[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] documenting ymgyt/tokio-mini-redis-handson against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Ftokio-mini-redis-handson" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ymgyt/tokio-mini-redis-handson on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", 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-11/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: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ae3ec27ed30992c7e1740eedb4781448e64f3dbcb95a47a5e9d0bd132cdb1200 [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" "ae3ec27ed30992c7e1740eedb4781448e64f3dbcb95a47a5e9d0bd132cdb1200", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae3ec27ed30992c7e1740eedb4781448e64f3dbcb95a47a5e9d0bd132cdb1200", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae3ec27ed30992c7e1740eedb4781448e64f3dbcb95a47a5e9d0bd132cdb1200", kill_on_drop: false }` [INFO] [stdout] ae3ec27ed30992c7e1740eedb4781448e64f3dbcb95a47a5e9d0bd132cdb1200 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b05d44c774dd8261a634984176bc81e0de93c02cec3a51aff26461ebd5d165ee [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" "b05d44c774dd8261a634984176bc81e0de93c02cec3a51aff26461ebd5d165ee", kill_on_drop: false }` [INFO] [stderr] Checking tracing-core v0.1.13 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Compiling structopt-derive v0.4.9 [INFO] [stderr] Checking tracing v0.1.18 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Checking tracing-serde v0.1.1 [INFO] [stderr] Checking tracing-subscriber v0.2.10 [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] [stderr] Documenting 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`, `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`, `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`, `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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.15s [INFO] running `Command { std: "docker" "inspect" "b05d44c774dd8261a634984176bc81e0de93c02cec3a51aff26461ebd5d165ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b05d44c774dd8261a634984176bc81e0de93c02cec3a51aff26461ebd5d165ee", kill_on_drop: false }` [INFO] [stdout] b05d44c774dd8261a634984176bc81e0de93c02cec3a51aff26461ebd5d165ee