Dec 11 16:38:30.093 INFO checking jamii/rust-tagless against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:38:30.093 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 16:38:30.372 INFO [stdout] c79c49cec4b375513c691a7488b9414f80a279024db9ff8c9c61ccc65c144425
Dec 11 16:38:30.378 INFO running `"docker" "start" "-a" "c79c49cec4b375513c691a7488b9414f80a279024db9ff8c9c61ccc65c144425"`
Dec 11 16:38:31.107 INFO [stderr] usermod: no changes
Dec 11 16:38:31.179 INFO [stderr]     Checking tagless v0.1.0 (/source)
Dec 11 16:38:31.747 INFO [stderr] warning: variant is never constructed: `Bool`
Dec 11 16:38:31.747 INFO [stderr]   --> src/main.rs:12:5
Dec 11 16:38:31.747 INFO [stderr]    |
Dec 11 16:38:31.747 INFO [stderr] 12 |     Bool,
Dec 11 16:38:31.747 INFO [stderr]    |     ^^^^
Dec 11 16:38:31.747 INFO [stderr]    |
Dec 11 16:38:31.747 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 16:38:31.747 INFO [stderr] 
Dec 11 16:38:31.747 INFO [stderr] warning: struct is never constructed: `Staged2`
Dec 11 16:38:31.747 INFO [stderr]    --> src/main.rs:253:1
Dec 11 16:38:31.747 INFO [stderr]     |
Dec 11 16:38:31.747 INFO [stderr] 253 | struct Staged2 {
Dec 11 16:38:31.747 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 11 16:38:31.747 INFO [stderr] 
Dec 11 16:38:31.749 INFO [stderr] warning: method is never used: `new`
Dec 11 16:38:31.749 INFO [stderr]    --> src/main.rs:258:5
Dec 11 16:38:31.749 INFO [stderr]     |
Dec 11 16:38:31.749 INFO [stderr] 258 | /     fn new<T, F>(staged: F) -> Self
Dec 11 16:38:31.749 INFO [stderr] 259 | |     where
Dec 11 16:38:31.749 INFO [stderr] 260 | |         F: Fn() -> T + 'static,
Dec 11 16:38:31.749 INFO [stderr] 261 | |         T: 'static,
Dec 11 16:38:31.749 INFO [stderr] ...   |
Dec 11 16:38:31.749 INFO [stderr] 265 | |         Staged2 { value: box2 }
Dec 11 16:38:31.749 INFO [stderr] 266 | |     }
Dec 11 16:38:31.749 INFO [stderr]     | |_____^
Dec 11 16:38:31.749 INFO [stderr] 
Dec 11 16:38:31.749 INFO [stderr] warning: method is never used: `unwrap`
Dec 11 16:38:31.749 INFO [stderr]    --> src/main.rs:268:5
Dec 11 16:38:31.749 INFO [stderr]     |
Dec 11 16:38:31.749 INFO [stderr] 268 | /     fn unwrap<T>(self) -> Box<Fn() -> T + 'static>
Dec 11 16:38:31.749 INFO [stderr] 269 | |     where
Dec 11 16:38:31.749 INFO [stderr] 270 | |         T: 'static,
Dec 11 16:38:31.749 INFO [stderr] 271 | |     {
Dec 11 16:38:31.749 INFO [stderr] ...   |
Dec 11 16:38:31.749 INFO [stderr] 274 | |         }
Dec 11 16:38:31.749 INFO [stderr] 275 | |     }
Dec 11 16:38:31.749 INFO [stderr]     | |_____^
Dec 11 16:38:31.749 INFO [stderr] 
Dec 11 16:38:31.749 INFO [stderr] warning: struct is never constructed: `Constant`
Dec 11 16:38:31.749 INFO [stderr]    --> src/main.rs:283:1
Dec 11 16:38:31.749 INFO [stderr]     |
Dec 11 16:38:31.749 INFO [stderr] 283 | struct Constant<T> {
