Dec 19 15:42:00.894 INFO checking intrepion/example-x-rust-x-rustbyexample-com-x-expression against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:42:00.947 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/intrepion/example-x-rust-x-rustbyexample-com-x-expression:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:42:01.287 INFO [stdout] 4293e2a36fba9d4ef7381391eb9c61277fcc8dbda2c32c8a865d3b780cee2dce
Dec 19 15:42:01.287 INFO running `"docker" "start" "-a" "4293e2a36fba9d4ef7381391eb9c61277fcc8dbda2c32c8a865d3b780cee2dce"`
Dec 19 15:42:01.791 INFO [stderr]     Checking example-x-rust-x-rustbyexample-com-x-expression v0.1.0 (/opt/crater/workdir)
Dec 19 15:42:01.934 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 19 15:42:01.934 INFO [stderr]   --> src/main.rs:14:9
Dec 19 15:42:01.934 INFO [stderr]    |
Dec 19 15:42:01.934 INFO [stderr] 14 |         2 * x;
Dec 19 15:42:01.934 INFO [stderr]    |         ^^^^^
Dec 19 15:42:01.934 INFO [stderr]    |
Dec 19 15:42:01.934 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:42:01.934 INFO [stderr] 
Dec 19 15:42:01.949 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 19 15:42:01.949 INFO [stderr]   --> src/main.rs:14:9
Dec 19 15:42:01.949 INFO [stderr]    |
Dec 19 15:42:01.949 INFO [stderr] 14 |         2 * x;
Dec 19 15:42:01.949 INFO [stderr]    |         ^^^^^
Dec 19 15:42:01.949 INFO [stderr]    |
Dec 19 15:42:01.949 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:42:01.949 INFO [stderr] 
Dec 19 15:42:01.966 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
Dec 19 15:42:02.229 INFO running `"docker" "inspect" "4293e2a36fba9d4ef7381391eb9c61277fcc8dbda2c32c8a865d3b780cee2dce"`
Dec 19 15:42:02.342 INFO running `"docker" "rm" "-f" "4293e2a36fba9d4ef7381391eb9c61277fcc8dbda2c32c8a865d3b780cee2dce"`
Dec 19 15:42:02.436 INFO [stdout] 4293e2a36fba9d4ef7381391eb9c61277fcc8dbda2c32c8a865d3b780cee2dce