Dec 06 20:13:54.440 INFO testing thunk-0.3.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 20:13:54.440 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 06 20:13:54.934 INFO [stdout] 972f41c80818fdc5bb64782ee66f6fdff88c70c3252c05e5ab42d117600820cb
Dec 06 20:13:54.936 INFO running `"docker" "start" "-a" "972f41c80818fdc5bb64782ee66f6fdff88c70c3252c05e5ab42d117600820cb"`
Dec 06 20:13:56.517 INFO [stderr] usermod: no changes
Dec 06 20:13:56.592 INFO [stderr]    Compiling thunk v0.3.0 (/source)
Dec 06 20:13:57.328 INFO [stderr] warning: doc comment not used by rustdoc
Dec 06 20:13:57.328 INFO [stderr]    --> src/sync.rs:260:13
Dec 06 20:13:57.328 INFO [stderr]     |
Dec 06 20:13:57.328 INFO [stderr] 260 |             /// If the `AtomicThunk` is evaluated, do nothing.
Dec 06 20:13:57.328 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 20:13:57.328 INFO [stderr]     |
Dec 06 20:13:57.328 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 06 20:13:57.328 INFO [stderr] 
Dec 06 20:13:57.328 INFO [stderr] warning: doc comment not used by rustdoc
Dec 06 20:13:57.328 INFO [stderr]    --> src/sync.rs:263:13
Dec 06 20:13:57.328 INFO [stderr]     |
Dec 06 20:13:57.328 INFO [stderr] 263 |             /// If the `AtomicThunk` is `LOCKING` or `LOCKED`, wait until the thunk is
Dec 06 20:13:57.328 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 20:13:57.328 INFO [stderr] 
Dec 06 20:13:57.328 INFO [stderr] warning: doc comment not used by rustdoc
Dec 06 20:13:57.328 INFO [stderr]    --> src/sync.rs:267:13
Dec 06 20:13:57.328 INFO [stderr]     |
Dec 06 20:13:57.328 INFO [stderr] 267 |             /// Only `THUNK_DEFERRED`, `THUNK_EVALUATED`, `THUNK_LOCKING`, and
Dec 06 20:13:57.328 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 20:13:57.329 INFO [stderr] 
Dec 06 20:13:57.420 INFO [stderr] error[E0277]: the size for values of type `<sync::AtomicThunk<T> as std::ops::Deref>::Target` cannot be known at compilation time
Dec 06 20:13:57.420 INFO [stderr]    --> src/sync.rs:329:31
Dec 06 20:13:57.420 INFO [stderr]     |
Dec 06 20:13:57.420 INFO [stderr] 329 |         let new_rc = Arc::new(AtomicThunk::computed((*this.0).clone()));
Dec 06 20:13:57.420 INFO [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
Dec 06 20:13:57.420 INFO [stderr]     |
Dec 06 20:13:57.420 INFO [stderr]     = help: the trait `std::marker::Sized` is not implemented for `<sync::AtomicThunk<T> as std::ops::Deref>::Target`
Dec 06 20:13:57.420 INFO [stderr]     = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
Dec 06 20:13:57.420 INFO [stderr]     = help: consider adding a `where <sync::AtomicThunk<T> as std::ops::Deref>::Target: std::marker::Sized` bound
Dec 06 20:13:57.420 INFO [stderr]     = note: all function arguments must have a statically known size
Dec 06 20:13:57.420 INFO [stderr]     = help: unsized locals are gated as an unstable feature
Dec 06 20:13:57.420 INFO [stderr] 
Dec 06 20:13:57.420 INFO [stderr] error[E0277]: the size for values of type `<sync::AtomicThunk<T> as std::ops::Deref>::Target` cannot be known at compilation time
Dec 06 20:13:57.420 INFO [stderr]    --> src/sync.rs:361:27
Dec 06 20:13:57.420 INFO [stderr]     |
Dec 06 20:13:57.420 INFO [stderr] 361 |         ArcThunk(Arc::new(AtomicThunk::computed(t)))
Dec 06 20:13:57.420 INFO [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
Dec 06 20:13:57.420 INFO [stderr]     |
Dec 06 20:13:57.420 INFO [stderr]     = help: the trait `std::marker::Sized` is not implemented for `<sync::AtomicThunk<T> as std::ops::Deref>::Target`