Dec 11 16:38:31.749 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 11 16:38:31.749 INFO [stderr] 
Dec 11 16:38:31.749 INFO [stderr] warning: struct is never constructed: `Add`
Dec 11 16:38:31.749 INFO [stderr]    --> src/main.rs:297:1
Dec 11 16:38:31.749 INFO [stderr]     |
Dec 11 16:38:31.749 INFO [stderr] 297 | struct Add {
Dec 11 16:38:31.749 INFO [stderr]     | ^^^^^^^^^^
Dec 11 16:38:31.749 INFO [stderr] 
Dec 11 16:38:31.749 INFO [stderr] warning: struct is never constructed: `LessThan`
Dec 11 16:38:31.749 INFO [stderr]    --> src/main.rs:309:1
Dec 11 16:38:31.749 INFO [stderr]     |
Dec 11 16:38:31.749 INFO [stderr] 309 | struct LessThan {
Dec 11 16:38:31.749 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 11 16:38:31.749 INFO [stderr] 
Dec 11 16:38:31.749 INFO [stderr] warning: struct is never constructed: `Let`
Dec 11 16:38:31.749 INFO [stderr]    --> src/main.rs:321:1
Dec 11 16:38:31.749 INFO [stderr]     |
Dec 11 16:38:31.749 INFO [stderr] 321 | struct Let<T1, T2> {
Dec 11 16:38:31.749 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 11 16:38:31.749 INFO [stderr] 
Dec 11 16:38:31.749 INFO [stderr] warning: struct is never constructed: `Get`
Dec 11 16:38:31.749 INFO [stderr]    --> src/main.rs:338:1
Dec 11 16:38:31.749 INFO [stderr]     |
Dec 11 16:38:31.749 INFO [stderr] 338 | struct Get<T> {
Dec 11 16:38:31.749 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 11 16:38:31.749 INFO [stderr] 
Dec 11 16:38:31.749 INFO [stderr] warning: struct is never constructed: `Set`
Dec 11 16:38:31.749 INFO [stderr]    --> src/main.rs:352:1
Dec 11 16:38:31.749 INFO [stderr]     |
Dec 11 16:38:31.749 INFO [stderr] 352 | struct Set<T> {
Dec 11 16:38:31.749 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 11 16:38:31.749 INFO [stderr] 
Dec 11 16:38:31.749 INFO [stderr] warning: struct is never constructed: `While`
Dec 11 16:38:31.749 INFO [stderr]    --> src/main.rs:369:1
Dec 11 16:38:31.749 INFO [stderr]     |
Dec 11 16:38:31.749 INFO [stderr] 369 | struct While<T> {
Dec 11 16:38:31.749 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 11 16:38:31.749 INFO [stderr] 
Dec 11 16:38:31.749 INFO [stderr] warning: struct is never constructed: `StagedExpr`
Dec 11 16:38:31.749 INFO [stderr]    --> src/main.rs:384:1
Dec 11 16:38:31.749 INFO [stderr]     |
Dec 11 16:38:31.749 INFO [stderr] 384 | struct StagedExpr {
Dec 11 16:38:31.749 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 11 16:38:31.749 INFO [stderr] 
Dec 11 16:38:31.749 INFO [stderr] warning: method is never used: `new`
Dec 11 16:38:31.749 INFO [stderr]    --> src/main.rs:389:5
Dec 11 16:38:31.749 INFO [stderr]     |
Dec 11 16:38:31.749 INFO [stderr] 389 | /     fn new<T, R>(runnable: R) -> Self
Dec 11 16:38:31.749 INFO [stderr] 390 | |     where
Dec 11 16:38:31.750 INFO [stderr] 391 | |         R: Runnable<Output = T> + 'static,
