[INFO] cloning repository https://github.com/nukopy/rust-tokio-understanding-asynchronous-and-green-thread [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nukopy/rust-tokio-understanding-asynchronous-and-green-thread" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukopy%2Frust-tokio-understanding-asynchronous-and-green-thread", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukopy%2Frust-tokio-understanding-asynchronous-and-green-thread'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 08d6b07edded436a91256d15ce9f7a576914b6b5 [INFO] checking nukopy/rust-tokio-understanding-asynchronous-and-green-thread against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukopy%2Frust-tokio-understanding-asynchronous-and-green-thread" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nukopy/rust-tokio-understanding-asynchronous-and-green-thread on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nukopy/rust-tokio-understanding-asynchronous-and-green-thread [INFO] finished tweaking git repo https://github.com/nukopy/rust-tokio-understanding-asynchronous-and-green-thread [INFO] tweaked toml for git repo https://github.com/nukopy/rust-tokio-understanding-asynchronous-and-green-thread written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nukopy/rust-tokio-understanding-asynchronous-and-green-thread 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded console-api v0.5.0 [INFO] [stderr] Downloaded console-subscriber v0.1.9 [INFO] [stderr] Downloaded hdrhistogram v7.5.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d80b133515a865d87a49d07fcf71fc29b2e4195d06bf6015de609bd16df355d [INFO] running `Command { std: "docker" "start" "-a" "7d80b133515a865d87a49d07fcf71fc29b2e4195d06bf6015de609bd16df355d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d80b133515a865d87a49d07fcf71fc29b2e4195d06bf6015de609bd16df355d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d80b133515a865d87a49d07fcf71fc29b2e4195d06bf6015de609bd16df355d", kill_on_drop: false }` [INFO] [stdout] 7d80b133515a865d87a49d07fcf71fc29b2e4195d06bf6015de609bd16df355d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8151ed5758953d441a7644a36ffab764dac3b96747efe1f39aa8ce58523567f3 [INFO] running `Command { std: "docker" "start" "-a" "8151ed5758953d441a7644a36ffab764dac3b96747efe1f39aa8ce58523567f3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling tokio v1.28.2 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Compiling rustversion v1.0.12 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking http v0.2.9 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking try-lock v0.2.4 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling async-trait v0.1.68 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking tower-layer v0.3.2 [INFO] [stderr] Compiling axum-core v0.3.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling axum v0.6.18 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Checking percent-encoding v2.3.0 [INFO] [stderr] Checking matchit v0.7.0 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking sync_wrapper v0.1.2 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking base64 v0.21.2 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Compiling serde_json v1.0.97 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking flate2 v1.0.26 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking base64 v0.13.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.8.4 [INFO] [stderr] Compiling prost-derive v0.11.9 [INFO] [stderr] Checking hdrhistogram v7.5.2 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling tracing-attributes v0.1.25 [INFO] [stderr] Compiling pin-project-internal v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.164 [INFO] [stderr] Checking prost v0.11.9 [INFO] [stderr] Checking prost-types v0.11.9 [INFO] [stderr] Checking pin-project v1.1.0 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking tracing-subscriber v0.3.17 [INFO] [stderr] Checking tokio-util v0.7.8 [INFO] [stderr] Checking tokio-io-timeout v1.2.0 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking h2 v0.3.19 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking hyper v0.14.26 [INFO] [stderr] Checking hyper-timeout v0.4.1 [INFO] [stderr] Checking tonic v0.9.2 [INFO] [stderr] Checking console-api v0.5.0 [INFO] [stderr] Checking console-subscriber v0.1.9 [INFO] [stderr] Checking rust-tokio-understanding-asynchronous-and-green-thread v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `runtime` [INFO] [stdout] --> examples/ex7_customize_tokio_rt.