[INFO] crate bottle 0.1.0 is already in cache
[INFO] extracting crate bottle 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/bottle/0.1.0
[INFO] extracting crate bottle 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bottle/0.1.0
[INFO] validating manifest of bottle-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bottle-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bottle-0.1.0
[INFO] finished frobbing bottle-0.1.0
[INFO] frobbed toml for bottle-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/bottle/0.1.0/Cargo.toml
[INFO] started frobbing bottle-0.1.0
[INFO] finished frobbing bottle-0.1.0
[INFO] frobbed toml for bottle-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bottle/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bottle-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/bottle/0.1.0:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1a47447f2222771780932f69600e4bd31967cd8eac84b5ad33a30463ae6d5bf3
[INFO] running `"docker" "start" "-a" "1a47447f2222771780932f69600e4bd31967cd8eac84b5ad33a30463ae6d5bf3"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling bottle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/thread/mod.rs:127:4
[INFO] [stderr]     |
[INFO] [stderr] 127 |             ///println!("waiting for query.");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 128 |             let mut query = self.input.recv().unwrap();
[INFO] [stderr]     |             ------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(thread_local, coerce_unsized, unsize, box_into_raw_non_null, dispatch_from_dyn, allocator_api, dropck_eyepatch, bind_by_move_pattern_guards)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `handle_alloc_error`
[INFO] [stderr]  --> src/remote/mod.rs:7:41
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::alloc::{Global, Alloc, Layout, handle_alloc_error};
[INFO] [stderr]   |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Handler`, `Signal`
[INFO] [stderr]  --> src/thread/mod.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{Signal, Handler, Remote, Future};
[INFO] [stderr]   |             ^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/thread/mod.rs:14:49
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub(crate) static mut USER_DATA: Option<Vec<Box<Any>>> = None;
[INFO] [stderr]    |                                                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/thread/mod.rs:24:36
[INFO] [stderr]    |
[INFO] [stderr] 24 |     mx: crossbeam_channel::Sender<Box<Query>>,
[INFO] [stderr]    |                                       ^^^^^ help: use `dyn`: `dyn Query`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/thread/mod.rs:27:41
[INFO] [stderr]    |
[INFO] [stderr] 27 |     input: crossbeam_channel::Receiver<Box<Query>>,
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Query`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/thread/mod.rs:75:41
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn process_query(&self, mut query: Box<Query>) {
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Query`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/thread/mod.rs:153:62
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn find_user_data<F, T>(f: F) -> Option<T> where F: Fn(&Any) -> Option<T> {
[INFO] [stderr]     |                                                                 ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/scheduler.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::UnsafeCell`
[INFO] [stderr]  --> src/scheduler.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cell::UnsafeCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emit.rs:22:23
[INFO] [stderr]    |
[INFO] [stderr] 22 |     actor: WeakRemote<Handler<S>>
[INFO] [stderr]    |                       ^^^^^^^^^^ help: use `dyn`: `dyn Handler<S>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/emit.rs:56:23
[INFO] [stderr]    |
[INFO] [stderr] 56 |     actor: WeakRemote<MutHandler<S>>
[INFO] [stderr]    |                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn MutHandler<S>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `bottle`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1a47447f2222771780932f69600e4bd31967cd8eac84b5ad33a30463ae6d5bf3"`
[INFO] running `"docker" "rm" "-f" "1a47447f2222771780932f69600e4bd31967cd8eac84b5ad33a30463ae6d5bf3"`
[INFO] [stdout] 1a47447f2222771780932f69600e4bd31967cd8eac84b5ad33a30463ae6d5bf3