[INFO] cloning repository https://github.com/samcday/smoo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samcday/smoo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamcday%2Fsmoo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamcday%2Fsmoo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b8e183b022b5e110373ca5f9508ad7b1f4b2ff13 [INFO] building samcday/smoo against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamcday%2Fsmoo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/samcday/smoo [INFO] finished tweaking git repo https://github.com/samcday/smoo [INFO] tweaked toml for git repo https://github.com/samcday/smoo written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/samcday/smoo on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/samcday/smoo 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded derive_setters v0.1.6 [INFO] [stderr] Downloaded partition-identity v0.3.0 [INFO] [stderr] Downloaded async-process v2.3.0 [INFO] [stderr] Downloaded proc-mounts v0.3.0 [INFO] [stderr] Downloaded io-uring v0.6.4 [INFO] [stderr] Downloaded macaddr v1.0.1 [INFO] [stderr] Downloaded libublk v0.3.5 [INFO] [stderr] Downloaded async-signal v0.2.10 [INFO] [stderr] Downloaded bitmaps v3.2.1 [INFO] [stderr] Downloaded rusb v0.9.4 [INFO] [stderr] Downloaded usb-gadget v0.7.5 [INFO] [stderr] Downloaded libusb1-sys v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 163f9d8bd67ad28e36831e7ef7f4b261c3878893b04271f2352bb7418cfe117f [INFO] running `Command { std: "docker" "start" "-a" "163f9d8bd67ad28e36831e7ef7f4b261c3878893b04271f2352bb7418cfe117f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "163f9d8bd67ad28e36831e7ef7f4b261c3878893b04271f2352bb7418cfe117f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "163f9d8bd67ad28e36831e7ef7f4b261c3878893b04271f2352bb7418cfe117f", kill_on_drop: false }` [INFO] [stdout] 163f9d8bd67ad28e36831e7ef7f4b261c3878893b04271f2352bb7418cfe117f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 915403ec884804e8c07dcbca34d1fb61a5f0989b5a67b83939f959f534cf2e65 [INFO] running `Command { std: "docker" "start" "-a" "915403ec884804e8c07dcbca34d1fb61a5f0989b5a67b83939f959f534cf2e65", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling glob v0.3.2 [INFO] [stderr] Compiling prettyplease v0.2.32 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling polling v3.7.4 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling linux-raw-sys v0.4.15 [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Compiling libloading v0.8.6 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling cc v1.2.19 [INFO] [stderr] Compiling event-listener v5.4.0 [INFO] [stderr] Compiling home v0.5.11 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling bindgen v0.69.5 [INFO] [stderr] Compiling event-listener-strategy v0.5.4 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling async-lock v3.4.0 [INFO] [stderr] Compiling async-channel v2.3.1 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling async-io v2.4.0 [INFO] [stderr] Compiling libusb1-sys v0.7.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.5 [INFO] [stderr] Compiling blocking v1.6.1 [INFO] [stderr] Compiling itertools v0.12.1 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling async-signal v0.2.10 [INFO] [stderr] Compiling io-uring v0.6.4 [INFO] [stderr] Compiling async-process v2.3.0 [INFO] [stderr] Compiling async-fs v2.1.2 [INFO] [stderr] Compiling async-net v2.0.0 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Compiling mio v1.0.3 [INFO] [stderr] Compiling socket2 v0.5.8 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling async-executor v1.13.1 [INFO] [stderr] Compiling rusb v0.9.4 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling strum_macros v0.26.4 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling partition-identity v0.3.0 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Compiling proc-mounts v0.3.0 [INFO] [stderr] Compiling darling v0.20.11 [INFO] [stderr] Compiling tokio v1.44.2 [INFO] [stderr] Compiling derive_setters v0.1.6 [INFO] [stderr] Compiling env_logger v0.9.3 [INFO] [stderr] Compiling smol v2.0.2 [INFO] [stderr] Compiling strum v0.26.3 [INFO] [stderr] Compiling macaddr v1.0.1 [INFO] [stderr] Compiling uuid v1.16.0 [INFO] [stderr] Compiling bitmaps v3.2.1 [INFO] [stderr] Compiling smoo_host v0.1.0 (/opt/rustwide/workdir/host) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> host/src/main.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 32 | / loop { [INFO] [stdout] 33 | | let read = handle.read_interrupt(129, &mut buf[0..16], Duration::from_secs(0))?; [INFO] [stdout] 34 | | assert_eq!