Nov 30 06:33:30.804 INFO checking azengard/hello-rust against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 06:33:30.805 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 06:33:31.235 INFO [stdout] d4817636a9caabae529fa34b3b854e794d067c2a7f11971e3bdb5f22b7eefcb7
Nov 30 06:33:31.238 INFO running `"docker" "start" "-a" "d4817636a9caabae529fa34b3b854e794d067c2a7f11971e3bdb5f22b7eefcb7"`
Nov 30 06:33:32.390 INFO [stderr] usermod: no changes
Nov 30 06:33:32.472 INFO [stderr]     Checking hello-rust v0.1.0 (/source)
Nov 30 06:33:33.277 INFO [stderr] warning: struct is never constructed: `Nil`
Nov 30 06:33:33.277 INFO [stderr]   --> src/main.rs:80:1
Nov 30 06:33:33.277 INFO [stderr]    |
Nov 30 06:33:33.277 INFO [stderr] 80 | struct Nil; // unit struct
Nov 30 06:33:33.277 INFO [stderr]    | ^^^^^^^^^^^
Nov 30 06:33:33.277 INFO [stderr]    |
Nov 30 06:33:33.277 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 06:33:33.277 INFO [stderr] 
Nov 30 06:33:33.277 INFO [stderr] warning: struct is never constructed: `Pair`
Nov 30 06:33:33.277 INFO [stderr]   --> src/main.rs:82:1
Nov 30 06:33:33.277 INFO [stderr]    |
Nov 30 06:33:33.277 INFO [stderr] 82 | struct Pair(i32, f32); //tuple struct
Nov 30 06:33:33.277 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:33:33.277 INFO [stderr] 
Nov 30 06:33:33.296 INFO [stderr] warning: struct is never constructed: `Nil`
Nov 30 06:33:33.296 INFO [stderr]   --> src/main.rs:80:1
Nov 30 06:33:33.296 INFO [stderr]    |
Nov 30 06:33:33.296 INFO [stderr] 80 | struct Nil; // unit struct
Nov 30 06:33:33.296 INFO [stderr]    | ^^^^^^^^^^^
Nov 30 06:33:33.296 INFO [stderr]    |
Nov 30 06:33:33.296 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 06:33:33.296 INFO [stderr] 
Nov 30 06:33:33.296 INFO [stderr] warning: struct is never constructed: `Pair`
Nov 30 06:33:33.296 INFO [stderr]   --> src/main.rs:82:1
Nov 30 06:33:33.296 INFO [stderr]    |
Nov 30 06:33:33.296 INFO [stderr] 82 | struct Pair(i32, f32); //tuple struct
Nov 30 06:33:33.296 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 06:33:33.296 INFO [stderr] 
Nov 30 06:33:33.344 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Nov 30 06:33:33.349 INFO [stderr] su: No module specific data is present
Nov 30 06:33:33.891 INFO running `"docker" "inspect" "d4817636a9caabae529fa34b3b854e794d067c2a7f11971e3bdb5f22b7eefcb7"`
Nov 30 06:33:34.142 INFO running `"docker" "rm" "-f" "d4817636a9caabae529fa34b3b854e794d067c2a7f11971e3bdb5f22b7eefcb7"`
Nov 30 06:33:34.391 INFO [stdout] d4817636a9caabae529fa34b3b854e794d067c2a7f11971e3bdb5f22b7eefcb7