[INFO] updating cached repository etoledom/tetris_core
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/etoledom/tetris_core
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/etoledom/tetris_core" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/etoledom/tetris_core"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/etoledom/tetris_core'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/etoledom/tetris_core" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/etoledom/tetris_core"`
[INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/etoledom/tetris_core'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d170d1b3ef962c3d6bc5575d4e49e3fbef385d9d
[INFO] sha for GitHub repo etoledom/tetris_core: d170d1b3ef962c3d6bc5575d4e49e3fbef385d9d
[INFO] validating manifest of etoledom/tetris_core on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of etoledom/tetris_core on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing etoledom/tetris_core
[INFO] finished frobbing etoledom/tetris_core
[INFO] frobbed toml for etoledom/tetris_core written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/etoledom/tetris_core/Cargo.toml
[INFO] started frobbing etoledom/tetris_core
[INFO] finished frobbing etoledom/tetris_core
[INFO] frobbed toml for etoledom/tetris_core written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/etoledom/tetris_core/Cargo.toml
[INFO] crate etoledom/tetris_core already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking etoledom/tetris_core against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-3/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/etoledom/tetris_core:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f21f1d9cd29f50e69867f3aa8b3f40c0262dc2ef610b407d499443b3f02bf17f
[INFO] running `"docker" "start" "-a" "f21f1d9cd29f50e69867f3aa8b3f40c0262dc2ef610b407d499443b3f02bf17f"`
[INFO] [stderr]     Checking tetris_core v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |     randomizer: Box<Randomizer + 'static>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Randomizer + 'static`
[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/game.rs:27:45
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new(size: &Size, randomizer: Box<Randomizer + 'static>) -> Game {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Randomizer + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:49:56
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn random_figure(position: Point, randomizer: &Box<Randomizer + 'static>) -> ActiveFigure {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Randomizer + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:22:21
[INFO] [stderr]    |
[INFO] [stderr] 22 |     randomizer: Box<Randomizer + 'static>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Randomizer + 'static`
[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/game.rs:27:45
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new(size: &Size, randomizer: Box<Randomizer + 'static>) -> Game {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Randomizer + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:49:56
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn random_figure(position: Point, randomizer: &Box<Randomizer + 'static>) -> ActiveFigure {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Randomizer + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/game.rs:419:44
[INFO] [stderr]     |
[INFO] [stderr] 419 |     fn get_randomizer(_number: i32) -> Box<Randomizer> {
[INFO] [stderr]     |                                            ^^^^^^^^^^ help: use `dyn`: `dyn Randomizer`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "f21f1d9cd29f50e69867f3aa8b3f40c0262dc2ef610b407d499443b3f02bf17f"`
[INFO] running `"docker" "rm" "-f" "f21f1d9cd29f50e69867f3aa8b3f40c0262dc2ef610b407d499443b3f02bf17f"`
[INFO] [stdout] f21f1d9cd29f50e69867f3aa8b3f40c0262dc2ef610b407d499443b3f02bf17f