[INFO] cloning repository https://github.com/deckarep/flappy-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deckarep/flappy-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeckarep%2Fflappy-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeckarep%2Fflappy-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb833582e9eb5c53fd9bc3f858467cca74e942d7
[INFO] checking deckarep/flappy-rust against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeckarep%2Fflappy-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deckarep/flappy-rust on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deckarep/flappy-rust
[INFO] finished tweaking git repo https://github.com/deckarep/flappy-rust
[INFO] tweaked toml for git repo https://github.com/deckarep/flappy-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/deckarep/flappy-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fc50ed929363fab40314e9dac21dd7e8895c27c417787283d64a8f81cd535a5
[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" "2fc50ed929363fab40314e9dac21dd7e8895c27c417787283d64a8f81cd535a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc50ed929363fab40314e9dac21dd7e8895c27c417787283d64a8f81cd535a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc50ed929363fab40314e9dac21dd7e8895c27c417787283d64a8f81cd535a5", kill_on_drop: false }`
[INFO] [stdout] 2fc50ed929363fab40314e9dac21dd7e8895c27c417787283d64a8f81cd535a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5363483a0081305f5fb258ea3e7e5f722377ad22628841d55be533766c09e54
[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" "f5363483a0081305f5fb258ea3e7e5f722377ad22628841d55be533766c09e54", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling sdl2-sys v0.27.3
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking c_vec v1.0.12
[INFO] [stderr]     Checking lazy_static v0.2.6
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking sdl2 v0.29.1
[INFO] [stderr]     Checking flappy-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     children: Vec<Rc<RefCell<Displayable>>>,
[INFO] [stdout]    |                              ^^^^^^^^^^^ help: use `dyn`: `dyn Displayable`
[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/scene.rs:51:42
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut children: Vec<Rc<RefCell<Displayable>>> = Vec::new();
[INFO] [stdout]    |                                          ^^^^^^^^^^^ help: use `dyn`: `dyn Displayable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:85:51
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn add_child(&mut self, child: Rc<RefCell<Displayable>>) {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^ help: use `dyn`: `dyn Displayable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     children: Vec<Rc<RefCell<Displayable>>>,
[INFO] [stdout]    |                              ^^^^^^^^^^^ help: use `dyn`: `dyn Displayable`
[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/scene.rs:51:42
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut children: Vec<Rc<RefCell<Displayable>>> = Vec::new();
[INFO] [stdout]    |                                          ^^^^^^^^^^^ help: use `dyn`: `dyn Displayable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/scene.rs:85:51
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn add_child(&mut self, child: Rc<RefCell<Displayable>>) {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^ help: use `dyn`: `dyn Displayable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "f5363483a0081305f5fb258ea3e7e5f722377ad22628841d55be533766c09e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5363483a0081305f5fb258ea3e7e5f722377ad22628841d55be533766c09e54", kill_on_drop: false }`
[INFO] [stdout] f5363483a0081305f5fb258ea3e7e5f722377ad22628841d55be533766c09e54