[INFO] cloning repository https://github.com/antweiss/au
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antweiss/au" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantweiss%2Fau", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantweiss%2Fau'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6367df30a18bf68935bc45d3d2f94891fb80419
[INFO] checking antweiss/au 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%2Fantweiss%2Fau" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/antweiss/au
[INFO] finished tweaking git repo https://github.com/antweiss/au
[INFO] tweaked toml for git repo https://github.com/antweiss/au written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/antweiss/au 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/antweiss/au 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 658b0c49d0aac07d9ef260bd488ecb3f3b45e7139b895e59767c941ab55120ff
[INFO] running `Command { std: "docker" "start" "-a" "658b0c49d0aac07d9ef260bd488ecb3f3b45e7139b895e59767c941ab55120ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "658b0c49d0aac07d9ef260bd488ecb3f3b45e7139b895e59767c941ab55120ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658b0c49d0aac07d9ef260bd488ecb3f3b45e7139b895e59767c941ab55120ff", kill_on_drop: false }`
[INFO] [stdout] 658b0c49d0aac07d9ef260bd488ecb3f3b45e7139b895e59767c941ab55120ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a66108a01f96a5eae6f127cea19cdc7e6a721cc691860e8bda9bca42f0154f15
[INFO] running `Command { std: "docker" "start" "-a" "a66108a01f96a5eae6f127cea19cdc7e6a721cc691860e8bda9bca42f0154f15", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking hyper v0.14.5
[INFO] [stderr]     Checking au v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Method`
[INFO] [stdout]  --> src/main.rs:3:46
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hyper::{Body, Request, Response, Server, Method};
[INFO] [stdout]   |                                              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env_logger::Env`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use env_logger::Env;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `au` (bin "au" test) due to 5 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:13:74
[INFO] [stdout]    |
[INFO] [stdout] 13 |   async fn echo(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 14 | |     info!("Got {:?}", _req);
[INFO] [stdout] 15 | |     let (parts, body) = _req.into_parts();
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |                         .into()))
[INFO] [stdout] 31 | | }
[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<Response<Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:13:74
[INFO] [stdout]    |
[INFO] [stdout] 13 |   async fn echo(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 14 | |     info!("Got {:?}", _req);
[INFO] [stdout] 15 | |     let (parts, body) = _req.into_parts();
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |                         .into()))
[INFO] [stdout] 31 | | }
[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:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     Ok(Response::new(format!("{{\"method\" : \"{}\",\n\
[INFO] [stdout] 20 | |                             \"uri\" : \"{}\",\n\
[INFO] [stdout] 21 | |                             \"headers\" : {:?},\n\
[INFO] [stdout] 22 | |                             \"version\" : \"{:?}\",\n\
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |                     else { "\"none\"".to_string() } )
[INFO] [stdout] 30 | |                         .into()))
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {echo}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:39:50
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let make_svc = make_service_fn(|_conn| async {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 40 | |         Ok::<_, Infallible>(service_fn(echo))
[INFO] [stdout] 41 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {echo}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok::<_, Infallible>(service_fn(echo))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Method`
[INFO] [stdout]  --> src/main.rs:3:46
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hyper::{Body, Request, Response, Server, Method};
[INFO] [stdout]   |                                              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `env_logger::Env`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use env_logger::Env;
[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:13:74
[INFO] [stdout]    |
[INFO] [stdout] 13 |   async fn echo(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 14 | |     info!("Got {:?}", _req);
[INFO] [stdout] 15 | |     let (parts, body) = _req.into_parts();
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |                         .into()))
[INFO] [stdout] 31 | | }
[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<Response<Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:13:74
[INFO] [stdout]    |
[INFO] [stdout] 13 |   async fn echo(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 14 | |     info!("Got {:?}", _req);
[INFO] [stdout] 15 | |     let (parts, body) = _req.into_parts();
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | |                         .into()))
[INFO] [stdout] 31 | | }
[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:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     Ok(Response::new(format!("{{\"method\" : \"{}\",\n\
[INFO] [stdout] 20 | |                             \"uri\" : \"{}\",\n\
[INFO] [stdout] 21 | |                             \"headers\" : {:?},\n\
[INFO] [stdout] 22 | |                             \"version\" : \"{:?}\",\n\
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |                     else { "\"none\"".to_string() } )
[INFO] [stdout] 30 | |                         .into()))
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {echo}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:39:50
[INFO] [stdout]    |
[INFO] [stdout] 39 |       let make_svc = make_service_fn(|_conn| async {
[INFO] [stdout]    |  __________________________________________________^
[INFO] [stdout] 40 | |         Ok::<_, Infallible>(service_fn(echo))
[INFO] [stdout] 41 | |     });
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<fn(hyper::Request<Body>) -> impl Future<Output = Result<Response<Body>, Infallible>> {echo}, Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Ok::<_, Infallible>(service_fn(echo))
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `au` (bin "au") due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a66108a01f96a5eae6f127cea19cdc7e6a721cc691860e8bda9bca42f0154f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66108a01f96a5eae6f127cea19cdc7e6a721cc691860e8bda9bca42f0154f15", kill_on_drop: false }`
[INFO] [stdout] a66108a01f96a5eae6f127cea19cdc7e6a721cc691860e8bda9bca42f0154f15