[INFO] fetching crate rama-net 0.3.0-alpha.3...
[INFO] checking rama-net-0.3.0-alpha.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rama-net 0.3.0-alpha.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rama-net 0.3.0-alpha.3
[INFO] finished tweaking crates.io crate rama-net 0.3.0-alpha.3
[INFO] tweaked toml for crates.io crate rama-net 0.3.0-alpha.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rama-net 0.3.0-alpha.3 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 rama-net 0.3.0-alpha.3 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9aafea13f6f0189a464369bd9c395058535872fc59b82d1211dc57fac7680926
[INFO] running `Command { std: "docker" "start" "-a" "9aafea13f6f0189a464369bd9c395058535872fc59b82d1211dc57fac7680926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9aafea13f6f0189a464369bd9c395058535872fc59b82d1211dc57fac7680926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aafea13f6f0189a464369bd9c395058535872fc59b82d1211dc57fac7680926", kill_on_drop: false }`
[INFO] [stdout] 9aafea13f6f0189a464369bd9c395058535872fc59b82d1211dc57fac7680926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 831b2000275f3afdb1712b5ee884e9f646fd885e469c895f3995e152b1c3189b
[INFO] running `Command { std: "docker" "start" "-a" "831b2000275f3afdb1712b5ee884e9f646fd885e469c895f3995e152b1c3189b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking smol_str v0.3.2
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]     Checking psl-types v2.0.11
[INFO] [stderr]     Checking rama-error v0.3.0-alpha.3
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking psl v2.1.139
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking const_format v0.2.34
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling rama-macros v0.3.0-alpha.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-graceful v0.2.2
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking tokio-test v0.4.4
[INFO] [stderr]     Checking rama-utils v0.3.0-alpha.3
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking rama-core v0.3.0-alpha.3
[INFO] [stderr]     Checking rama-net v0.3.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<EstablishedClientConnection<MockSocket, State, Request>, Infallible>
[INFO] [stdout]   --> src/test_utils/client/mock_connector.rs:62:46
[INFO] [stdout]    |
[INFO] [stdout] 62 |       ) -> Result<Self::Response, Self::Error> {
[INFO] [stdout]    |  ______________________________________________^
[INFO] [stdout] 63 | |         let (client, server) = duplex(self.max_buffer_size);
[INFO] [stdout] 64 | |         let client_socket = MockSocket { stream: client };
[INFO] [stdout] 65 | |         let server_socket = MockSocket { stream: server };
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |         })
[INFO] [stdout] 79 | |     }
[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<EstablishedClientConnection<MockSocket, State, Request>, Infallible>
[INFO] [stdout]   --> src/test_utils/client/mock_connector.rs:62:46
[INFO] [stdout]    |
[INFO] [stdout] 62 |       ) -> Result<Self::Response, Self::Error> {
[INFO] [stdout]    |  ______________________________________________^
[INFO] [stdout] 63 | |         let (client, server) = duplex(self.max_buffer_size);
[INFO] [stdout] 64 | |         let client_socket = MockSocket { stream: client };
[INFO] [stdout] 65 | |         let server_socket = MockSocket { stream: server };
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |         })
[INFO] [stdout] 79 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EstablishedClientConnection<MockSocket, State, Request>, Infallible>
[INFO] [stdout]   --> src/test_utils/client/mock_connector.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | /         Ok(EstablishedClientConnection {
[INFO] [stdout] 75 | |             ctx,
[INFO] [stdout] 76 | |             req,
[INFO] [stdout] 77 | |             conn: client_socket,
[INFO] [stdout] 78 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rama-net` (lib) due to 3 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<EstablishedClientConnection<Vec<u32>, State, Request>, Infallible>
[INFO] [stdout]    --> src/client/pool/mod.rs:826:50
[INFO] [stdout]     |
[INFO] [stdout] 826 |           ) -> Result<Self::Response, Self::Error> {
[INFO] [stdout]     |  __________________________________________________^
[INFO] [stdout] 827 | |             let conn = vec![];
[INFO] [stdout] 828 | |             self.created_connection.fetch_add(1, Ordering::Relaxed);
[INFO] [stdout] 829 | |             Ok(EstablishedClientConnection { ctx, req, conn })
[INFO] [stdout] 830 | |         }
