Dec 05 03:40:43.974 INFO checking 9999years/gcc-emu against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 03:40:43.974 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 03:40:44.360 INFO [stdout] e013c58207d355fee5dc6324d795099a73a0c2c9dbcb91d86294d6294f33eb55
Dec 05 03:40:44.360 INFO running `"docker" "start" "-a" "e013c58207d355fee5dc6324d795099a73a0c2c9dbcb91d86294d6294f33eb55"`
Dec 05 03:40:45.656 INFO [stderr] usermod: no changes
Dec 05 03:40:45.763 INFO [stderr]     Checking gcc-emu v0.1.0 (/source)
Dec 05 03:40:46.703 INFO [stderr] warning: unused import: `std::thread`
Dec 05 03:40:46.703 INFO [stderr]  --> src/main.rs:9:5
Dec 05 03:40:46.703 INFO [stderr]   |
Dec 05 03:40:46.703 INFO [stderr] 9 | use std::thread;
Dec 05 03:40:46.703 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 03:40:46.703 INFO [stderr]   |
Dec 05 03:40:46.703 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:40:46.703 INFO [stderr] 
Dec 05 03:40:46.799 INFO [stderr] warning: unused import: `std::thread`
Dec 05 03:40:46.799 INFO [stderr]  --> src/main.rs:9:5
Dec 05 03:40:46.799 INFO [stderr]   |
Dec 05 03:40:46.799 INFO [stderr] 9 | use std::thread;
Dec 05 03:40:46.799 INFO [stderr]   |     ^^^^^^^^^^^
Dec 05 03:40:46.799 INFO [stderr]   |
Dec 05 03:40:46.799 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:40:46.799 INFO [stderr] 
Dec 05 03:40:46.806 INFO [stderr] warning: function is never used: `fread`
Dec 05 03:40:46.806 INFO [stderr]   --> src/main.rs:18:1
Dec 05 03:40:46.806 INFO [stderr]    |
Dec 05 03:40:46.806 INFO [stderr] 18 | fn fread(fname: &str) -> String {
Dec 05 03:40:46.806 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:40:46.806 INFO [stderr]    |
Dec 05 03:40:46.806 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 03:40:46.806 INFO [stderr] 
Dec 05 03:40:46.806 INFO [stderr] warning: function is never used: `man`
Dec 05 03:40:46.806 INFO [stderr]   --> src/main.rs:48:1
Dec 05 03:40:46.806 INFO [stderr]    |
Dec 05 03:40:46.807 INFO [stderr] 48 | fn man(cmd: &str) -> String {
Dec 05 03:40:46.807 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:40:46.807 INFO [stderr] 
Dec 05 03:40:46.807 INFO [stderr] warning: function is never used: `args`
Dec 05 03:40:46.807 INFO [stderr]   --> src/main.rs:57:1
Dec 05 03:40:46.807 INFO [stderr]    |
Dec 05 03:40:46.807 INFO [stderr] 57 | fn args(cmd: &str) -> Vec<String> {
Dec 05 03:40:46.807 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:40:46.807 INFO [stderr] 
Dec 05 03:40:46.807 INFO [stderr] warning: function is never used: `gcc_invocation`
Dec 05 03:40:46.807 INFO [stderr]   --> src/main.rs:72:1
Dec 05 03:40:46.807 INFO [stderr]    |
Dec 05 03:40:46.807 INFO [stderr] 72 | fn gcc_invocation() -> String {
Dec 05 03:40:46.807 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:40:46.807 INFO [stderr] 
Dec 05 03:40:46.807 INFO [stderr] warning: function is never used: `invocation`
Dec 05 03:40:46.807 INFO [stderr]   --> src/main.rs:77:1
Dec 05 03:40:46.807 INFO [stderr]    |
Dec 05 03:40:46.807 INFO [stderr] 77 | fn invocation(cmd: &str, count: Range<usize>) -> String {
