[INFO] cloning repository https://github.com/ymgyt/tokio-mini-redis-handson [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ymgyt/tokio-mini-redis-handson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Ftokio-mini-redis-handson", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Ftokio-mini-redis-handson'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 055e792b048e97c81d21001eabb1c4492a3a8950 [INFO] checking ymgyt/tokio-mini-redis-handson against try#1f308f12738d8cc40bb23bf0c8114b37c164bb49 for pr-137268 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Ftokio-mini-redis-handson" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ymgyt/tokio-mini-redis-handson on toolchain 1f308f12738d8cc40bb23bf0c8114b37c164bb49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ymgyt/tokio-mini-redis-handson [INFO] finished tweaking git repo https://github.com/ymgyt/tokio-mini-redis-handson [INFO] tweaked toml for git repo https://github.com/ymgyt/tokio-mini-redis-handson written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ymgyt/tokio-mini-redis-handson 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" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9b67df43f536acaf40cf042aab88852342a53fb45c39cab36b1d4b82b83ab713 [INFO] running `Command { std: "docker" "start" "-a" "9b67df43f536acaf40cf042aab88852342a53fb45c39cab36b1d4b82b83ab713", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9b67df43f536acaf40cf042aab88852342a53fb45c39cab36b1d4b82b83ab713", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b67df43f536acaf40cf042aab88852342a53fb45c39cab36b1d4b82b83ab713", kill_on_drop: false }` [INFO] [stdout] 9b67df43f536acaf40cf042aab88852342a53fb45c39cab36b1d4b82b83ab713 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32f6be10ba2ea68bba7328d614146d7eaec3d23f42cdc4518e50091bf170d6af [INFO] running `Command { std: "docker" "start" "-a" "32f6be10ba2ea68bba7328d614146d7eaec3d23f42cdc4518e50091bf170d6af", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking tracing-core v0.1.13 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Checking sharded-slab v0.0.9 [INFO] [stderr] Checking pin-project-lite v0.1.7 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking smallvec v1.4.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking signal-hook-registry v1.2.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking clap v2.33.2 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking atoi v0.3.2 [INFO] [stderr] Checking chrono v0.4.13 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking tracing-serde v0.1.1 [INFO] [stderr] Checking tracing-subscriber v0.2.10 [INFO] [stderr] Compiling tracing-attributes v0.1.9 [INFO] [stderr] Compiling structopt-derive v0.4.9 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking async-stream v0.2.1 [INFO] [stderr] Checking tracing v0.1.18 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking tracing-futures v0.2.4 [INFO] [stderr] Checking structopt v0.3.16 [INFO] [stderr] Checking mini_redis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/server.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/server.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Semaphore`, `broadcast`, and `mpsc` [INFO] [stdout] --> src/server.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::sync::{broadcast, mpsc, Semaphore}; [INFO] [stdout] | ^^^^^^^^^ ^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration` and `self` [INFO] [stdout] --> src/server.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use tokio::time::{self, Duration}; [INFO] [stdout] | ^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `debug`, `error`, `info`, and `instrument` [INFO] [stdout] --> src/server.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use tracing::{debug, error, info, instrument}; [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `listener` [INFO] [stdout] --> src/server.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | pub async fn run(listener: TcpListener, shutdown: impl Future) -> crate::Result<()> { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_listener` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shutdown` [INFO] [stdout] --> src/server.rs:8:41 [INFO] [stdout] | [INFO] [stdout] 8 | pub async fn run(listener: TcpListener, shutdown: impl Future) -> crate::Result<()> { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::Arc` [INFO] [stdout] --> src/server.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TcpStream` [INFO] [stdout] --> src/server.rs:3:31 [INFO] [stdout] | [INFO] [stdout] 3 | use tokio::net::{TcpListener, TcpStream}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Semaphore`, `broadcast`, and `mpsc` [INFO] [stdout] --> src/server.rs:4:19 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::sync::{broadcast, mpsc, Semaphore}; [INFO] [stdout] | ^^^^^^^^^ ^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration` and `self` [INFO] [stdout] --> src/server.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use tokio::time::{self, Duration}; [INFO] [stdout] | ^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `debug`, `error`, `info`, and `instrument` [INFO] [stdout] --> src/server.rs:6:15 [INFO] [stdout] | [INFO] [stdout] 6 | use tracing::{debug, error, info, instrument}; [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `listener` [INFO] [stdout] --> src/server.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | pub async fn run(listener: TcpListener, shutdown: impl Future) -> crate::Result<()> { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_listener` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shutdown` [INFO] [stdout] --> src/server.rs:8:41 [INFO] [stdout] | [INFO] [stdout] 8 | pub async fn run(listener: TcpListener, shutdown: impl Future) -> crate::Result<()> { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shutdown` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.88s [INFO] running `Command { std: "docker" "inspect" "32f6be10ba2ea68bba7328d614146d7eaec3d23f42cdc4518e50091bf170d6af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32f6be10ba2ea68bba7328d614146d7eaec3d23f42cdc4518e50091bf170d6af", kill_on_drop: false }` [INFO] [stdout] 32f6be10ba2ea68bba7328d614146d7eaec3d23f42cdc4518e50091bf170d6af