Dec 17 22:34:36.133 INFO checking jamii/rust-tagless against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:34:36.134 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/jamii/rust-tagless:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:34:36.540 INFO [stdout] d3e6602abcd2d95e7bd47618a0b801ce3e37913cc261fcfb6aa451cb885fe217
Dec 17 22:34:36.540 INFO running `"docker" "start" "-a" "d3e6602abcd2d95e7bd47618a0b801ce3e37913cc261fcfb6aa451cb885fe217"`
Dec 17 22:34:37.752 INFO [stderr]     Checking tagless v0.1.0 (/opt/crater/workdir)
Dec 17 22:34:38.097 INFO [stderr] warning: variant is never constructed: `Bool`
Dec 17 22:34:38.097 INFO [stderr]   --> src/main.rs:12:5
Dec 17 22:34:38.097 INFO [stderr]    |
Dec 17 22:34:38.097 INFO [stderr] 12 |     Bool,
Dec 17 22:34:38.097 INFO [stderr]    |     ^^^^
Dec 17 22:34:38.097 INFO [stderr]    |
Dec 17 22:34:38.097 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 22:34:38.097 INFO [stderr] 
Dec 17 22:34:38.097 INFO [stderr] warning: struct is never constructed: `Staged2`
Dec 17 22:34:38.097 INFO [stderr]    --> src/main.rs:253:1
Dec 17 22:34:38.097 INFO [stderr]     |
Dec 17 22:34:38.097 INFO [stderr] 253 | struct Staged2 {
Dec 17 22:34:38.097 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 17 22:34:38.097 INFO [stderr] 
Dec 17 22:34:38.097 INFO [stderr] warning: method is never used: `new`
Dec 17 22:34:38.097 INFO [stderr]    --> src/main.rs:258:5
Dec 17 22:34:38.097 INFO [stderr]     |
Dec 17 22:34:38.097 INFO [stderr] 258 | /     fn new<T, F>(staged: F) -> Self
Dec 17 22:34:38.097 INFO [stderr] 259 | |     where
Dec 17 22:34:38.097 INFO [stderr] 260 | |         F: Fn() -> T + 'static,
Dec 17 22:34:38.097 INFO [stderr] 261 | |         T: 'static,
Dec 17 22:34:38.097 INFO [stderr] ...   |
Dec 17 22:34:38.097 INFO [stderr] 265 | |         Staged2 { value: box2 }
Dec 17 22:34:38.097 INFO [stderr] 266 | |     }
Dec 17 22:34:38.097 INFO [stderr]     | |_____^
Dec 17 22:34:38.097 INFO [stderr] 
Dec 17 22:34:38.097 INFO [stderr] warning: method is never used: `unwrap`
Dec 17 22:34:38.097 INFO [stderr]    --> src/main.rs:268:5
Dec 17 22:34:38.097 INFO [stderr]     |
Dec 17 22:34:38.097 INFO [stderr] 268 | /     fn unwrap<T>(self) -> Box<Fn() -> T + 'static>
Dec 17 22:34:38.097 INFO [stderr] 269 | |     where
Dec 17 22:34:38.097 INFO [stderr] 270 | |         T: 'static,
Dec 17 22:34:38.097 INFO [stderr] 271 | |     {
Dec 17 22:34:38.097 INFO [stderr] ...   |
Dec 17 22:34:38.097 INFO [stderr] 274 | |         }
Dec 17 22:34:38.097 INFO [stderr] 275 | |     }
Dec 17 22:34:38.097 INFO [stderr]     | |_____^
Dec 17 22:34:38.097 INFO [stderr] 
Dec 17 22:34:38.097 INFO [stderr] warning: struct is never constructed: `Constant`
Dec 17 22:34:38.097 INFO [stderr]    --> src/main.rs:283:1
Dec 17 22:34:38.097 INFO [stderr]     |
