[INFO] cloning repository https://github.com/woodgear/rust-lab [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woodgear/rust-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Frust-lab", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Frust-lab'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0f8df2be96ba2331b3b0e065f21dd2a7f3a505d3 [INFO] testing woodgear/rust-lab against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Frust-lab" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/woodgear/rust-lab on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/woodgear/rust-lab [INFO] finished tweaking git repo https://github.com/woodgear/rust-lab [INFO] tweaked toml for git repo https://github.com/woodgear/rust-lab written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/woodgear/rust-lab already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 30fd5b5904b92586af6ac61eeb86a017455817905531ab01bbda726355f3a04b [INFO] running `Command { std: "docker" "start" "-a" "30fd5b5904b92586af6ac61eeb86a017455817905531ab01bbda726355f3a04b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30fd5b5904b92586af6ac61eeb86a017455817905531ab01bbda726355f3a04b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30fd5b5904b92586af6ac61eeb86a017455817905531ab01bbda726355f3a04b", kill_on_drop: false }` [INFO] [stdout] 30fd5b5904b92586af6ac61eeb86a017455817905531ab01bbda726355f3a04b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 01813ffbcee41048ab17546380614c5cc1a4118a066703402ef5e9a237d4af21 [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" "01813ffbcee41048ab17546380614c5cc1a4118a066703402ef5e9a237d4af21", kill_on_drop: false }` [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling term v0.6.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling tokio-udp v0.1.5 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [INFO] [stderr] Compiling simplelog v0.7.1 [INFO] [stderr] Compiling backtrace v0.3.37 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling tokio-demo v0.1.0 (/opt/rustwide/workdir/tokio-demo) [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> tokio-demo/src/main.rs:1:42 [INFO] [stdout] | [INFO] [stdout] 1 | use simplelog::{TermLogger, LevelFilter, Config, TerminalMode, ConfigBuilder}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `try_ready` [INFO] [stdout] --> tokio-demo/src/main.rs:2:36 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::{Async, Poll, Stream, try_ready}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `File`, `io::SeekFrom`, `io::prelude::*`, `path::*`, `self` [INFO] [stdout] --> tokio-demo/src/main.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{fs::{self, File}, path::*, io::SeekFrom, io::prelude::*, thread}; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::OsStr` [INFO] [stdout] --> tokio-demo/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ffi::OsStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> tokio-demo/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::SendError` [INFO] [stdout] --> tokio-demo/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::mpsc::SendError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> tokio-demo/src/main.rs:73:40 [INFO] [stdout] | [INFO] [stdout] 73 | ... Ok((())) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 73 - Ok((())) [INFO] [stdout] 73 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> tokio-demo/src/main.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | }).map_err(|e|()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> tokio-demo/src/main.rs:107:25 [INFO] [stdout] | [INFO] [stdout] 107 | }).map_err(|e|())) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> tokio-demo/src/main.rs:75:37 [INFO] [stdout] | [INFO] [stdout] 75 | ... Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tokio-demo/src/main.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let mut t = Test::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `thread_handle` [INFO] [stdout] --> tokio-demo/src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | thread_handle: JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tokio-demo/src/main.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | TermLogger::init(LevelFilter::Debug, log_config, TerminalMode::Mixed); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.54s [INFO] running `Command { std: "docker" "inspect" "01813ffbcee41048ab17546380614c5cc1a4118a066703402ef5e9a237d4af21", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01813ffbcee41048ab17546380614c5cc1a4118a066703402ef5e9a237d4af21", kill_on_drop: false }` [INFO] [stdout] 01813ffbcee41048ab17546380614c5cc1a4118a066703402ef5e9a237d4af21 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2add0c6f6034cd50de9ed801267eeec539a25c80fdf3e1adde6dbbb556c8938f [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" "2add0c6f6034cd50de9ed801267eeec539a25c80fdf3e1adde6dbbb556c8938f", kill_on_drop: false }` [INFO] [stderr] Compiling tokio-demo v0.1.0 (/opt/rustwide/workdir/tokio-demo) [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> tokio-demo/src/main.rs:1:42 [INFO] [stdout] | [INFO] [stdout] 1 | use simplelog::{TermLogger, LevelFilter, Config, TerminalMode, ConfigBuilder}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `try_ready` [INFO] [stdout] --> tokio-demo/src/main.rs:2:36 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::{Async, Poll, Stream, try_ready}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `File`, `io::SeekFrom`, `io::prelude::*`, `path::*`, `self` [INFO] [stdout] --> tokio-demo/src/main.