Dec 06 06:01:49.741 INFO testing b-m-f/rust_playground against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 06:01:49.741 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 06 06:01:50.234 INFO [stdout] 535dc22f49aa707c8350f1702cddea1b67c4bd5c2194945f4686b3f7be436436
Dec 06 06:01:50.236 INFO running `"docker" "start" "-a" "535dc22f49aa707c8350f1702cddea1b67c4bd5c2194945f4686b3f7be436436"`
Dec 06 06:01:52.171 INFO [stderr] usermod: no changes
Dec 06 06:01:52.216 INFO [stderr]    Compiling fs_examples v0.1.0 (/source)
Dec 06 06:01:52.616 INFO [stderr] warning: function is never used: `factorial_recursive`
Dec 06 06:01:52.616 INFO [stderr]  --> src/math.rs:1:1
Dec 06 06:01:52.616 INFO [stderr]   |
Dec 06 06:01:52.616 INFO [stderr] 1 | pub fn factorial_recursive(n: i64) -> i64 {
Dec 06 06:01:52.616 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 06:01:52.616 INFO [stderr]   |
Dec 06 06:01:52.616 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 06:01:52.616 INFO [stderr] 
Dec 06 06:01:52.616 INFO [stderr] warning: function is never used: `factorial`
Dec 06 06:01:52.616 INFO [stderr]  --> src/math.rs:6:1
Dec 06 06:01:52.616 INFO [stderr]   |
Dec 06 06:01:52.616 INFO [stderr] 6 | pub fn factorial (n: i64) -> i64 {
Dec 06 06:01:52.616 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 06:01:52.616 INFO [stderr] 
Dec 06 06:01:53.240 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Dec 06 06:01:53.244 INFO [stderr] su: No module specific data is present
Dec 06 06:01:54.172 INFO running `"docker" "inspect" "535dc22f49aa707c8350f1702cddea1b67c4bd5c2194945f4686b3f7be436436"`
Dec 06 06:01:54.518 INFO running `"docker" "rm" "-f" "535dc22f49aa707c8350f1702cddea1b67c4bd5c2194945f4686b3f7be436436"`
Dec 06 06:01:54.836 INFO [stdout] 535dc22f49aa707c8350f1702cddea1b67c4bd5c2194945f4686b3f7be436436
Dec 06 06:01:54.842 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 06 06:01:55.268 INFO [stdout] 48c9d143fc52db98ca9f5556aefa485b18e984a39afc2a0844d0de9ced089c8c
Dec 06 06:01:55.276 INFO running `"docker" "start" "-a" "48c9d143fc52db98ca9f5556aefa485b18e984a39afc2a0844d0de9ced089c8c"`
Dec 06 06:01:56.908 INFO [stderr] usermod: no changes
Dec 06 06:01:56.972 INFO [stderr]    Compiling fs_examples v0.1.0 (/source)
Dec 06 06:01:57.504 INFO [stderr] warning: function is never used: `factorial_recursive`
Dec 06 06:01:57.504 INFO [stderr]  --> src/math.rs:1:1
Dec 06 06:01:57.504 INFO [stderr]   |
Dec 06 06:01:57.504 INFO [stderr] 1 | pub fn factorial_recursive(n: i64) -> i64 {
Dec 06 06:01:57.504 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 06:01:57.504 INFO [stderr]   |
Dec 06 06:01:57.504 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 06 06:01:57.504 INFO [stderr] 
Dec 06 06:01:57.504 INFO [stderr] warning: function is never used: `factorial`
Dec 06 06:01:57.504 INFO [stderr]  --> src/math.rs:6:1
Dec 06 06:01:57.504 INFO [stderr]   |
Dec 06 06:01:57.504 INFO [stderr] 6 | pub fn factorial (n: i64) -> i64 {
Dec 06 06:01:57.504 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 06:01:57.504 INFO [stderr] 
Dec 06 06:01:57.879 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 06 06:01:57.879 INFO [stderr] su: No module specific data is present
Dec 06 06:01:58.838 INFO running `"docker" "inspect" "48c9d143fc52db98ca9f5556aefa485b18e984a39afc2a0844d0de9ced089c8c"`
Dec 06 06:01:59.024 INFO running `"docker" "rm" "-f" "48c9d143fc52db98ca9f5556aefa485b18e984a39afc2a0844d0de9ced089c8c"`
Dec 06 06:01:59.364 INFO [stdout] 48c9d143fc52db98ca9f5556aefa485b18e984a39afc2a0844d0de9ced089c8c
Dec 06 06:01:59.366 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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 06 06:01:59.774 INFO [stdout] c2310c186402fcc639b1407d6a0745ab0d429cc3cddeb10c3050ac262d5e66fd
Dec 06 06:01:59.780 INFO running `"docker" "start" "-a" "c2310c186402fcc639b1407d6a0745ab0d429cc3cddeb10c3050ac262d5e66fd"`
Dec 06 06:02:00.932 INFO [stderr] usermod: no changes
Dec 06 06:02:01.060 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Dec 06 06:02:01.060 INFO [stderr]      Running /target/debug/deps/fs_examples-a2dc60a1e8e5b1a8
Dec 06 06:02:01.080 INFO [stdout] 
Dec 06 06:02:01.080 INFO [stdout] running 0 tests
Dec 06 06:02:01.080 INFO [stdout] 
Dec 06 06:02:01.080 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 06:02:01.080 INFO [stdout] 
Dec 06 06:02:01.080 INFO [stderr] su: No module specific data is present
Dec 06 06:02:02.271 INFO running `"docker" "inspect" "c2310c186402fcc639b1407d6a0745ab0d429cc3cddeb10c3050ac262d5e66fd"`
Dec 06 06:02:02.582 INFO running `"docker" "rm" "-f" "c2310c186402fcc639b1407d6a0745ab0d429cc3cddeb10c3050ac262d5e66fd"`
Dec 06 06:02:02.916 INFO [stdout] c2310c186402fcc639b1407d6a0745ab0d429cc3cddeb10c3050ac262d5e66fd