[INFO] cloning repository https://github.com/lar-rs/massflow [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lar-rs/massflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flar-rs%2Fmassflow", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flar-rs%2Fmassflow'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aba6be5e764fc80a4122cd102d8e51ec915366cb [INFO] checking lar-rs/massflow against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flar-rs%2Fmassflow" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lar-rs/massflow on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4/source/.cargo/config [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-4/source/Cargo.toml [INFO] crate git repo https://github.com/lar-rs/massflow already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e360b4e4cac3cd5e560b734bd1deb0c02dfc4a5479912565103a50869c73477e [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" "e360b4e4cac3cd5e560b734bd1deb0c02dfc4a5479912565103a50869c73477e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e360b4e4cac3cd5e560b734bd1deb0c02dfc4a5479912565103a50869c73477e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e360b4e4cac3cd5e560b734bd1deb0c02dfc4a5479912565103a50869c73477e", kill_on_drop: false }` [INFO] [stdout] e360b4e4cac3cd5e560b734bd1deb0c02dfc4a5479912565103a50869c73477e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e1a21b99258f9243d7788494adc05c9f39d323dbaffd80205c8d975f4637d1a [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" "7e1a21b99258f9243d7788494adc05c9f39d323dbaffd80205c8d975f4637d1a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking smallvec v1.0.0 [INFO] [stderr] Checking nb v0.1.2 [INFO] [stderr] Compiling doc-comment v0.3.1 [INFO] [stderr] Checking paw-raw v1.0.0 [INFO] [stderr] Compiling sysinfo v0.10.2 [INFO] [stderr] Checking try_from v0.2.2 [INFO] [stderr] Checking bitvec v0.15.2 [INFO] [stderr] Compiling libdbus-sys v0.2.1 [INFO] [stderr] Compiling can v0.1.0 (https://github.com/lar-rs/can.git#b751a66a) [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking filetime v0.2.8 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking serial-core v0.4.0 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking embedded-hal v0.2.3 [INFO] [stderr] Checking inotify v0.6.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking ctrlc v3.1.3 [INFO] [stderr] Checking i2cdev v0.4.4 [INFO] [stderr] Checking spidev v0.4.0 [INFO] [stderr] Checking parking_lot_core v0.7.0 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking os_type v2.2.0 [INFO] [stderr] Checking serial-unix v0.4.0 [INFO] [stderr] Checking ads1x1x v0.2.0 [INFO] [stderr] Checking mcp3425 v0.3.0 [INFO] [stderr] Checking nom v5.0.1 [INFO] [stderr] Checking run_script v0.3.2 [INFO] [stderr] Checking parking_lot v0.10.0 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking crossterm v0.13.3 [INFO] [stderr] Checking pretty_env_logger v0.3.1 [INFO] [stderr] Checking dbus v0.7.1 [INFO] [stderr] Checking linux-embedded-hal v0.3.0 [INFO] [stderr] Checking notify v4.0.14 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking console v0.7.7 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking socketcan v1.7.0 [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] Checking clap_flags v0.4.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [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 toml v0.4.10 [INFO] [stderr] Checking serde_json v1.0.44 [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] [stdout] warning: unused import: `std::convert::TryFrom` [INFO] [stdout] --> src/humidity.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/pressure.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use std::path::{Path,PathBuf}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/pressure.rs:44:151 [INFO] [stdout] | [INFO] [stdout] 44 | ...2>().expect("pressure value convert to f32 error");; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ads1x1x`, `SlaveAddr`, `channel` [INFO] [stdout] --> src/lib.rs:16:15 [INFO] [stdout] | [INFO] [stdout] 16 | use ads1x1x::{channel, Ads1x1x, SlaveAddr}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::marker::PhantomData` [INFO] [stdout] --> src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use core::marker::PhantomData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `embedded_hal::blocking::delay::DelayMs` [INFO] [stdout] --> src/lib.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use embedded_hal::blocking::delay::DelayMs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `WriteRead`, `Write` [INFO] [stdout] --> src/lib.rs:19:41 [INFO] [stdout] | [INFO] [stdout] 19 | use embedded_hal::blocking::i2c::{Read, Write, WriteRead}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `linux_embedded_hal::I2cdev` [INFO] [stdout] --> src/lib.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use linux_embedded_hal::I2cdev; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryFrom` [INFO] [stdout] --> src/humidity.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/pressure.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use std::path::{Path,PathBuf}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/pressure.rs:44:151 [INFO] [stdout] | [INFO] [stdout] 44 | ...2>().expect("pressure value convert to f32 error");; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Ads1x1x`, `SlaveAddr`, `channel` [INFO] [stdout] --> src/lib.rs:16:15 [INFO] [stdout] | [INFO] [stdout] 16 | use ads1x1x::{channel, Ads1x1x, SlaveAddr}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::marker::PhantomData` [INFO] [stdout] --> src/lib.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use core::marker::PhantomData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `embedded_hal::blocking::delay::DelayMs` [INFO] [stdout] --> src/lib.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use embedded_hal::blocking::delay::DelayMs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `WriteRead`, `Write` [INFO] [stdout] --> src/lib.rs:19:41 [INFO] [stdout] | [INFO] [stdout] 19 | use embedded_hal::blocking::i2c::{Read, Write, WriteRead}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `linux_embedded_hal::I2cdev` [INFO] [stdout] --> src/lib.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use linux_embedded_hal::I2cdev; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/lib.rs:19:35 [INFO] [stdout] | [INFO] [stdout] 19 | use embedded_hal::blocking::i2c::{Read, Write, WriteRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/lib.rs:19:35 [INFO] [stdout] | [INFO] [stdout] 19 | use embedded_hal::blocking::i2c::{Read, Write, WriteRead}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pressure.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | let mut voltage = value as f32 / i16::max_value() as f32 * 5.0; [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: constant is never used: `LIMIT` [INFO] [stdout] --> src/pressure.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | const LIMIT: &'static str = "pressure_limit"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cfg` [INFO] [stdout] --> src/lib.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | cfg:Config, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pressure.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | let mut voltage = value as f32 / i16::max_value() as f32 * 5.0; [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: constant is never used: `LIMIT` [INFO] [stdout] --> src/pressure.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | const LIMIT: &'static str = "pressure_limit"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cfg` [INFO] [stdout] --> src/lib.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | cfg:Config, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/main.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 21 | use std::path::{PathBuf,Path}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `atty::Stream` [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use atty::Stream; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mflow` [INFO] [stdout] --> src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let mut mflow = Massflow::create(workdir); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mflow` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let mut handle = stdout.lock(); // acquire a lock on it [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PathBuf` [INFO] [stdout] --> src/main.rs:21:17 [INFO] [stdout] | [INFO] [stdout] 21 | use std::path::{PathBuf,Path}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `atty::Stream` [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use atty::Stream; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 30 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let mut mflow = Massflow::create(workdir); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let mut handle = stdout.lock(); // acquire a lock on it [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `mflow` [INFO] [stdout] --> src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let mut mflow = Massflow::create(workdir); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mflow` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `handle` [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let mut handle = stdout.lock(); // acquire a lock on it [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let mut mflow = Massflow::create(workdir); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | let mut handle = stdout.lock(); // acquire a lock on it [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 43s [INFO] running `Command { std: "docker" "inspect" "7e1a21b99258f9243d7788494adc05c9f39d323dbaffd80205c8d975f4637d1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e1a21b99258f9243d7788494adc05c9f39d323dbaffd80205c8d975f4637d1a", kill_on_drop: false }` [INFO] [stdout] 7e1a21b99258f9243d7788494adc05c9f39d323dbaffd80205c8d975f4637d1a