Dec 04 22:06:42.628 INFO checking b-m-f/rust_playground against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 22:06:42.628 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 22:06:43.192 INFO [stdout] 163b0cac9182737f3f306758ab4c4ac3eb30b9df8e0756921d857738e9de9d22
Dec 04 22:06:43.195 INFO running `"docker" "start" "-a" "163b0cac9182737f3f306758ab4c4ac3eb30b9df8e0756921d857738e9de9d22"`
Dec 04 22:06:44.827 INFO [stderr] usermod: no changes
Dec 04 22:06:44.927 INFO [stderr]     Checking fs_examples v0.1.0 (/source)
Dec 04 22:06:45.723 INFO [stderr] warning: function is never used: `factorial_recursive`
Dec 04 22:06:45.723 INFO [stderr]  --> src/math.rs:1:1
Dec 04 22:06:45.723 INFO [stderr]   |
Dec 04 22:06:45.723 INFO [stderr] 1 | pub fn factorial_recursive(n: i64) -> i64 {
Dec 04 22:06:45.723 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:06:45.723 INFO [stderr]   |
Dec 04 22:06:45.723 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 22:06:45.723 INFO [stderr] 
Dec 04 22:06:45.723 INFO [stderr] warning: function is never used: `factorial`
Dec 04 22:06:45.723 INFO [stderr]  --> src/math.rs:6:1
Dec 04 22:06:45.723 INFO [stderr]   |
Dec 04 22:06:45.723 INFO [stderr] 6 | pub fn factorial (n: i64) -> i64 {
Dec 04 22:06:45.723 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:06:45.723 INFO [stderr] 
Dec 04 22:06:45.943 INFO [stderr] warning: function is never used: `factorial_recursive`
Dec 04 22:06:45.943 INFO [stderr]  --> src/math.rs:1:1
Dec 04 22:06:45.943 INFO [stderr]   |
Dec 04 22:06:45.943 INFO [stderr] 1 | pub fn factorial_recursive(n: i64) -> i64 {
Dec 04 22:06:45.943 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:06:45.943 INFO [stderr]   |
Dec 04 22:06:45.943 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 22:06:45.943 INFO [stderr] 
Dec 04 22:06:45.943 INFO [stderr] warning: function is never used: `factorial`
Dec 04 22:06:45.943 INFO [stderr]  --> src/math.rs:6:1
Dec 04 22:06:45.943 INFO [stderr]   |
Dec 04 22:06:45.943 INFO [stderr] 6 | pub fn factorial (n: i64) -> i64 {
Dec 04 22:06:45.943 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 22:06:45.943 INFO [stderr] 
Dec 04 22:06:45.971 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 04 22:06:45.971 INFO [stderr] su: No module specific data is present
Dec 04 22:06:46.999 INFO running `"docker" "inspect" "163b0cac9182737f3f306758ab4c4ac3eb30b9df8e0756921d857738e9de9d22"`
Dec 04 22:06:47.339 INFO running `"docker" "rm" "-f" "163b0cac9182737f3f306758ab4c4ac3eb30b9df8e0756921d857738e9de9d22"`
Dec 04 22:06:47.661 INFO [stdout] 163b0cac9182737f3f306758ab4c4ac3eb30b9df8e0756921d857738e9de9d22