
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 70 | |                 Ok::<_, Infallible>(handler)
[INFO] [stdout] 71 | |             }
[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<RequestHandler, Infallible>
[INFO] [stdout]   --> src/main.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 Ok::<_, Infallible>(handler)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RequestHandler, Infallible>
[INFO] [stdout]   --> src/main.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |               async move {
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 90 | |                 Ok::<_, Infallible>(handler)
[INFO] [stdout] 91 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RequestHandler, Infallible>
[INFO] [stdout]   --> src/main.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |                 Ok::<_, Infallible>(handler)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hyperapi` (bin "hyperapi") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "730c60aa80f644e3c7660f3b535478847adebd5b3f376adde8d3838604bffa30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730c60aa80f644e3c7660f3b535478847adebd5b3f376adde8d3838604bffa30", kill_on_drop: false }`
[INFO] [stdout] 730c60aa80f644e3c7660f3b535478847adebd5b3f376adde8d3838604bffa30