Dec 17 22:34:38.097 INFO [stderr] 283 | struct Constant<T> {
Dec 17 22:34:38.097 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 17 22:34:38.097 INFO [stderr] 
Dec 17 22:34:38.097 INFO [stderr] warning: struct is never constructed: `Add`
Dec 17 22:34:38.097 INFO [stderr]    --> src/main.rs:297:1
Dec 17 22:34:38.097 INFO [stderr]     |
Dec 17 22:34:38.097 INFO [stderr] 297 | struct Add {
Dec 17 22:34:38.097 INFO [stderr]     | ^^^^^^^^^^
Dec 17 22:34:38.097 INFO [stderr] 
Dec 17 22:34:38.097 INFO [stderr] warning: struct is never constructed: `LessThan`
Dec 17 22:34:38.097 INFO [stderr]    --> src/main.rs:309:1
Dec 17 22:34:38.097 INFO [stderr]     |
Dec 17 22:34:38.097 INFO [stderr] 309 | struct LessThan {
Dec 17 22:34:38.097 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 17 22:34:38.097 INFO [stderr] 
Dec 17 22:34:38.097 INFO [stderr] warning: struct is never constructed: `Let`
Dec 17 22:34:38.097 INFO [stderr]    --> src/main.rs:321:1
Dec 17 22:34:38.097 INFO [stderr]     |
Dec 17 22:34:38.097 INFO [stderr] 321 | struct Let<T1, T2> {
Dec 17 22:34:38.097 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 17 22:34:38.097 INFO [stderr] 
Dec 17 22:34:38.097 INFO [stderr] warning: struct is never constructed: `Get`
Dec 17 22:34:38.097 INFO [stderr]    --> src/main.rs:338:1
Dec 17 22:34:38.097 INFO [stderr]     |
Dec 17 22:34:38.097 INFO [stderr] 338 | struct Get<T> {
Dec 17 22:34:38.097 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 17 22:34:38.097 INFO [stderr] 
Dec 17 22:34:38.097 INFO [stderr] warning: struct is never constructed: `Set`
Dec 17 22:34:38.097 INFO [stderr]    --> src/main.rs:352:1
Dec 17 22:34:38.097 INFO [stderr]     |
Dec 17 22:34:38.097 INFO [stderr] 352 | struct Set<T> {
Dec 17 22:34:38.097 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 17 22:34:38.097 INFO [stderr] 
Dec 17 22:34:38.097 INFO [stderr] warning: struct is never constructed: `While`
Dec 17 22:34:38.097 INFO [stderr]    --> src/main.rs:369:1
Dec 17 22:34:38.097 INFO [stderr]     |
Dec 17 22:34:38.097 INFO [stderr] 369 | struct While<T> {
Dec 17 22:34:38.097 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 17 22:34:38.097 INFO [stderr] 
Dec 17 22:34:38.097 INFO [stderr] warning: struct is never constructed: `StagedExpr`
Dec 17 22:34:38.097 INFO [stderr]    --> src/main.rs:384:1
Dec 17 22:34:38.097 INFO [stderr]     |
Dec 17 22:34:38.097 INFO [stderr] 384 | struct StagedExpr {
Dec 17 22:34:38.097 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 17 22:34:38.097 INFO [stderr] 
Dec 17 22:34:38.097 INFO [stderr] warning: method is never used: `new`
Dec 17 22:34:38.097 INFO [stderr]    --> src/main.rs:389:5
Dec 17 22:34:38.097 INFO [stderr]     |
Dec 17 22:34:38.097 INFO [stderr] 389 | /     fn new<T, R>(runnable: R) -> Self
Dec 17 22:34:38.098 INFO [stderr] 390 | |     where