Dec 05 03:40:46.807 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:40:46.807 INFO [stderr] 
Dec 05 03:40:46.807 INFO [stderr] warning: function is never used: `compilation_time`
Dec 05 03:40:46.807 INFO [stderr]   --> src/main.rs:95:1
Dec 05 03:40:46.807 INFO [stderr]    |
Dec 05 03:40:46.807 INFO [stderr] 95 | fn compilation_time() -> Duration {
Dec 05 03:40:46.807 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:40:46.807 INFO [stderr] 
Dec 05 03:40:46.893 INFO [stderr] warning: function is never used: `fread`
Dec 05 03:40:46.893 INFO [stderr]   --> src/main.rs:18:1
Dec 05 03:40:46.893 INFO [stderr]    |
Dec 05 03:40:46.893 INFO [stderr] 18 | fn fread(fname: &str) -> String {
Dec 05 03:40:46.893 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:40:46.893 INFO [stderr]    |
Dec 05 03:40:46.894 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 03:40:46.894 INFO [stderr] 
Dec 05 03:40:46.894 INFO [stderr] warning: function is never used: `man`
Dec 05 03:40:46.894 INFO [stderr]   --> src/main.rs:48:1
Dec 05 03:40:46.894 INFO [stderr]    |
Dec 05 03:40:46.894 INFO [stderr] 48 | fn man(cmd: &str) -> String {
Dec 05 03:40:46.894 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:40:46.894 INFO [stderr] 
Dec 05 03:40:46.894 INFO [stderr] warning: function is never used: `args`
Dec 05 03:40:46.894 INFO [stderr]   --> src/main.rs:57:1
Dec 05 03:40:46.894 INFO [stderr]    |
Dec 05 03:40:46.894 INFO [stderr] 57 | fn args(cmd: &str) -> Vec<String> {
Dec 05 03:40:46.894 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:40:46.894 INFO [stderr] 
Dec 05 03:40:46.894 INFO [stderr] warning: function is never used: `gcc_invocation`
Dec 05 03:40:46.894 INFO [stderr]   --> src/main.rs:72:1
Dec 05 03:40:46.894 INFO [stderr]    |
Dec 05 03:40:46.894 INFO [stderr] 72 | fn gcc_invocation() -> String {
Dec 05 03:40:46.894 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:40:46.894 INFO [stderr] 
Dec 05 03:40:46.894 INFO [stderr] warning: function is never used: `invocation`
Dec 05 03:40:46.894 INFO [stderr]   --> src/main.rs:77:1
Dec 05 03:40:46.894 INFO [stderr]    |
Dec 05 03:40:46.894 INFO [stderr] 77 | fn invocation(cmd: &str, count: Range<usize>) -> String {
Dec 05 03:40:46.894 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:40:46.894 INFO [stderr] 
Dec 05 03:40:46.894 INFO [stderr] warning: function is never used: `compilation_time`
Dec 05 03:40:46.894 INFO [stderr]   --> src/main.rs:95:1
Dec 05 03:40:46.894 INFO [stderr]    |
Dec 05 03:40:46.894 INFO [stderr] 95 | fn compilation_time() -> Duration {
Dec 05 03:40:46.894 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:40:46.894 INFO [stderr] 
Dec 05 03:40:46.911 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
Dec 05 03:40:46.913 INFO [stderr] su: No module specific data is present
Dec 05 03:40:47.198 INFO running `"docker" "inspect" "e013c58207d355fee5dc6324d795099a73a0c2c9dbcb91d86294d6294f33eb55"`
Dec 05 03:40:47.309 INFO running `"docker" "rm" "-f" "e013c58207d355fee5dc6324d795099a73a0c2c9dbcb91d86294d6294f33eb55"`
Dec 05 03:40:47.425 INFO [stdout] e013c58207d355fee5dc6324d795099a73a0c2c9dbcb91d86294d6294f33eb55