[INFO] fetching crate postrep 0.1.0...
[INFO] checking postrep-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate postrep 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate postrep 0.1.0
[INFO] finished tweaking crates.io crate postrep 0.1.0
[INFO] tweaked toml for crates.io crate postrep 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate postrep 0.1.0 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 postrep 0.1.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eadf6f3cc8f5c69d212b62bbb60459d0aafa92e9e8000cf55d4e912f2bfffad7
[INFO] running `Command { std: "docker" "start" "-a" "eadf6f3cc8f5c69d212b62bbb60459d0aafa92e9e8000cf55d4e912f2bfffad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eadf6f3cc8f5c69d212b62bbb60459d0aafa92e9e8000cf55d4e912f2bfffad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eadf6f3cc8f5c69d212b62bbb60459d0aafa92e9e8000cf55d4e912f2bfffad7", kill_on_drop: false }`
[INFO] [stdout] eadf6f3cc8f5c69d212b62bbb60459d0aafa92e9e8000cf55d4e912f2bfffad7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 68d20323bf1197bcf0198fc0f9438446a224a8c04ef41f4a251068f604cb4e7e
[INFO] running `Command { std: "docker" "start" "-a" "68d20323bf1197bcf0198fc0f9438446a224a8c04ef41f4a251068f604cb4e7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking cpufeatures v0.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]     Checking siphasher v0.3.5
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking phf_shared v0.8.0
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[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking digest v0.9.0
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[INFO] [stderr]     Checking rand v0.8.3
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[INFO] [stderr]     Checking phf v0.8.0
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[INFO] [stderr]     Checking sha2 v0.9.4
[INFO] [stderr]     Checking hmac v0.10.1
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[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking postgres-protocol v0.6.1
[INFO] [stderr]     Checking regex v1.5.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking postgres-types v0.2.1
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling async-stream-impl v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking async-stream v0.3.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]    Compiling tonic-build v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]    Compiling etcd-client v0.6.3
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking tokio-postgres v0.7.2
[INFO] [stderr]     Checking tower v0.4.7
[INFO] [stderr]     Checking hyper v0.14.7
[INFO] [stderr]     Checking tonic v0.4.3
[INFO] [stderr]     Checking postrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/main.rs:86:53: 86:63}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |         async move { Ok::<_, Infallible>(service_fn(move |req| handle(req, is_leader.clone()))) }
[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@src/main.rs:86:53: 86:63}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 |         async move { Ok::<_, Infallible>(service_fn(move |req| handle(req, is_leader.clone()))) }
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:127:41
[INFO] [stdout]     |
[INFO] [stdout] 127 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 128 | |     if *is_leader.borrow() {
[INFO] [stdout] 129 | |         Ok(Response::new(Body::from("OK")))
[INFO] [stdout] 130 | |     } else {
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:127:41
[INFO] [stdout]     |
[INFO] [stdout] 127 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 128 | |     if *is_leader.borrow() {
[INFO] [stdout] 129 | |         Ok(Response::new(Body::from("OK")))
[INFO] [stdout] 130 | |     } else {
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | /     if *is_leader.borrow() {
[INFO] [stdout] 129 | |         Ok(Response::new(Body::from("OK")))
[INFO] [stdout] 130 | |     } else {
[INFO] [stdout] 131 | |         let mut resp = Response::new(Body::from("Not OK"));
[INFO] [stdout] 132 | |         *resp.status_mut() = StatusCode::NOT_FOUND;
[INFO] [stdout] 133 | |         Ok(resp)
[INFO] [stdout] 134 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:128:28
[INFO] [stdout]     |
[INFO] [stdout] 128 |       if *is_leader.borrow() {
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 129 | |         Ok(Response::new(Body::from("OK")))
[INFO] [stdout] 130 | |     } else {
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         Ok(Response::new(Body::from("OK")))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |       } else {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 131 | |         let mut resp = Response::new(Body::from("Not OK"));
[INFO] [stdout] 132 | |         *resp.status_mut() = StatusCode::NOT_FOUND;
[INFO] [stdout] 133 | |         Ok(resp)
[INFO] [stdout] 134 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         Ok(resp)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `postrep` (bin "postrep") due to 9 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<hyper::service::util::ServiceFn<{closure@src/main.rs:86:53: 86:63}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |         async move { Ok::<_, Infallible>(service_fn(move |req| handle(req, is_leader.clone()))) }
[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@src/main.rs:86:53: 86:63}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 |         async move { Ok::<_, Infallible>(service_fn(move |req| handle(req, is_leader.clone()))) }
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:127:41
[INFO] [stdout]     |
[INFO] [stdout] 127 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 128 | |     if *is_leader.borrow() {
[INFO] [stdout] 129 | |         Ok(Response::new(Body::from("OK")))
[INFO] [stdout] 130 | |     } else {
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:127:41
[INFO] [stdout]     |
[INFO] [stdout] 127 |   ) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 128 | |     if *is_leader.borrow() {
[INFO] [stdout] 129 | |         Ok(Response::new(Body::from("OK")))
[INFO] [stdout] 130 | |     } else {
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | /     if *is_leader.borrow() {
[INFO] [stdout] 129 | |         Ok(Response::new(Body::from("OK")))
[INFO] [stdout] 130 | |     } else {
[INFO] [stdout] 131 | |         let mut resp = Response::new(Body::from("Not OK"));
[INFO] [stdout] 132 | |         *resp.status_mut() = StatusCode::NOT_FOUND;
[INFO] [stdout] 133 | |         Ok(resp)
[INFO] [stdout] 134 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:128:28
[INFO] [stdout]     |
[INFO] [stdout] 128 |       if *is_leader.borrow() {
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 129 | |         Ok(Response::new(Body::from("OK")))
[INFO] [stdout] 130 | |     } else {
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         Ok(Response::new(Body::from("OK")))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 |       } else {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 131 | |         let mut resp = Response::new(Body::from("Not OK"));
[INFO] [stdout] 132 | |         *resp.status_mut() = StatusCode::NOT_FOUND;
[INFO] [stdout] 133 | |         Ok(resp)
[INFO] [stdout] 134 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         Ok(resp)
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `postrep` (bin "postrep" test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "68d20323bf1197bcf0198fc0f9438446a224a8c04ef41f4a251068f604cb4e7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68d20323bf1197bcf0198fc0f9438446a224a8c04ef41f4a251068f604cb4e7e", kill_on_drop: false }`
[INFO] [stdout] 68d20323bf1197bcf0198fc0f9438446a224a8c04ef41f4a251068f604cb4e7e
