[INFO] cloning repository https://github.com/luckychacha/async_demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luckychacha/async_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluckychacha%2Fasync_demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluckychacha%2Fasync_demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c44c0f4f78182954de1c7c78e18dcfe05af91514 [INFO] testing luckychacha/async_demo against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluckychacha%2Fasync_demo" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/luckychacha/async_demo on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/luckychacha/async_demo [INFO] finished tweaking git repo https://github.com/luckychacha/async_demo [INFO] tweaked toml for git repo https://github.com/luckychacha/async_demo written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/luckychacha/async_demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 02be36c27a749b57735c85a3574ed9623a282affff28961e54bf9571449e8b5a [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" "02be36c27a749b57735c85a3574ed9623a282affff28961e54bf9571449e8b5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "02be36c27a749b57735c85a3574ed9623a282affff28961e54bf9571449e8b5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02be36c27a749b57735c85a3574ed9623a282affff28961e54bf9571449e8b5a", kill_on_drop: false }` [INFO] [stdout] 02be36c27a749b57735c85a3574ed9623a282affff28961e54bf9571449e8b5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4aabc8cb5a0c8f9a77363c453490cf2e883d26ebb0dda7a0e794fa57090ac39 [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" "e4aabc8cb5a0c8f9a77363c453490cf2e883d26ebb0dda7a0e794fa57090ac39", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling futures-io v0.3.17 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling async-trait v0.1.51 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling openssl-probe v0.1.4 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling tracing-core v0.1.21 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling tinyvec v1.5.0 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling openssl-sys v0.9.70 [INFO] [stderr] Compiling tokio v1.13.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling crossbeam v0.8.1 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling atoi v0.3.3 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Compiling tracing-serde v0.1.2 [INFO] [stderr] Compiling tokio-macros v1.5.1 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling async-stream v0.3.2 [INFO] [stderr] Compiling structopt v0.3.25 [INFO] [stderr] Compiling tracing v0.1.29 [INFO] [stderr] Compiling pin-project v1.0.8 [INFO] [stderr] Compiling tracing-futures v0.2.5 [INFO] [stderr] Compiling tracing-subscriber v0.2.25 [INFO] [stderr] Compiling futures-executor v0.3.17 [INFO] [stderr] Compiling futures v0.3.17 [INFO] [stderr] Compiling tokio-util v0.6.9 [INFO] [stderr] Compiling tokio-native-tls v0.3.0 [INFO] [stderr] Compiling tokio-stream v0.1.8 [INFO] [stderr] Compiling mini-redis v0.4.1 [INFO] [stderr] Compiling combine v4.6.2 [INFO] [stderr] Compiling redis v0.21.3 [INFO] [stderr] Compiling async_demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `client` [INFO] [stdout] --> src/main.rs:8:45 [INFO] [stdout] | [INFO] [stdout] 8 | use mini_redis::{Connection, Frame, Result, client}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 23s [INFO] running `Command { std: "docker" "inspect" "e4aabc8cb5a0c8f9a77363c453490cf2e883d26ebb0dda7a0e794fa57090ac39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4aabc8cb5a0c8f9a77363c453490cf2e883d26ebb0dda7a0e794fa57090ac39", kill_on_drop: false }` [INFO] [stdout] e4aabc8cb5a0c8f9a77363c453490cf2e883d26ebb0dda7a0e794fa57090ac39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 808eebd6bfa16993c3ffec18e978e9b466be4c422ba16dae46e013eaf010cd7f [INFO] running `Command { std: "docker" "start" "-a" "808eebd6bfa16993c3ffec18e978e9b466be4c422ba16dae46e013eaf010cd7f", kill_on_drop: false }` [INFO] [stderr] Compiling async_demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `TcpListener` [INFO] [stdout] --> examples/hello-redis.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use tokio::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `client` [INFO] [stdout] --> src/main.rs:8:45 [INFO] [stdout] | [INFO] [stdout] 8 | use mini_redis::{Connection, Frame, Result, client}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `process` [INFO] [stdout] --> examples/hello-redis.rs:42:10 [INFO] [stdout] | [INFO] [stdout] 42 | async fn process(socket: TcpStream) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> examples/test.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 8.43s [INFO] running `Command { std: "docker" "inspect" "808eebd6bfa16993c3ffec18e978e9b466be4c422ba16dae46e013eaf010cd7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "808eebd6bfa16993c3ffec18e978e9b466be4c422ba16dae46e013eaf010cd7f", kill_on_drop: false }` [INFO] [stdout] 808eebd6bfa16993c3ffec18e978e9b466be4c422ba16dae46e013eaf010cd7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 84090625a09c91ba403215295e082db3e5a0c75c77aec69042f9c01b57af71e2 [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" "84090625a09c91ba403215295e082db3e5a0c75c77aec69042f9c01b57af71e2", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `TcpListener` [INFO] [stderr] --> examples/hello-redis.rs:1:18 [INFO] [stderr] | [INFO] [stderr] 1 | use tokio::net::{TcpListener, TcpStream}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `process` [INFO] [stderr] --> examples/hello-redis.rs:42:10 [INFO] [stderr] | [INFO] [stderr] 42 | async fn process(socket: TcpStream) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> examples/test.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `client` [INFO] [stderr] --> src/main.rs:8:45 [INFO] [stderr] | [INFO] [stderr] 8 | use mini_redis::{Connection, Frame, Result, client}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `async_demo` (example "hello-redis") generated 2 warnings [INFO] [stderr] warning: `async_demo` (example "test") generated 1 warning [INFO] [stderr] warning: `async_demo` (bin "async_demo" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/async_demo-1e4896902815fe87) [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" "84090625a09c91ba403215295e082db3e5a0c75c77aec69042f9c01b57af71e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84090625a09c91ba403215295e082db3e5a0c75c77aec69042f9c01b57af71e2", kill_on_drop: false }` [INFO] [stdout] 84090625a09c91ba403215295e082db3e5a0c75c77aec69042f9c01b57af71e2