Dec 11 16:38:31.750 INFO [stderr] 392 | |         T: 'static,
Dec 11 16:38:31.750 INFO [stderr] ...   |
Dec 11 16:38:31.750 INFO [stderr] 396 | |         StagedExpr { value: box2 }
Dec 11 16:38:31.750 INFO [stderr] 397 | |     }
Dec 11 16:38:31.750 INFO [stderr]     | |_____^
Dec 11 16:38:31.750 INFO [stderr] 
Dec 11 16:38:31.750 INFO [stderr] warning: method is never used: `unwrap`
Dec 11 16:38:31.750 INFO [stderr]    --> src/main.rs:399:5
Dec 11 16:38:31.750 INFO [stderr]     |
Dec 11 16:38:31.750 INFO [stderr] 399 | /     fn unwrap<T>(self) -> Box<Runnable<Output = T>>
Dec 11 16:38:31.750 INFO [stderr] 400 | |     where
Dec 11 16:38:31.750 INFO [stderr] 401 | |         T: 'static,
Dec 11 16:38:31.750 INFO [stderr] 402 | |     {
Dec 11 16:38:31.750 INFO [stderr] ...   |
Dec 11 16:38:31.750 INFO [stderr] 405 | |         }
Dec 11 16:38:31.750 INFO [stderr] 406 | |     }
Dec 11 16:38:31.750 INFO [stderr]     | |_____^
Dec 11 16:38:31.750 INFO [stderr] 
Dec 11 16:38:31.750 INFO [stderr] warning: denote infinite loops with `loop { ... }`
Dec 11 16:38:31.750 INFO [stderr]   --> src/main.rs:97:13
Dec 11 16:38:31.750 INFO [stderr]    |
Dec 11 16:38:31.750 INFO [stderr] 97 |             while true {
Dec 11 16:38:31.750 INFO [stderr]    |             ^^^^^^^^^^ help: use `loop`
Dec 11 16:38:31.750 INFO [stderr]    |
Dec 11 16:38:31.750 INFO [stderr]    = note: #[warn(while_true)] on by default
Dec 11 16:38:31.750 INFO [stderr] 
Dec 11 16:38:31.844 INFO [stderr] warning: variant is never constructed: `Bool`
Dec 11 16:38:31.844 INFO [stderr]   --> src/main.rs:12:5
Dec 11 16:38:31.844 INFO [stderr]    |
Dec 11 16:38:31.844 INFO [stderr] 12 |     Bool,
Dec 11 16:38:31.844 INFO [stderr]    |     ^^^^
Dec 11 16:38:31.844 INFO [stderr]    |
Dec 11 16:38:31.844 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 16:38:31.845 INFO [stderr] 
Dec 11 16:38:31.845 INFO [stderr] warning: struct is never constructed: `Staged2`
Dec 11 16:38:31.845 INFO [stderr]    --> src/main.rs:253:1
Dec 11 16:38:31.845 INFO [stderr]     |
Dec 11 16:38:31.845 INFO [stderr] 253 | struct Staged2 {
Dec 11 16:38:31.845 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 11 16:38:31.845 INFO [stderr] 
Dec 11 16:38:31.845 INFO [stderr] warning: method is never used: `new`
Dec 11 16:38:31.845 INFO [stderr]    --> src/main.rs:258:5
Dec 11 16:38:31.845 INFO [stderr]     |
Dec 11 16:38:31.845 INFO [stderr] 258 | /     fn new<T, F>(staged: F) -> Self
Dec 11 16:38:31.845 INFO [stderr] 259 | |     where
Dec 11 16:38:31.845 INFO [stderr] 260 | |         F: Fn() -> T + 'static,
Dec 11 16:38:31.845 INFO [stderr] 261 | |         T: 'static,
Dec 11 16:38:31.845 INFO [stderr] ...   |
Dec 11 16:38:31.845 INFO [stderr] 265 | |         Staged2 { value: box2 }
Dec 11 16:38:31.845 INFO [stderr] 266 | |     }
Dec 11 16:38:31.845 INFO [stderr]     | |_____^
