[INFO] updating cached repository https://github.com/lar-rs/massflow [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] aba6be5e764fc80a4122cd102d8e51ec915366cb [INFO] checking lar-rs/massflow against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flar-rs%2Fmassflow" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lar-rs/massflow on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/lar-rs/massflow [INFO] finished tweaking git repo https://github.com/lar-rs/massflow [INFO] tweaked toml for git repo https://github.com/lar-rs/massflow written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/lar-rs/massflow already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1c70d87a0bf6d4f4047877f94506d79c0e4edf3b3142baf9d9cd7143f4f0afa1 [INFO] running `"docker" "start" "-a" "1c70d87a0bf6d4f4047877f94506d79c0e4edf3b3142baf9d9cd7143f4f0afa1"` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling rayon-core v1.6.1 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking paw-raw v1.0.0 [INFO] [stderr] Checking termcolor v0.3.6 [INFO] [stderr] Checking static_assertions v0.3.4 [INFO] [stderr] Compiling sysinfo v0.10.2 [INFO] [stderr] Checking hex v0.2.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking itertools v0.4.19 [INFO] [stderr] Checking try_from v0.2.2 [INFO] [stderr] Checking directories v0.10.0 [INFO] [stderr] Checking yansi v0.5.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking lock_api v0.3.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling libdbus-sys v0.2.1 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling nom v5.0.1 [INFO] [stderr] Compiling can v0.1.0 (https://github.com/lar-rs/can.git#b751a66a) [INFO] [stderr] Checking ads1x1x v0.2.0 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking clicolors-control v1.0.1 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking filetime v0.2.8 [INFO] [stderr] Checking users v0.9.1 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking serial-core v0.4.0 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling lexical-core v0.4.6 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking mcp3425 v0.3.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking inotify v0.6.1 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking serial-unix v0.4.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking crossbeam-queue v0.2.0 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking crossterm v0.13.3 [INFO] [stderr] Checking socketcan v1.7.0 [INFO] [stderr] Checking dbus v0.7.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking notify v4.0.14 [INFO] [stderr] Checking console v0.7.7 [INFO] [stderr] Checking os_type v2.2.0 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking run_script v0.3.2 [INFO] [stderr] Checking pretty_env_logger v0.3.1 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking ctrlc v3.1.3 [INFO] [stderr] Checking sysfs_gpio v0.5.4 [INFO] [stderr] Checking i2cdev v0.4.4 [INFO] [stderr] Checking spidev v0.4.0 [INFO] [stderr] Checking rayon v1.2.1 [INFO] [stderr] Checking linux-embedded-hal v0.3.0 [INFO] [stderr] Compiling async-log-attributes v1.0.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking async-log v1.1.0 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Checking clap_flags v0.4.0 [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling structopt-derive v0.3.5 [INFO] [stderr] Compiling paw-attributes v1.0.2 [INFO] [stderr] Checking paw v1.0.0 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking exitfailure v0.5.1 [INFO] [stderr] Checking structopt v0.3.5 [INFO] [stderr] Checking serde v1.0.103 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking toml v0.5.5 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking human-panic v1.0.1 [INFO] [stderr] Checking confy v0.3.1 [INFO] [stderr] Checking femme v1.3.0 [INFO] [stderr] Checking flame v0.2.2 [INFO] [stderr] Checking mio v0.1.0 (https://github.com/lar-rs/mio.git#6edb9092) [INFO] [stderr] Checking massflow v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::convert::TryFrom` [INFO] [stderr] --> src/humidity.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::convert::TryFrom; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `PathBuf` [INFO] [stderr] --> src/pressure.rs:6:22 [INFO] [stderr] | [INFO] [stderr] 6 | use std::path::{Path,PathBuf}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/pressure.rs:44:151 [INFO] [stderr] | [INFO] [stderr] 44 | let value = fs::read_to_string(path.join(PRESSURE)).unwrap_or(String::from("-1.0")).parse::().expect("pressure value convert to f32 error");; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Ads1x1x`, `SlaveAddr`, `channel` [INFO] [stderr] --> src/lib.rs:16:15 [INFO] [stderr] | [INFO] [stderr] 16 | use ads1x1x::{channel, Ads1x1x, SlaveAddr}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::marker::PhantomData` [INFO] [stderr] --> src/lib.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use core::marker::PhantomData; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `embedded_hal::blocking::delay::DelayMs` [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use embedded_hal::blocking::delay::DelayMs; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `WriteRead`, `Write` [INFO] [stderr] --> src/lib.rs:19:41 [INFO] [stderr] | [INFO] [stderr] 19 | use embedded_hal::blocking::i2c::{Read, Write, WriteRead}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `linux_embedded_hal::I2cdev` [INFO] [stderr] --> src/lib.