Dec 11 06:45:30.938 INFO checking vijaysharmay/rust-session-part-1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 06:45:30.938 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 06:45:31.320 INFO [stdout] 8041cc63d517542a5bd4132a353c329fd969d21494ca601ea39450d49d2e268f
Dec 11 06:45:31.328 INFO running `"docker" "start" "-a" "8041cc63d517542a5bd4132a353c329fd969d21494ca601ea39450d49d2e268f"`
Dec 11 06:45:32.252 INFO [stderr] usermod: no changes
Dec 11 06:45:32.306 INFO [stderr]     Checking rust-techtonic-session v0.1.0 (/source)
Dec 11 06:45:32.752 INFO [stderr] warning: value assigned to `a1` is never read
Dec 11 06:45:32.752 INFO [stderr]   --> src/lesson_1.rs:16:13
Dec 11 06:45:32.752 INFO [stderr]    |
Dec 11 06:45:32.752 INFO [stderr] 16 |     let mut a1: i32 = 1;
Dec 11 06:45:32.752 INFO [stderr]    |             ^^
Dec 11 06:45:32.752 INFO [stderr]    |
Dec 11 06:45:32.752 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 06:45:32.752 INFO [stderr] 
Dec 11 06:45:32.760 INFO [stderr] warning: value assigned to `a1` is never read
Dec 11 06:45:32.760 INFO [stderr]   --> src/lesson_1.rs:16:13
Dec 11 06:45:32.760 INFO [stderr]    |
Dec 11 06:45:32.760 INFO [stderr] 16 |     let mut a1: i32 = 1;
Dec 11 06:45:32.760 INFO [stderr]    |             ^^
Dec 11 06:45:32.760 INFO [stderr]    |
Dec 11 06:45:32.760 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 11 06:45:32.760 INFO [stderr] 
Dec 11 06:45:32.924 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 11 06:45:32.928 INFO [stderr] su: No module specific data is present
Dec 11 06:45:33.366 INFO running `"docker" "inspect" "8041cc63d517542a5bd4132a353c329fd969d21494ca601ea39450d49d2e268f"`
Dec 11 06:45:33.652 INFO running `"docker" "rm" "-f" "8041cc63d517542a5bd4132a353c329fd969d21494ca601ea39450d49d2e268f"`
Dec 11 06:45:33.928 INFO [stdout] 8041cc63d517542a5bd4132a353c329fd969d21494ca601ea39450d49d2e268f