[INFO] fetching crate chiral-client 0.2.2...
[INFO] checking chiral-client-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate chiral-client 0.2.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate chiral-client 0.2.2
[INFO] finished tweaking crates.io crate chiral-client 0.2.2
[INFO] tweaked toml for crates.io crate chiral-client 0.2.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate chiral-client 0.2.2 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 crates.io crate chiral-client 0.2.2 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a2b0b1617d4de5d9a496837a6b08f9052f943da417b84987531da75899b54ef5
[INFO] running `Command { std: "docker" "start" "-a" "a2b0b1617d4de5d9a496837a6b08f9052f943da417b84987531da75899b54ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2b0b1617d4de5d9a496837a6b08f9052f943da417b84987531da75899b54ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b0b1617d4de5d9a496837a6b08f9052f943da417b84987531da75899b54ef5", kill_on_drop: false }`
[INFO] [stdout] a2b0b1617d4de5d9a496837a6b08f9052f943da417b84987531da75899b54ef5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2e9380defae5b6879f3fbc68550031b902839c252041ed8f495eaf1236d719e2
[INFO] running `Command { std: "docker" "start" "-a" "2e9380defae5b6879f3fbc68550031b902839c252041ed8f495eaf1236d719e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
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[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
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[INFO] [stderr]     Checking asn1-rs v0.6.2
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[INFO] [stderr]    Compiling prost-build v0.12.6
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[INFO] [stderr]    Compiling tonic-build v0.11.0
[INFO] [stderr]     Checking x509-parser v0.16.0
[INFO] [stderr]    Compiling chiral-client v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.17
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[INFO] [stderr]     Checking tokio-rustls v0.26.2
[INFO] [stderr]     Checking libunftp v0.20.3
[INFO] [stderr]     Checking unftp-sbe-fs v0.2.6
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/chiral-client-e2493717946260d0/out/chiral.rs:287:42
[INFO] [stdout]     |
[INFO] [stdout] 287 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 288 | |                         let inner = inner.0;
[INFO] [stdout] 289 | |                         let method = UserCommunicateSvc(inner);
[INFO] [stdout] 290 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 301 | |                         Ok(res)
[INFO] [stdout] 302 | |                     };
[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::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/chiral-client-e2493717946260d0/out/chiral.rs:301:25
[INFO] [stdout]     |
[INFO] [stdout] 301 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/chiral-client-e2493717946260d0/out/chiral.rs:331:42
[INFO] [stdout]     |
[INFO] [stdout] 331 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 332 | |                         let inner = inner.0;
[INFO] [stdout] 333 | |                         let method = SayHelloSvc(inner);
[INFO] [stdout] 334 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 345 | |                         Ok(res)
[INFO] [stdout] 346 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/chiral-client-e2493717946260d0/out/chiral.rs:345:25
[INFO] [stdout]     |
[INFO] [stdout] 345 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/chiral-client-e2493717946260d0/out/chiral.rs:350:41
[INFO] [stdout]     |
[INFO] [stdout] 350 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 351 | |                         Ok(
[INFO] [stdout] 352 | |                             http::Response::builder()
[INFO] [stdout] 353 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 359 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/chiral-client-e2493717946260d0/out/chiral.rs:351:25
[INFO] [stdout]     |
[INFO] [stdout] 351 | /                         Ok(
[INFO] [stdout] 352 | |                             http::Response::builder()
[INFO] [stdout] 353 | |                                 .status(200)
[INFO] [stdout] 354 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 357 | |                                 .unwrap(),
[INFO] [stdout] 358 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chiral-client` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/file.rs:492:14
[INFO] [stdout]     |
[INFO] [stdout] 492 |         let (handle, addr, shutdown_tx) = spawn_test_ftp_server_with_shutdown_ready();
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shutdown_tx`
[INFO] [stdout]    --> src/file.rs:492:28
[INFO] [stdout]     |
[INFO] [stdout] 492 |         let (handle, addr, shutdown_tx) = spawn_test_ftp_server_with_shutdown_ready();
[INFO] [stdout]     |                            ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/chiral-client-e2493717946260d0/out/chiral.rs:287:42
[INFO] [stdout]     |
[INFO] [stdout] 287 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 288 | |                         let inner = inner.0;
[INFO] [stdout] 289 | |                         let method = UserCommunicateSvc(inner);
[INFO] [stdout] 290 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 301 | |                         Ok(res)
[INFO] [stdout] 302 | |                     };
[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::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/chiral-client-e2493717946260d0/out/chiral.rs:301:25
[INFO] [stdout]     |
[INFO] [stdout] 301 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/chiral-client-e2493717946260d0/out/chiral.rs:331:42
[INFO] [stdout]     |
[INFO] [stdout] 331 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 332 | |                         let inner = inner.0;
[INFO] [stdout] 333 | |                         let method = SayHelloSvc(inner);
[INFO] [stdout] 334 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 345 | |                         Ok(res)
[INFO] [stdout] 346 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/chiral-client-e2493717946260d0/out/chiral.rs:345:25
[INFO] [stdout]     |
[INFO] [stdout] 345 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/chiral-client-e2493717946260d0/out/chiral.rs:350:41
[INFO] [stdout]     |
[INFO] [stdout] 350 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 351 | |                         Ok(
[INFO] [stdout] 352 | |                             http::Response::builder()
[INFO] [stdout] 353 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 359 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/chiral-client-e2493717946260d0/out/chiral.rs:351:25
[INFO] [stdout]     |
[INFO] [stdout] 351 | /                         Ok(
[INFO] [stdout] 352 | |                             http::Response::builder()
[INFO] [stdout] 353 | |                                 .status(200)
[INFO] [stdout] 354 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 357 | |                                 .unwrap(),
[INFO] [stdout] 358 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/file.rs:512:9
[INFO] [stdout]     |
[INFO] [stdout] 512 |         client.change_directory("upload1");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 512 |         let _ = client.change_directory("upload1");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chiral-client` (lib test) due to 6 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2e9380defae5b6879f3fbc68550031b902839c252041ed8f495eaf1236d719e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9380defae5b6879f3fbc68550031b902839c252041ed8f495eaf1236d719e2", kill_on_drop: false }`
[INFO] [stdout] 2e9380defae5b6879f3fbc68550031b902839c252041ed8f495eaf1236d719e2