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use linux_embedded_hal::I2cdev; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::convert::TryFrom` [INFO] [stderr] --> src/humidity.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::convert::TryFrom; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `PathBuf` [INFO] [stderr] --> src/pressure.rs:6:22 [INFO] [stderr] | [INFO] [stderr] 6 | use std::path::{Path,PathBuf}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/pressure.rs:44:151 [INFO] [stderr] | [INFO] [stderr] 44 | let value = fs::read_to_string(path.join(PRESSURE)).unwrap_or(String::from("-1.0")).parse::().expect("pressure value convert to f32 error");; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Ads1x1x`, `SlaveAddr`, `channel` [INFO] [stderr] --> src/lib.rs:16:15 [INFO] [stderr] | [INFO] [stderr] 16 | use ads1x1x::{channel, Ads1x1x, SlaveAddr}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::marker::PhantomData` [INFO] [stderr] --> src/lib.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use core::marker::PhantomData; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `embedded_hal::blocking::delay::DelayMs` [INFO] [stderr] --> src/lib.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use embedded_hal::blocking::delay::DelayMs; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `WriteRead`, `Write` [INFO] [stderr] --> src/lib.rs:19:41 [INFO] [stderr] | [INFO] [stderr] 19 | use embedded_hal::blocking::i2c::{Read, Write, WriteRead}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `linux_embedded_hal::I2cdev` [INFO] [stderr] --> src/lib.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use linux_embedded_hal::I2cdev; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/lib.rs:19:35 [INFO] [stderr] | [INFO] [stderr] 19 | use embedded_hal::blocking::i2c::{Read, Write, WriteRead}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/lib.rs:19:35 [INFO] [stderr] | [INFO] [stderr] 19 | use embedded_hal::blocking::i2c::{Read, Write, WriteRead}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pressure.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | let mut voltage = value as f32 / i16::max_value() as f32 * 5.0; [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: constant item is never used: `LIMIT` [INFO] [stderr] --> src/pressure.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | const LIMIT: &'static str = "pressure_limit"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cfg` [INFO] [stderr] --> src/lib.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | cfg:Config, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pressure.rs:22:13 [INFO] [stderr] | [INFO] [stderr] 22 | let mut voltage = value as f32 / i16::max_value() as f32 * 5.0; [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: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `LIMIT` [INFO] [stderr] --> src/pressure.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | const LIMIT: &'static str = "pressure_limit"; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cfg` [INFO] [stderr] --> src/lib.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | cfg:Config, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `PathBuf` [INFO] [stderr] --> src/main.rs:21:17 [INFO] [stderr] | [INFO] [stderr] 21 | use std::path::{PathBuf,Path}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `atty::Stream` [INFO] [stderr] --> src/main.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | use atty::Stream; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mflow` [INFO] [stderr] --> src/main.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let mut mflow = Massflow::create(workdir); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mflow` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `handle` [INFO] [stderr] --> src/main.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let mut handle = stdout.lock(); // acquire a lock on it [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let mut mflow = Massflow::create(workdir); [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let mut handle = stdout.lock(); // acquire a lock on it [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `PathBuf` [INFO] [stderr] --> src/main.rs:21:17 [INFO] [stderr] | [INFO] [stderr] 21 | use std::path::{PathBuf,Path}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `atty::Stream` [INFO] [stderr] --> src/main.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | use atty::Stream; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/main.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `mflow` [INFO] [stderr] --> src/main.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let mut mflow = Massflow::create(workdir); [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mflow` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `handle` [INFO] [stderr] --> src/main.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let mut handle = stdout.lock(); // acquire a lock on it [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | let mut mflow = Massflow::create(workdir); [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:58:9 [INFO] [stderr] | [INFO] [stderr] 58 | let mut handle = stdout.lock(); // acquire a lock on it [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 50s [INFO] running `"docker" "inspect" "1c70d87a0bf6d4f4047877f94506d79c0e4edf3b3142baf9d9cd7143f4f0afa1"` [INFO] running `"docker" "rm" "-f" "1c70d87a0bf6d4f4047877f94506d79c0e4edf3b3142baf9d9cd7143f4f0afa1"` [INFO] [stdout] 1c70d87a0bf6d4f4047877f94506d79c0e4edf3b3142baf9d9cd7143f4f0afa1