Dec 19 12:12:45.045 INFO checking muranoya/CubaLibre against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:12:45.045 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/muranoya/CubaLibre:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:12:45.568 INFO [stdout] 8a959a97d932433a95a09f8460098e6c09ded023b6286d3ede5c4948ef7980db
Dec 19 12:12:45.570 INFO running `"docker" "start" "-a" "8a959a97d932433a95a09f8460098e6c09ded023b6286d3ede5c4948ef7980db"`
Dec 19 12:12:46.631 INFO [stderr]     Checking cuba_libre v0.0.1 (/opt/crater/workdir)
Dec 19 12:12:46.760 INFO [stderr] warning: unused import: `Shutdown`
Dec 19 12:12:46.760 INFO [stderr]  --> src/main.rs:2:40
Dec 19 12:12:46.760 INFO [stderr]   |
Dec 19 12:12:46.760 INFO [stderr] 2 | use std::net::{TcpListener, TcpStream, Shutdown};
Dec 19 12:12:46.760 INFO [stderr]   |                                        ^^^^^^^^
Dec 19 12:12:46.760 INFO [stderr]   |
Dec 19 12:12:46.760 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:12:46.760 INFO [stderr] 
Dec 19 12:12:46.786 INFO [stderr] warning: unused import: `Shutdown`
Dec 19 12:12:46.786 INFO [stderr]  --> src/main.rs:2:40
Dec 19 12:12:46.786 INFO [stderr]   |
Dec 19 12:12:46.786 INFO [stderr] 2 | use std::net::{TcpListener, TcpStream, Shutdown};
Dec 19 12:12:46.786 INFO [stderr]   |                                        ^^^^^^^^
Dec 19 12:12:46.786 INFO [stderr]   |
Dec 19 12:12:46.786 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:12:46.786 INFO [stderr] 
Dec 19 12:12:46.870 INFO [stderr] warning: unused variable: `args`
Dec 19 12:12:46.870 INFO [stderr]    --> src/main.rs:103:16
Dec 19 12:12:46.870 INFO [stderr]     |
Dec 19 12:12:46.870 INFO [stderr] 103 | fn set_options(args:&mut env::Args) -> Result<RToption, String> {
Dec 19 12:12:46.870 INFO [stderr]     |                ^^^^ help: consider using `_args` instead
Dec 19 12:12:46.870 INFO [stderr]     |
Dec 19 12:12:46.870 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:12:46.870 INFO [stderr] 
Dec 19 12:12:46.901 INFO [stderr] warning: field is never used: `verbose`
Dec 19 12:12:46.901 INFO [stderr]   --> src/main.rs:96:5
Dec 19 12:12:46.901 INFO [stderr]    |
Dec 19 12:12:46.901 INFO [stderr] 96 |     verbose:     i32,
Dec 19 12:12:46.901 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 12:12:46.901 INFO [stderr]    |
Dec 19 12:12:46.901 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:12:46.901 INFO [stderr] 
Dec 19 12:12:46.908 INFO [stderr] warning: function is never used: `print_usage`
Dec 19 12:12:46.908 INFO [stderr]   --> src/main.rs:99:1
Dec 19 12:12:46.908 INFO [stderr]    |
Dec 19 12:12:46.908 INFO [stderr] 99 | fn print_usage(args:&mut env::Args) {
Dec 19 12:12:46.908 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:12:46.908 INFO [stderr] 
Dec 19 12:12:46.908 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:12:46.908 INFO [stderr]    --> src/main.rs:257:21
Dec 19 12:12:46.909 INFO [stderr]     |
Dec 19 12:12:46.909 INFO [stderr] 257 |                     sendrecv_data(req, sock);
Dec 19 12:12:46.909 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:12:46.909 INFO [stderr]     |
Dec 19 12:12:46.909 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 12:12:46.909 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:12:46.909 INFO [stderr] 
Dec 19 12:12:46.911 INFO [stderr] warning: unused variable: `args`
Dec 19 12:12:46.911 INFO [stderr]    --> src/main.rs:103:16
Dec 19 12:12:46.911 INFO [stderr]     |
Dec 19 12:12:46.911 INFO [stderr] 103 | fn set_options(args:&mut env::Args) -> Result<RToption, String> {
Dec 19 12:12:46.911 INFO [stderr]     |                ^^^^ help: consider using `_args` instead
Dec 19 12:12:46.911 INFO [stderr]     |
Dec 19 12:12:46.912 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:12:46.912 INFO [stderr] 
Dec 19 12:12:46.950 INFO [stderr] warning: field is never used: `verbose`
Dec 19 12:12:46.950 INFO [stderr]   --> src/main.rs:96:5
Dec 19 12:12:46.950 INFO [stderr]    |
Dec 19 12:12:46.950 INFO [stderr] 96 |     verbose:     i32,
Dec 19 12:12:46.950 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 12:12:46.950 INFO [stderr]    |
Dec 19 12:12:46.950 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:12:46.950 INFO [stderr] 
Dec 19 12:12:46.950 INFO [stderr] warning: function is never used: `print_usage`
Dec 19 12:12:46.950 INFO [stderr]   --> src/main.rs:99:1
Dec 19 12:12:46.950 INFO [stderr]    |
Dec 19 12:12:46.950 INFO [stderr] 99 | fn print_usage(args:&mut env::Args) {
Dec 19 12:12:46.950 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:12:46.950 INFO [stderr] 
Dec 19 12:12:46.952 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:12:46.952 INFO [stderr]    --> src/main.rs:257:21
Dec 19 12:12:46.952 INFO [stderr]     |
Dec 19 12:12:46.952 INFO [stderr] 257 |                     sendrecv_data(req, sock);
Dec 19 12:12:46.952 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:12:46.952 INFO [stderr]     |
Dec 19 12:12:46.952 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 12:12:46.952 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:12:46.952 INFO [stderr] 
Dec 19 12:12:46.989 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
Dec 19 12:12:47.332 INFO running `"docker" "inspect" "8a959a97d932433a95a09f8460098e6c09ded023b6286d3ede5c4948ef7980db"`
Dec 19 12:12:47.458 INFO running `"docker" "rm" "-f" "8a959a97d932433a95a09f8460098e6c09ded023b6286d3ede5c4948ef7980db"`
Dec 19 12:12:47.554 INFO [stdout] 8a959a97d932433a95a09f8460098e6c09ded023b6286d3ede5c4948ef7980db