[INFO] updating cached repository unixpickle/locky-puzzle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/unixpickle/locky-puzzle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/unixpickle/locky-puzzle" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/unixpickle/locky-puzzle"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/unixpickle/locky-puzzle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/unixpickle/locky-puzzle" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/unixpickle/locky-puzzle"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/unixpickle/locky-puzzle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d32998ca9bb9c21cd261a4fa8e579f5593f3fef
[INFO] sha for GitHub repo unixpickle/locky-puzzle: 5d32998ca9bb9c21cd261a4fa8e579f5593f3fef
[INFO] validating manifest of unixpickle/locky-puzzle on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of unixpickle/locky-puzzle on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing unixpickle/locky-puzzle
[INFO] finished frobbing unixpickle/locky-puzzle
[INFO] frobbed toml for unixpickle/locky-puzzle written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/unixpickle/locky-puzzle/Cargo.toml
[INFO] started frobbing unixpickle/locky-puzzle
[INFO] finished frobbing unixpickle/locky-puzzle
[INFO] frobbed toml for unixpickle/locky-puzzle written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/unixpickle/locky-puzzle/Cargo.toml
[INFO] crate unixpickle/locky-puzzle already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking unixpickle/locky-puzzle against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/unixpickle/locky-puzzle:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 867e508d2d631d9729c408a5ce7383e8e816880e01c5f4b8a4b12e9cae94151c
[INFO] running `"docker" "start" "-a" "867e508d2d631d9729c408a5ce7383e8e816880e01c5f4b8a4b12e9cae94151c"`
[INFO] [stderr]     Checking bitflags v1.0.2
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking locky-puzzle v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/heuristic.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Heuristic for Box<Heuristic> {
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[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/heuristic.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl<'a> Heuristic for &'a Heuristic {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/multi_step.rs:77:38
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let combo1 = MaxHeuristic::<&Heuristic>(vec![&self.arrow, &self.co_fb, &self.co_rl,
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/multi_step.rs:84:38
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let combo2 = MaxHeuristic::<&Heuristic>(vec![&self.arrow, &self.corner]);
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/multi_step.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |         h: &Heuristic,
[INFO] [stderr]     |             ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/thread.rs:26:29
[INFO] [stderr]    |
[INFO] [stderr] 26 |             transmute::<Box<FnMut() + Send + 'a>, _>(boxed)
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/thread.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn spawn_static(mut f: Box<FnMut() + Send + 'static>) -> ThreadScope<'a> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/heuristic.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 | impl Heuristic for Box<Heuristic> {
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[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/heuristic.rs:21:28
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl<'a> Heuristic for &'a Heuristic {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/multi_step.rs:77:38
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let combo1 = MaxHeuristic::<&Heuristic>(vec![&self.arrow, &self.co_fb, &self.co_rl,
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/multi_step.rs:84:38
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let combo2 = MaxHeuristic::<&Heuristic>(vec![&self.arrow, &self.corner]);
[INFO] [stderr]    |                                      ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/multi_step.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr] 102 |         h: &Heuristic,
[INFO] [stderr]     |             ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/thread.rs:26:29
[INFO] [stderr]    |
[INFO] [stderr] 26 |             transmute::<Box<FnMut() + Send + 'a>, _>(boxed)
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/thread.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn spawn_static(mut f: Box<FnMut() + Send + 'static>) -> ThreadScope<'a> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tools/solve/heuristic.rs:14:74
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn make_heuristic(args: &HeuristicArgs) -> Receiver<MaxHeuristic<Box<Heuristic>>> {
[INFO] [stderr]    |                                                                          ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[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/tools/solve/heuristic.rs:37:59
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let (send_agg, recv_agg) = channel::<MaxHeuristic<Box<Heuristic>>>();
[INFO] [stderr]    |                                                           ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tools/solve/heuristic.rs:39:33
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let heuristics: Vec<Box<Heuristic>> = recv_individual.into_iter().collect();
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tools/solve/heuristic.rs:45:73
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn make_proj_heuristic<P: Proj + 'static>(depth: u8, sender: Sender<Box<Heuristic>>) {
[INFO] [stderr]    |                                                                         ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tools/solve/heuristic.rs:14:74
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn make_heuristic(args: &HeuristicArgs) -> Receiver<MaxHeuristic<Box<Heuristic>>> {
[INFO] [stderr]    |                                                                          ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[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/tools/solve/heuristic.rs:37:59
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let (send_agg, recv_agg) = channel::<MaxHeuristic<Box<Heuristic>>>();
[INFO] [stderr]    |                                                           ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tools/solve/heuristic.rs:39:33
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let heuristics: Vec<Box<Heuristic>> = recv_individual.into_iter().collect();
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tools/solve/heuristic.rs:45:73
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn make_proj_heuristic<P: Proj + 'static>(depth: u8, sender: Sender<Box<Heuristic>>) {
[INFO] [stderr]    |                                                                         ^^^^^^^^^ help: use `dyn`: `dyn Heuristic`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.68s
[INFO] running `"docker" "inspect" "867e508d2d631d9729c408a5ce7383e8e816880e01c5f4b8a4b12e9cae94151c"`
[INFO] running `"docker" "rm" "-f" "867e508d2d631d9729c408a5ce7383e8e816880e01c5f4b8a4b12e9cae94151c"`
[INFO] [stdout] 867e508d2d631d9729c408a5ce7383e8e816880e01c5f4b8a4b12e9cae94151c