Dec 19 12:03:51.937 INFO checking nanoxd/hello.rs against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:03:51.937 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/nanoxd/hello.rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:03:52.452 INFO [stdout] 9bf0cb23556fc11f0aba9e419817eb3aaa76c59cd3960fa6670b59eea587c76e
Dec 19 12:03:52.454 INFO running `"docker" "start" "-a" "9bf0cb23556fc11f0aba9e419817eb3aaa76c59cd3960fa6670b59eea587c76e"`
Dec 19 12:03:54.489 INFO [stderr]     Checking hello_rs v0.0.1 (/opt/crater/workdir)
Dec 19 12:03:54.988 INFO [stderr] warning: unused variable: `v2`
Dec 19 12:03:54.988 INFO [stderr]   --> src/main.rs:99:9
Dec 19 12:03:54.988 INFO [stderr]    |
Dec 19 12:03:54.988 INFO [stderr] 99 |     let v2 = v; // Accessing v will now cause an error
Dec 19 12:03:54.988 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 19 12:03:54.988 INFO [stderr]    |
Dec 19 12:03:54.988 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:03:54.988 INFO [stderr] 
Dec 19 12:03:54.996 INFO [stderr] warning: unused variable: `v2`
Dec 19 12:03:54.996 INFO [stderr]   --> src/main.rs:99:9
Dec 19 12:03:54.996 INFO [stderr]    |
Dec 19 12:03:54.996 INFO [stderr] 99 |     let v2 = v; // Accessing v will now cause an error
Dec 19 12:03:54.996 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 19 12:03:54.996 INFO [stderr]    |
Dec 19 12:03:54.996 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 12:03:54.996 INFO [stderr] 
Dec 19 12:03:55.020 INFO [stderr] warning: struct is never constructed: `Wolf`
Dec 19 12:03:55.020 INFO [stderr]   --> src/trait_objects.rs:11:1
Dec 19 12:03:55.020 INFO [stderr]    |
Dec 19 12:03:55.020 INFO [stderr] 11 | pub struct Wolf {
Dec 19 12:03:55.020 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 19 12:03:55.020 INFO [stderr]    |
Dec 19 12:03:55.020 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:03:55.020 INFO [stderr] 
Dec 19 12:03:55.020 INFO [stderr] warning: field is never used: `x`
Dec 19 12:03:55.020 INFO [stderr]    --> src/main.rs:183:5
Dec 19 12:03:55.020 INFO [stderr]     |
Dec 19 12:03:55.020 INFO [stderr] 183 |     x: T,
Dec 19 12:03:55.020 INFO [stderr]     |     ^^^^
Dec 19 12:03:55.020 INFO [stderr] 
Dec 19 12:03:55.020 INFO [stderr] warning: field is never used: `y`
Dec 19 12:03:55.020 INFO [stderr]    --> src/main.rs:184:5
Dec 19 12:03:55.020 INFO [stderr]     |
Dec 19 12:03:55.020 INFO [stderr] 184 |     y: T,
Dec 19 12:03:55.020 INFO [stderr]     |     ^^^^
Dec 19 12:03:55.020 INFO [stderr] 
Dec 19 12:03:55.028 INFO [stderr] warning: struct is never constructed: `Wolf`
Dec 19 12:03:55.028 INFO [stderr]   --> src/trait_objects.rs:11:1
Dec 19 12:03:55.028 INFO [stderr]    |
Dec 19 12:03:55.028 INFO [stderr] 11 | pub struct Wolf {
Dec 19 12:03:55.028 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 19 12:03:55.028 INFO [stderr]    |
Dec 19 12:03:55.028 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:03:55.028 INFO [stderr] 
Dec 19 12:03:55.028 INFO [stderr] warning: field is never used: `x`
Dec 19 12:03:55.028 INFO [stderr]    --> src/main.rs:183:5
Dec 19 12:03:55.028 INFO [stderr]     |
Dec 19 12:03:55.028 INFO [stderr] 183 |     x: T,
Dec 19 12:03:55.028 INFO [stderr]     |     ^^^^
Dec 19 12:03:55.028 INFO [stderr] 
Dec 19 12:03:55.028 INFO [stderr] warning: field is never used: `y`
Dec 19 12:03:55.028 INFO [stderr]    --> src/main.rs:184:5
Dec 19 12:03:55.028 INFO [stderr]     |
Dec 19 12:03:55.028 INFO [stderr] 184 |     y: T,
Dec 19 12:03:55.028 INFO [stderr]     |     ^^^^
Dec 19 12:03:55.028 INFO [stderr] 
Dec 19 12:03:55.068 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 19 12:03:55.656 INFO running `"docker" "inspect" "9bf0cb23556fc11f0aba9e419817eb3aaa76c59cd3960fa6670b59eea587c76e"`
Dec 19 12:03:55.886 INFO running `"docker" "rm" "-f" "9bf0cb23556fc11f0aba9e419817eb3aaa76c59cd3960fa6670b59eea587c76e"`
Dec 19 12:03:56.064 INFO [stdout] 9bf0cb23556fc11f0aba9e419817eb3aaa76c59cd3960fa6670b59eea587c76e