Dec 19 13:23:25.035 INFO checking luki/calc against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:23:25.035 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/luki/calc:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:23:25.295 INFO [stdout] c245a5a87d2d4244e00a2834f7b2c1ac9b8f88fc73ec2d3c2315f320a67c17fb
Dec 19 13:23:25.299 INFO running `"docker" "start" "-a" "c245a5a87d2d4244e00a2834f7b2c1ac9b8f88fc73ec2d3c2315f320a67c17fb"`
Dec 19 13:23:26.039 INFO [stderr]     Checking calc v0.1.0 (/opt/crater/workdir)
Dec 19 13:23:26.216 INFO [stderr] warning: unused variable: `calc`
Dec 19 13:23:26.216 INFO [stderr]  --> src/main.rs:7:9
Dec 19 13:23:26.216 INFO [stderr]   |
Dec 19 13:23:26.216 INFO [stderr] 7 |     let calc = Calc::new();
Dec 19 13:23:26.216 INFO [stderr]   |         ^^^^ help: consider using `_calc` instead
Dec 19 13:23:26.216 INFO [stderr]   |
Dec 19 13:23:26.216 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 13:23:26.216 INFO [stderr] 
Dec 19 13:23:26.216 INFO [stderr] warning: variant is never constructed: `Add`
Dec 19 13:23:26.216 INFO [stderr]   --> src/operations.rs:24:5
Dec 19 13:23:26.216 INFO [stderr]    |
Dec 19 13:23:26.216 INFO [stderr] 24 |     Add,
Dec 19 13:23:26.216 INFO [stderr]    |     ^^^
Dec 19 13:23:26.216 INFO [stderr]    |
Dec 19 13:23:26.216 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:23:26.216 INFO [stderr] 
Dec 19 13:23:26.216 INFO [stderr] warning: variant is never constructed: `Subtract`
Dec 19 13:23:26.216 INFO [stderr]   --> src/operations.rs:25:5
Dec 19 13:23:26.216 INFO [stderr]    |
Dec 19 13:23:26.216 INFO [stderr] 25 |     Subtract,
Dec 19 13:23:26.216 INFO [stderr]    |     ^^^^^^^^
Dec 19 13:23:26.216 INFO [stderr] 
Dec 19 13:23:26.216 INFO [stderr] warning: variant is never constructed: `Multiply`
Dec 19 13:23:26.216 INFO [stderr]   --> src/operations.rs:26:5
Dec 19 13:23:26.216 INFO [stderr]    |
Dec 19 13:23:26.216 INFO [stderr] 26 |     Multiply,
Dec 19 13:23:26.216 INFO [stderr]    |     ^^^^^^^^
Dec 19 13:23:26.216 INFO [stderr] 
Dec 19 13:23:26.216 INFO [stderr] warning: variant is never constructed: `Divide`
Dec 19 13:23:26.216 INFO [stderr]   --> src/operations.rs:27:5
Dec 19 13:23:26.216 INFO [stderr]    |
Dec 19 13:23:26.216 INFO [stderr] 27 |     Divide
Dec 19 13:23:26.216 INFO [stderr]    |     ^^^^^^
Dec 19 13:23:26.216 INFO [stderr] 
Dec 19 13:23:26.232 INFO [stderr] warning: unused variable: `calc`
Dec 19 13:23:26.232 INFO [stderr]  --> src/main.rs:7:9
Dec 19 13:23:26.232 INFO [stderr]   |
Dec 19 13:23:26.232 INFO [stderr] 7 |     let calc = Calc::new();
Dec 19 13:23:26.232 INFO [stderr]   |         ^^^^ help: consider using `_calc` instead
Dec 19 13:23:26.232 INFO [stderr]   |
Dec 19 13:23:26.232 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 13:23:26.232 INFO [stderr] 
Dec 19 13:23:26.232 INFO [stderr] warning: variant is never constructed: `Add`
Dec 19 13:23:26.236 INFO [stderr]   --> src/operations.rs:24:5
Dec 19 13:23:26.236 INFO [stderr]    |
Dec 19 13:23:26.236 INFO [stderr] 24 |     Add,
Dec 19 13:23:26.236 INFO [stderr]    |     ^^^
Dec 19 13:23:26.236 INFO [stderr]    |
Dec 19 13:23:26.236 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:23:26.236 INFO [stderr] 
Dec 19 13:23:26.236 INFO [stderr] warning: variant is never constructed: `Subtract`
Dec 19 13:23:26.236 INFO [stderr]   --> src/operations.rs:25:5
Dec 19 13:23:26.236 INFO [stderr]    |
Dec 19 13:23:26.236 INFO [stderr] 25 |     Subtract,
Dec 19 13:23:26.236 INFO [stderr]    |     ^^^^^^^^
Dec 19 13:23:26.236 INFO [stderr] 
Dec 19 13:23:26.236 INFO [stderr] warning: variant is never constructed: `Multiply`
Dec 19 13:23:26.236 INFO [stderr]   --> src/operations.rs:26:5
Dec 19 13:23:26.236 INFO [stderr]    |
Dec 19 13:23:26.236 INFO [stderr] 26 |     Multiply,
Dec 19 13:23:26.236 INFO [stderr]    |     ^^^^^^^^
Dec 19 13:23:26.236 INFO [stderr] 
Dec 19 13:23:26.236 INFO [stderr] warning: variant is never constructed: `Divide`
Dec 19 13:23:26.236 INFO [stderr]   --> src/operations.rs:27:5
Dec 19 13:23:26.236 INFO [stderr]    |
Dec 19 13:23:26.236 INFO [stderr] 27 |     Divide
Dec 19 13:23:26.236 INFO [stderr]    |     ^^^^^^
Dec 19 13:23:26.236 INFO [stderr] 
Dec 19 13:23:26.260 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
Dec 19 13:23:26.569 INFO running `"docker" "inspect" "c245a5a87d2d4244e00a2834f7b2c1ac9b8f88fc73ec2d3c2315f320a67c17fb"`
Dec 19 13:23:26.735 INFO running `"docker" "rm" "-f" "c245a5a87d2d4244e00a2834f7b2c1ac9b8f88fc73ec2d3c2315f320a67c17fb"`
Dec 19 13:23:26.909 INFO [stdout] c245a5a87d2d4244e00a2834f7b2c1ac9b8f88fc73ec2d3c2315f320a67c17fb