[INFO] cloning repository https://github.com/rfielding/rust_proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rfielding/rust_proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfielding%2Frust_proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frfielding%2Frust_proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0331dae992ce5e7f87a6b1fd95ab4f9b05303636
[INFO] checking rfielding/rust_proxy 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%2Frfielding%2Frust_proxy" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/rfielding/rust_proxy
[INFO] finished tweaking git repo https://github.com/rfielding/rust_proxy
[INFO] tweaked toml for git repo https://github.com/rfielding/rust_proxy written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rfielding/rust_proxy 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/rfielding/rust_proxy 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] 6dfc90f93c860d115c0777c3e4d1aac546fa4d5cfba9c59bbe19ba8e7b39ed29
[INFO] running `Command { std: "docker" "start" "-a" "6dfc90f93c860d115c0777c3e4d1aac546fa4d5cfba9c59bbe19ba8e7b39ed29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dfc90f93c860d115c0777c3e4d1aac546fa4d5cfba9c59bbe19ba8e7b39ed29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dfc90f93c860d115c0777c3e4d1aac546fa4d5cfba9c59bbe19ba8e7b39ed29", kill_on_drop: false }`
[INFO] [stdout] 6dfc90f93c860d115c0777c3e4d1aac546fa4d5cfba9c59bbe19ba8e7b39ed29
[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] eb599971e3c466e38f5c663056090f9dac1ff6a8d5672bbfd76f7b4fecb41b50
[INFO] running `Command { std: "docker" "start" "-a" "eb599971e3c466e38f5c663056090f9dac1ff6a8d5672bbfd76f7b4fecb41b50", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.21.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking indexmap v2.8.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.44.1
[INFO] [stderr]     Checking tokio-util v0.7.14
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking rust_proxy 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:225:44: 225:54}, Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |           async move {
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 225 | |             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 226 | |                 let client = client.clone();
[INFO] [stdout] 227 | |                 let config = config.clone();
[INFO] [stdout] ...   |
[INFO] [stdout] 232 | |             }))
[INFO] [stdout] 233 | |         }
[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:225:44: 225:54}, Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 | /             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 226 | |                 let client = client.clone();
[INFO] [stdout] 227 | |                 let config = config.clone();
[INFO] [stdout] ...   |
[INFO] [stdout] 232 | |             }))
[INFO] [stdout]     | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_proxy` (bin "rust_proxy" test) due to 2 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/main.rs:225:44: 225:54}, Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:224:20
[INFO] [stdout]     |
[INFO] [stdout] 224 |           async move {
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 225 | |             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 226 | |                 let client = client.clone();
[INFO] [stdout] 227 | |                 let config = config.clone();
[INFO] [stdout] ...   |
[INFO] [stdout] 232 | |             }))
[INFO] [stdout] 233 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[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:225:44: 225:54}, Body>, Infallible>
[INFO] [stdout]    --> src/main.rs:225:13
[INFO] [stdout]     |
[INFO] [stdout] 225 | /             Ok::<_, Infallible>(service_fn(move |req| {
[INFO] [stdout] 226 | |                 let client = client.clone();
[INFO] [stdout] 227 | |                 let config = config.clone();
[INFO] [stdout] ...   |
[INFO] [stdout] 232 | |             }))
[INFO] [stdout]     | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_proxy` (bin "rust_proxy") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "eb599971e3c466e38f5c663056090f9dac1ff6a8d5672bbfd76f7b4fecb41b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb599971e3c466e38f5c663056090f9dac1ff6a8d5672bbfd76f7b4fecb41b50", kill_on_drop: false }`
[INFO] [stdout] eb599971e3c466e38f5c663056090f9dac1ff6a8d5672bbfd76f7b4fecb41b50