Dec 11 22:06:33.180 INFO checking b-m-f/rust_playground against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 22:06:33.180 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 22:06:33.777 INFO [stdout] 3b01bca02948492790cfe78be78a2a6192d873f2871cfacf75aae35661ea282e
Dec 11 22:06:33.779 INFO running `"docker" "start" "-a" "3b01bca02948492790cfe78be78a2a6192d873f2871cfacf75aae35661ea282e"`
Dec 11 22:06:35.456 INFO [stderr] usermod: no changes
Dec 11 22:06:35.593 INFO [stderr]     Checking fs_examples v0.1.0 (/source)
Dec 11 22:06:36.620 INFO [stderr] warning: function is never used: `factorial_recursive`
Dec 11 22:06:36.620 INFO [stderr]  --> src/math.rs:1:1
Dec 11 22:06:36.620 INFO [stderr]   |
Dec 11 22:06:36.620 INFO [stderr] 1 | pub fn factorial_recursive(n: i64) -> i64 {
Dec 11 22:06:36.620 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:06:36.620 INFO [stderr]   |
Dec 11 22:06:36.620 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 22:06:36.620 INFO [stderr] 
Dec 11 22:06:36.620 INFO [stderr] warning: function is never used: `factorial`
Dec 11 22:06:36.620 INFO [stderr]  --> src/math.rs:6:1
Dec 11 22:06:36.620 INFO [stderr]   |
Dec 11 22:06:36.620 INFO [stderr] 6 | pub fn factorial (n: i64) -> i64 {
Dec 11 22:06:36.620 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:06:36.620 INFO [stderr] 
Dec 11 22:06:36.726 INFO [stderr] warning: function is never used: `factorial_recursive`
Dec 11 22:06:36.726 INFO [stderr]  --> src/math.rs:1:1
Dec 11 22:06:36.726 INFO [stderr]   |
Dec 11 22:06:36.726 INFO [stderr] 1 | pub fn factorial_recursive(n: i64) -> i64 {
Dec 11 22:06:36.726 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:06:36.726 INFO [stderr]   |
Dec 11 22:06:36.726 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 22:06:36.726 INFO [stderr] 
Dec 11 22:06:36.726 INFO [stderr] warning: function is never used: `factorial`
Dec 11 22:06:36.726 INFO [stderr]  --> src/math.rs:6:1
Dec 11 22:06:36.726 INFO [stderr]   |
Dec 11 22:06:36.726 INFO [stderr] 6 | pub fn factorial (n: i64) -> i64 {
Dec 11 22:06:36.726 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:06:36.726 INFO [stderr] 
Dec 11 22:06:36.753 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Dec 11 22:06:36.759 INFO [stderr] su: No module specific data is present
Dec 11 22:06:37.668 INFO running `"docker" "inspect" "3b01bca02948492790cfe78be78a2a6192d873f2871cfacf75aae35661ea282e"`
Dec 11 22:06:37.944 INFO running `"docker" "rm" "-f" "3b01bca02948492790cfe78be78a2a6192d873f2871cfacf75aae35661ea282e"`
Dec 11 22:06:38.324 INFO [stdout] 3b01bca02948492790cfe78be78a2a6192d873f2871cfacf75aae35661ea282e