[INFO] cloning repository https://github.com/Yougigun/learning_tokio [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yougigun/learning_tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYougigun%2Flearning_tokio", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYougigun%2Flearning_tokio'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f16863b510097081efdcb39d039a27acf000bd01 [INFO] building Yougigun/learning_tokio against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYougigun%2Flearning_tokio" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Yougigun/learning_tokio [INFO] finished tweaking git repo https://github.com/Yougigun/learning_tokio [INFO] tweaked toml for git repo https://github.com/Yougigun/learning_tokio written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Yougigun/learning_tokio on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Yougigun/learning_tokio 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded atoi v0.3.3 [INFO] [stderr] Downloaded mini-redis v0.4.1 [INFO] [stderr] Downloaded ipnet v2.7.2 [INFO] [stderr] Downloaded tokio v1.28.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 620a75c89c79741540cb259226d4768e362040985a4537a550a5fe65cd4572ed [INFO] running `Command { std: "docker" "start" "-a" "620a75c89c79741540cb259226d4768e362040985a4537a550a5fe65cd4572ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "620a75c89c79741540cb259226d4768e362040985a4537a550a5fe65cd4572ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "620a75c89c79741540cb259226d4768e362040985a4537a550a5fe65cd4572ed", kill_on_drop: false }` [INFO] [stdout] 620a75c89c79741540cb259226d4768e362040985a4537a550a5fe65cd4572ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5af1264539a98e2f593fe3b18efeb0649d51fd55006241dce3eb69a80e47763f [INFO] running `Command { std: "docker" "start" "-a" "5af1264539a98e2f593fe3b18efeb0649d51fd55006241dce3eb69a80e47763f", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [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 pin-project-lite v0.2.9 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling tokio v1.28.2 [INFO] [stderr] Compiling tracing-core v0.1.31 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling futures-sink v0.3.28 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling regex-syntax v0.7.4 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling serde_json v1.0.99 [INFO] [stderr] Compiling unicode-segmentation v1.10.1 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling iana-time-zone v0.1.57 [INFO] [stderr] Compiling futures-io v0.3.28 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stderr] Compiling thread_local v1.1.7 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling openssl v0.10.55 [INFO] [stderr] Compiling tracing-log v0.1.3 [INFO] [stderr] Compiling http v0.2.9 [INFO] [stderr] Compiling try-lock v0.2.4 [INFO] [stderr] Compiling percent-encoding v2.3.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling want v0.3.1 [INFO] [stderr] Compiling unicode-bidi v0.3.13 [INFO] [stderr] Compiling form_urlencoded v1.2.0 [INFO] [stderr] Compiling encoding_rs v0.8.32 [INFO] [stderr] Compiling base64 v0.21.2 [INFO] [stderr] Compiling ipnet v2.7.2 [INFO] [stderr] Compiling learning_pin v0.1.0 (/opt/rustwide/workdir/learning_pin) [INFO] [stderr] Compiling openssl-sys v0.9.90 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling idna v0.4.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling chrono v0.4.26 [INFO] [stderr] Compiling atoi v0.3.3 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Compiling regex-automata v0.3.3 [INFO] [stderr] Compiling url v2.4.0 [INFO] [stderr] Compiling http-body v0.4.5 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling num_cpus v1.15.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling regex v1.9.1 [INFO] [stderr] Compiling tracing-serde v0.1.3 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling structopt v0.3.26 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling tracing-attributes v0.1.26 [INFO] [stderr] Compiling pin-project-internal v1.1.