Dec 19 15:25:46.257 INFO checking jamii/rust-tagless against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:25:46.257 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:25:46.732 INFO [stdout] 4ebe8606e1bada574e779fe385ee7695cce16638d814c3dac9bd62ee9143443f
Dec 19 15:25:46.738 INFO running `"docker" "start" "-a" "4ebe8606e1bada574e779fe385ee7695cce16638d814c3dac9bd62ee9143443f"`
Dec 19 15:25:48.571 INFO [stderr]     Checking tagless v0.1.0 (/opt/crater/workdir)
Dec 19 15:25:49.154 INFO [stderr] warning: variant is never constructed: `Bool`
Dec 19 15:25:49.154 INFO [stderr]   --> src/main.rs:12:5
Dec 19 15:25:49.154 INFO [stderr]    |
Dec 19 15:25:49.154 INFO [stderr] 12 |     Bool,
Dec 19 15:25:49.154 INFO [stderr]    |     ^^^^
Dec 19 15:25:49.154 INFO [stderr]    |
Dec 19 15:25:49.154 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:25:49.154 INFO [stderr] 
Dec 19 15:25:49.154 INFO [stderr] warning: struct is never constructed: `Staged2`
Dec 19 15:25:49.154 INFO [stderr]    --> src/main.rs:253:1
Dec 19 15:25:49.154 INFO [stderr]     |
Dec 19 15:25:49.154 INFO [stderr] 253 | struct Staged2 {
Dec 19 15:25:49.154 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 19 15:25:49.154 INFO [stderr] 
Dec 19 15:25:49.155 INFO [stderr] warning: method is never used: `new`
Dec 19 15:25:49.155 INFO [stderr]    --> src/main.rs:258:5
Dec 19 15:25:49.155 INFO [stderr]     |
Dec 19 15:25:49.155 INFO [stderr] 258 | /     fn new<T, F>(staged: F) -> Self
Dec 19 15:25:49.155 INFO [stderr] 259 | |     where
Dec 19 15:25:49.155 INFO [stderr] 260 | |         F: Fn() -> T + 'static,
Dec 19 15:25:49.155 INFO [stderr] 261 | |         T: 'static,
Dec 19 15:25:49.155 INFO [stderr] ...   |
Dec 19 15:25:49.155 INFO [stderr] 265 | |         Staged2 { value: box2 }
Dec 19 15:25:49.155 INFO [stderr] 266 | |     }
Dec 19 15:25:49.155 INFO [stderr]     | |_____^
Dec 19 15:25:49.155 INFO [stderr] 
Dec 19 15:25:49.155 INFO [stderr] warning: method is never used: `unwrap`
Dec 19 15:25:49.155 INFO [stderr]    --> src/main.rs:268:5
Dec 19 15:25:49.155 INFO [stderr]     |
Dec 19 15:25:49.155 INFO [stderr] 268 | /     fn unwrap<T>(self) -> Box<Fn() -> T + 'static>
Dec 19 15:25:49.155 INFO [stderr] 269 | |     where
Dec 19 15:25:49.155 INFO [stderr] 270 | |         T: 'static,
Dec 19 15:25:49.155 INFO [stderr] 271 | |     {
Dec 19 15:25:49.155 INFO [stderr] ...   |
Dec 19 15:25:49.156 INFO [stderr] 274 | |         }
Dec 19 15:25:49.156 INFO [stderr] 275 | |     }
Dec 19 15:25:49.156 INFO [stderr]     | |_____^
Dec 19 15:25:49.156 INFO [stderr] 
Dec 19 15:25:49.156 INFO [stderr] warning: struct is never constructed: `Constant`
Dec 19 15:25:49.156 INFO [stderr]    --> src/main.rs:283:1
Dec 19 15:25:49.156 INFO [stderr]     |
Dec 19 15:25:49.156 INFO [stderr] 283 | struct Constant<T> {
