[INFO] crate tetris_core 0.1.0 is already in cache
[INFO] extracting crate tetris_core 0.1.0 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/tetris_core/0.1.0
[INFO] extracting crate tetris_core 0.1.0 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/tetris_core/0.1.0
[INFO] validating manifest of tetris_core-0.1.0 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tetris_core-0.1.0 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tetris_core-0.1.0
[INFO] finished frobbing tetris_core-0.1.0
[INFO] frobbed toml for tetris_core-0.1.0 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/tetris_core/0.1.0/Cargo.toml
[INFO] started frobbing tetris_core-0.1.0
[INFO] finished frobbing tetris_core-0.1.0
[INFO] frobbed toml for tetris_core-0.1.0 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/tetris_core/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tetris_core-0.1.0 against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/tetris_core/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=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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 06b90736cd40bab6ff8d96393cc607423ad484f48ee54177928d065531d171d2
[INFO] running `"docker" "start" "-a" "06b90736cd40bab6ff8d96393cc607423ad484f48ee54177928d065531d171d2"`
[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 0.65s
[INFO] running `"docker" "inspect" "06b90736cd40bab6ff8d96393cc607423ad484f48ee54177928d065531d171d2"`
[INFO] running `"docker" "rm" "-f" "06b90736cd40bab6ff8d96393cc607423ad484f48ee54177928d065531d171d2"`
[INFO] [stdout] 06b90736cd40bab6ff8d96393cc607423ad484f48ee54177928d065531d171d2