Dec 17 22:01:35.378 INFO checking jsalzbergedu/Hello-Rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:01:35.378 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jsalzbergedu/Hello-Rust:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:01:36.217 INFO [stdout] b53cc7c903fac985a162aa181a43e42d7b9da4abe00156e8777f0cde4cd78cb6
Dec 17 22:01:36.220 INFO running `"docker" "start" "-a" "b53cc7c903fac985a162aa181a43e42d7b9da4abe00156e8777f0cde4cd78cb6"`
Dec 17 22:01:38.860 INFO [stderr]    Compiling gio v0.1.2
Dec 17 22:01:38.860 INFO [stderr]    Compiling gdk-pixbuf v0.1.2
Dec 17 22:01:38.862 INFO [stderr]    Compiling cairo-rs v0.1.2
Dec 17 22:01:38.864 INFO [stderr]    Compiling gdk v0.5.2
Dec 17 22:01:38.870 INFO [stderr]     Checking c_vec v1.2.0
Dec 17 22:01:38.872 INFO [stderr]    Compiling gtk v0.1.2
Dec 17 22:01:38.872 INFO [stderr]    Compiling glib-sys v0.3.3
Dec 17 22:01:38.872 INFO [stderr]    Compiling gobject-sys v0.3.3
Dec 17 22:01:40.100 INFO [stderr]    Compiling gio-sys v0.3.3
Dec 17 22:01:40.773 INFO [stderr]    Compiling cairo-sys-rs v0.3.3
Dec 17 22:01:40.881 INFO [stderr]    Compiling pango-sys v0.3.3
Dec 17 22:01:40.936 INFO [stderr]    Compiling gdk-pixbuf-sys v0.3.3
Dec 17 22:01:41.196 INFO [stderr]    Compiling atk-sys v0.3.3
Dec 17 22:01:41.345 INFO [stderr]    Compiling gdk-sys v0.3.3
Dec 17 22:01:43.037 INFO [stderr]    Compiling gtk-sys v0.3.3
Dec 17 22:01:48.032 INFO [stderr]     Checking glib v0.1.2
Dec 17 22:01:50.116 INFO [stderr]     Checking pango v0.1.2
Dec 17 22:02:14.671 INFO [stderr]     Checking hello_world v0.0.1 (/opt/crater/workdir)
Dec 17 22:02:14.835 INFO [stderr] warning: unused import: `std::env`
Dec 17 22:02:14.835 INFO [stderr]  --> src/main.rs:1:5
Dec 17 22:02:14.835 INFO [stderr]   |
Dec 17 22:02:14.835 INFO [stderr] 1 | use std::env; // cool as shizzle
Dec 17 22:02:14.835 INFO [stderr]   |     ^^^^^^^^
Dec 17 22:02:14.835 INFO [stderr]   |
Dec 17 22:02:14.835 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:02:14.835 INFO [stderr] 
Dec 17 22:02:14.844 INFO [stderr] warning: unused import: `std::env`
Dec 17 22:02:14.844 INFO [stderr]  --> src/main.rs:1:5
Dec 17 22:02:14.844 INFO [stderr]   |
Dec 17 22:02:14.844 INFO [stderr] 1 | use std::env; // cool as shizzle
Dec 17 22:02:14.844 INFO [stderr]   |     ^^^^^^^^
Dec 17 22:02:14.844 INFO [stderr]   |
Dec 17 22:02:14.844 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:02:14.844 INFO [stderr] 
Dec 17 22:02:14.859 INFO [stderr] warning: function is never used: `find`
Dec 17 22:02:14.859 INFO [stderr]  --> src/main.rs:3:1
Dec 17 22:02:14.859 INFO [stderr]   |
Dec 17 22:02:14.859 INFO [stderr] 3 | fn find(haystack: &str, needle: char) -> Option<usize> {
Dec 17 22:02:14.859 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:02:14.860 INFO [stderr]   |
Dec 17 22:02:14.860 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:02:14.860 INFO [stderr] 
Dec 17 22:02:14.860 INFO [stderr] warning: function is never used: `extension_explicit`
Dec 17 22:02:14.860 INFO [stderr]   --> src/main.rs:24:1
Dec 17 22:02:14.860 INFO [stderr]    |
Dec 17 22:02:14.860 INFO [stderr] 24 | fn extension_explicit(file_name: &str) -> Option<&str> { // Just an example, use std's extension for extensions
Dec 17 22:02:14.860 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:02:14.860 INFO [stderr] 
Dec 17 22:02:14.879 INFO [stderr] warning: function is never used: `find`
Dec 17 22:02:14.880 INFO [stderr]  --> src/main.rs:3:1
Dec 17 22:02:14.880 INFO [stderr]   |
Dec 17 22:02:14.880 INFO [stderr] 3 | fn find(haystack: &str, needle: char) -> Option<usize> {
Dec 17 22:02:14.880 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:02:14.880 INFO [stderr]   |
Dec 17 22:02:14.880 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:02:14.880 INFO [stderr] 
Dec 17 22:02:14.880 INFO [stderr] warning: function is never used: `extension_explicit`
Dec 17 22:02:14.880 INFO [stderr]   --> src/main.rs:24:1
Dec 17 22:02:14.880 INFO [stderr]    |
Dec 17 22:02:14.880 INFO [stderr] 24 | fn extension_explicit(file_name: &str) -> Option<&str> { // Just an example, use std's extension for extensions
Dec 17 22:02:14.880 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:02:14.880 INFO [stderr] 
Dec 17 22:02:14.915 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.14s
Dec 17 22:02:15.302 INFO running `"docker" "inspect" "b53cc7c903fac985a162aa181a43e42d7b9da4abe00156e8777f0cde4cd78cb6"`
Dec 17 22:02:15.488 INFO running `"docker" "rm" "-f" "b53cc7c903fac985a162aa181a43e42d7b9da4abe00156e8777f0cde4cd78cb6"`
Dec 17 22:02:15.640 INFO [stdout] b53cc7c903fac985a162aa181a43e42d7b9da4abe00156e8777f0cde4cd78cb6