Dec 19 15:25:49.156 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 19 15:25:49.156 INFO [stderr] 
Dec 19 15:25:49.156 INFO [stderr] warning: struct is never constructed: `Add`
Dec 19 15:25:49.156 INFO [stderr]    --> src/main.rs:297:1
Dec 19 15:25:49.156 INFO [stderr]     |
Dec 19 15:25:49.156 INFO [stderr] 297 | struct Add {
Dec 19 15:25:49.156 INFO [stderr]     | ^^^^^^^^^^
Dec 19 15:25:49.156 INFO [stderr] 
Dec 19 15:25:49.156 INFO [stderr] warning: struct is never constructed: `LessThan`
Dec 19 15:25:49.156 INFO [stderr]    --> src/main.rs:309:1
Dec 19 15:25:49.156 INFO [stderr]     |
Dec 19 15:25:49.156 INFO [stderr] 309 | struct LessThan {
Dec 19 15:25:49.156 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 19 15:25:49.156 INFO [stderr] 
Dec 19 15:25:49.156 INFO [stderr] warning: struct is never constructed: `Let`
Dec 19 15:25:49.157 INFO [stderr]    --> src/main.rs:321:1
Dec 19 15:25:49.157 INFO [stderr]     |
Dec 19 15:25:49.157 INFO [stderr] 321 | struct Let<T1, T2> {
Dec 19 15:25:49.157 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 19 15:25:49.157 INFO [stderr] 
Dec 19 15:25:49.157 INFO [stderr] warning: struct is never constructed: `Get`
Dec 19 15:25:49.157 INFO [stderr]    --> src/main.rs:338:1
Dec 19 15:25:49.157 INFO [stderr]     |
Dec 19 15:25:49.157 INFO [stderr] 338 | struct Get<T> {
Dec 19 15:25:49.157 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 19 15:25:49.157 INFO [stderr] 
Dec 19 15:25:49.157 INFO [stderr] warning: struct is never constructed: `Set`
Dec 19 15:25:49.157 INFO [stderr]    --> src/main.rs:352:1
Dec 19 15:25:49.158 INFO [stderr]     |
Dec 19 15:25:49.158 INFO [stderr] 352 | struct Set<T> {
Dec 19 15:25:49.158 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 19 15:25:49.158 INFO [stderr] 
Dec 19 15:25:49.158 INFO [stderr] warning: struct is never constructed: `While`
Dec 19 15:25:49.158 INFO [stderr]    --> src/main.rs:369:1
Dec 19 15:25:49.158 INFO [stderr]     |
Dec 19 15:25:49.158 INFO [stderr] 369 | struct While<T> {
Dec 19 15:25:49.158 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 19 15:25:49.158 INFO [stderr] 
Dec 19 15:25:49.158 INFO [stderr] warning: struct is never constructed: `StagedExpr`
Dec 19 15:25:49.158 INFO [stderr]    --> src/main.rs:384:1
Dec 19 15:25:49.158 INFO [stderr]     |
Dec 19 15:25:49.158 INFO [stderr] 384 | struct StagedExpr {
Dec 19 15:25:49.158 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 19 15:25:49.158 INFO [stderr] 
Dec 19 15:25:49.159 INFO [stderr] warning: method is never used: `new`
Dec 19 15:25:49.159 INFO [stderr]    --> src/main.rs:389:5
Dec 19 15:25:49.159 INFO [stderr]     |
Dec 19 15:25:49.159 INFO [stderr] 389 | /     fn new<T, R>(runnable: R) -> Self
Dec 19 15:25:49.159 INFO [stderr] 390 | |     where
Dec 19 15:25:49.159 INFO [stderr] 391 | |         R: Runnable<Output = T> + 'static,