Dec 11 16:38:31.845 INFO [stderr] 
Dec 11 16:38:31.845 INFO [stderr] warning: method is never used: `unwrap`
Dec 11 16:38:31.845 INFO [stderr]    --> src/main.rs:268:5
Dec 11 16:38:31.845 INFO [stderr]     |
Dec 11 16:38:31.845 INFO [stderr] 268 | /     fn unwrap<T>(self) -> Box<Fn() -> T + 'static>
Dec 11 16:38:31.845 INFO [stderr] 269 | |     where
Dec 11 16:38:31.845 INFO [stderr] 270 | |         T: 'static,
Dec 11 16:38:31.845 INFO [stderr] 271 | |     {
Dec 11 16:38:31.845 INFO [stderr] ...   |
Dec 11 16:38:31.845 INFO [stderr] 274 | |         }
Dec 11 16:38:31.845 INFO [stderr] 275 | |     }
Dec 11 16:38:31.845 INFO [stderr]     | |_____^
Dec 11 16:38:31.845 INFO [stderr] 
Dec 11 16:38:31.845 INFO [stderr] warning: struct is never constructed: `Constant`
Dec 11 16:38:31.845 INFO [stderr]    --> src/main.rs:283:1
Dec 11 16:38:31.845 INFO [stderr]     |
Dec 11 16:38:31.845 INFO [stderr] 283 | struct Constant<T> {
Dec 11 16:38:31.845 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 11 16:38:31.845 INFO [stderr] 
Dec 11 16:38:31.845 INFO [stderr] warning: struct is never constructed: `Add`
Dec 11 16:38:31.845 INFO [stderr]    --> src/main.rs:297:1
Dec 11 16:38:31.845 INFO [stderr]     |
Dec 11 16:38:31.845 INFO [stderr] 297 | struct Add {
Dec 11 16:38:31.845 INFO [stderr]     | ^^^^^^^^^^
Dec 11 16:38:31.845 INFO [stderr] 
Dec 11 16:38:31.845 INFO [stderr] warning: struct is never constructed: `LessThan`
Dec 11 16:38:31.845 INFO [stderr]    --> src/main.rs:309:1
Dec 11 16:38:31.845 INFO [stderr]     |
Dec 11 16:38:31.845 INFO [stderr] 309 | struct LessThan {
Dec 11 16:38:31.845 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 11 16:38:31.845 INFO [stderr] 
Dec 11 16:38:31.845 INFO [stderr] warning: struct is never constructed: `Let`
Dec 11 16:38:31.845 INFO [stderr]    --> src/main.rs:321:1
Dec 11 16:38:31.845 INFO [stderr]     |
Dec 11 16:38:31.845 INFO [stderr] 321 | struct Let<T1, T2> {
Dec 11 16:38:31.845 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 11 16:38:31.845 INFO [stderr] 
Dec 11 16:38:31.845 INFO [stderr] warning: struct is never constructed: `Get`
Dec 11 16:38:31.845 INFO [stderr]    --> src/main.rs:338:1
Dec 11 16:38:31.845 INFO [stderr]     |
Dec 11 16:38:31.845 INFO [stderr] 338 | struct Get<T> {
Dec 11 16:38:31.845 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 11 16:38:31.845 INFO [stderr] 
Dec 11 16:38:31.848 INFO [stderr] warning: struct is never constructed: `Set`
Dec 11 16:38:31.848 INFO [stderr]    --> src/main.rs:352:1
Dec 11 16:38:31.848 INFO [stderr]     |
Dec 11 16:38:31.848 INFO [stderr] 352 | struct Set<T> {
Dec 11 16:38:31.848 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 11 16:38:31.848 INFO [stderr] 
Dec 11 16:38:31.848 INFO [stderr] warning: struct is never constructed: `While`
Dec 11 16:38:31.848 INFO [stderr]    --> src/main.rs:369:1