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling async-stream v0.3.5 [INFO] [stderr] Compiling pin-project v1.1.0 [INFO] [stderr] Compiling tracing v0.1.37 [INFO] [stderr] Compiling tracing-subscriber v0.2.25 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling futures-executor v0.3.28 [INFO] [stderr] Compiling futures v0.3.28 [INFO] [stderr] Compiling my_own_future_and_executor v0.1.0 (/opt/rustwide/workdir/my_own_future_and_executor) [INFO] [stderr] Compiling tokio-stream v0.1.14 [INFO] [stderr] Compiling tokio-util v0.7.8 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling h2 v0.3.20 [INFO] [stderr] Compiling mini-redis v0.4.1 [INFO] [stderr] Compiling my-redis v0.1.0 (/opt/rustwide/workdir/my-redis) [INFO] [stderr] Compiling making_own_future v0.1.0 (/opt/rustwide/workdir/making_own_future) [INFO] [stderr] Compiling using_join_marco v0.1.0 (/opt/rustwide/workdir/using_join_marco) [INFO] [stderr] Compiling using_like_goroutine v0.1.0 (/opt/rustwide/workdir/using_like_goroutine) [INFO] [stdout] warning: struct `Delay` is never constructed [INFO] [stdout] --> making_own_future/src/main.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | struct Delay { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `MainFuture` is never used [INFO] [stdout] --> making_own_future/src/main.rs:54:6 [INFO] [stdout] | [INFO] [stdout] 54 | enum MainFuture { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_` is never used [INFO] [stdout] --> making_own_future/src/main.rs:94:10 [INFO] [stdout] | [INFO] [stdout] 94 | async fn hello_() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `lib::Connection` [INFO] [stdout] --> my-redis/src/bin/frame.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use lib::Connection; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling hyper v0.14.27 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.18 [INFO] [stderr] Compiling timer_wrapper_future v0.1.0 (/opt/rustwide/workdir/timer_wrapper_future) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.51s [INFO] running `Command { std: "docker" "inspect" "5af1264539a98e2f593fe3b18efeb0649d51fd55006241dce3eb69a80e47763f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5af1264539a98e2f593fe3b18efeb0649d51fd55006241dce3eb69a80e47763f", kill_on_drop: false }` [INFO] [stdout] 5af1264539a98e2f593fe3b18efeb0649d51fd55006241dce3eb69a80e47763f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 223cfaf3769ba5b39c52b49a186efadc420f537b52df6592dd16d82999e569ea [INFO] running `Command { std: "docker" "start" "-a" "223cfaf3769ba5b39c52b49a186efadc420f537b52df6592dd16d82999e569ea", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling my-redis v0.1.0 (/opt/rustwide/workdir/my-redis) [INFO] [stderr] Compiling my_own_future_and_executor v0.1.0 (/opt/rustwide/workdir/my_own_future_and_executor) [INFO] [stderr] Compiling learning_pin v0.1.0 (/opt/rustwide/workdir/learning_pin) [INFO] [stderr] Compiling using_like_goroutine v0.1.0 (/opt/rustwide/workdir/using_like_goroutine) [INFO] [stderr] Compiling using_join_marco v0.1.0 (/opt/rustwide/workdir/using_join_marco) [INFO] [stderr] Compiling timer_wrapper_future v0.1.0 (/opt/rustwide/workdir/timer_wrapper_future) [INFO] [stdout] warning: unused import: `lib::Connection` [INFO] [stdout] --> my-redis/src/bin/frame.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use lib::Connection; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling making_own_future v0.1.0 (/opt/rustwide/workdir/making_own_future) [INFO] [stdout] warning: struct `Delay` is never constructed [INFO] [stdout] --> making_own_future/src/main.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | struct Delay { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `MainFuture` is never used [INFO] [stdout] --> making_own_future/src/main.rs:54:6 [INFO] [stdout] | [INFO] [stdout] 54 | enum MainFuture { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello_` is never used [INFO] [stdout] --> making_own_future/src/main.rs:94:10 [INFO] [stdout] | [INFO] [stdout] 94 | async fn hello_() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.93s [INFO] running `Command { std: "docker" "inspect" "223cfaf3769ba5b39c52b49a186efadc420f537b52df6592dd16d82999e569ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "223cfaf3769ba5b39c52b49a186efadc420f537b52df6592dd16d82999e569ea", kill_on_drop: false }` [INFO] [stdout] 223cfaf3769ba5b39c52b49a186efadc420f537b52df6592dd16d82999e569ea