[INFO] cloning repository https://github.com/aplugeek/hpx [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aplugeek/hpx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faplugeek%2Fhpx", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faplugeek%2Fhpx'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2617937e169f302cba7ac7619a9118dfbcd9328e [INFO] checking aplugeek/hpx against master#2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 for pr-84385 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faplugeek%2Fhpx" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aplugeek/hpx on toolchain 2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-5/source/.cargo/config [INFO] started tweaking git repo https://github.com/aplugeek/hpx [INFO] finished tweaking git repo https://github.com/aplugeek/hpx [INFO] tweaked toml for git repo https://github.com/aplugeek/hpx written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/aplugeek/hpx already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded integer-encoding v1.1.7 [INFO] [stderr] Downloaded mick-jaeger v0.1.4 [INFO] [stderr] Downloaded mimalloc v0.1.26 [INFO] [stderr] Downloaded thrift v0.13.0 [INFO] [stderr] Downloaded libmimalloc-sys v0.1.22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09edddc9a2d93a4a82728fb3f7df1f63cf1dd6044ebe98258145cec02803b74f [INFO] running `Command { std: "docker" "start" "-a" "09edddc9a2d93a4a82728fb3f7df1f63cf1dd6044ebe98258145cec02803b74f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09edddc9a2d93a4a82728fb3f7df1f63cf1dd6044ebe98258145cec02803b74f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09edddc9a2d93a4a82728fb3f7df1f63cf1dd6044ebe98258145cec02803b74f", kill_on_drop: false }` [INFO] [stdout] 09edddc9a2d93a4a82728fb3f7df1f63cf1dd6044ebe98258145cec02803b74f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28d0ebe14c8251008ff7473fbd264e3ae8cf7fcca3b209e323e615c2ce152cac [INFO] running `Command { std: "docker" "start" "-a" "28d0ebe14c8251008ff7473fbd264e3ae8cf7fcca3b209e323e615c2ce152cac", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Checking futures-io v0.3.17 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking http v0.2.5 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling tokio v1.12.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking httpdate v1.0.1 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking integer-encoding v1.1.7 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking http-body v0.4.3 [INFO] [stderr] Checking hpx-sampling v0.1.0 (/opt/rustwide/workdir/hpx/sampling) [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking thrift v0.13.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling tokio-macros v1.4.1 [INFO] [stderr] Compiling structopt-derive v0.4.16 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Checking structopt v0.3.23 [INFO] [stderr] Checking pin-project v1.0.8 [INFO] [stderr] Checking hpx-app v0.1.0 (/opt/rustwide/workdir/hpx/app) [INFO] [stderr] Checking futures-executor v0.3.17 [INFO] [stderr] Checking tokio-util v0.6.8 [INFO] [stderr] Checking hpx-signal v0.1.0 (/opt/rustwide/workdir/hpx/signal) [INFO] [stderr] Checking futures v0.3.17 [INFO] [stderr] Checking mick-jaeger v0.1.4 [INFO] [stderr] Checking h2 v0.3.6 [INFO] [stderr] Checking hyper v0.14.14 [INFO] [stderr] Checking hpx-error v0.1.0 (/opt/rustwide/workdir/hpx/error) [INFO] [stderr] Checking hpx-route v0.1.0 (/opt/rustwide/workdir/hpx/route) [INFO] [stderr] Checking hpx-tracing v0.1.0 (/opt/rustwide/workdir/hpx/tracing) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> hpx/tracing/src/opentracing.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | udp_socket.send(&buf).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> hpx/tracing/src/opentracing.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | udp_socket.send(&buf).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hpx-context v0.1.0 (/opt/rustwide/workdir/hpx/context) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hpx-middleware v0.1.0 (/opt/rustwide/workdir/hpx/middleware) [INFO] [stdout] warning: unused import: `HeaderName` [INFO] [stdout] --> hpx/middleware/src/middleware.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use hyper::http::header::{HeaderName, CONTENT_TYPE}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HeaderMap` [INFO] [stdout] --> hpx/middleware/src/middleware.