Dec 19 15:25:49.159 INFO [stderr] 392 | |         T: 'static,
Dec 19 15:25:49.159 INFO [stderr] ...   |
Dec 19 15:25:49.159 INFO [stderr] 396 | |         StagedExpr { value: box2 }
Dec 19 15:25:49.159 INFO [stderr] 397 | |     }
Dec 19 15:25:49.159 INFO [stderr]     | |_____^
Dec 19 15:25:49.159 INFO [stderr] 
Dec 19 15:25:49.159 INFO [stderr] warning: method is never used: `unwrap`
Dec 19 15:25:49.159 INFO [stderr]    --> src/main.rs:399:5
Dec 19 15:25:49.159 INFO [stderr]     |
Dec 19 15:25:49.159 INFO [stderr] 399 | /     fn unwrap<T>(self) -> Box<Runnable<Output = T>>
Dec 19 15:25:49.159 INFO [stderr] 400 | |     where
Dec 19 15:25:49.159 INFO [stderr] 401 | |         T: 'static,
Dec 19 15:25:49.159 INFO [stderr] 402 | |     {
Dec 19 15:25:49.159 INFO [stderr] ...   |
Dec 19 15:25:49.159 INFO [stderr] 405 | |         }
Dec 19 15:25:49.159 INFO [stderr] 406 | |     }
Dec 19 15:25:49.159 INFO [stderr]     | |_____^
Dec 19 15:25:49.159 INFO [stderr] 
Dec 19 15:25:49.159 INFO [stderr] warning: denote infinite loops with `loop { ... }`
Dec 19 15:25:49.159 INFO [stderr]   --> src/main.rs:97:13
Dec 19 15:25:49.159 INFO [stderr]    |
Dec 19 15:25:49.159 INFO [stderr] 97 |             while true {
Dec 19 15:25:49.159 INFO [stderr]    |             ^^^^^^^^^^ help: use `loop`
Dec 19 15:25:49.159 INFO [stderr]    |
Dec 19 15:25:49.159 INFO [stderr]    = note: #[warn(while_true)] on by default
Dec 19 15:25:49.159 INFO [stderr] 
Dec 19 15:25:49.242 INFO [stderr] warning: variant is never constructed: `Bool`
Dec 19 15:25:49.242 INFO [stderr]   --> src/main.rs:12:5
Dec 19 15:25:49.242 INFO [stderr]    |
Dec 19 15:25:49.242 INFO [stderr] 12 |     Bool,
Dec 19 15:25:49.242 INFO [stderr]    |     ^^^^
Dec 19 15:25:49.242 INFO [stderr]    |
Dec 19 15:25:49.242 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:25:49.242 INFO [stderr] 
Dec 19 15:25:49.242 INFO [stderr] warning: struct is never constructed: `Staged2`
Dec 19 15:25:49.242 INFO [stderr]    --> src/main.rs:253:1
Dec 19 15:25:49.242 INFO [stderr]     |
Dec 19 15:25:49.242 INFO [stderr] 253 | struct Staged2 {
Dec 19 15:25:49.242 INFO [stderr]     | ^^^^^^^^^^^^^^
Dec 19 15:25:49.242 INFO [stderr] 
Dec 19 15:25:49.242 INFO [stderr] warning: method is never used: `new`
Dec 19 15:25:49.242 INFO [stderr]    --> src/main.rs:258:5
Dec 19 15:25:49.242 INFO [stderr]     |
Dec 19 15:25:49.242 INFO [stderr] 258 | /     fn new<T, F>(staged: F) -> Self
Dec 19 15:25:49.242 INFO [stderr] 259 | |     where
Dec 19 15:25:49.242 INFO [stderr] 260 | |         F: Fn() -> T + 'static,
Dec 19 15:25:49.242 INFO [stderr] 261 | |         T: 'static,
Dec 19 15:25:49.242 INFO [stderr] ...   |
Dec 19 15:25:49.242 INFO [stderr] 265 | |         Staged2 { value: box2 }
Dec 19 15:25:49.242 INFO [stderr] 266 | |     }
