[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#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Ftokio-mini-redis-handson" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ymgyt/tokio-mini-redis-handson on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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-1/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded log v0.4.11 [INFO] [stderr] Downloaded arc-swap v0.4.7 [INFO] [stderr] Downloaded bitflags v1.2.1 [INFO] [stderr] Downloaded ws2_32-sys v0.2.1 [INFO] [stderr] Downloaded ansi_term v0.11.0 [INFO] [stderr] Downloaded regex-automata v0.1.9 [INFO] [stderr] Downloaded proc-macro-error-attr v1.0.4 [INFO] [stderr] Downloaded iovec v0.1.4 [INFO] [stderr] Downloaded num_cpus v1.13.0 [INFO] [stderr] Downloaded pin-project-lite v0.1.7 [INFO] [stderr] Downloaded tracing-log v0.1.1 [INFO] [stderr] Downloaded slab v0.4.2 [INFO] [stderr] Downloaded tracing-subscriber v0.2.10 [INFO] [stderr] Downloaded fnv v1.0.7 [INFO] [stderr] Downloaded byteorder v1.3.4 [INFO] [stderr] Downloaded tokio v0.2.22 [INFO] [stderr] Downloaded winapi v0.3.9 [INFO] [stderr] Downloaded serde_json v1.0.57 [INFO] [stderr] Downloaded thread_local v1.0.1 [INFO] [stderr] Downloaded memchr v2.3.3 [INFO] [stderr] Downloaded net2 v0.2.34 [INFO] [stderr] Downloaded version_check v0.9.2 [INFO] [stderr] Downloaded miow v0.2.1 [INFO] [stderr] Downloaded tracing-attributes v0.1.9 [INFO] [stderr] Downloaded structopt v0.3.16 [INFO] [stderr] Downloaded clap v2.33.2 [INFO] [stderr] Downloaded tokio-macros v0.2.5 [INFO] [stderr] Downloaded futures-core v0.3.5 [INFO] [stderr] Downloaded unicode-width v0.1.8 [INFO] [stderr] Downloaded atty v0.2.14 [INFO] [stderr] Downloaded mio v0.6.22 [INFO] [stderr] Downloaded signal-hook-registry v1.2.1 [INFO] [stderr] Downloaded strsim v0.8.0 [INFO] [stderr] Downloaded heck v0.3.1 [INFO] [stderr] Downloaded textwrap v0.11.0 [INFO] [stderr] Downloaded bytes v0.5.6 [INFO] [stderr] Downloaded async-stream-impl v0.2.1 [INFO] [stderr] Downloaded async-stream v0.2.1 [INFO] [stderr] Downloaded atoi v0.3.2 [INFO] [stderr] Downloaded unicode-segmentation v1.6.0 [INFO] [stderr] Downloaded pin-project-internal v0.4.23 [INFO] [stderr] Downloaded tracing v0.1.18 [INFO] [stderr] Downloaded socket2 v0.3.12 [INFO] [stderr] Downloaded miow v0.3.5 [INFO] [stderr] Downloaded regex-syntax v0.6.18 [INFO] [stderr] Downloaded pin-project v0.4.23 [INFO] [stderr] Downloaded structopt-derive v0.4.9 [INFO] [stderr] Downloaded redox_syscall v0.1.57 [INFO] [stderr] Downloaded fuchsia-zircon v0.3.3 [INFO] [stderr] Downloaded regex v1.3.9 [INFO] [stderr] Downloaded syn v1.0.38 [INFO] [stderr] Downloaded winapi-build v0.1.1 [INFO] [stderr] Downloaded sharded-slab v0.0.9 [INFO] [stderr] Downloaded ansi_term v0.12.1 [INFO] [stderr] Downloaded kernel32-sys v0.2.2 [INFO] [stderr] Downloaded quote v1.0.7 [INFO] [stderr] Downloaded mio-named-pipes v0.1.7 [INFO] [stderr] Downloaded aho-corasick v0.7.13 [INFO] [stderr] Downloaded autocfg v1.0.0 [INFO] [stderr] Downloaded proc-macro-error v1.0.4 [INFO] [stderr] Downloaded tracing-futures v0.2.4 [INFO] [stderr] Downloaded hermit-abi v0.1.15 [INFO] [stderr] Downloaded time v0.1.43 [INFO] [stderr] Downloaded libc v0.2.74 [INFO] [stderr] Downloaded vec_map v0.8.2 [INFO] [stderr] Downloaded mio-uds v0.6.8 [INFO] [stderr] Downloaded unicode-xid v0.2.1 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downloaded chrono v0.4.13 [INFO] [stderr] Downloaded ryu v1.0.5 [INFO] [stderr] Downloaded smallvec v1.4.1 [INFO] [stderr] Downloaded itoa v0.4.6 [INFO] [stderr] Downloaded serde v1.0.114 [INFO] [stderr] Downloaded tracing-core v0.1.13 [INFO] [stderr] Downloaded cfg-if v0.1.10 [INFO] [stderr] Downloaded winapi v0.2.8 [INFO] [stderr] Downloaded tracing-serde v0.1.1 [INFO] [stderr] Downloaded proc-macro2 v1.0.19 [INFO] [stderr] Downloaded num-integer v0.1.43 [INFO] [stderr] Downloaded num-traits v0.2.12 [INFO] [stderr] Downloaded matchers v0.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2457e970b7ce2913e3fbfd411e720c26e0ac09abbcc3b33d7045de28da473a0b [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" "2457e970b7ce2913e3fbfd411e720c26e0ac09abbcc3b33d7045de28da473a0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2457e970b7ce2913e3fbfd411e720c26e0ac09abbcc3b33d7045de28da473a0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2457e970b7ce2913e3fbfd411e720c26e0ac09abbcc3b33d7045de28da473a0b", kill_on_drop: false }` [INFO] [stdout] 2457e970b7ce2913e3fbfd411e720c26e0ac09abbcc3b33d7045de28da473a0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 296ec8a731f0ba2e510a16f0a74882b5fc8093e01ad14a5fdf8c70df136363dc [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" "296ec8a731f0ba2e510a16f0a74882b5fc8093e01ad14a5fdf8c70df136363dc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking tracing-core v0.1.13 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking sharded-slab v0.0.9 [INFO] [stderr] Checking log v0.4.11 [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 num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.2.1 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking clap v2.33.2 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking tracing-log v0.1.1 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking atoi v0.3.2 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking chrono v0.4.13 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking tracing-serde v0.1.1 [INFO] [stderr] Checking tracing-subscriber v0.2.10 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tracing-attributes v0.1.9 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Compiling structopt-derive v0.4.9 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking async-stream v0.2.1 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking tracing v0.1.18 [INFO] [stderr] Checking structopt v0.3.16 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking tracing-futures v0.2.4 [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: `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 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: `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: `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 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: 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] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 54.56s [INFO] running `Command { std: "docker" "inspect" "296ec8a731f0ba2e510a16f0a74882b5fc8093e01ad14a5fdf8c70df136363dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "296ec8a731f0ba2e510a16f0a74882b5fc8093e01ad14a5fdf8c70df136363dc", kill_on_drop: false }` [INFO] [stdout] 296ec8a731f0ba2e510a16f0a74882b5fc8093e01ad14a5fdf8c70df136363dc