(read, 16); [INFO] [stdout] ... | [INFO] [stdout] 48 | | handle.write_bulk(2, &resp, Duration::from_secs(1))?; [INFO] [stdout] 49 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 50 | [INFO] [stdout] 51 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> host/src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | f.read_exact(resp); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = f.read_exact(resp); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling usb-gadget v0.7.5 [INFO] [stderr] Compiling libublk v0.3.5 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling smoo_gadget v0.1.0 (/opt/rustwide/workdir/gadget) [INFO] [stdout] warning: unused import: `WriteBytesExt` [INFO] [stdout] --> gadget/src/main.rs:2:43 [INFO] [stdout] | [INFO] [stdout] 2 | use byteorder::{ByteOrder, NetworkEndian, WriteBytesExt}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> gadget/src/main.rs:133:5 [INFO] [stdout] | [INFO] [stdout] 110 | / loop { [INFO] [stdout] 111 | | let (off, sz, done_tx) = rx.recv().await?; [INFO] [stdout] 112 | | [INFO] [stdout] 113 | | let mut int_buf = BytesMut::with_capacity(16); [INFO] [stdout] ... | [INFO] [stdout] 130 | | done_tx.send(data.freeze()).await?; [INFO] [stdout] 131 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 132 | [INFO] [stdout] 133 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reg` [INFO] [stdout] --> gadget/src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let reg = Gadget::new(klass, id, strings) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_reg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `jh` [INFO] [stdout] --> gadget/src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let jh = std::thread::spawn(move || { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_jh` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `io` [INFO] [stdout] --> gadget/src/main.rs:82:68 [INFO] [stdout] | [INFO] [stdout] 82 | .wait_and_handle_io(move |q: &UblkQueue, tag: u16, io: &UblkIOCtx| { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_io` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> gadget/src/main.rs:91:58 [INFO] [stdout] | [INFO] [stdout] 91 | libublk::sys::UBLK_IO_OP_READ => unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> gadget/src/main.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut ctrl = libublk::ctrl::UblkCtrlBuilder::default() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 35s [INFO] running `Command { std: "docker" "inspect" "915403ec884804e8c07dcbca34d1fb61a5f0989b5a67b83939f959f534cf2e65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "915403ec884804e8c07dcbca34d1fb61a5f0989b5a67b83939f959f534cf2e65", kill_on_drop: false }` [INFO] [stdout] 915403ec884804e8c07dcbca34d1fb61a5f0989b5a67b83939f959f534cf2e65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3efc2ce7d727388d753cfa3e3a7691cb669aaf18375fe7a6b418a65b84801ae2 [INFO] running `Command { std: "docker" "start" "-a" "3efc2ce7d727388d753cfa3e3a7691cb669aaf18375fe7a6b418a65b84801ae2", kill_on_drop: false }` [INFO] [stderr] Compiling smoo_gadget v0.1.0 (/opt/rustwide/workdir/gadget) [INFO] [stderr] Compiling smoo_host v0.1.0 (/opt/rustwide/workdir/host) [INFO] [stdout] warning: unused import: `WriteBytesExt` [INFO] [stdout] --> gadget/src/main.rs:2:43 [INFO] [stdout] | [INFO] [stdout] 2 | use byteorder::{ByteOrder, NetworkEndian, WriteBytesExt}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> gadget/src/main.rs:133:5 [INFO] [stdout] | [INFO] [stdout] 110 | / loop { [INFO] [stdout] 111 | | let (off, sz, done_tx) = rx.recv().await?; [INFO] [stdout] 112 | | [INFO] [stdout] 113 | | let mut int_buf = BytesMut::with_capacity(16); [INFO] [stdout] ... | [INFO] [stdout] 130 | | done_tx.send(data.freeze()).await?; [INFO] [stdout] 131 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 132 | [INFO] [stdout] 133 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reg` [INFO] [stdout] --> gadget/src/main.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | let reg = Gadget::new(klass, id, strings) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_reg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `jh` [INFO] [stdout] --> gadget/src/main.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | let jh = std::thread::spawn(move || { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_jh` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `io` [INFO] [stdout] --> gadget/src/main.rs:82:68 [INFO] [stdout] | [INFO] [stdout] 82 | .wait_and_handle_io(move |q: &UblkQueue, tag: u16, io: &UblkIOCtx| { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_io` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> gadget/src/main.rs:91:58 [INFO] [stdout] | [INFO] [stdout] 91 | libublk::sys::UBLK_IO_OP_READ => unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> gadget/src/main.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let mut ctrl = libublk::ctrl::UblkCtrlBuilder::default() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> host/src/main.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 32 | / loop { [INFO] [stdout] 33 | | let read = handle.read_interrupt(129, &mut buf[0..16], Duration::from_secs(0))?; [INFO] [stdout] 34 | | assert_eq!(read, 16); [INFO] [stdout] ... | [INFO] [stdout] 48 | | handle.write_bulk(2, &resp, Duration::from_secs(1))?; [INFO] [stdout] 49 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 50 | [INFO] [stdout] 51 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> host/src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | f.read_exact(resp); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = f.read_exact(resp); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "3efc2ce7d727388d753cfa3e3a7691cb669aaf18375fe7a6b418a65b84801ae2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3efc2ce7d727388d753cfa3e3a7691cb669aaf18375fe7a6b418a65b84801ae2", kill_on_drop: false }` [INFO] [stdout] 3efc2ce7d727388d753cfa3e3a7691cb669aaf18375fe7a6b418a65b84801ae2