Dec 19 15:25:49.242 INFO [stderr]     | |_____^
Dec 19 15:25:49.242 INFO [stderr] 
Dec 19 15:25:49.242 INFO [stderr] warning: method is never used: `unwrap`
Dec 19 15:25:49.242 INFO [stderr]    --> src/main.rs:268:5
Dec 19 15:25:49.242 INFO [stderr]     |
Dec 19 15:25:49.242 INFO [stderr] 268 | /     fn unwrap<T>(self) -> Box<Fn() -> T + 'static>
Dec 19 15:25:49.242 INFO [stderr] 269 | |     where
Dec 19 15:25:49.242 INFO [stderr] 270 | |         T: 'static,
Dec 19 15:25:49.242 INFO [stderr] 271 | |     {
Dec 19 15:25:49.242 INFO [stderr] ...   |
Dec 19 15:25:49.242 INFO [stderr] 274 | |         }
Dec 19 15:25:49.242 INFO [stderr] 275 | |     }
Dec 19 15:25:49.242 INFO [stderr]     | |_____^
Dec 19 15:25:49.242 INFO [stderr] 
Dec 19 15:25:49.242 INFO [stderr] warning: struct is never constructed: `Constant`
Dec 19 15:25:49.242 INFO [stderr]    --> src/main.rs:283:1
Dec 19 15:25:49.242 INFO [stderr]     |
Dec 19 15:25:49.242 INFO [stderr] 283 | struct Constant<T> {
Dec 19 15:25:49.242 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 19 15:25:49.242 INFO [stderr] 
Dec 19 15:25:49.242 INFO [stderr] warning: struct is never constructed: `Add`
Dec 19 15:25:49.242 INFO [stderr]    --> src/main.rs:297:1
Dec 19 15:25:49.242 INFO [stderr]     |
Dec 19 15:25:49.242 INFO [stderr] 297 | struct Add {
Dec 19 15:25:49.242 INFO [stderr]     | ^^^^^^^^^^
Dec 19 15:25:49.242 INFO [stderr] 
Dec 19 15:25:49.242 INFO [stderr] warning: struct is never constructed: `LessThan`
Dec 19 15:25:49.242 INFO [stderr]    --> src/main.rs:309:1
Dec 19 15:25:49.242 INFO [stderr]     |
Dec 19 15:25:49.242 INFO [stderr] 309 | struct LessThan {
Dec 19 15:25:49.242 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 19 15:25:49.242 INFO [stderr] 
Dec 19 15:25:49.242 INFO [stderr] warning: struct is never constructed: `Let`
Dec 19 15:25:49.242 INFO [stderr]    --> src/main.rs:321:1
Dec 19 15:25:49.242 INFO [stderr]     |
Dec 19 15:25:49.242 INFO [stderr] 321 | struct Let<T1, T2> {
Dec 19 15:25:49.242 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^
Dec 19 15:25:49.242 INFO [stderr] 
Dec 19 15:25:49.242 INFO [stderr] warning: struct is never constructed: `Get`
Dec 19 15:25:49.242 INFO [stderr]    --> src/main.rs:338:1
Dec 19 15:25:49.242 INFO [stderr]     |
Dec 19 15:25:49.242 INFO [stderr] 338 | struct Get<T> {
Dec 19 15:25:49.242 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 19 15:25:49.242 INFO [stderr] 
Dec 19 15:25:49.242 INFO [stderr] warning: struct is never constructed: `Set`
Dec 19 15:25:49.242 INFO [stderr]    --> src/main.rs:352:1
Dec 19 15:25:49.242 INFO [stderr]     |
Dec 19 15:25:49.242 INFO [stderr] 352 | struct Set<T> {
Dec 19 15:25:49.242 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 19 15:25:49.242 INFO [stderr] 
Dec 19 15:25:49.242 INFO [stderr] warning: struct is never constructed: `While`
