[INFO] fetching crate ippusb 0.5.0...
[INFO] checking ippusb-0.5.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ippusb 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ippusb 0.5.0
[INFO] finished tweaking crates.io crate ippusb 0.5.0
[INFO] tweaked toml for crates.io crate ippusb 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ippusb 0.5.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding hyper v0.14.32 (available: v1.8.0)
[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] f3582c6a09452dcc89b6391bd8c4d71bcab18be71e558066de37d7194c1fe493
[INFO] running `Command { std: "docker" "start" "-a" "f3582c6a09452dcc89b6391bd8c4d71bcab18be71e558066de37d7194c1fe493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3582c6a09452dcc89b6391bd8c4d71bcab18be71e558066de37d7194c1fe493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3582c6a09452dcc89b6391bd8c4d71bcab18be71e558066de37d7194c1fe493", kill_on_drop: false }`
[INFO] [stdout] f3582c6a09452dcc89b6391bd8c4d71bcab18be71e558066de37d7194c1fe493
[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] c101e819c2b0500a282beb5a0f0b4458a09c7922f117a23838e80bc3f6a402cf
[INFO] running `Command { std: "docker" "start" "-a" "c101e819c2b0500a282beb5a0f0b4458a09c7922f117a23838e80bc3f6a402cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libusb1-sys v0.7.0
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling rusb v0.9.4
[INFO] [stderr]     Checking chunked_transfer v1.5.0
[INFO] [stderr]     Checking testing_logger v0.1.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking ippusb v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]    --> src/bridge.rs:131:58
[INFO] [stdout]     |
[INFO] [stdout] 131 |       ) -> std::result::Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  __________________________________________________________^
[INFO] [stdout] 132 | |         if usb.is_none() {
[INFO] [stdout] 133 | |             return Ok(Response::builder()
[INFO] [stdout] 134 | |                 .status(StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |             })
[INFO] [stdout] 149 | |     }
[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: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]    --> src/bridge.rs:131:58
[INFO] [stdout]     |
[INFO] [stdout] 131 |       ) -> std::result::Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  __________________________________________________________^
[INFO] [stdout] 132 | |         if usb.is_none() {
[INFO] [stdout] 133 | |             return Ok(Response::builder()
[INFO] [stdout] 134 | |                 .status(StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |             })
[INFO] [stdout] 149 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]    --> src/bridge.rs:133:20
[INFO] [stdout]     |
[INFO] [stdout] 133 |               return Ok(Response::builder()
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 134 | |                 .status(StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] 135 | |                 .body(Body::empty())
[INFO] [stdout] 136 | |                 .unwrap());
[INFO] [stdout]     | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]    --> src/bridge.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 | /         handle_request(verbose, usb, request, handle)
[INFO] [stdout] 141 | |             .await
[INFO] [stdout] 142 | |             .or_else(|err| {
[INFO] [stdout] 143 | |                 error!("Request failed: {}", err);
[INFO] [stdout] ...   |
[INFO] [stdout] 147 | |                     .unwrap())
[INFO] [stdout] 148 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]    --> src/bridge.rs:142:28
[INFO] [stdout]     |
[INFO] [stdout] 142 |               .or_else(|err| {
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 143 | |                 error!("Request failed: {}", err);
[INFO] [stdout] 144 | |                 Ok(Response::builder()
[INFO] [stdout] 145 | |                     .status(StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] 146 | |                     .body(Body::empty())
[INFO] [stdout] 147 | |                     .unwrap())
[INFO] [stdout] 148 | |             })
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]    --> src/bridge.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 | /                 Ok(Response::builder()
[INFO] [stdout] 145 | |                     .status(StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] 146 | |                     .body(Body::empty())
[INFO] [stdout] 147 | |                     .unwrap())
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ippusb` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> src/bridge.rs:131:58
[INFO] [stdout]     |
[INFO] [stdout] 131 |       ) -> std::result::Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  __________________________________________________________^
[INFO] [stdout] 132 | |         if usb.is_none() {
[INFO] [stdout] 133 | |             return Ok(Response::builder()
[INFO] [stdout] 134 | |                 .status(StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |             })
[INFO] [stdout] 149 | |     }
[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: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> src/bridge.rs:131:58
[INFO] [stdout]     |
[INFO] [stdout] 131 |       ) -> std::result::Result<Response<Body>, Infallible> {
[INFO] [stdout]     |  __________________________________________________________^
[INFO] [stdout] 132 | |         if usb.is_none() {
[INFO] [stdout] 133 | |             return Ok(Response::builder()
[INFO] [stdout] 134 | |                 .status(StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] ...   |
[INFO] [stdout] 148 | |             })
[INFO] [stdout] 149 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> src/bridge.rs:133:20
[INFO] [stdout]     |
[INFO] [stdout] 133 |               return Ok(Response::builder()
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 134 | |                 .status(StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] 135 | |                 .body(Body::empty())
[INFO] [stdout] 136 | |                 .unwrap());
[INFO] [stdout]     | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> src/bridge.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 | /         handle_request(verbose, usb, request, handle)
[INFO] [stdout] 141 | |             .await
[INFO] [stdout] 142 | |             .or_else(|err| {
[INFO] [stdout] 143 | |                 error!("Request failed: {}", err);
[INFO] [stdout] ...   |
[INFO] [stdout] 147 | |                     .unwrap())
[INFO] [stdout] 148 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> src/bridge.rs:142:28
[INFO] [stdout]     |
[INFO] [stdout] 142 |               .or_else(|err| {
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 143 | |                 error!("Request failed: {}", err);
[INFO] [stdout] 144 | |                 Ok(Response::builder()
[INFO] [stdout] 145 | |                     .status(StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] 146 | |                     .body(Body::empty())
[INFO] [stdout] 147 | |                     .unwrap())
[INFO] [stdout] 148 | |             })
[INFO] [stdout]     | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<hyper::Body>, Infallible>
[INFO] [stdout]    --> src/bridge.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 | /                 Ok(Response::builder()
[INFO] [stdout] 145 | |                     .status(StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] 146 | |                     .body(Body::empty())
[INFO] [stdout] 147 | |                     .unwrap())
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ippusb` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "c101e819c2b0500a282beb5a0f0b4458a09c7922f117a23838e80bc3f6a402cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c101e819c2b0500a282beb5a0f0b4458a09c7922f117a23838e80bc3f6a402cf", kill_on_drop: false }`
[INFO] [stdout] c101e819c2b0500a282beb5a0f0b4458a09c7922f117a23838e80bc3f6a402cf