[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<EstablishedClientConnection<Vec<u32>, State, Request>, Infallible>
[INFO] [stdout]    --> src/client/pool/mod.rs:826:50
[INFO] [stdout]     |
[INFO] [stdout] 826 |           ) -> Result<Self::Response, Self::Error> {
[INFO] [stdout]     |  __________________________________________________^
[INFO] [stdout] 827 | |             let conn = vec![];
[INFO] [stdout] 828 | |             self.created_connection.fetch_add(1, Ordering::Relaxed);
[INFO] [stdout] 829 | |             Ok(EstablishedClientConnection { ctx, req, conn })
[INFO] [stdout] 830 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EstablishedClientConnection<Vec<u32>, State, Request>, Infallible>
[INFO] [stdout]    --> src/client/pool/mod.rs:829:13
[INFO] [stdout]     |
[INFO] [stdout] 829 |             Ok(EstablishedClientConnection { ctx, req, conn })
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EstablishedClientConnection<InnerService, State, Request>, Infallible>
[INFO] [stdout]    --> src/client/pool/mod.rs:968:50
[INFO] [stdout]     |
[INFO] [stdout] 968 |           ) -> Result<Self::Response, Self::Error> {
[INFO] [stdout]     |  __________________________________________________^
[INFO] [stdout] 969 | |             let conn = InnerService::default();
[INFO] [stdout] 970 | |             self.created_connection.fetch_add(1, Ordering::Relaxed);
[INFO] [stdout] 971 | |             Ok(EstablishedClientConnection { ctx, req, conn })
[INFO] [stdout] 972 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EstablishedClientConnection<InnerService, State, Request>, Infallible>
[INFO] [stdout]    --> src/client/pool/mod.rs:968:50
[INFO] [stdout]     |
[INFO] [stdout] 968 |           ) -> Result<Self::Response, Self::Error> {
[INFO] [stdout]     |  __________________________________________________^
[INFO] [stdout] 969 | |             let conn = InnerService::default();
[INFO] [stdout] 970 | |             self.created_connection.fetch_add(1, Ordering::Relaxed);
[INFO] [stdout] 971 | |             Ok(EstablishedClientConnection { ctx, req, conn })
[INFO] [stdout] 972 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EstablishedClientConnection<InnerService, State, Request>, Infallible>
[INFO] [stdout]    --> src/client/pool/mod.rs:971:13
[INFO] [stdout]     |
[INFO] [stdout] 971 |             Ok(EstablishedClientConnection { ctx, req, conn })
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EstablishedClientConnection<MockSocket, State, Request>, Infallible>
[INFO] [stdout]   --> src/test_utils/client/mock_connector.rs:62:46
[INFO] [stdout]    |
[INFO] [stdout] 62 |       ) -> Result<Self::Response, Self::Error> {
[INFO] [stdout]    |  ______________________________________________^
[INFO] [stdout] 63 | |         let (client, server) = duplex(self.max_buffer_size);
[INFO] [stdout] 64 | |         let client_socket = MockSocket { stream: client };
[INFO] [stdout] 65 | |         let server_socket = MockSocket { stream: server };
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |         })
[INFO] [stdout] 79 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EstablishedClientConnection<MockSocket, State, Request>, Infallible>
[INFO] [stdout]   --> src/test_utils/client/mock_connector.rs:62:46
[INFO] [stdout]    |
[INFO] [stdout] 62 |       ) -> Result<Self::Response, Self::Error> {
[INFO] [stdout]    |  ______________________________________________^
[INFO] [stdout] 63 | |         let (client, server) = duplex(self.max_buffer_size);
[INFO] [stdout] 64 | |         let client_socket = MockSocket { stream: client };
[INFO] [stdout] 65 | |         let server_socket = MockSocket { stream: server };
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |         })
[INFO] [stdout] 79 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<EstablishedClientConnection<MockSocket, State, Request>, Infallible>
[INFO] [stdout]   --> src/test_utils/client/mock_connector.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | /         Ok(EstablishedClientConnection {
[INFO] [stdout] 75 | |             ctx,
[INFO] [stdout] 76 | |             req,
[INFO] [stdout] 77 | |             conn: client_socket,
[INFO] [stdout] 78 | |         })
[INFO] [stdout]    | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rama-net` (lib test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "831b2000275f3afdb1712b5ee884e9f646fd885e469c895f3995e152b1c3189b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831b2000275f3afdb1712b5ee884e9f646fd885e469c895f3995e152b1c3189b", kill_on_drop: false }`
[INFO] [stdout] 831b2000275f3afdb1712b5ee884e9f646fd885e469c895f3995e152b1c3189b