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use hyper::http::{HeaderMap, HeaderValue, Request}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HeaderName` [INFO] [stdout] --> hpx/middleware/src/middleware.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use hyper::http::header::{HeaderName, CONTENT_TYPE}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HeaderMap` [INFO] [stdout] --> hpx/middleware/src/middleware.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use hyper::http::{HeaderMap, HeaderValue, Request}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hpx-forward v0.1.0 (/opt/rustwide/workdir/hpx/forward) [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HeaderMap`, `HeaderValue` [INFO] [stdout] --> hpx/forward/src/handle.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | use hyper::http::{HeaderMap, HeaderValue, Request, Response, StatusCode}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NonZeroU128`, `NonZeroU64` [INFO] [stdout] --> hpx/forward/src/handle.rs:13:16 [INFO] [stdout] | [INFO] [stdout] 13 | use std::num::{NonZeroU128, NonZeroU64}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Forward` [INFO] [stdout] --> hpx/forward/src/handle.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 15 | use hpx_context::ctx::{Forward, SendTrace}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `X_PARENT_ID`, `X_SAMPLING`, `X_SPAN_ID`, `X_TRACE_ID` [INFO] [stdout] --> hpx/forward/src/handle.rs:17:48 [INFO] [stdout] | [INFO] [stdout] 17 | use hpx_tracing::{set_tracing_header, Tracing, X_PARENT_ID, X_SAMPLING, X_SPAN_ID, X_TRACE_ID}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::de::Unexpected::Bytes` [INFO] [stdout] --> hpx/forward/src/handle.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use serde::de::Unexpected::Bytes; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HeaderMap`, `HeaderValue` [INFO] [stdout] --> hpx/forward/src/handle.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 10 | use hyper::http::{HeaderMap, HeaderValue, Request, Response, StatusCode}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `NonZeroU128`, `NonZeroU64` [INFO] [stdout] --> hpx/forward/src/handle.rs:13:16 [INFO] [stdout] | [INFO] [stdout] 13 | use std::num::{NonZeroU128, NonZeroU64}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Forward` [INFO] [stdout] --> hpx/forward/src/handle.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 15 | use hpx_context::ctx::{Forward, SendTrace}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `X_PARENT_ID`, `X_SAMPLING`, `X_SPAN_ID`, `X_TRACE_ID` [INFO] [stdout] --> hpx/forward/src/handle.rs:17:48 [INFO] [stdout] | [INFO] [stdout] 17 | use hpx_tracing::{set_tracing_header, Tracing, X_PARENT_ID, X_SAMPLING, X_SPAN_ID, X_TRACE_ID}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde::de::Unexpected::Bytes` [INFO] [stdout] --> hpx/forward/src/handle.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use serde::de::Unexpected::Bytes; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> hpx/forward/src/handle.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[macro_use]` only has an effect on `extern crate` and modules [INFO] [stdout] --> hpx/forward/src/handle.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> hpx/forward/src/lib.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new(inner: ResponseFuture, target: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> hpx/forward/src/lib.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn new(inner: ResponseFuture, target: &str) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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] Checking hpx-register v0.1.0 (/opt/rustwide/workdir/hpx/register) [INFO] [stderr] Checking hpx-mesh v0.1.0 (/opt/rustwide/workdir/hpx-mesh) [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> hpx-mesh/src/main.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | join!(route_serve, signal); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> hpx-mesh/src/main.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | join!(route_serve, signal); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `join` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.72s [INFO] running `Command { std: "docker" "inspect" "28d0ebe14c8251008ff7473fbd264e3ae8cf7fcca3b209e323e615c2ce152cac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28d0ebe14c8251008ff7473fbd264e3ae8cf7fcca3b209e323e615c2ce152cac", kill_on_drop: false }` [INFO] [stdout] 28d0ebe14c8251008ff7473fbd264e3ae8cf7fcca3b209e323e615c2ce152cac