Dec 06 20:13:57.420 INFO [stderr]     = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
Dec 06 20:13:57.420 INFO [stderr]     = help: consider adding a `where <sync::AtomicThunk<T> as std::ops::Deref>::Target: std::marker::Sized` bound
Dec 06 20:13:57.420 INFO [stderr]     = note: all function arguments must have a statically known size
Dec 06 20:13:57.420 INFO [stderr]     = help: unsized locals are gated as an unstable feature
Dec 06 20:13:57.420 INFO [stderr] 
Dec 06 20:13:57.428 INFO [stderr] error[E0277]: the size for values of type `<unsync::Thunk<T> as std::ops::Deref>::Target` cannot be known at compilation time
Dec 06 20:13:57.428 INFO [stderr]    --> src/unsync.rs:238:30
Dec 06 20:13:57.428 INFO [stderr]     |
Dec 06 20:13:57.428 INFO [stderr] 238 |         let new_rc = Rc::new(Thunk::computed((*this.0).clone()));
Dec 06 20:13:57.428 INFO [stderr]     |                              ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
Dec 06 20:13:57.428 INFO [stderr]     |
Dec 06 20:13:57.428 INFO [stderr]     = help: the trait `std::marker::Sized` is not implemented for `<unsync::Thunk<T> as std::ops::Deref>::Target`
Dec 06 20:13:57.428 INFO [stderr]     = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
Dec 06 20:13:57.428 INFO [stderr]     = help: consider adding a `where <unsync::Thunk<T> as std::ops::Deref>::Target: std::marker::Sized` bound
Dec 06 20:13:57.428 INFO [stderr]     = note: all function arguments must have a statically known size
Dec 06 20:13:57.428 INFO [stderr]     = help: unsized locals are gated as an unstable feature
Dec 06 20:13:57.428 INFO [stderr] 
Dec 06 20:13:57.428 INFO [stderr] error[E0277]: the size for values of type `<unsync::Thunk<T> as std::ops::Deref>::Target` cannot be known at compilation time
Dec 06 20:13:57.428 INFO [stderr]    --> src/unsync.rs:270:25
Dec 06 20:13:57.428 INFO [stderr]     |
Dec 06 20:13:57.428 INFO [stderr] 270 |         RcThunk(Rc::new(Thunk::computed(t)))
Dec 06 20:13:57.428 INFO [stderr]     |                         ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
Dec 06 20:13:57.428 INFO [stderr]     |
Dec 06 20:13:57.428 INFO [stderr]     = help: the trait `std::marker::Sized` is not implemented for `<unsync::Thunk<T> as std::ops::Deref>::Target`
Dec 06 20:13:57.428 INFO [stderr]     = note: to learn more, visit <https://doc.rust-lang.org/book/second-edition/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
Dec 06 20:13:57.429 INFO [stderr]     = help: consider adding a `where <unsync::Thunk<T> as std::ops::Deref>::Target: std::marker::Sized` bound
Dec 06 20:13:57.429 INFO [stderr]     = note: all function arguments must have a statically known size
Dec 06 20:13:57.429 INFO [stderr]     = help: unsized locals are gated as an unstable feature
Dec 06 20:13:57.429 INFO [stderr] 
Dec 06 20:13:57.432 INFO [stderr] error: aborting due to 4 previous errors
Dec 06 20:13:57.432 INFO [stderr] 
Dec 06 20:13:57.432 INFO [stderr] For more information about this error, try `rustc --explain E0277`.
Dec 06 20:13:57.439 INFO [stderr] error: Could not compile `thunk`.
Dec 06 20:13:57.439 INFO [stderr] 
Dec 06 20:13:57.439 INFO [stderr] To learn more, run the command again with --verbose.
Dec 06 20:13:57.440 INFO [stderr] su: No module specific data is present
Dec 06 20:13:58.743 INFO running `"docker" "inspect" "972f41c80818fdc5bb64782ee66f6fdff88c70c3252c05e5ab42d117600820cb"`
Dec 06 20:13:59.098 INFO running `"docker" "rm" "-f" "972f41c80818fdc5bb64782ee66f6fdff88c70c3252c05e5ab42d117600820cb"`
Dec 06 20:13:59.456 INFO [stdout] 972f41c80818fdc5bb64782ee66f6fdff88c70c3252c05e5ab42d117600820cb