[INFO] fetching crate tetris_core 0.2.0...
[INFO] checking tetris_core-0.2.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate tetris_core 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tetris_core 0.2.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tetris_core 0.2.0
[INFO] finished tweaking crates.io crate tetris_core 0.2.0
[INFO] tweaked toml for crates.io crate tetris_core 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0652f2758bb0431f0b258dd9d32c1bbdd63916b8aae5277e1555254640d54c73
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0652f2758bb0431f0b258dd9d32c1bbdd63916b8aae5277e1555254640d54c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0652f2758bb0431f0b258dd9d32c1bbdd63916b8aae5277e1555254640d54c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0652f2758bb0431f0b258dd9d32c1bbdd63916b8aae5277e1555254640d54c73", kill_on_drop: false }`
[INFO] [stdout] 0652f2758bb0431f0b258dd9d32c1bbdd63916b8aae5277e1555254640d54c73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0508fd2ed8b16298be9f63d46e789695985ab6ba8c14720d36ff44d229a980b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a0508fd2ed8b16298be9f63d46e789695985ab6ba8c14720d36ff44d229a980b", kill_on_drop: false }`
[INFO] [stderr]     Checking tetris_core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |     randomizer: Box<Randomizer + 'static>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Randomizer + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(size: &Size, randomizer: Box<Randomizer + 'static>) -> Game {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Randomizer + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:56:56
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn random_figure(position: Point, randomizer: &Box<Randomizer + 'static>) -> ActiveFigure {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Randomizer + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |     randomizer: Box<Randomizer + 'static>,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Randomizer + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:34:45
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn new(size: &Size, randomizer: Box<Randomizer + 'static>) -> Game {
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Randomizer + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/game.rs:56:56
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn random_figure(position: Point, randomizer: &Box<Randomizer + 'static>) -> ActiveFigure {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Randomizer + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/game.rs:441:32
[INFO] [stdout]     |
[INFO] [stdout] 441 |     fn get_randomizer() -> Box<Randomizer> {
[INFO] [stdout]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn Randomizer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "a0508fd2ed8b16298be9f63d46e789695985ab6ba8c14720d36ff44d229a980b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0508fd2ed8b16298be9f63d46e789695985ab6ba8c14720d36ff44d229a980b", kill_on_drop: false }`
[INFO] [stdout] a0508fd2ed8b16298be9f63d46e789695985ab6ba8c14720d36ff44d229a980b