Nov 30 06:33:29.672 INFO checking azengard/hello-rust against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 06:33:29.672 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 06:33:30.163 INFO [stdout] ff93e637bd597d6852e95c886aed03f8a04b51391f0fd5fe00596145ae10ca56
Nov 30 06:33:30.166 INFO running `"docker" "start" "-a" "ff93e637bd597d6852e95c886aed03f8a04b51391f0fd5fe00596145ae10ca56"`
Nov 30 06:33:31.302 INFO [stderr] usermod: no changes
Nov 30 06:33:31.407 INFO [stderr]     Checking hello-rust v0.1.0 (/source)
Nov 30 06:33:31.976 INFO [stderr] warning: struct is never constructed: `Nil`
Nov 30 06:33:31.976 INFO [stderr]   --> src/main.rs:80:1
Nov 30 06:33:31.976 INFO [stderr]    |
Nov 30 06:33:31.976 INFO [stderr] 80 | struct Nil; // unit struct
Nov 30 06:33:31.976 INFO [stderr]    | ^^^^^^^^^^^
Nov 30 06:33:31.976 INFO [stderr]    |
Nov 30 06:33:31.976 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 06:33:31.976 INFO [stderr] 
Nov 30 06:33:31.976 INFO [stderr] warning: struct is never constructed: `Pair`
Nov 30 06:33:31.976 INFO [stderr]   --> src/main.rs:82:1
Nov 30 06:33:31.976 INFO [stderr]    |
Nov 30 06:33:31.976 INFO [stderr] 82 | struct Pair(i32, f32); //tuple struct
Nov 30 06:33:31.976 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:33:31.976 INFO [stderr] 
Nov 30 06:33:32.058 INFO [stderr] warning: struct is never constructed: `Nil`
Nov 30 06:33:32.059 INFO [stderr]   --> src/main.rs:80:1
Nov 30 06:33:32.059 INFO [stderr]    |
Nov 30 06:33:32.059 INFO [stderr] 80 | struct Nil; // unit struct
Nov 30 06:33:32.059 INFO [stderr]    | ^^^^^^^^^^^
Nov 30 06:33:32.059 INFO [stderr]    |
Nov 30 06:33:32.059 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 06:33:32.059 INFO [stderr] 
Nov 30 06:33:32.059 INFO [stderr] warning: struct is never constructed: `Pair`
Nov 30 06:33:32.059 INFO [stderr]   --> src/main.rs:82:1
Nov 30 06:33:32.059 INFO [stderr]    |
Nov 30 06:33:32.059 INFO [stderr] 82 | struct Pair(i32, f32); //tuple struct
Nov 30 06:33:32.060 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:33:32.060 INFO [stderr] 
Nov 30 06:33:32.092 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Nov 30 06:33:32.095 INFO [stderr] su: No module specific data is present
Nov 30 06:33:32.646 INFO running `"docker" "inspect" "ff93e637bd597d6852e95c886aed03f8a04b51391f0fd5fe00596145ae10ca56"`
Nov 30 06:33:32.986 INFO running `"docker" "rm" "-f" "ff93e637bd597d6852e95c886aed03f8a04b51391f0fd5fe00596145ae10ca56"`
Nov 30 06:33:33.227 INFO [stdout] ff93e637bd597d6852e95c886aed03f8a04b51391f0fd5fe00596145ae10ca56