[INFO] fetching crate macrograph 0.0.0... [INFO] testing macrograph-0.0.0 against 1.91.0 for beta-1.92-2 [INFO] extracting crate macrograph 0.0.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate macrograph 0.0.0 [INFO] finished tweaking crates.io crate macrograph 0.0.0 [INFO] tweaked toml for crates.io crate macrograph 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate macrograph 0.0.0 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 25 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b521fd1f85b4215faf71ad2524b433ce146a0283b2cd2cfc5036790925712567 [INFO] running `Command { std: "docker" "start" "-a" "b521fd1f85b4215faf71ad2524b433ce146a0283b2cd2cfc5036790925712567", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b521fd1f85b4215faf71ad2524b433ce146a0283b2cd2cfc5036790925712567", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b521fd1f85b4215faf71ad2524b433ce146a0283b2cd2cfc5036790925712567", kill_on_drop: false }` [INFO] [stdout] b521fd1f85b4215faf71ad2524b433ce146a0283b2cd2cfc5036790925712567 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bdaf465b3597771c5b289d20da02d6ba22fef28478d102d34c6783a0d3817c10 [INFO] running `Command { std: "docker" "start" "-a" "bdaf465b3597771c5b289d20da02d6ba22fef28478d102d34c6783a0d3817c10", kill_on_drop: false }` [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling tokio v1.48.0 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling macrograph v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/core.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | _ => {} [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/core.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 91 | CreateNode { package, schema } => { [INFO] [stdout] | ------------------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 94 | / ConnectIO { [INFO] [stdout] 95 | | output_node, [INFO] [stdout] 96 | | output, [INFO] [stdout] 97 | | input_node, [INFO] [stdout] 98 | | input, [INFO] [stdout] 99 | | } => { [INFO] [stdout] | |_____________- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 102 | Event(event) => { [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 105 | Stop => { [INFO] [stdout] | ---- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 108 | _ => {} [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/core.rs:215:25 [INFO] [stdout] | [INFO] [stdout] 212 | NodeSchema::Exec(_) | NodeSchema::Event(_) => { [INFO] [stdout] | ------------------------------------------ matches all the relevant values [INFO] [stdout] ... [INFO] [stdout] 215 | _ => {} [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | self.connect_io(output_node, &output, input_node, &input); [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] 100 | let _ = self.connect_io(output_node, &output, input_node, &input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/engine.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | / self.event_channel.send(Request { [INFO] [stdout] 34 | | id: -1, [INFO] [stdout] 35 | | data: RequestData::Event(Event { [INFO] [stdout] 36 | | package: self.package.clone(), [INFO] [stdout] ... | [INFO] [stdout] 39 | | }), [INFO] [stdout] 40 | | }); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = self.event_channel.send(Request { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.85s [INFO] running `Command { std: "docker" "inspect" "bdaf465b3597771c5b289d20da02d6ba22fef28478d102d34c6783a0d3817c10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdaf465b3597771c5b289d20da02d6ba22fef28478d102d34c6783a0d3817c10", kill_on_drop: false }` [INFO] [stdout] bdaf465b3597771c5b289d20da02d6ba22fef28478d102d34c6783a0d3817c10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47a3b618c064a1f46e4fc721a19284b5644a67a6a22cb33ecd66f04f723a849c [INFO] running `Command { std: "docker" "start" "-a" "47a3b618c064a1f46e4fc721a19284b5644a67a6a22cb33ecd66f04f723a849c", kill_on_drop: false }` [INFO] [stderr] Compiling macrograph v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/core.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | _ => {} [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/core.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 91 | CreateNode { package, schema } => { [INFO] [stdout] | ------------------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 94 | / ConnectIO { [INFO] [stdout] 95 | | output_node, [INFO] [stdout] 96 | | output, [INFO] [stdout] 97 | | input_node, [INFO] [stdout] 98 | | input, [INFO] [stdout] 99 | | } => { [INFO] [stdout] | |_____________- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 102 | Event(event) => { [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 105 | Stop => { [INFO] [stdout] | ---- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 108 | _ => {} [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/core.rs:215:25 [INFO] [stdout] | [INFO] [stdout] 212 | NodeSchema::Exec(_) | NodeSchema::Event(_) => { [INFO] [stdout] | ------------------------------------------ matches all the relevant values [INFO] [stdout] ... [INFO] [stdout] 215 | _ => {} [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | self.connect_io(output_node, &output, input_node, &input); [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] 100 | let _ = self.connect_io(output_node, &output, input_node, &input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/engine.