[INFO] cloning repository https://github.com/tolumide-ng/coding-challenge [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tolumide-ng/coding-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolumide-ng%2Fcoding-challenge", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolumide-ng%2Fcoding-challenge'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4d0165997d2155911026958ffb5463bebab95fff [INFO] checking tolumide-ng/coding-challenge against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftolumide-ng%2Fcoding-challenge" "/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/tolumide-ng/coding-challenge on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tolumide-ng/coding-challenge [INFO] finished tweaking git repo https://github.com/tolumide-ng/coding-challenge [INFO] tweaked toml for git repo https://github.com/tolumide-ng/coding-challenge written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/tolumide-ng/coding-challenge already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-sink v0.3.14 [INFO] [stderr] Downloaded slab v0.4.3 [INFO] [stderr] Downloaded futures-channel v0.3.14 [INFO] [stderr] Downloaded futures-executor v0.3.14 [INFO] [stderr] Downloaded futures-io v0.3.14 [INFO] [stderr] Downloaded futures-core v0.3.14 [INFO] [stderr] Downloaded futures-macro v0.3.14 [INFO] [stderr] Downloaded futures v0.3.14 [INFO] [stderr] Downloaded futures-util v0.3.14 [INFO] [stderr] Downloaded futures-task v0.3.14 [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9eb8737089db849ca265d47e5a6745406c103468cb730bd02e64bf92a17592f3 [INFO] running `Command { std: "docker" "start" "-a" "9eb8737089db849ca265d47e5a6745406c103468cb730bd02e64bf92a17592f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9eb8737089db849ca265d47e5a6745406c103468cb730bd02e64bf92a17592f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9eb8737089db849ca265d47e5a6745406c103468cb730bd02e64bf92a17592f3", kill_on_drop: false }` [INFO] [stdout] 9eb8737089db849ca265d47e5a6745406c103468cb730bd02e64bf92a17592f3 [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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d1b8b5b582f85b423d3082a2b1b889610a55759c303cf00c8cabe190be96b29 [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" "9d1b8b5b582f85b423d3082a2b1b889610a55759c303cf00c8cabe190be96b29", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Checking futures-core v0.3.14 [INFO] [stderr] Checking futures-sink v0.3.14 [INFO] [stderr] Checking data_structures v0.1.0 (/opt/rustwide/workdir/data_structures) [INFO] [stderr] Checking dynamic_pg v0.1.0 (/opt/rustwide/workdir/dynamic_pg) [INFO] [stderr] Checking futures-channel v0.3.14 [INFO] [stdout] warning: unused import: `Display` [INFO] [stdout] --> data_structures/src/recursion/n_queens.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{Debug, Display}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::format` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashSet, fmt::format}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Display` [INFO] [stdout] --> data_structures/src/recursion/n_queens.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{Debug, Display}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::format` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashSet, fmt::format}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `robot` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | let robot = Robot::new(rows, cols, row, col); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_robot` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `room_cell` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | for room_cell in room_row {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_cell` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `total_rows` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | total_rows: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `total_col` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | total_col: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `turnLeft` should have a snake case name [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn turnLeft(&mut self) -> u16 { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `turn_left` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `turnRight` should have a snake case name [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn turnRight(&mut self) -> u16 { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `turn_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `robot` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | let robot = Robot::new(rows, cols, row, col); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_robot` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `room_cell` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | for room_cell in room_row {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_cell` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking others v0.1.0 (/opt/rustwide/workdir/others) [INFO] [stdout] warning: unused import: `Display` [INFO] [stdout] --> data_structures/src/recursion/n_queens.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{Debug, Display}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::format` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashSet, fmt::format}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Display` [INFO] [stdout] --> data_structures/src/recursion/n_queens.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{Debug, Display}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::format` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:1:33 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashSet, fmt::format}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `histogram_brute_force` [INFO] [stdout] --> others/src/the_algos/largest_rectangle_histogram.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn histogram_brute_force(heights: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `calculate_area` [INFO] [stdout] --> others/src/the_algos/largest_rectangle_histogram.