[INFO] cloning repository https://github.com/lkitching/rlpi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lkitching/rlpi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkitching%2Frlpi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkitching%2Frlpi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7076008d1ed2118bc0d2d04df0bba675b0a8fb3
[INFO] checking lkitching/rlpi against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flkitching%2Frlpi" "/workspace/builds/worker-105/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-105/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lkitching/rlpi on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lkitching/rlpi
[INFO] finished tweaking git repo https://github.com/lkitching/rlpi
[INFO] tweaked toml for git repo https://github.com/lkitching/rlpi written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate git repo https://github.com/lkitching/rlpi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b04d7f787c671ef00ea67d27642098bab489d232a0e36b2f056b604452651bd
[INFO] running `Command { std: "docker" "start" "-a" "4b04d7f787c671ef00ea67d27642098bab489d232a0e36b2f056b604452651bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b04d7f787c671ef00ea67d27642098bab489d232a0e36b2f056b604452651bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b04d7f787c671ef00ea67d27642098bab489d232a0e36b2f056b604452651bd", kill_on_drop: false }`
[INFO] [stdout] 4b04d7f787c671ef00ea67d27642098bab489d232a0e36b2f056b604452651bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4afe18c4f857c7a385702868a526cc0b44045765a7636fb0fe4d837f64bf40eb
[INFO] running `Command { std: "docker" "start" "-a" "4afe18c4f857c7a385702868a526cc0b44045765a7636fb0fe4d837f64bf40eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rlpi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]  --> src/proc/display_env.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/memalloc/free_and_sbrk.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     for i in 0..num_allocs {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/proccred/idshow.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/time/calendar_time.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/time/show_time.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/time/process_time.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for j in 0..num_calls {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/syslim/t_sysconf.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]  --> src/sysinfo/t_uname.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/files/t_umask.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/xattr/xattr_view.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 |     for i in 0..list_len {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/xattr/xattr_view.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/dirs_links/t_unlink.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         for j in 0..num_blocks {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]  --> src/signals/ouch.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern "C" fn sig_handler(sig: c_int) {
[INFO] [stdout]   |                           ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/signals/ouch.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn main(args: &[String]) {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/signals/intquit.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn main(args: &[String]) {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/signals/signal_functions.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn print_sig_mask(of: *mut FILE, msg: &str) -> Result<(), ()> {
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/signals/signal_functions.rs:49:42
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn print_pending_sigs(of: *mut FILE, msg: &str) -> Result<(), ()> {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/signals/sig_sender.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     for j in 0..num_sigs {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/signals/t_sigsuspend.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/timers/real_timer.rs:78:32
[INFO] [stdout]    |
[INFO] [stdout] 78 | extern "C" fn sigalarm_handler(sig: c_int) {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/timers/timed_read.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern "C" fn handler(sig: c_int) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/timers/t_nanosleep.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern "C" fn sigint_handler(sig: c_int) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/procexec/t_fork.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/procexec/fork_file_sharing.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/procexec/fork_sig_sync.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 | extern "C" fn handler(sig: c_int) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/procexec/fork_sig_sync.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/procexec/exit_handlers.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/procexec/fork_stdio_buf.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/procexec/multi_sigchld.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | extern "C" fn handler(sig: c_int) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/procexec/t_system.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]  --> src/proc/display_env.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/memalloc/free_and_sbrk.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     for i in 0..num_allocs {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/proccred/idshow.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/time/calendar_time.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/time/show_time.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/time/process_time.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     for j in 0..num_calls {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/syslim/t_sysconf.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]  --> src/sysinfo/t_uname.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/files/t_umask.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/xattr/xattr_view.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 |     for i in 0..list_len {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/xattr/xattr_view.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/dirs_links/t_unlink.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         for j in 0..num_blocks {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]  --> src/signals/ouch.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern "C" fn sig_handler(sig: c_int) {
[INFO] [stdout]   |                           ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/signals/ouch.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn main(args: &[String]) {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/signals/intquit.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn main(args: &[String]) {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/signals/signal_functions.rs:38:38
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn print_sig_mask(of: *mut FILE, msg: &str) -> Result<(), ()> {
[INFO] [stdout]    |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/signals/signal_functions.rs:49:42
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn print_pending_sigs(of: *mut FILE, msg: &str) -> Result<(), ()> {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> src/signals/sig_sender.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     for j in 0..num_sigs {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/signals/t_sigsuspend.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/timers/real_timer.rs:78:32
[INFO] [stdout]    |
[INFO] [stdout] 78 | extern "C" fn sigalarm_handler(sig: c_int) {
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/timers/timed_read.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern "C" fn handler(sig: c_int) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/timers/t_nanosleep.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern "C" fn sigint_handler(sig: c_int) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/procexec/t_fork.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/procexec/fork_file_sharing.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/procexec/fork_sig_sync.rs:19:23
[INFO] [stdout]    |
[INFO] [stdout] 19 | extern "C" fn handler(sig: c_int) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/procexec/fork_sig_sync.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/procexec/exit_handlers.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/procexec/fork_stdio_buf.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/procexec/multi_sigchld.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 | extern "C" fn handler(sig: c_int) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/procexec/t_system.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn main(args: &[String]) -> ! {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "4afe18c4f857c7a385702868a526cc0b44045765a7636fb0fe4d837f64bf40eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4afe18c4f857c7a385702868a526cc0b44045765a7636fb0fe4d837f64bf40eb", kill_on_drop: false }`
[INFO] [stdout] 4afe18c4f857c7a385702868a526cc0b44045765a7636fb0fe4d837f64bf40eb