Dec 04 16:20:29.316 INFO checking jsalzbergedu/Hello-Rust against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:20:29.316 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 04 16:20:29.759 INFO [stdout] e061bd0363335a17bf008698b996cf7b622af2fe5c25c8a8753c9e9568606416
Dec 04 16:20:29.763 INFO running `"docker" "start" "-a" "e061bd0363335a17bf008698b996cf7b622af2fe5c25c8a8753c9e9568606416"`
Dec 04 16:20:31.155 INFO [stderr] usermod: no changes
Dec 04 16:20:31.273 INFO [stderr]    Compiling gio v0.1.2
Dec 04 16:20:31.273 INFO [stderr]    Compiling cairo-rs v0.1.2
Dec 04 16:20:31.279 INFO [stderr]    Compiling gdk-pixbuf v0.1.2
Dec 04 16:20:31.288 INFO [stderr]     Checking c_vec v1.2.0
Dec 04 16:20:31.291 INFO [stderr]    Compiling gdk v0.5.2
Dec 04 16:20:31.291 INFO [stderr]    Compiling gtk v0.1.2
Dec 04 16:20:31.291 INFO [stderr]    Compiling glib-sys v0.3.3
Dec 04 16:20:31.291 INFO [stderr]    Compiling gobject-sys v0.3.3
Dec 04 16:20:32.815 INFO [stderr]    Compiling gio-sys v0.3.3
Dec 04 16:20:32.919 INFO [stderr]    Compiling cairo-sys-rs v0.3.3
Dec 04 16:20:32.931 INFO [stderr]    Compiling pango-sys v0.3.3
Dec 04 16:20:33.333 INFO [stderr]    Compiling gdk-pixbuf-sys v0.3.3
Dec 04 16:20:33.630 INFO [stderr]    Compiling gdk-sys v0.3.3
Dec 04 16:20:33.655 INFO [stderr]    Compiling atk-sys v0.3.3
Dec 04 16:20:34.727 INFO [stderr]    Compiling gtk-sys v0.3.3
Dec 04 16:20:40.143 INFO [stderr]     Checking glib v0.1.2
Dec 04 16:20:43.903 INFO [stderr]     Checking pango v0.1.2
Dec 04 16:21:10.375 INFO [stderr]     Checking hello_world v0.0.1 (/source)
Dec 04 16:21:10.783 INFO [stderr] warning: unused import: `std::env`
Dec 04 16:21:10.783 INFO [stderr]  --> src/main.rs:1:5
Dec 04 16:21:10.783 INFO [stderr]   |
Dec 04 16:21:10.783 INFO [stderr] 1 | use std::env; // cool as shizzle
Dec 04 16:21:10.783 INFO [stderr]   |     ^^^^^^^^
Dec 04 16:21:10.783 INFO [stderr]   |
Dec 04 16:21:10.783 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:21:10.783 INFO [stderr] 
Dec 04 16:21:10.783 INFO [stderr] warning: unused import: `std::env`
Dec 04 16:21:10.783 INFO [stderr]  --> src/main.rs:1:5
Dec 04 16:21:10.783 INFO [stderr]   |
Dec 04 16:21:10.783 INFO [stderr] 1 | use std::env; // cool as shizzle
Dec 04 16:21:10.783 INFO [stderr]   |     ^^^^^^^^
Dec 04 16:21:10.783 INFO [stderr]   |
Dec 04 16:21:10.783 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:21:10.783 INFO [stderr] 
Dec 04 16:21:10.819 INFO [stderr] warning: function is never used: `find`
Dec 04 16:21:10.819 INFO [stderr]  --> src/main.rs:3:1
Dec 04 16:21:10.819 INFO [stderr]   |
Dec 04 16:21:10.819 INFO [stderr] 3 | fn find(haystack: &str, needle: char) -> Option<usize> {
Dec 04 16:21:10.819 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:21:10.819 INFO [stderr]   |
Dec 04 16:21:10.819 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:21:10.819 INFO [stderr] 
Dec 04 16:21:10.819 INFO [stderr] warning: function is never used: `extension_explicit`
Dec 04 16:21:10.819 INFO [stderr]   --> src/main.rs:24:1
Dec 04 16:21:10.819 INFO [stderr]    |
Dec 04 16:21:10.819 INFO [stderr] 24 | fn extension_explicit(file_name: &str) -> Option<&str> { // Just an example, use std's extension for extensions
Dec 04 16:21:10.819 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:21:10.819 INFO [stderr] 
Dec 04 16:21:10.839 INFO [stderr] warning: function is never used: `find`
Dec 04 16:21:10.839 INFO [stderr]  --> src/main.rs:3:1
Dec 04 16:21:10.839 INFO [stderr]   |
Dec 04 16:21:10.839 INFO [stderr] 3 | fn find(haystack: &str, needle: char) -> Option<usize> {
Dec 04 16:21:10.839 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:21:10.839 INFO [stderr]   |
Dec 04 16:21:10.839 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 16:21:10.839 INFO [stderr] 
Dec 04 16:21:10.839 INFO [stderr] warning: function is never used: `extension_explicit`
Dec 04 16:21:10.839 INFO [stderr]   --> src/main.rs:24:1
Dec 04 16:21:10.839 INFO [stderr]    |
Dec 04 16:21:10.839 INFO [stderr] 24 | fn extension_explicit(file_name: &str) -> Option<&str> { // Just an example, use std's extension for extensions
Dec 04 16:21:10.839 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 16:21:10.839 INFO [stderr] 
Dec 04 16:21:10.866 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.69s
Dec 04 16:21:10.879 INFO [stderr] su: No module specific data is present
Dec 04 16:21:11.395 INFO running `"docker" "inspect" "e061bd0363335a17bf008698b996cf7b622af2fe5c25c8a8753c9e9568606416"`
Dec 04 16:21:11.717 INFO running `"docker" "rm" "-f" "e061bd0363335a17bf008698b996cf7b622af2fe5c25c8a8753c9e9568606416"`
Dec 04 16:21:12.046 INFO [stdout] e061bd0363335a17bf008698b996cf7b622af2fe5c25c8a8753c9e9568606416