Dec 18 03:34:58.642 INFO checking b-m-f/rust_playground against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:34:58.642 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/b-m-f/rust_playground:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:34:59.122 INFO [stdout] 4525d680883b215d1c2ec1b03f5322b730c590716c9839bc5de7c4550e8c2231
Dec 18 03:34:59.126 INFO running `"docker" "start" "-a" "4525d680883b215d1c2ec1b03f5322b730c590716c9839bc5de7c4550e8c2231"`
Dec 18 03:35:00.898 INFO [stderr]     Checking fs_examples v0.1.0 (/opt/crater/workdir)
Dec 18 03:35:01.320 INFO [stderr] warning: function is never used: `factorial_recursive`
Dec 18 03:35:01.320 INFO [stderr]  --> src/math.rs:1:1
Dec 18 03:35:01.320 INFO [stderr]   |
Dec 18 03:35:01.320 INFO [stderr] 1 | pub fn factorial_recursive(n: i64) -> i64 {
Dec 18 03:35:01.320 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:35:01.320 INFO [stderr]   |
Dec 18 03:35:01.320 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 03:35:01.320 INFO [stderr] 
Dec 18 03:35:01.320 INFO [stderr] warning: function is never used: `factorial`
Dec 18 03:35:01.320 INFO [stderr]  --> src/math.rs:6:1
Dec 18 03:35:01.320 INFO [stderr]   |
Dec 18 03:35:01.320 INFO [stderr] 6 | pub fn factorial (n: i64) -> i64 {
Dec 18 03:35:01.320 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:35:01.320 INFO [stderr] 
Dec 18 03:35:01.380 INFO [stderr] warning: function is never used: `factorial_recursive`
Dec 18 03:35:01.381 INFO [stderr]  --> src/math.rs:1:1
Dec 18 03:35:01.381 INFO [stderr]   |
Dec 18 03:35:01.381 INFO [stderr] 1 | pub fn factorial_recursive(n: i64) -> i64 {
Dec 18 03:35:01.381 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:35:01.381 INFO [stderr]   |
Dec 18 03:35:01.381 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 03:35:01.381 INFO [stderr] 
Dec 18 03:35:01.381 INFO [stderr] warning: function is never used: `factorial`
Dec 18 03:35:01.381 INFO [stderr]  --> src/math.rs:6:1
Dec 18 03:35:01.381 INFO [stderr]   |
Dec 18 03:35:01.381 INFO [stderr] 6 | pub fn factorial (n: i64) -> i64 {
Dec 18 03:35:01.381 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:35:01.381 INFO [stderr] 
Dec 18 03:35:01.421 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 18 03:35:02.532 INFO running `"docker" "inspect" "4525d680883b215d1c2ec1b03f5322b730c590716c9839bc5de7c4550e8c2231"`
Dec 18 03:35:02.846 INFO running `"docker" "rm" "-f" "4525d680883b215d1c2ec1b03f5322b730c590716c9839bc5de7c4550e8c2231"`
Dec 18 03:35:03.148 INFO [stdout] 4525d680883b215d1c2ec1b03f5322b730c590716c9839bc5de7c4550e8c2231