Dec 17 22:01:46.183 INFO checking jsalzbergedu/Hello-Rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:01:46.183 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:01:46.660 INFO [stdout] ef18a51e2166017133415085705a87533977d47839f791123cbcdf2fe71bc6da
Dec 17 22:01:46.668 INFO running `"docker" "start" "-a" "ef18a51e2166017133415085705a87533977d47839f791123cbcdf2fe71bc6da"`
Dec 17 22:01:48.474 INFO [stderr]    Compiling gdk-pixbuf v0.1.2
Dec 17 22:01:48.474 INFO [stderr]    Compiling gio v0.1.2
Dec 17 22:01:48.488 INFO [stderr]    Compiling gdk v0.5.2
Dec 17 22:01:48.488 INFO [stderr]    Compiling gtk v0.1.2
Dec 17 22:01:48.489 INFO [stderr]    Compiling gio-sys v0.3.3
Dec 17 22:01:48.489 INFO [stderr]    Compiling gdk-pixbuf-sys v0.3.3
Dec 17 22:01:48.489 INFO [stderr]    Compiling pango-sys v0.3.3
Dec 17 22:01:48.489 INFO [stderr]    Compiling gdk-sys v0.3.3
Dec 17 22:01:49.316 INFO [stderr]    Compiling gtk-sys v0.3.3
Dec 17 22:01:52.465 INFO [stderr]     Checking pango v0.1.2
Dec 17 22:02:16.967 INFO [stderr]     Checking hello_world v0.0.1 (/opt/crater/workdir)
Dec 17 22:02:17.139 INFO [stderr] warning: unused import: `std::env`
Dec 17 22:02:17.140 INFO [stderr]  --> src/main.rs:1:5
Dec 17 22:02:17.140 INFO [stderr]   |
Dec 17 22:02:17.140 INFO [stderr] 1 | use std::env; // cool as shizzle
Dec 17 22:02:17.140 INFO [stderr]   |     ^^^^^^^^
Dec 17 22:02:17.140 INFO [stderr]   |
Dec 17 22:02:17.140 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:02:17.140 INFO [stderr] 
Dec 17 22:02:17.140 INFO [stderr] warning: unused import: `std::env`
Dec 17 22:02:17.140 INFO [stderr]  --> src/main.rs:1:5
Dec 17 22:02:17.140 INFO [stderr]   |
Dec 17 22:02:17.140 INFO [stderr] 1 | use std::env; // cool as shizzle
Dec 17 22:02:17.140 INFO [stderr]   |     ^^^^^^^^
Dec 17 22:02:17.140 INFO [stderr]   |
Dec 17 22:02:17.140 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:02:17.140 INFO [stderr] 
Dec 17 22:02:17.163 INFO [stderr] warning: function is never used: `find`
Dec 17 22:02:17.163 INFO [stderr]  --> src/main.rs:3:1
Dec 17 22:02:17.163 INFO [stderr]   |
Dec 17 22:02:17.163 INFO [stderr] 3 | fn find(haystack: &str, needle: char) -> Option<usize> {
Dec 17 22:02:17.163 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:02:17.163 INFO [stderr]   |
Dec 17 22:02:17.163 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:02:17.163 INFO [stderr] 
Dec 17 22:02:17.163 INFO [stderr] warning: function is never used: `extension_explicit`
Dec 17 22:02:17.163 INFO [stderr]   --> src/main.rs:24:1
Dec 17 22:02:17.163 INFO [stderr]    |
Dec 17 22:02:17.163 INFO [stderr] 24 | fn extension_explicit(file_name: &str) -> Option<&str> { // Just an example, use std's extension for extensions
Dec 17 22:02:17.163 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:02:17.163 INFO [stderr] 
Dec 17 22:02:17.165 INFO [stderr] warning: function is never used: `find`
Dec 17 22:02:17.165 INFO [stderr]  --> src/main.rs:3:1
Dec 17 22:02:17.165 INFO [stderr]   |
Dec 17 22:02:17.165 INFO [stderr] 3 | fn find(haystack: &str, needle: char) -> Option<usize> {
Dec 17 22:02:17.165 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:02:17.165 INFO [stderr]   |
Dec 17 22:02:17.165 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:02:17.165 INFO [stderr] 
Dec 17 22:02:17.165 INFO [stderr] warning: function is never used: `extension_explicit`
Dec 17 22:02:17.165 INFO [stderr]   --> src/main.rs:24:1
Dec 17 22:02:17.165 INFO [stderr]    |
Dec 17 22:02:17.165 INFO [stderr] 24 | fn extension_explicit(file_name: &str) -> Option<&str> { // Just an example, use std's extension for extensions
Dec 17 22:02:17.165 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:02:17.165 INFO [stderr] 
Dec 17 22:02:17.187 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.82s
Dec 17 22:02:17.512 INFO running `"docker" "inspect" "ef18a51e2166017133415085705a87533977d47839f791123cbcdf2fe71bc6da"`
Dec 17 22:02:17.620 INFO running `"docker" "rm" "-f" "ef18a51e2166017133415085705a87533977d47839f791123cbcdf2fe71bc6da"`
Dec 17 22:02:17.697 INFO [stdout] ef18a51e2166017133415085705a87533977d47839f791123cbcdf2fe71bc6da