[INFO] cloning repository https://github.com/nam2ee/concurrent-data-structure-clone-coding [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nam2ee/concurrent-data-structure-clone-coding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnam2ee%2Fconcurrent-data-structure-clone-coding", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnam2ee%2Fconcurrent-data-structure-clone-coding'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce1a090ce9f07478092cc1c4e2731aa84ffd76d2 [INFO] testing nam2ee/concurrent-data-structure-clone-coding against 1.91.0 for beta-1.92-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnam2ee%2Fconcurrent-data-structure-clone-coding" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/nam2ee/concurrent-data-structure-clone-coding [INFO] finished tweaking git repo https://github.com/nam2ee/concurrent-data-structure-clone-coding [INFO] tweaked toml for git repo https://github.com/nam2ee/concurrent-data-structure-clone-coding written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/nam2ee/concurrent-data-structure-clone-coding on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/nam2ee/concurrent-data-structure-clone-coding 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded backtrace v0.3.76 [INFO] [stderr] Downloaded gimli v0.32.3 [INFO] [stderr] Downloaded addr2line v0.25.1 [INFO] [stderr] Downloaded io-uring v0.7.10 [INFO] [stderr] Downloaded object v0.37.3 [INFO] [stderr] Downloaded libc v0.2.176 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c96db80f0b21aa267d75faaac605c7db6e95225c09fa6c8ac62ce3a21e0c5f30 [INFO] running `Command { std: "docker" "start" "-a" "c96db80f0b21aa267d75faaac605c7db6e95225c09fa6c8ac62ce3a21e0c5f30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c96db80f0b21aa267d75faaac605c7db6e95225c09fa6c8ac62ce3a21e0c5f30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c96db80f0b21aa267d75faaac605c7db6e95225c09fa6c8ac62ce3a21e0c5f30", kill_on_drop: false }` [INFO] [stdout] c96db80f0b21aa267d75faaac605c7db6e95225c09fa6c8ac62ce3a21e0c5f30 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0fc8c35cc1e7a72fcffaae2fa39f1163ca17ff2222db46e50cfc062f83fafdff [INFO] running `Command { std: "docker" "start" "-a" "0fc8c35cc1e7a72fcffaae2fa39f1163ca17ff2222db46e50cfc062f83fafdff", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling unicode-ident v1.0.19 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling bytes v1.10.1 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling pin-project-lite v0.2.16 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling socket2 v0.6.0 [INFO] [stderr] Compiling mio v1.0.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.6 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling concur v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/treibers.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use core::mem::{self, MaybeUninit}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::atomic` [INFO] [stdout] --> src/treibers.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/treibers.rs:68:17 [INFO] [stdout] | [INFO] [stdout] 68 | let mut head = self.head.load(Acquire, &guard); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut v = Arc::new(Mutex::new(vec![1,2,34,5])); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Stack` is never constructed [INFO] [stdout] --> src/treibers.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/treibers.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, and `is_empty` are never used [INFO] [stdout] --> src/treibers.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl Stack{ [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 32 | pub fn new() -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn push(&self, t:T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn pop(&self) -> Option{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | tokio::join!(h1,h2); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | tokio::join!(h1,h2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.21s [INFO] running `Command { std: "docker" "inspect" "0fc8c35cc1e7a72fcffaae2fa39f1163ca17ff2222db46e50cfc062f83fafdff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fc8c35cc1e7a72fcffaae2fa39f1163ca17ff2222db46e50cfc062f83fafdff", kill_on_drop: false }` [INFO] [stdout] 0fc8c35cc1e7a72fcffaae2fa39f1163ca17ff2222db46e50cfc062f83fafdff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5114f3ca9246cec3f3d4395dad29d33a5604ff031964c6e2faede06c9e167f09 [INFO] running `Command { std: "docker" "start" "-a" "5114f3ca9246cec3f3d4395dad29d33a5604ff031964c6e2faede06c9e167f09", kill_on_drop: false }` [INFO] [stderr] Compiling concur v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/treibers.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use core::mem::{self, MaybeUninit}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::atomic` [INFO] [stdout] --> src/treibers.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::atomic; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/treibers.rs:68:17 [INFO] [stdout] | [INFO] [stdout] 68 | let mut head = self.head.load(Acquire, &guard); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut v = Arc::new(Mutex::new(vec![1,2,34,5])); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Stack` is never constructed [INFO] [stdout] --> src/treibers.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct Stack { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/treibers.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, and `is_empty` are never used [INFO] [stdout] --> src/treibers.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 31 | impl Stack{ [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 32 | pub fn new() -> Self{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn push(&self, t:T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn pop(&self) -> Option{ [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | tokio::join!(h1,h2); [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] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` in tuple element 1 that must be used [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | tokio::join!(h1,h2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "5114f3ca9246cec3f3d4395dad29d33a5604ff031964c6e2faede06c9e167f09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5114f3ca9246cec3f3d4395dad29d33a5604ff031964c6e2faede06c9e167f09", kill_on_drop: false }` [INFO] [stdout] 5114f3ca9246cec3f3d4395dad29d33a5604ff031964c6e2faede06c9e167f09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6070d153fcbb87fcf7ded92b2f12ce427abbb34484f1541b18849e118cf3bb2d [INFO] running `Command { std: "docker" "start" "-a" "6070d153fcbb87fcf7ded92b2f12ce427abbb34484f1541b18849e118cf3bb2d", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/treibers.rs:1:17 [INFO] [stderr] | [INFO] [stderr] 1 | use core::mem::{self, MaybeUninit}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::atomic` [INFO] [stderr] --> src/treibers.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::sync::atomic; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treibers.rs:68:17 [INFO] [stderr] | [INFO] [stderr] 68 | let mut head = self.head.load(Acquire, &guard); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut v = Arc::new(Mutex::new(vec![1,2,34,5])); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct `Stack` is never constructed [INFO] [stderr] --> src/treibers.rs:10:12 [INFO] [stderr] | [INFO] [stderr] 10 | pub struct Stack { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Node` is never constructed [INFO] [stderr] --> src/treibers.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 15 | struct Node { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `push`, `pop`, and `is_empty` are never used [INFO] [stderr] --> src/treibers.rs:32:12 [INFO] [stderr] | [INFO] [stderr] 31 | impl Stack{ [INFO] [stderr] | ---------------- associated items in this implementation [INFO] [stderr] 32 | pub fn new() -> Self{ [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 38 | pub fn push(&self, t:T) { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 63 | pub fn pop(&self) -> Option{ [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 100 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` in tuple element 0 that must be used [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | tokio::join!(h1,h2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` in tuple element 1 that must be used [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | tokio::join!(h1,h2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `concur` (bin "concur" test) generated 9 warnings (run `cargo fix --bin "concur" --tests` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concur-6a50c444e5515285) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6070d153fcbb87fcf7ded92b2f12ce427abbb34484f1541b18849e118cf3bb2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6070d153fcbb87fcf7ded92b2f12ce427abbb34484f1541b18849e118cf3bb2d", kill_on_drop: false }` [INFO] [stdout] 6070d153fcbb87fcf7ded92b2f12ce427abbb34484f1541b18849e118cf3bb2d