Dec 17 22:34:38.098 INFO [stderr] 391 | |         R: Runnable<Output = T> + 'static,
Dec 17 22:34:38.098 INFO [stderr] 392 | |         T: 'static,
Dec 17 22:34:38.098 INFO [stderr] ...   |
Dec 17 22:34:38.098 INFO [stderr] 396 | |         StagedExpr { value: box2 }
Dec 17 22:34:38.098 INFO [stderr] 397 | |     }
Dec 17 22:34:38.098 INFO [stderr]     | |_____^
Dec 17 22:34:38.098 INFO [stderr] 
Dec 17 22:34:38.098 INFO [stderr] warning: method is never used: `unwrap`
Dec 17 22:34:38.098 INFO [stderr]    --> src/main.rs:399:5
Dec 17 22:34:38.098 INFO [stderr]     |
Dec 17 22:34:38.098 INFO [stderr] 399 | /     fn unwrap<T>(self) -> Box<Runnable<Output = T>>
Dec 17 22:34:38.098 INFO [stderr] 400 | |     where
Dec 17 22:34:38.098 INFO [stderr] 401 | |         T: 'static,
Dec 17 22:34:38.098 INFO [stderr] 402 | |     {
Dec 17 22:34:38.098 INFO [stderr] ...   |
Dec 17 22:34:38.098 INFO [stderr] 405 | |         }
Dec 17 22:34:38.098 INFO [stderr] 406 | |     }
Dec 17 22:34:38.098 INFO [stderr]     | |_____^
Dec 17 22:34:38.098 INFO [stderr] 
Dec 17 22:34:38.098 INFO [stderr] warning: denote infinite loops with `loop { ... }`
Dec 17 22:34:38.098 INFO [stderr]   --> src/main.rs:97:13
Dec 17 22:34:38.098 INFO [stderr]    |
Dec 17 22:34:38.098 INFO [stderr] 97 |             while true {
Dec 17 22:34:38.098 INFO [stderr]    |             ^^^^^^^^^^ help: use `loop`
Dec 17 22:34:38.098 INFO [stderr]    |
Dec 17 22:34:38.098 INFO [stderr]    = note: #[warn(while_true)] on by default
Dec 17 22:34:38.098 INFO [stderr] 
Dec 17 22:34:38.369 INFO [stderr] warning: variant is never constructed: `Bool`
Dec 17 22:34:38.369 INFO [stderr]   --> src/main.rs:12:5
Dec 17 22:34:38.369 INFO [stderr]    |
Dec 17 22:34:38.369 INFO [stderr] 12 |     Bool,
Dec 17 22:34:38.369 INFO [stderr]    |     ^^^^
Dec 17 22:34:38.369 INFO [stderr]    |
Dec 17 22:34:38.369 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 22:34:38.369 INFO [stderr] 
Dec 17 22:34:38.369 INFO [stderr] warning: struct is never constructed: `Staged2`
Dec 17 22:34:38.369 INFO [stderr]    --> src/main.rs:253:1
Dec 17 22:34:38.369 INFO [stderr]     |
Dec 17 22:34:38.369 INFO [stderr] 253 | struct Staged2 {
Dec 17 22:34:38.369 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 17 22:34:38.369 INFO [stderr] 
Dec 17 22:34:38.369 INFO [stderr] warning: method is never used: `new`
Dec 17 22:34:38.369 INFO [stderr]    --> src/main.rs:258:5
Dec 17 22:34:38.369 INFO [stderr]     |
Dec 17 22:34:38.369 INFO [stderr] 258 | /     fn new<T, F>(staged: F) -> Self
Dec 17 22:34:38.369 INFO [stderr] 259 | |     where
Dec 17 22:34:38.369 INFO [stderr] 260 | |         F: Fn() -> T + 'static,
Dec 17 22:34:38.369 INFO [stderr] 261 | |         T: 'static,
Dec 17 22:34:38.369 INFO [stderr] ...   |
Dec 17 22:34:38.369 INFO [stderr] 265 | |         Staged2 { value: box2 }
Dec 17 22:34:38.369 INFO [stderr] 266 | |     }