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{fs::{self, File}, path::*, io::SeekFrom, io::prelude::*, thread}; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::OsStr` [INFO] [stdout] --> tokio-demo/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ffi::OsStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> tokio-demo/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::SendError` [INFO] [stdout] --> tokio-demo/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::mpsc::SendError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> tokio-demo/src/main.rs:73:40 [INFO] [stdout] | [INFO] [stdout] 73 | ... Ok((())) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 73 - Ok((())) [INFO] [stdout] 73 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> tokio-demo/src/main.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | }).map_err(|e|()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> tokio-demo/src/main.rs:107:25 [INFO] [stdout] | [INFO] [stdout] 107 | }).map_err(|e|())) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> tokio-demo/src/main.rs:75:37 [INFO] [stdout] | [INFO] [stdout] 75 | ... Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tokio-demo/src/main.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let mut t = Test::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `thread_handle` [INFO] [stdout] --> tokio-demo/src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | thread_handle: JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tokio-demo/src/main.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | TermLogger::init(LevelFilter::Debug, log_config, TerminalMode::Mixed); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `Command { std: "docker" "inspect" "2add0c6f6034cd50de9ed801267eeec539a25c80fdf3e1adde6dbbb556c8938f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2add0c6f6034cd50de9ed801267eeec539a25c80fdf3e1adde6dbbb556c8938f", kill_on_drop: false }` [INFO] [stdout] 2add0c6f6034cd50de9ed801267eeec539a25c80fdf3e1adde6dbbb556c8938f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0746058fe29d56d23b3f0d9e50e7b2e0bc148822027ee08ae9ebae995d6f48de [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" "0746058fe29d56d23b3f0d9e50e7b2e0bc148822027ee08ae9ebae995d6f48de", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Config` [INFO] [stderr] --> tokio-demo/src/main.rs:1:42 [INFO] [stderr] | [INFO] [stderr] 1 | use simplelog::{TermLogger, LevelFilter, Config, TerminalMode, ConfigBuilder}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `try_ready` [INFO] [stderr] --> tokio-demo/src/main.rs:2:36 [INFO] [stderr] | [INFO] [stderr] 2 | use futures::{Async, Poll, Stream, try_ready}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `File`, `io::SeekFrom`, `io::prelude::*`, `path::*`, `self` [INFO] [stderr] --> tokio-demo/src/main.rs:4:16 [INFO] [stderr] | [INFO] [stderr] 4 | use std::{fs::{self, File}, path::*, io::SeekFrom, io::prelude::*, thread}; [INFO] [stderr] | ^^^^ ^^^^ ^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ffi::OsStr` [INFO] [stderr] --> tokio-demo/src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::ffi::OsStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::VecDeque` [INFO] [stderr] --> tokio-demo/src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::collections::VecDeque; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc::SendError` [INFO] [stderr] --> tokio-demo/src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::sync::mpsc::SendError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> tokio-demo/src/main.rs:73:40 [INFO] [stderr] | [INFO] [stderr] 73 | ... Ok((())) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 73 - Ok((())) [INFO] [stderr] 73 + Ok(()) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> tokio-demo/src/main.rs:101:21 [INFO] [stderr] | [INFO] [stderr] 101 | }).map_err(|e|()); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> tokio-demo/src/main.rs:107:25 [INFO] [stderr] | [INFO] [stderr] 107 | }).map_err(|e|())) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> tokio-demo/src/main.rs:75:37 [INFO] [stderr] | [INFO] [stderr] 75 | ... Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tokio-demo/src/main.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | let mut t = Test::new(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `thread_handle` [INFO] [stderr] --> tokio-demo/src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | thread_handle: JoinHandle<()>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> tokio-demo/src/main.rs:94:9 [INFO] [stderr] | [INFO] [stderr] 94 | TermLogger::init(LevelFilter::Debug, log_config, TerminalMode::Mixed); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `tokio-demo` (bin "tokio-demo" test) generated 13 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tokio_demo-f00e48b3c4ce7969) [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" "0746058fe29d56d23b3f0d9e50e7b2e0bc148822027ee08ae9ebae995d6f48de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0746058fe29d56d23b3f0d9e50e7b2e0bc148822027ee08ae9ebae995d6f48de", kill_on_drop: false }` [INFO] [stdout] 0746058fe29d56d23b3f0d9e50e7b2e0bc148822027ee08ae9ebae995d6f48de