Dec 11 22:08:21.513 INFO checking azengard/hello-rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 22:08:21.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 22:08:21.984 INFO [stdout] b5ba30fb0af40e26f93aa67584a065a1c260998c56ab2bb8ceb9c1c924320ae8
Dec 11 22:08:21.986 INFO running `"docker" "start" "-a" "b5ba30fb0af40e26f93aa67584a065a1c260998c56ab2bb8ceb9c1c924320ae8"`
Dec 11 22:08:23.671 INFO [stderr] usermod: no changes
Dec 11 22:08:23.752 INFO [stderr]     Checking hello-rust v0.1.0 (/source)
Dec 11 22:08:24.345 INFO [stderr] warning: struct is never constructed: `Nil`
Dec 11 22:08:24.345 INFO [stderr]   --> src/main.rs:80:1
Dec 11 22:08:24.345 INFO [stderr]    |
Dec 11 22:08:24.345 INFO [stderr] 80 | struct Nil; // unit struct
Dec 11 22:08:24.345 INFO [stderr]    | ^^^^^^^^^^^
Dec 11 22:08:24.345 INFO [stderr]    |
Dec 11 22:08:24.345 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 22:08:24.345 INFO [stderr] 
Dec 11 22:08:24.345 INFO [stderr] warning: struct is never constructed: `Pair`
Dec 11 22:08:24.345 INFO [stderr]   --> src/main.rs:82:1
Dec 11 22:08:24.345 INFO [stderr]    |
Dec 11 22:08:24.345 INFO [stderr] 82 | struct Pair(i32, f32); //tuple struct
Dec 11 22:08:24.345 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:08:24.345 INFO [stderr] 
Dec 11 22:08:24.445 INFO [stderr] warning: struct is never constructed: `Nil`
Dec 11 22:08:24.445 INFO [stderr]   --> src/main.rs:80:1
Dec 11 22:08:24.445 INFO [stderr]    |
Dec 11 22:08:24.445 INFO [stderr] 80 | struct Nil; // unit struct
Dec 11 22:08:24.445 INFO [stderr]    | ^^^^^^^^^^^
Dec 11 22:08:24.445 INFO [stderr]    |
Dec 11 22:08:24.445 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 22:08:24.445 INFO [stderr] 
Dec 11 22:08:24.448 INFO [stderr] warning: struct is never constructed: `Pair`
Dec 11 22:08:24.448 INFO [stderr]   --> src/main.rs:82:1
Dec 11 22:08:24.448 INFO [stderr]    |
Dec 11 22:08:24.448 INFO [stderr] 82 | struct Pair(i32, f32); //tuple struct
Dec 11 22:08:24.448 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Dec 11 22:08:24.448 INFO [stderr] 
Dec 11 22:08:24.476 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Dec 11 22:08:24.476 INFO [stderr] su: No module specific data is present
Dec 11 22:08:24.934 INFO running `"docker" "inspect" "b5ba30fb0af40e26f93aa67584a065a1c260998c56ab2bb8ceb9c1c924320ae8"`
Dec 11 22:08:25.086 INFO running `"docker" "rm" "-f" "b5ba30fb0af40e26f93aa67584a065a1c260998c56ab2bb8ceb9c1c924320ae8"`
Dec 11 22:08:25.229 INFO [stdout] b5ba30fb0af40e26f93aa67584a065a1c260998c56ab2bb8ceb9c1c924320ae8