[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 master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Frust-lab" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/woodgear/rust-lab on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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-0-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... 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Downloaded fuchsia-cprng v0.1.1 [INFO] [stderr] Downloaded tokio-executor v0.1.8 [INFO] [stderr] Downloaded tokio-sync v0.1.6 [INFO] [stderr] Downloaded tokio-reactor v0.1.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9650b4f2dfff8590846d737c28bc9f6a357a440a9f7afe4dd836eb9722295e4e [INFO] running `Command { std: "docker" "start" "-a" "9650b4f2dfff8590846d737c28bc9f6a357a440a9f7afe4dd836eb9722295e4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9650b4f2dfff8590846d737c28bc9f6a357a440a9f7afe4dd836eb9722295e4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9650b4f2dfff8590846d737c28bc9f6a357a440a9f7afe4dd836eb9722295e4e", kill_on_drop: false }` [INFO] [stdout] 9650b4f2dfff8590846d737c28bc9f6a357a440a9f7afe4dd836eb9722295e4e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 501ea2df85723599e329dbad3b3bea843a77ac8322ed7bb514ed99fc81ac0703 [INFO] running `Command { std: "docker" "start" "-a" "501ea2df85723599e329dbad3b3bea843a77ac8322ed7bb514ed99fc81ac0703", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling futures v0.1.28 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling term v0.6.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling tokio-sync v0.1.6 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [INFO] [stderr] Compiling chrono v0.4.9 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling backtrace v0.3.37 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-udp v0.1.5 [INFO] [stderr] Compiling simplelog v0.7.1 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling synstructure v0.10.2 [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::*`, and `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: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] = note: `#[warn(unused_variables)]` on by default [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] [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: 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 `thread_handle` is never read [INFO] [stdout] --> tokio-demo/src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct Test { [INFO] [stdout] | ---- field in this struct [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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 94 | let _ = TermLogger::init(LevelFilter::Debug, log_config, TerminalMode::Mixed); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.22s [INFO] running `Command { std: "docker" "inspect" "501ea2df85723599e329dbad3b3bea843a77ac8322ed7bb514ed99fc81ac0703", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "501ea2df85723599e329dbad3b3bea843a77ac8322ed7bb514ed99fc81ac0703", kill_on_drop: false }` [INFO] [stdout] 501ea2df85723599e329dbad3b3bea843a77ac8322ed7bb514ed99fc81ac0703 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c6e04e32f969f37932820a8dffd4423701906b1ffd67429ff4ede21597e8d38 [INFO] running `Command { std: "docker" "start" "-a" "3c6e04e32f969f37932820a8dffd4423701906b1ffd67429ff4ede21597e8d38", 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::*`, and `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: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] = note: `#[warn(unused_variables)]` on by default [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] [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: 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 `thread_handle` is never read [INFO] [stdout] --> tokio-demo/src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct Test { [INFO] [stdout] | ---- field in this struct [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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 94 | let _ = TermLogger::init(LevelFilter::Debug, log_config, TerminalMode::Mixed); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "3c6e04e32f969f37932820a8dffd4423701906b1ffd67429ff4ede21597e8d38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c6e04e32f969f37932820a8dffd4423701906b1ffd67429ff4ede21597e8d38", kill_on_drop: false }` [INFO] [stdout] 3c6e04e32f969f37932820a8dffd4423701906b1ffd67429ff4ede21597e8d38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 26de4540d2abb8a157b5ce77e5349966fde8ee09ec11f33f0f2cea1de86a2f15 [INFO] running `Command { std: "docker" "start" "-a" "26de4540d2abb8a157b5ce77e5349966fde8ee09ec11f33f0f2cea1de86a2f15", 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::*`, and `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: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] = note: `#[warn(unused_variables)]` on by default [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] 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: 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 `thread_handle` is never read [INFO] [stderr] --> tokio-demo/src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 20 | struct Test { [INFO] [stderr] | ---- field in this struct [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: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 94 | let _ = TermLogger::init(LevelFilter::Debug, log_config, TerminalMode::Mixed); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `tokio-demo` (bin "tokio-demo" test) generated 13 warnings (run `cargo fix --bin "tokio-demo" --tests` to apply 8 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tokio_demo-3fc6213e46766f84) [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" "26de4540d2abb8a157b5ce77e5349966fde8ee09ec11f33f0f2cea1de86a2f15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26de4540d2abb8a157b5ce77e5349966fde8ee09ec11f33f0f2cea1de86a2f15", kill_on_drop: false }` [INFO] [stdout] 26de4540d2abb8a157b5ce77e5349966fde8ee09ec11f33f0f2cea1de86a2f15