[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#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpglizniewicz%2Fadvanced-data-streaming-1" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pglizniewicz/advanced-data-streaming-1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-2/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nb-connect v1.0.3 [INFO] [stderr] Downloaded anyhow v1.0.41 [INFO] [stderr] Downloaded signal-hook v0.3.6 [INFO] [stderr] Downloaded crossbeam-utils v0.8.2 [INFO] [stderr] Downloaded async-process v1.0.2 [INFO] [stderr] Downloaded loom v0.4.0 [INFO] [stderr] Downloaded ctor v0.1.19 [INFO] [stderr] Downloaded once_cell v1.6.0 [INFO] [stderr] Downloaded generator v0.6.24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8c77b85fc2fe8934171fc5d1398c16447b43dd86c0bf87becb45bf72ffbc14f7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8c77b85fc2fe8934171fc5d1398c16447b43dd86c0bf87becb45bf72ffbc14f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c77b85fc2fe8934171fc5d1398c16447b43dd86c0bf87becb45bf72ffbc14f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c77b85fc2fe8934171fc5d1398c16447b43dd86c0bf87becb45bf72ffbc14f7", kill_on_drop: false }` [INFO] [stdout] 8c77b85fc2fe8934171fc5d1398c16447b43dd86c0bf87becb45bf72ffbc14f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f506ca6706add028bc209c5a741791d09edabd5af1c7c57805398124aa9f2d3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2f506ca6706add028bc209c5a741791d09edabd5af1c7c57805398124aa9f2d3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.6 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking futures-io v0.3.12 [INFO] [stderr] Compiling openssl v0.10.32 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.2 [INFO] [stderr] Compiling openssl-sys v0.9.60 [INFO] [stderr] Checking futures-task v0.3.12 [INFO] [stderr] Checking async-lock v2.3.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking tokio v0.3.7 [INFO] [stderr] Checking futures-lite v1.11.3 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking idna v0.2.2 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking socket2 v0.3.19 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking ring v0.16.20 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking signal-hook v0.3.6 [INFO] [stderr] Checking nb-connect v1.0.3 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Compiling ctor v0.1.19 [INFO] [stderr] Compiling futures-macro v0.3.12 [INFO] [stderr] Compiling pin-project-internal v1.0.5 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Compiling async-trait v0.1.42 [INFO] [stderr] Compiling xactor-derive v0.7.1 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking futures-util v0.3.12 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tracing v0.1.24 [INFO] [stderr] Checking polling v2.0.2 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking rustls v0.18.1 [INFO] [stderr] Checking async-io v1.3.1 [INFO] [stderr] Checking pin-project v1.0.5 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking async-process v1.0.2 [INFO] [stderr] Checking async-global-executor v2.0.2 [INFO] [stderr] Checking async-std v1.9.0 [INFO] [stderr] Checking serde v1.0.123 [INFO] [stderr] Checking futures-executor v0.3.12 [INFO] [stderr] Checking futures v0.3.12 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking tokio-compat-02 v0.1.2 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking xactor v0.7.11 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stderr] Checking yahoo_finance_api v1.1.5 [INFO] [stderr] Checking 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 58.59s [INFO] running `Command { std: "docker" "inspect" "2f506ca6706add028bc209c5a741791d09edabd5af1c7c57805398124aa9f2d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f506ca6706add028bc209c5a741791d09edabd5af1c7c57805398124aa9f2d3", kill_on_drop: false }` [INFO] [stdout] 2f506ca6706add028bc209c5a741791d09edabd5af1c7c57805398124aa9f2d3