[INFO] cloning repository https://github.com/d0x2f/ip-echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d0x2f/ip-echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd0x2f%2Fip-echo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd0x2f%2Fip-echo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa14147f8c2756c0b93a81a3846bf20ca3dfbb5c
[INFO] checking d0x2f/ip-echo 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%2Fd0x2f%2Fip-echo" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/d0x2f/ip-echo
[INFO] finished tweaking git repo https://github.com/d0x2f/ip-echo
[INFO] tweaked toml for git repo https://github.com/d0x2f/ip-echo written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/d0x2f/ip-echo 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/d0x2f/ip-echo 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] cef652fb2799f71ae850ff51a716ff9d2ed04a351d5af8d273a79004235f3e3b
[INFO] running `Command { std: "docker" "start" "-a" "cef652fb2799f71ae850ff51a716ff9d2ed04a351d5af8d273a79004235f3e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cef652fb2799f71ae850ff51a716ff9d2ed04a351d5af8d273a79004235f3e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef652fb2799f71ae850ff51a716ff9d2ed04a351d5af8d273a79004235f3e3b", kill_on_drop: false }`
[INFO] [stdout] cef652fb2799f71ae850ff51a716ff9d2ed04a351d5af8d273a79004235f3e3b
[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] ae3c3eafbb85564edf2628391c1b35f9e1349936f92e307aa879ce9b4892460b
[INFO] running `Command { std: "docker" "start" "-a" "ae3c3eafbb85564edf2628391c1b35f9e1349936f92e307aa879ce9b4892460b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking ip 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:44:38: 44:67}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |       async move {
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 44 | |       Ok::<_, Infallible>(service_fn(move |request: Request<Body>| async move {
[INFO] [stdout] 45 | |         Ok::<_, Infallible>(match check_for_headers(request.headers()) {
[INFO] [stdout] 46 | |           Ok(client_ip) => Response::new(Body::from(client_ip)),
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |       }))
[INFO] [stdout] 50 | |     }
[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:44:38: 44:67}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 | /       Ok::<_, Infallible>(service_fn(move |request: Request<Body>| async move {
[INFO] [stdout] 45 | |         Ok::<_, Infallible>(match check_for_headers(request.headers()) {
[INFO] [stdout] 46 | |           Ok(client_ip) => Response::new(Body::from(client_ip)),
[INFO] [stdout] 47 | |           _ => Response::new(Body::from(remote_address.ip().to_string())),
[INFO] [stdout] 48 | |         })
[INFO] [stdout] 49 | |       }))
[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:44:79
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Ok::<_, Infallible>(service_fn(move |request: Request<Body>| async move {
[INFO] [stdout]    |  _______________________________________________________________________________^
[INFO] [stdout] 45 | |         Ok::<_, Infallible>(match check_for_headers(request.headers()) {
[INFO] [stdout] 46 | |           Ok(client_ip) => Response::new(Body::from(client_ip)),
[INFO] [stdout] 47 | |           _ => Response::new(Body::from(remote_address.ip().to_string())),
[INFO] [stdout] 48 | |         })
[INFO] [stdout] 49 | |       }))
[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:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | /         Ok::<_, Infallible>(match check_for_headers(request.headers()) {
[INFO] [stdout] 46 | |           Ok(client_ip) => Response::new(Body::from(client_ip)),
[INFO] [stdout] 47 | |           _ => Response::new(Body::from(remote_address.ip().to_string())),
[INFO] [stdout] 48 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ip` (bin "ip" 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<hyper::service::util::ServiceFn<{closure@src/main.rs:44:38: 44:67}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |       async move {
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 44 | |       Ok::<_, Infallible>(service_fn(move |request: Request<Body>| async move {
[INFO] [stdout] 45 | |         Ok::<_, Infallible>(match check_for_headers(request.headers()) {
[INFO] [stdout] 46 | |           Ok(client_ip) => Response::new(Body::from(client_ip)),
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |       }))
[INFO] [stdout] 50 | |     }
[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:44:38: 44:67}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 | /       Ok::<_, Infallible>(service_fn(move |request: Request<Body>| async move {
[INFO] [stdout] 45 | |         Ok::<_, Infallible>(match check_for_headers(request.headers()) {
[INFO] [stdout] 46 | |           Ok(client_ip) => Response::new(Body::from(client_ip)),
[INFO] [stdout] 47 | |           _ => Response::new(Body::from(remote_address.ip().to_string())),
[INFO] [stdout] 48 | |         })
[INFO] [stdout] 49 | |       }))
[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:44:79
[INFO] [stdout]    |
[INFO] [stdout] 44 |         Ok::<_, Infallible>(service_fn(move |request: Request<Body>| async move {
[INFO] [stdout]    |  _______________________________________________________________________________^
[INFO] [stdout] 45 | |         Ok::<_, Infallible>(match check_for_headers(request.headers()) {
[INFO] [stdout] 46 | |           Ok(client_ip) => Response::new(Body::from(client_ip)),
[INFO] [stdout] 47 | |           _ => Response::new(Body::from(remote_address.ip().to_string())),
[INFO] [stdout] 48 | |         })
[INFO] [stdout] 49 | |       }))
[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:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | /         Ok::<_, Infallible>(match check_for_headers(request.headers()) {
[INFO] [stdout] 46 | |           Ok(client_ip) => Response::new(Body::from(client_ip)),
[INFO] [stdout] 47 | |           _ => Response::new(Body::from(remote_address.ip().to_string())),
[INFO] [stdout] 48 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ip` (bin "ip") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "ae3c3eafbb85564edf2628391c1b35f9e1349936f92e307aa879ce9b4892460b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae3c3eafbb85564edf2628391c1b35f9e1349936f92e307aa879ce9b4892460b", kill_on_drop: false }`
[INFO] [stdout] ae3c3eafbb85564edf2628391c1b35f9e1349936f92e307aa879ce9b4892460b
