Dec 19 14:53:30.941 INFO checking jsalzbergedu/Hello-Rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:53:30.941 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:53:31.504 INFO [stdout] 03114b99cc15b9cfcc4891df7e41af6beadeafef282b7a7413a87d2f61d10f02
Dec 19 14:53:31.510 INFO running `"docker" "start" "-a" "03114b99cc15b9cfcc4891df7e41af6beadeafef282b7a7413a87d2f61d10f02"`
Dec 19 14:53:33.621 INFO [stderr]    Compiling gdk-pixbuf v0.1.2
Dec 19 14:53:33.637 INFO [stderr]    Compiling cairo-rs v0.1.2
Dec 19 14:53:33.637 INFO [stderr]    Compiling gio v0.1.2
Dec 19 14:53:33.637 INFO [stderr]     Checking c_vec v1.2.0
Dec 19 14:53:33.637 INFO [stderr]    Compiling gdk v0.5.2
Dec 19 14:53:33.637 INFO [stderr]    Compiling gtk v0.1.2
Dec 19 14:53:33.638 INFO [stderr]    Compiling glib-sys v0.3.3
Dec 19 14:53:33.638 INFO [stderr]    Compiling gobject-sys v0.3.3
Dec 19 14:53:35.420 INFO [stderr]    Compiling gio-sys v0.3.3
Dec 19 14:53:35.434 INFO [stderr]    Compiling pango-sys v0.3.3
Dec 19 14:53:35.544 INFO [stderr]    Compiling cairo-sys-rs v0.3.3
Dec 19 14:53:35.620 INFO [stderr]    Compiling gdk-pixbuf-sys v0.3.3
Dec 19 14:53:35.955 INFO [stderr]    Compiling atk-sys v0.3.3
Dec 19 14:53:35.973 INFO [stderr]    Compiling gdk-sys v0.3.3
Dec 19 14:53:37.622 INFO [stderr]    Compiling gtk-sys v0.3.3
Dec 19 14:53:41.458 INFO [stderr]     Checking glib v0.1.2
Dec 19 14:53:43.488 INFO [stderr]     Checking pango v0.1.2
Dec 19 14:54:08.281 INFO [stderr]     Checking hello_world v0.0.1 (/opt/crater/workdir)
Dec 19 14:54:08.442 INFO [stderr] warning: unused import: `std::env`
Dec 19 14:54:08.442 INFO [stderr]  --> src/main.rs:1:5
Dec 19 14:54:08.442 INFO [stderr]   |
Dec 19 14:54:08.442 INFO [stderr] 1 | use std::env; // cool as shizzle
Dec 19 14:54:08.442 INFO [stderr]   |     ^^^^^^^^
Dec 19 14:54:08.442 INFO [stderr]   |
Dec 19 14:54:08.442 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:54:08.442 INFO [stderr] 
Dec 19 14:54:08.472 INFO [stderr] warning: function is never used: `find`
Dec 19 14:54:08.472 INFO [stderr]  --> src/main.rs:3:1
Dec 19 14:54:08.472 INFO [stderr]   |
Dec 19 14:54:08.472 INFO [stderr] 3 | fn find(haystack: &str, needle: char) -> Option<usize> {
Dec 19 14:54:08.472 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:54:08.472 INFO [stderr]   |
Dec 19 14:54:08.474 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 14:54:08.474 INFO [stderr] 
Dec 19 14:54:08.474 INFO [stderr] warning: function is never used: `extension_explicit`
Dec 19 14:54:08.474 INFO [stderr]   --> src/main.rs:24:1
Dec 19 14:54:08.474 INFO [stderr]    |
Dec 19 14:54:08.474 INFO [stderr] 24 | fn extension_explicit(file_name: &str) -> Option<&str> { // Just an example, use std's extension for extensions
Dec 19 14:54:08.474 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:54:08.474 INFO [stderr] 
Dec 19 14:54:08.540 INFO [stderr] warning: unused import: `std::env`
Dec 19 14:54:08.540 INFO [stderr]  --> src/main.rs:1:5
Dec 19 14:54:08.540 INFO [stderr]   |
Dec 19 14:54:08.540 INFO [stderr] 1 | use std::env; // cool as shizzle
Dec 19 14:54:08.540 INFO [stderr]   |     ^^^^^^^^
Dec 19 14:54:08.540 INFO [stderr]   |
Dec 19 14:54:08.540 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:54:08.540 INFO [stderr] 
Dec 19 14:54:08.571 INFO [stderr] warning: function is never used: `find`
Dec 19 14:54:08.571 INFO [stderr]  --> src/main.rs:3:1
Dec 19 14:54:08.571 INFO [stderr]   |
Dec 19 14:54:08.571 INFO [stderr] 3 | fn find(haystack: &str, needle: char) -> Option<usize> {
Dec 19 14:54:08.571 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:54:08.571 INFO [stderr]   |
Dec 19 14:54:08.571 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 14:54:08.571 INFO [stderr] 
Dec 19 14:54:08.571 INFO [stderr] warning: function is never used: `extension_explicit`
Dec 19 14:54:08.571 INFO [stderr]   --> src/main.rs:24:1
Dec 19 14:54:08.571 INFO [stderr]    |
Dec 19 14:54:08.571 INFO [stderr] 24 | fn extension_explicit(file_name: &str) -> Option<&str> { // Just an example, use std's extension for extensions
Dec 19 14:54:08.571 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:54:08.571 INFO [stderr] 
Dec 19 14:54:08.590 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.06s
Dec 19 14:54:08.901 INFO running `"docker" "inspect" "03114b99cc15b9cfcc4891df7e41af6beadeafef282b7a7413a87d2f61d10f02"`
Dec 19 14:54:09.049 INFO running `"docker" "rm" "-f" "03114b99cc15b9cfcc4891df7e41af6beadeafef282b7a7413a87d2f61d10f02"`
Dec 19 14:54:09.180 INFO [stdout] 03114b99cc15b9cfcc4891df7e41af6beadeafef282b7a7413a87d2f61d10f02