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn calculate_area( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `histogram_stack_approach` [INFO] [stdout] --> others/src/the_algos/largest_rectangle_histogram.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn histogram_stack_approach(heights: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `total_rows` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | total_rows: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `total_col` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | total_col: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `turnLeft` should have a snake case name [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn turnLeft(&mut self) -> u16 { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `turn_left` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `turnRight` should have a snake case name [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn turnRight(&mut self) -> u16 { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `turn_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `robot` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | let robot = Robot::new(rows, cols, row, col); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_robot` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `room_cell` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | for room_cell in room_row {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_cell` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `total_rows` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | total_rows: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `total_col` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | total_col: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `turnLeft` should have a snake case name [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn turnLeft(&mut self) -> u16 { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `turn_left` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `turnRight` should have a snake case name [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn turnRight(&mut self) -> u16 { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `turn_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `robot` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | let robot = Robot::new(rows, cols, row, col); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_robot` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `room_cell` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | for room_cell in room_row {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_room_cell` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `total_rows` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | total_rows: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `total_col` [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | total_col: u16, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `turnLeft` should have a snake case name [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn turnLeft(&mut self) -> u16 { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `turn_left` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `turnRight` should have a snake case name [INFO] [stdout] --> data_structures/src/recursion/robots_room_cleaner.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 58 | pub fn turnRight(&mut self) -> u16 { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `turn_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Checking futures-util v0.3.14 [INFO] [stderr] Checking futures-executor v0.3.14 [INFO] [stderr] Checking futures v0.3.14 [INFO] [stderr] Checking rust_async v0.1.0 (/opt/rustwide/workdir/rust_async) [INFO] [stdout] warning: unused import: `chapter_2::build_timer::TimerFuture` [INFO] [stdout] --> rust_async/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use chapter_2::build_timer::TimerFuture; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ArcWake`, `Arc`, `BoxFuture`, `Context`, `FutureExt`, `Mutex`, `Poll`, `Receiver`, `Sender`, `future::Future`, `sync_channel`, `time::Duration`, `waker_ref` [INFO] [stdout] --> rust_async/src/main.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | future::{BoxFuture, FutureExt}, [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] 7 | task::{waker_ref, ArcWake}, [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 10 | future::Future, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 11 | sync::mpsc::{sync_channel, Receiver, Sender}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^ ^^^^^^ [INFO] [stdout] 12 | sync::{Arc, Mutex}, [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] 13 | task::{Context, Poll}, [INFO] [stdout] | ^^^^^^^ ^^^^ [INFO] [stdout] 14 | time::Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `chapter_2::build_timer::TimerFuture` [INFO] [stdout] --> rust_async/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use chapter_2::build_timer::TimerFuture; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ArcWake`, `Arc`, `BoxFuture`, `Context`, `FutureExt`, `Mutex`, `Poll`, `Receiver`, `Sender`, `future::Future`, `sync_channel`, `time::Duration`, `waker_ref` [INFO] [stdout] --> rust_async/src/main.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | future::{BoxFuture, FutureExt}, [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] 7 | task::{waker_ref, ArcWake}, [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 10 | future::Future, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 11 | sync::mpsc::{sync_channel, Receiver, Sender}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^ ^^^^^^ [INFO] [stdout] 12 | sync::{Arc, Mutex}, [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] 13 | task::{Context, Poll}, [INFO] [stdout] | ^^^^^^^ ^^^^ [INFO] [stdout] 14 | time::Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.35s [INFO] running `Command { std: "docker" "inspect" "9d1b8b5b582f85b423d3082a2b1b889610a55759c303cf00c8cabe190be96b29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d1b8b5b582f85b423d3082a2b1b889610a55759c303cf00c8cabe190be96b29", kill_on_drop: false }` [INFO] [stdout] 9d1b8b5b582f85b423d3082a2b1b889610a55759c303cf00c8cabe190be96b29