Nov 30 06:31:35.212 INFO checking b-m-f/rust_playground against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 06:31:35.212 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 30 06:31:35.697 INFO [stdout] 51c322287cde7095ad98d20bef1534534014672e8e4641b6d01ef7c169c38e23
Nov 30 06:31:35.699 INFO running `"docker" "start" "-a" "51c322287cde7095ad98d20bef1534534014672e8e4641b6d01ef7c169c38e23"`
Nov 30 06:31:37.142 INFO [stderr] usermod: no changes
Nov 30 06:31:37.220 INFO [stderr]     Checking fs_examples v0.1.0 (/source)
Nov 30 06:31:38.024 INFO [stderr] warning: function is never used: `factorial_recursive`
Nov 30 06:31:38.025 INFO [stderr]  --> src/math.rs:1:1
Nov 30 06:31:38.025 INFO [stderr]   |
Nov 30 06:31:38.025 INFO [stderr] 1 | pub fn factorial_recursive(n: i64) -> i64 {
Nov 30 06:31:38.026 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:31:38.026 INFO [stderr]   |
Nov 30 06:31:38.026 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 06:31:38.027 INFO [stderr] 
Nov 30 06:31:38.027 INFO [stderr] warning: function is never used: `factorial`
Nov 30 06:31:38.027 INFO [stderr]  --> src/math.rs:6:1
Nov 30 06:31:38.027 INFO [stderr]   |
Nov 30 06:31:38.028 INFO [stderr] 6 | pub fn factorial (n: i64) -> i64 {
Nov 30 06:31:38.028 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:31:38.028 INFO [stderr] 
Nov 30 06:31:38.336 INFO [stderr] warning: function is never used: `factorial_recursive`
Nov 30 06:31:38.336 INFO [stderr]  --> src/math.rs:1:1
Nov 30 06:31:38.336 INFO [stderr]   |
Nov 30 06:31:38.336 INFO [stderr] 1 | pub fn factorial_recursive(n: i64) -> i64 {
Nov 30 06:31:38.336 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:31:38.336 INFO [stderr]   |
Nov 30 06:31:38.336 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 06:31:38.336 INFO [stderr] 
Nov 30 06:31:38.336 INFO [stderr] warning: function is never used: `factorial`
Nov 30 06:31:38.336 INFO [stderr]  --> src/math.rs:6:1
Nov 30 06:31:38.344 INFO [stderr]   |
Nov 30 06:31:38.344 INFO [stderr] 6 | pub fn factorial (n: i64) -> i64 {
Nov 30 06:31:38.344 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:31:38.344 INFO [stderr] 
Nov 30 06:31:38.376 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Nov 30 06:31:38.380 INFO [stderr] su: No module specific data is present
Nov 30 06:31:39.308 INFO running `"docker" "inspect" "51c322287cde7095ad98d20bef1534534014672e8e4641b6d01ef7c169c38e23"`
Nov 30 06:31:39.705 INFO running `"docker" "rm" "-f" "51c322287cde7095ad98d20bef1534534014672e8e4641b6d01ef7c169c38e23"`
Nov 30 06:31:40.018 INFO [stdout] 51c322287cde7095ad98d20bef1534534014672e8e4641b6d01ef7c169c38e23