Nov 28 18:13:52.395 INFO checking series-0.1.0 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 18:13:52.396 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 18:13:52.810 INFO [stdout] 16f6acda0891759c0ce51e8aceae2964ab50d0199d436286ca1e3402804cb632
Nov 28 18:13:52.812 INFO running `"docker" "start" "-a" "16f6acda0891759c0ce51e8aceae2964ab50d0199d436286ca1e3402804cb632"`
Nov 28 18:13:54.324 INFO [stderr] usermod: no changes
Nov 28 18:13:54.408 INFO [stderr]     Checking series v0.1.0 (/source)
Nov 28 18:13:56.204 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 18:13:56.205 INFO [stderr]     --> src/lib.rs:1159:9
Nov 28 18:13:56.205 INFO [stderr]      |
Nov 28 18:13:56.205 INFO [stderr] 1159 |         s + t;
Nov 28 18:13:56.206 INFO [stderr]      |         ^^^^^
Nov 28 18:13:56.206 INFO [stderr]      |
Nov 28 18:13:56.206 INFO [stderr]      = note: #[warn(unused_must_use)] on by default
Nov 28 18:13:56.206 INFO [stderr] 
Nov 28 18:13:56.207 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 18:13:56.207 INFO [stderr]     --> src/lib.rs:1167:9
Nov 28 18:13:56.207 INFO [stderr]      |
Nov 28 18:13:56.207 INFO [stderr] 1167 |         s - t;
Nov 28 18:13:56.208 INFO [stderr]      |         ^^^^^
Nov 28 18:13:56.208 INFO [stderr] 
Nov 28 18:13:56.208 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 18:13:56.208 INFO [stderr]     --> src/lib.rs:1175:9
Nov 28 18:13:56.209 INFO [stderr]      |
Nov 28 18:13:56.209 INFO [stderr] 1175 |         s * t;
Nov 28 18:13:56.209 INFO [stderr]      |         ^^^^^
Nov 28 18:13:56.209 INFO [stderr] 
Nov 28 18:13:56.210 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 28 18:13:56.210 INFO [stderr]     --> src/lib.rs:1183:9
Nov 28 18:13:56.210 INFO [stderr]      |
Nov 28 18:13:56.210 INFO [stderr] 1183 |         s / t;
Nov 28 18:13:56.211 INFO [stderr]      |         ^^^^^
Nov 28 18:13:56.211 INFO [stderr] 
Nov 28 18:13:56.220 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
Nov 28 18:13:56.223 INFO [stderr] su: No module specific data is present
Nov 28 18:13:57.086 INFO running `"docker" "inspect" "16f6acda0891759c0ce51e8aceae2964ab50d0199d436286ca1e3402804cb632"`
Nov 28 18:13:57.403 INFO running `"docker" "rm" "-f" "16f6acda0891759c0ce51e8aceae2964ab50d0199d436286ca1e3402804cb632"`
Nov 28 18:13:57.728 INFO [stdout] 16f6acda0891759c0ce51e8aceae2964ab50d0199d436286ca1e3402804cb632