Dec 19 15:25:49.242 INFO [stderr]    --> src/main.rs:369:1
Dec 19 15:25:49.242 INFO [stderr]     |
Dec 19 15:25:49.242 INFO [stderr] 369 | struct While<T> {
Dec 19 15:25:49.242 INFO [stderr]     | ^^^^^^^^^^^^^^^
Dec 19 15:25:49.242 INFO [stderr] 
Dec 19 15:25:49.242 INFO [stderr] warning: struct is never constructed: `StagedExpr`
Dec 19 15:25:49.242 INFO [stderr]    --> src/main.rs:384:1
Dec 19 15:25:49.242 INFO [stderr]     |
Dec 19 15:25:49.242 INFO [stderr] 384 | struct StagedExpr {
Dec 19 15:25:49.243 INFO [stderr]     | ^^^^^^^^^^^^^^^^^
Dec 19 15:25:49.243 INFO [stderr] 
Dec 19 15:25:49.243 INFO [stderr] warning: method is never used: `new`
Dec 19 15:25:49.243 INFO [stderr]    --> src/main.rs:389:5
Dec 19 15:25:49.243 INFO [stderr]     |
Dec 19 15:25:49.243 INFO [stderr] 389 | /     fn new<T, R>(runnable: R) -> Self
Dec 19 15:25:49.243 INFO [stderr] 390 | |     where
Dec 19 15:25:49.243 INFO [stderr] 391 | |         R: Runnable<Output = T> + 'static,
Dec 19 15:25:49.243 INFO [stderr] 392 | |         T: 'static,
Dec 19 15:25:49.243 INFO [stderr] ...   |
Dec 19 15:25:49.243 INFO [stderr] 396 | |         StagedExpr { value: box2 }
Dec 19 15:25:49.243 INFO [stderr] 397 | |     }
Dec 19 15:25:49.243 INFO [stderr]     | |_____^
Dec 19 15:25:49.243 INFO [stderr] 
Dec 19 15:25:49.243 INFO [stderr] warning: method is never used: `unwrap`
Dec 19 15:25:49.243 INFO [stderr]    --> src/main.rs:399:5
Dec 19 15:25:49.243 INFO [stderr]     |
Dec 19 15:25:49.243 INFO [stderr] 399 | /     fn unwrap<T>(self) -> Box<Runnable<Output = T>>
Dec 19 15:25:49.243 INFO [stderr] 400 | |     where
Dec 19 15:25:49.243 INFO [stderr] 401 | |         T: 'static,
Dec 19 15:25:49.243 INFO [stderr] 402 | |     {
Dec 19 15:25:49.243 INFO [stderr] ...   |
Dec 19 15:25:49.243 INFO [stderr] 405 | |         }
Dec 19 15:25:49.243 INFO [stderr] 406 | |     }
Dec 19 15:25:49.243 INFO [stderr]     | |_____^
Dec 19 15:25:49.243 INFO [stderr] 
Dec 19 15:25:49.243 INFO [stderr] warning: denote infinite loops with `loop { ... }`
Dec 19 15:25:49.243 INFO [stderr]   --> src/main.rs:97:13
Dec 19 15:25:49.243 INFO [stderr]    |
Dec 19 15:25:49.243 INFO [stderr] 97 |             while true {
Dec 19 15:25:49.243 INFO [stderr]    |             ^^^^^^^^^^ help: use `loop`
Dec 19 15:25:49.243 INFO [stderr]    |
Dec 19 15:25:49.243 INFO [stderr]    = note: #[warn(while_true)] on by default
Dec 19 15:25:49.243 INFO [stderr] 
Dec 19 15:25:49.297 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 19 15:25:50.062 INFO running `"docker" "inspect" "4ebe8606e1bada574e779fe385ee7695cce16638d814c3dac9bd62ee9143443f"`
Dec 19 15:25:50.518 INFO running `"docker" "rm" "-f" "4ebe8606e1bada574e779fe385ee7695cce16638d814c3dac9bd62ee9143443f"`
Dec 19 15:25:50.952 INFO [stdout] 4ebe8606e1bada574e779fe385ee7695cce16638d814c3dac9bd62ee9143443f