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let runtime = tokio::runtime::Builder::new_multi_thread() [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s [INFO] running `Command { std: "docker" "inspect" "8151ed5758953d441a7644a36ffab764dac3b96747efe1f39aa8ce58523567f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8151ed5758953d441a7644a36ffab764dac3b96747efe1f39aa8ce58523567f3", kill_on_drop: false }` [INFO] [stdout] 8151ed5758953d441a7644a36ffab764dac3b96747efe1f39aa8ce58523567f3 [INFO] checking nukopy/rust-tokio-understanding-asynchronous-and-green-thread against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnukopy%2Frust-tokio-understanding-asynchronous-and-green-thread" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nukopy/rust-tokio-understanding-asynchronous-and-green-thread on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nukopy/rust-tokio-understanding-asynchronous-and-green-thread [INFO] finished tweaking git repo https://github.com/nukopy/rust-tokio-understanding-asynchronous-and-green-thread [INFO] tweaked toml for git repo https://github.com/nukopy/rust-tokio-understanding-asynchronous-and-green-thread written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nukopy/rust-tokio-understanding-asynchronous-and-green-thread 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7f776ded3a0784ed355dcc2e0f540bde835cf6dab30bf2e90835b9c9b7c97b6e [INFO] running `Command { std: "docker" "start" "-a" "7f776ded3a0784ed355dcc2e0f540bde835cf6dab30bf2e90835b9c9b7c97b6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f776ded3a0784ed355dcc2e0f540bde835cf6dab30bf2e90835b9c9b7c97b6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f776ded3a0784ed355dcc2e0f540bde835cf6dab30bf2e90835b9c9b7c97b6e", kill_on_drop: false }` [INFO] [stdout] 7f776ded3a0784ed355dcc2e0f540bde835cf6dab30bf2e90835b9c9b7c97b6e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b0f0ac88d6481ea3904d4364efc166fd39974808b6fbd836a8d0af70eab76459 [INFO] running `Command { std: "docker" "start" "-a" "b0f0ac88d6481ea3904d4364efc166fd39974808b6fbd836a8d0af70eab76459", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling tokio v1.28.2 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Compiling rustversion v1.0.12 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Checking http v0.2.9 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling async-trait v0.1.68 [INFO] [stderr] Checking try-lock v0.2.4 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Compiling axum-core v0.3.4 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Checking tower-layer v0.3.2 [INFO] [stderr] Compiling axum v0.6.18 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking percent-encoding v2.3.0 [INFO] [stderr] Checking matchit v0.7.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Checking sync_wrapper v0.1.2 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Compiling serde_json v1.0.97 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking base64 v0.21.2 [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Checking flate2 v1.0.26 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking base64 v0.13.1 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.8.4 [INFO] [stderr] Compiling prost-derive v0.11.9 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Checking hdrhistogram v7.5.2 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling tracing-attributes v0.1.25 [INFO] [stderr] Compiling pin-project-internal v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.164 [INFO] [stderr] Checking prost v0.11.9 [INFO] [stderr] Checking prost-types v0.11.9 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking pin-project v1.1.0 [INFO] [stderr] Checking tracing-subscriber v0.3.17 [INFO] [stderr] Checking futures-executor v0.3.28 [INFO] [stderr] Checking futures v0.3.28 [INFO] [stderr] Checking tokio-util v0.7.8 [INFO] [stderr] Checking tokio-io-timeout v1.2.0 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking h2 v0.3.19 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking hyper v0.14.26 [INFO] [stderr] Checking hyper-timeout v0.4.1 [INFO] [stderr] Checking tonic v0.9.2 [INFO] [stderr] Checking console-api v0.5.0 [INFO] [stderr] Checking console-subscriber v0.1.9 [INFO] [stderr] Checking rust-tokio-understanding-asynchronous-and-green-thread v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `runtime` [INFO] [stdout] --> examples/ex7_customize_tokio_rt.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let runtime = tokio::runtime::Builder::new_multi_thread() [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_runtime` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s [INFO] running `Command { std: "docker" "inspect" "b0f0ac88d6481ea3904d4364efc166fd39974808b6fbd836a8d0af70eab76459", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0f0ac88d6481ea3904d4364efc166fd39974808b6fbd836a8d0af70eab76459", kill_on_drop: false }` [INFO] [stdout] b0f0ac88d6481ea3904d4364efc166fd39974808b6fbd836a8d0af70eab76459