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | / self.event_channel.send(Request { [INFO] [stdout] 34 | | id: -1, [INFO] [stdout] 35 | | data: RequestData::Event(Event { [INFO] [stdout] 36 | | package: self.package.clone(), [INFO] [stdout] ... | [INFO] [stdout] 39 | | }), [INFO] [stdout] 40 | | }); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = self.event_channel.send(Request { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/core.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 108 | _ => {} [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/core.rs:108:13 [INFO] [stdout] | [INFO] [stdout] 91 | CreateNode { package, schema } => { [INFO] [stdout] | ------------------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 94 | / ConnectIO { [INFO] [stdout] 95 | | output_node, [INFO] [stdout] 96 | | output, [INFO] [stdout] 97 | | input_node, [INFO] [stdout] 98 | | input, [INFO] [stdout] 99 | | } => { [INFO] [stdout] | |_____________- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 102 | Event(event) => { [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 105 | Stop => { [INFO] [stdout] | ---- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 108 | _ => {} [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/core.rs:215:25 [INFO] [stdout] | [INFO] [stdout] 212 | NodeSchema::Exec(_) | NodeSchema::Event(_) => { [INFO] [stdout] | ------------------------------------------ matches all the relevant values [INFO] [stdout] ... [INFO] [stdout] 215 | _ => {} [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | self.connect_io(output_node, &output, input_node, &input); [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] 100 | let _ = self.connect_io(output_node, &output, input_node, &input); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/engine.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | / self.event_channel.send(Request { [INFO] [stdout] 34 | | id: -1, [INFO] [stdout] 35 | | data: RequestData::Event(Event { [INFO] [stdout] 36 | | package: self.package.clone(), [INFO] [stdout] ... | [INFO] [stdout] 39 | | }), [INFO] [stdout] 40 | | }); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 33 | let _ = self.event_channel.send(Request { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "47a3b618c064a1f46e4fc721a19284b5644a67a6a22cb33ecd66f04f723a849c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47a3b618c064a1f46e4fc721a19284b5644a67a6a22cb33ecd66f04f723a849c", kill_on_drop: false }` [INFO] [stdout] 47a3b618c064a1f46e4fc721a19284b5644a67a6a22cb33ecd66f04f723a849c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0a3155bfc12d89c850f128fe667f801cb43870feff4a1c6a6fce6c03845e8294 [INFO] running `Command { std: "docker" "start" "-a" "0a3155bfc12d89c850f128fe667f801cb43870feff4a1c6a6fce6c03845e8294", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unreachable pattern [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/core.rs:108:13 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 108 | _ => {} [INFO] [stdout] [INFO] [stderr] | ^ no value can reach this [INFO] [stderr] | [INFO] [stderr] note: multiple earlier patterns match some of the same values [INFO] [stderr] --> src/core.rs:108:13 [INFO] [stderr] | [INFO] [stderr] 91 | CreateNode { package, schema } => { [INFO] [stderr] | ------------------------------ matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 94 | / ConnectIO { [INFO] [stderr] 95 | | output_node, [INFO] [stderr] 96 | | output, [INFO] [stderr] 97 | | input_node, [INFO] [stderr] 98 | | input, [INFO] [stderr] 99 | | } => { [INFO] [stderr] | |_____________- matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 102 | Event(event) => { [INFO] [stderr] | ------------ matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 105 | Stop => { [INFO] [stderr] | ---- matches some of the same values [INFO] [stderr] ... [INFO] [stderr] 108 | _ => {} [INFO] [stderr] | ^ collectively making this unreachable [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/core.rs:215:25 [INFO] [stderr] | [INFO] [stderr] 212 | NodeSchema::Exec(_) | NodeSchema::Event(_) => { [INFO] [stderr] | ------------------------------------------ matches all the relevant values [INFO] [stderr] ... [INFO] [stderr] 215 | _ => {} [INFO] [stderr] | ^ no value can reach this [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/core.rs:100:17 [INFO] [stderr] | [INFO] [stderr] 100 | self.connect_io(output_node, &output, input_node, &input); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 100 | let _ = self.connect_io(output_node, &output, input_node, &input); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/engine.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | / self.event_channel.send(Request { [INFO] [stderr] 34 | | id: -1, [INFO] [stderr] 35 | | data: RequestData::Event(Event { [INFO] [stderr] 36 | | package: self.package.clone(), [INFO] [stderr] ... | [INFO] [stderr] 39 | | }), [INFO] [stderr] 40 | | }); [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 33 | let _ = self.event_channel.send(Request { [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `macrograph` (lib) generated 4 warnings [INFO] [stderr] warning: `macrograph` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/macrograph-73afd38b0ed81395) [INFO] [stderr] Doc-tests macrograph [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0a3155bfc12d89c850f128fe667f801cb43870feff4a1c6a6fce6c03845e8294", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a3155bfc12d89c850f128fe667f801cb43870feff4a1c6a6fce6c03845e8294", kill_on_drop: false }` [INFO] [stdout] 0a3155bfc12d89c850f128fe667f801cb43870feff4a1c6a6fce6c03845e8294