[INFO] cloning repository https://github.com/JamesGuthrie/httpserve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JamesGuthrie/httpserve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesGuthrie%2Fhttpserve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesGuthrie%2Fhttpserve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 095c5d3f2e751e954db9359a01fd6288d66ed6e6
[INFO] checking JamesGuthrie/httpserve 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%2FJamesGuthrie%2Fhttpserve" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JamesGuthrie/httpserve
[INFO] finished tweaking git repo https://github.com/JamesGuthrie/httpserve
[INFO] tweaked toml for git repo https://github.com/JamesGuthrie/httpserve written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JamesGuthrie/httpserve 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/JamesGuthrie/httpserve 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 78adb716a9a1837b0511ec9efcdd01c04c09a20a86d26778355972965a067202
[INFO] running `Command { std: "docker" "start" "-a" "78adb716a9a1837b0511ec9efcdd01c04c09a20a86d26778355972965a067202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78adb716a9a1837b0511ec9efcdd01c04c09a20a86d26778355972965a067202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78adb716a9a1837b0511ec9efcdd01c04c09a20a86d26778355972965a067202", kill_on_drop: false }`
[INFO] [stdout] 78adb716a9a1837b0511ec9efcdd01c04c09a20a86d26778355972965a067202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 316b3a412db81629253448065940b54a9064533691a391e63b2c48b9a976dbc6
[INFO] running `Command { std: "docker" "start" "-a" "316b3a412db81629253448065940b54a9064533691a391e63b2c48b9a976dbc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking simplelog v0.10.0
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking hyper v0.14.9
[INFO] [stderr]     Checking httpserve v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/main.rs:31:44: 31:54}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |           async move {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 31 | |             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 32 | |                 let file_server = Arc::clone(&file_server);
[INFO] [stdout] 33 | |                 async move { file_server.handle(req).await }
[INFO] [stdout] 34 | |             }))
[INFO] [stdout] 35 | |         }
[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:31:44: 31:54}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | /             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 32 | |                 let file_server = Arc::clone(&file_server);
[INFO] [stdout] 33 | |                 async move { file_server.handle(req).await }
[INFO] [stdout] 34 | |             }))
[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:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 async move { file_server.handle(req).await }
[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:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 async move { file_server.handle(req).await }
[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:33:54
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 async move { file_server.handle(req).await }
[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:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 async move { file_server.handle(req).await }
[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:165:86
[INFO] [stdout]     |
[INFO] [stdout] 165 |       async fn handle(&self, req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  ______________________________________________________________________________________^
[INFO] [stdout] 166 | |         let method = req.method();
[INFO] [stdout] 167 | |         let uri = req.uri();
[INFO] [stdout] ...   |
[INFO] [stdout] 199 | |         return Ok(response);
[INFO] [stdout] 200 | |     }
[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:199:16
[INFO] [stdout]     |
[INFO] [stdout] 199 |         return Ok(response);
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `httpserve` (bin "httpserve") due to 8 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:31:44: 31:54}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:30:20
[INFO] [stdout]    |
[INFO] [stdout] 30 |           async move {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 31 | |             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 32 | |                 let file_server = Arc::clone(&file_server);
[INFO] [stdout] 33 | |                 async move { file_server.handle(req).await }
[INFO] [stdout] 34 | |             }))
[INFO] [stdout] 35 | |         }
[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:31:44: 31:54}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | /             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 32 | |                 let file_server = Arc::clone(&file_server);
[INFO] [stdout] 33 | |                 async move { file_server.handle(req).await }
[INFO] [stdout] 34 | |             }))
[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:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 async move { file_server.handle(req).await }
[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:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 async move { file_server.handle(req).await }
[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:33:54
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 async move { file_server.handle(req).await }
[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:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 async move { file_server.handle(req).await }
[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:165:86
[INFO] [stdout]     |
[INFO] [stdout] 165 |       async fn handle(&self, req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  ______________________________________________________________________________________^
[INFO] [stdout] 166 | |         let method = req.method();
[INFO] [stdout] 167 | |         let uri = req.uri();
[INFO] [stdout] ...   |
[INFO] [stdout] 199 | |         return Ok(response);
[INFO] [stdout] 200 | |     }
[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:199:16
[INFO] [stdout]     |
[INFO] [stdout] 199 |         return Ok(response);
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `httpserve` (bin "httpserve" test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "316b3a412db81629253448065940b54a9064533691a391e63b2c48b9a976dbc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316b3a412db81629253448065940b54a9064533691a391e63b2c48b9a976dbc6", kill_on_drop: false }`
[INFO] [stdout] 316b3a412db81629253448065940b54a9064533691a391e63b2c48b9a976dbc6