Dec 17 22:34:38.369 INFO [stderr]     | |_____^
Dec 17 22:34:38.369 INFO [stderr] 
Dec 17 22:34:38.369 INFO [stderr] warning: method is never used: `unwrap`
Dec 17 22:34:38.369 INFO [stderr]    --> src/main.rs:268:5
Dec 17 22:34:38.369 INFO [stderr]     |
Dec 17 22:34:38.369 INFO [stderr] 268 | /     fn unwrap<T>(self) -> Box<Fn() -> T + 'static>
Dec 17 22:34:38.369 INFO [stderr] 269 | |     where
Dec 17 22:34:38.369 INFO [stderr] 270 | |         T: 'static,
Dec 17 22:34:38.369 INFO [stderr] 271 | |     {
Dec 17 22:34:38.369 INFO [stderr] ...   |
Dec 17 22:34:38.369 INFO [stderr] 274 | |         }
Dec 17 22:34:38.369 INFO [stderr] 275 | |     }
Dec 17 22:34:38.369 INFO [stderr]     | |_____^
Dec 17 22:34:38.369 INFO [stderr] 
Dec 17 22:34:38.369 INFO [stderr] warning: struct is never constructed: `Constant`
Dec 17 22:34:38.369 INFO [stderr]    --> src/main.rs:283:1
Dec 17 22:34:38.369 INFO [stderr]     |
Dec 17 22:34:38.369 INFO [stderr] 283 | struct Constant<T> {
Dec 17 22:34:38.369 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 17 22:34:38.369 INFO [stderr] 
Dec 17 22:34:38.369 INFO [stderr] warning: struct is never constructed: `Add`
Dec 17 22:34:38.369 INFO [stderr]    --> src/main.rs:297:1
Dec 17 22:34:38.369 INFO [stderr]     |
Dec 17 22:34:38.369 INFO [stderr] 297 | struct Add {
Dec 17 22:34:38.369 INFO [stderr]     | ^^^^^^^^^^
Dec 17 22:34:38.369 INFO [stderr] 
Dec 17 22:34:38.369 INFO [stderr] warning: struct is never constructed: `LessThan`
Dec 17 22:34:38.369 INFO [stderr]    --> src/main.rs:309:1
Dec 17 22:34:38.369 INFO [stderr]     |
Dec 17 22:34:38.369 INFO [stderr] 309 | struct LessThan {
Dec 17 22:34:38.369 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 17 22:34:38.369 INFO [stderr] 
Dec 17 22:34:38.369 INFO [stderr] warning: struct is never constructed: `Let`
Dec 17 22:34:38.369 INFO [stderr]    --> src/main.rs:321:1
Dec 17 22:34:38.369 INFO [stderr]     |
Dec 17 22:34:38.369 INFO [stderr] 321 | struct Let<T1, T2> {
Dec 17 22:34:38.369 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 17 22:34:38.369 INFO [stderr] 
Dec 17 22:34:38.369 INFO [stderr] warning: struct is never constructed: `Get`
Dec 17 22:34:38.369 INFO [stderr]    --> src/main.rs:338:1
Dec 17 22:34:38.369 INFO [stderr]     |
Dec 17 22:34:38.369 INFO [stderr] 338 | struct Get<T> {
Dec 17 22:34:38.369 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 17 22:34:38.369 INFO [stderr] 
Dec 17 22:34:38.369 INFO [stderr] warning: struct is never constructed: `Set`
Dec 17 22:34:38.369 INFO [stderr]    --> src/main.rs:352:1
Dec 17 22:34:38.369 INFO [stderr]     |
Dec 17 22:34:38.369 INFO [stderr] 352 | struct Set<T> {
Dec 17 22:34:38.369 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 17 22:34:38.369 INFO [stderr] 
Dec 17 22:34:38.369 INFO [stderr] warning: struct is never constructed: `While`
