[INFO] cloning repository etoledom/tetris_core
[INFO] running `"git" "clone" "--bare" "git://github.com/etoledom/tetris_core.git" "work/cache/sources/gh/etoledom/tetris_core"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/etoledom/tetris_core'...
[INFO] running `"git" "clone" "work/cache/sources/gh/etoledom/tetris_core" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/etoledom/tetris_core"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/etoledom/tetris_core'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/etoledom/tetris_core" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/etoledom/tetris_core"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of etoledom/tetris_core on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-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-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking etoledom/tetris_core against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-6/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ac8ce260a7cc92467093c5da93b51230b3e156572ed69939f793710950e99d4f
[INFO] running `"docker" "start" "-a" "ac8ce260a7cc92467093c5da93b51230b3e156572ed69939f793710950e99d4f"`
[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: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] 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "ac8ce260a7cc92467093c5da93b51230b3e156572ed69939f793710950e99d4f"`
[INFO] running `"docker" "rm" "-f" "ac8ce260a7cc92467093c5da93b51230b3e156572ed69939f793710950e99d4f"`
[INFO] [stdout] ac8ce260a7cc92467093c5da93b51230b3e156572ed69939f793710950e99d4f