[INFO] cloning repository https://github.com/pglizniewicz/advanced-data-streaming-1 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pglizniewicz/advanced-data-streaming-1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpglizniewicz%2Fadvanced-data-streaming-1", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpglizniewicz%2Fadvanced-data-streaming-1'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 74816b4c2bb67e0f78ea86961bcb920e368ef0d0 [INFO] checking pglizniewicz/advanced-data-streaming-1 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpglizniewicz%2Fadvanced-data-streaming-1" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pglizniewicz/advanced-data-streaming-1 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pglizniewicz/advanced-data-streaming-1 [INFO] finished tweaking git repo https://github.com/pglizniewicz/advanced-data-streaming-1 [INFO] tweaked toml for git repo https://github.com/pglizniewicz/advanced-data-streaming-1 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/pglizniewicz/advanced-data-streaming-1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] da32cd1509085ac6e0010fc28f5ea8b5aea119a2fa06c7bae6d24c2d40b82cb5 [INFO] running `Command { std: "docker" "start" "-a" "da32cd1509085ac6e0010fc28f5ea8b5aea119a2fa06c7bae6d24c2d40b82cb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da32cd1509085ac6e0010fc28f5ea8b5aea119a2fa06c7bae6d24c2d40b82cb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da32cd1509085ac6e0010fc28f5ea8b5aea119a2fa06c7bae6d24c2d40b82cb5", kill_on_drop: false }` [INFO] [stdout] da32cd1509085ac6e0010fc28f5ea8b5aea119a2fa06c7bae6d24c2d40b82cb5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 882a384e59894d1b3aa053d8ad0aa3e2abff5b51f8386d829fc84f9338258c36 [INFO] running `Command { std: "docker" "start" "-a" "882a384e59894d1b3aa053d8ad0aa3e2abff5b51f8386d829fc84f9338258c36", kill_on_drop: false }` [INFO] [stderr] Compiling value-bag v1.0.0-alpha.6 [INFO] [stderr] Checking futures-core v0.3.12 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] 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manning-lp-async-rust-project-1-m2-solution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `futures::future` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::future; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::future` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::future; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:309:13 [INFO] [stdout] | [INFO] [stdout] 309 | let mut file = File::create(&self.filename) [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:309:13 [INFO] [stdout] | [INFO] [stdout] 309 | let mut file = File::create(&self.filename) [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `flush` [INFO] [stdout] --> src/main.rs:338:8 [INFO] [stdout] | [INFO] [stdout] 338 | fn flush(self: Self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | ctx.subscribe::().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | ctx.subscribe::().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:277:9 [INFO] [stdout] | [INFO] [stdout] 277 | ctx.subscribe::().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:308:9 [INFO] [stdout] | [INFO] [stdout] 308 | ctx.subscribe::().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:321:13 [INFO] [stdout] | [INFO] [stdout] 321 | / writeln!( [INFO] [stdout] 322 | | buf, [INFO] [stdout] 323 | | "{},{},${:.2},{:.2}%,${:.2},${:.2},${:.2}", [INFO] [stdout] 324 | | msg.beginning.to_rfc3339(), [INFO] [stdout] ... | [INFO] [stdout] 330 | | msg.sma_last [INFO] [stdout] 331 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:332:13 [INFO] [stdout] | [INFO] [stdout] 332 | buf.flush(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:340:13 [INFO] [stdout] | [INFO] [stdout] 340 | buf.flush(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `flush` [INFO] [stdout] --> src/main.rs:338:8 [INFO] [stdout] | [INFO] [stdout] 338 | fn flush(self: Self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:176:9 [INFO] [stdout] | [INFO] [stdout] 176 | ctx.subscribe::().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | ctx.subscribe::().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:277:9 [INFO] [stdout] | [INFO] [stdout] 277 | ctx.subscribe::().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:308:9 [INFO] [stdout] | [INFO] [stdout] 308 | ctx.subscribe::().await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:321:13 [INFO] [stdout] | [INFO] [stdout] 321 | / writeln!( [INFO] [stdout] 322 | | buf, [INFO] [stdout] 323 | | "{},{},${:.2},{:.2}%,${:.2},${:.2},${:.2}", [INFO] [stdout] 324 | | msg.beginning.to_rfc3339(), [INFO] [stdout] ... | [INFO] [stdout] 330 | | msg.sma_last [INFO] [stdout] 331 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:332:13 [INFO] [stdout] | [INFO] [stdout] 332 | buf.flush(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:340:13 [INFO] [stdout] | [INFO] [stdout] 340 | buf.flush(); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 46.98s [INFO] running `Command { std: "docker" "inspect" "882a384e59894d1b3aa053d8ad0aa3e2abff5b51f8386d829fc84f9338258c36", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "882a384e59894d1b3aa053d8ad0aa3e2abff5b51f8386d829fc84f9338258c36", kill_on_drop: false }` [INFO] [stdout] 882a384e59894d1b3aa053d8ad0aa3e2abff5b51f8386d829fc84f9338258c36