Dec 17 22:34:38.369 INFO [stderr]    --> src/main.rs:369:1
Dec 17 22:34:38.369 INFO [stderr]     |
Dec 17 22:34:38.369 INFO [stderr] 369 | struct While<T> {
Dec 17 22:34:38.369 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 17 22:34:38.369 INFO [stderr] 
Dec 17 22:34:38.369 INFO [stderr] warning: struct is never constructed: `StagedExpr`
Dec 17 22:34:38.369 INFO [stderr]    --> src/main.rs:384:1
Dec 17 22:34:38.369 INFO [stderr]     |
Dec 17 22:34:38.369 INFO [stderr] 384 | struct StagedExpr {
Dec 17 22:34:38.369 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 17 22:34:38.369 INFO [stderr] 
Dec 17 22:34:38.369 INFO [stderr] warning: method is never used: `new`
Dec 17 22:34:38.369 INFO [stderr]    --> src/main.rs:389:5
Dec 17 22:34:38.369 INFO [stderr]     |
Dec 17 22:34:38.369 INFO [stderr] 389 | /     fn new<T, R>(runnable: R) -> Self
Dec 17 22:34:38.369 INFO [stderr] 390 | |     where
Dec 17 22:34:38.370 INFO [stderr] 391 | |         R: Runnable<Output = T> + 'static,
Dec 17 22:34:38.370 INFO [stderr] 392 | |         T: 'static,
Dec 17 22:34:38.370 INFO [stderr] ...   |
Dec 17 22:34:38.370 INFO [stderr] 396 | |         StagedExpr { value: box2 }
Dec 17 22:34:38.370 INFO [stderr] 397 | |     }
Dec 17 22:34:38.370 INFO [stderr]     | |_____^
Dec 17 22:34:38.370 INFO [stderr] 
Dec 17 22:34:38.370 INFO [stderr] warning: method is never used: `unwrap`
Dec 17 22:34:38.370 INFO [stderr]    --> src/main.rs:399:5
Dec 17 22:34:38.370 INFO [stderr]     |
Dec 17 22:34:38.370 INFO [stderr] 399 | /     fn unwrap<T>(self) -> Box<Runnable<Output = T>>
Dec 17 22:34:38.370 INFO [stderr] 400 | |     where
Dec 17 22:34:38.370 INFO [stderr] 401 | |         T: 'static,
Dec 17 22:34:38.370 INFO [stderr] 402 | |     {
Dec 17 22:34:38.370 INFO [stderr] ...   |
Dec 17 22:34:38.370 INFO [stderr] 405 | |         }
Dec 17 22:34:38.370 INFO [stderr] 406 | |     }
Dec 17 22:34:38.370 INFO [stderr]     | |_____^
Dec 17 22:34:38.370 INFO [stderr] 
Dec 17 22:34:38.370 INFO [stderr] warning: denote infinite loops with `loop { ... }`
Dec 17 22:34:38.370 INFO [stderr]   --> src/main.rs:97:13
Dec 17 22:34:38.370 INFO [stderr]    |
Dec 17 22:34:38.370 INFO [stderr] 97 |             while true {
Dec 17 22:34:38.370 INFO [stderr]    |             ^^^^^^^^^^ help: use `loop`
Dec 17 22:34:38.370 INFO [stderr]    |
Dec 17 22:34:38.370 INFO [stderr]    = note: #[warn(while_true)] on by default
Dec 17 22:34:38.370 INFO [stderr] 
Dec 17 22:34:38.396 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 17 22:34:39.191 INFO running `"docker" "inspect" "d3e6602abcd2d95e7bd47618a0b801ce3e37913cc261fcfb6aa451cb885fe217"`
Dec 17 22:34:39.558 INFO running `"docker" "rm" "-f" "d3e6602abcd2d95e7bd47618a0b801ce3e37913cc261fcfb6aa451cb885fe217"`
Dec 17 22:34:39.930 INFO [stdout] d3e6602abcd2d95e7bd47618a0b801ce3e37913cc261fcfb6aa451cb885fe217