Nov 30 06:31:34.095 INFO checking b-m-f/rust_playground against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 06:31:34.095 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 06:31:34.652 INFO [stdout] e5f547a7ac61a16c8a6d423441b121914980ff5563d575f17b3ab0e5b1aeffe2
Nov 30 06:31:34.654 INFO running `"docker" "start" "-a" "e5f547a7ac61a16c8a6d423441b121914980ff5563d575f17b3ab0e5b1aeffe2"`
Nov 30 06:31:35.992 INFO [stderr] usermod: no changes
Nov 30 06:31:36.052 INFO [stderr]     Checking fs_examples v0.1.0 (/source)
Nov 30 06:31:36.939 INFO [stderr] warning: function is never used: `factorial_recursive`
Nov 30 06:31:36.939 INFO [stderr]  --> src/math.rs:1:1
Nov 30 06:31:36.939 INFO [stderr]   |
Nov 30 06:31:36.939 INFO [stderr] 1 | pub fn factorial_recursive(n: i64) -> i64 {
Nov 30 06:31:36.939 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:31:36.939 INFO [stderr]   |
Nov 30 06:31:36.939 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 06:31:36.939 INFO [stderr] 
Nov 30 06:31:36.939 INFO [stderr] warning: function is never used: `factorial`
Nov 30 06:31:36.939 INFO [stderr]  --> src/math.rs:6:1
Nov 30 06:31:36.939 INFO [stderr]   |
Nov 30 06:31:36.939 INFO [stderr] 6 | pub fn factorial (n: i64) -> i64 {
Nov 30 06:31:36.939 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:31:36.940 INFO [stderr] 
Nov 30 06:31:37.023 INFO [stderr] warning: function is never used: `factorial_recursive`
Nov 30 06:31:37.023 INFO [stderr]  --> src/math.rs:1:1
Nov 30 06:31:37.023 INFO [stderr]   |
Nov 30 06:31:37.024 INFO [stderr] 1 | pub fn factorial_recursive(n: i64) -> i64 {
Nov 30 06:31:37.024 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:31:37.024 INFO [stderr]   |
Nov 30 06:31:37.024 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 06:31:37.024 INFO [stderr] 
Nov 30 06:31:37.024 INFO [stderr] warning: function is never used: `factorial`
Nov 30 06:31:37.025 INFO [stderr]  --> src/math.rs:6:1
Nov 30 06:31:37.025 INFO [stderr]   |
Nov 30 06:31:37.025 INFO [stderr] 6 | pub fn factorial (n: i64) -> i64 {
Nov 30 06:31:37.025 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:31:37.025 INFO [stderr] 
Nov 30 06:31:37.060 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Nov 30 06:31:37.060 INFO [stderr] su: No module specific data is present
Nov 30 06:31:38.097 INFO running `"docker" "inspect" "e5f547a7ac61a16c8a6d423441b121914980ff5563d575f17b3ab0e5b1aeffe2"`
Nov 30 06:31:38.460 INFO running `"docker" "rm" "-f" "e5f547a7ac61a16c8a6d423441b121914980ff5563d575f17b3ab0e5b1aeffe2"`
Nov 30 06:31:38.812 INFO [stdout] e5f547a7ac61a16c8a6d423441b121914980ff5563d575f17b3ab0e5b1aeffe2