Dec 11 16:38:31.848 INFO [stderr]     |
Dec 11 16:38:31.848 INFO [stderr] 369 | struct While<T> {
Dec 11 16:38:31.848 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 11 16:38:31.848 INFO [stderr] 
Dec 11 16:38:31.848 INFO [stderr] warning: struct is never constructed: `StagedExpr`
Dec 11 16:38:31.848 INFO [stderr]    --> src/main.rs:384:1
Dec 11 16:38:31.848 INFO [stderr]     |
Dec 11 16:38:31.848 INFO [stderr] 384 | struct StagedExpr {
Dec 11 16:38:31.848 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 11 16:38:31.848 INFO [stderr] 
Dec 11 16:38:31.848 INFO [stderr] warning: method is never used: `new`
Dec 11 16:38:31.848 INFO [stderr]    --> src/main.rs:389:5
Dec 11 16:38:31.848 INFO [stderr]     |
Dec 11 16:38:31.848 INFO [stderr] 389 | /     fn new<T, R>(runnable: R) -> Self
Dec 11 16:38:31.848 INFO [stderr] 390 | |     where
Dec 11 16:38:31.848 INFO [stderr] 391 | |         R: Runnable<Output = T> + 'static,
Dec 11 16:38:31.848 INFO [stderr] 392 | |         T: 'static,
Dec 11 16:38:31.848 INFO [stderr] ...   |
Dec 11 16:38:31.848 INFO [stderr] 396 | |         StagedExpr { value: box2 }
Dec 11 16:38:31.848 INFO [stderr] 397 | |     }
Dec 11 16:38:31.848 INFO [stderr]     | |_____^
Dec 11 16:38:31.848 INFO [stderr] 
Dec 11 16:38:31.848 INFO [stderr] warning: method is never used: `unwrap`
Dec 11 16:38:31.848 INFO [stderr]    --> src/main.rs:399:5
Dec 11 16:38:31.848 INFO [stderr]     |
Dec 11 16:38:31.848 INFO [stderr] 399 | /     fn unwrap<T>(self) -> Box<Runnable<Output = T>>
Dec 11 16:38:31.848 INFO [stderr] 400 | |     where
Dec 11 16:38:31.848 INFO [stderr] 401 | |         T: 'static,
Dec 11 16:38:31.848 INFO [stderr] 402 | |     {
Dec 11 16:38:31.848 INFO [stderr] ...   |
Dec 11 16:38:31.848 INFO [stderr] 405 | |         }
Dec 11 16:38:31.848 INFO [stderr] 406 | |     }
Dec 11 16:38:31.848 INFO [stderr]     | |_____^
Dec 11 16:38:31.848 INFO [stderr] 
Dec 11 16:38:31.848 INFO [stderr] warning: denote infinite loops with `loop { ... }`
Dec 11 16:38:31.848 INFO [stderr]   --> src/main.rs:97:13
Dec 11 16:38:31.848 INFO [stderr]    |
Dec 11 16:38:31.848 INFO [stderr] 97 |             while true {
Dec 11 16:38:31.848 INFO [stderr]    |             ^^^^^^^^^^ help: use `loop`
Dec 11 16:38:31.848 INFO [stderr]    |
Dec 11 16:38:31.848 INFO [stderr]    = note: #[warn(while_true)] on by default
Dec 11 16:38:31.848 INFO [stderr] 
Dec 11 16:38:31.859 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 11 16:38:31.861 INFO [stderr] su: No module specific data is present
Dec 11 16:38:32.307 INFO running `"docker" "inspect" "c79c49cec4b375513c691a7488b9414f80a279024db9ff8c9c61ccc65c144425"`
Dec 11 16:38:32.488 INFO running `"docker" "rm" "-f" "c79c49cec4b375513c691a7488b9414f80a279024db9ff8c9c61ccc65c144425"`
Dec 11 16:38:32.629 INFO [stdout] c79c49cec4b375513c691a7488b9414f80a279024db9ff8c9c61ccc65c144425