[INFO] cloning repository https://github.com/slavam2605/cnn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slavam2605/cnn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslavam2605%2Fcnn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslavam2605%2Fcnn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8496c7182ebd52c1c763aee0475dcc01df866de7
[INFO] checking slavam2605/cnn against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslavam2605%2Fcnn" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slavam2605/cnn 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/slavam2605/cnn
[INFO] finished tweaking git repo https://github.com/slavam2605/cnn
[INFO] tweaked toml for git repo https://github.com/slavam2605/cnn written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/slavam2605/cnn 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 80fdea861d66e8525a9f6b56527ad03c6f22e2c49e87d4149e5e48282a7ab4c7
[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" "80fdea861d66e8525a9f6b56527ad03c6f22e2c49e87d4149e5e48282a7ab4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80fdea861d66e8525a9f6b56527ad03c6f22e2c49e87d4149e5e48282a7ab4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80fdea861d66e8525a9f6b56527ad03c6f22e2c49e87d4149e5e48282a7ab4c7", kill_on_drop: false }`
[INFO] [stdout] 80fdea861d66e8525a9f6b56527ad03c6f22e2c49e87d4149e5e48282a7ab4c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 0866f8ec780d3eb2d4c9102328b0e68e608b10deee87eb04cd176e84d99e4adf
[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" "0866f8ec780d3eb2d4c9102328b0e68e608b10deee87eb04cd176e84d99e4adf", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking cnn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cnn.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     layers: Vec<Rc<RefCell<Box<NetworkLayer>>>>
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkLayer`
[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/cnn.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let layer: Rc<RefCell<Box<NetworkLayer>>> = Rc::new(RefCell::new(box FullLayer::new(2, &result.layers[0])));
[INFO] [stdout]    |                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkLayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cnn.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let layer: Rc<RefCell<Box<NetworkLayer>>> = Rc::new(RefCell::new(box FullLayer::new(2, &result.layers[1])));
[INFO] [stdout]    |                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkLayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cnn.rs:43:35
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let layer: Rc<RefCell<Box<NetworkLayer>>> = Rc::new(RefCell::new(box FullLayer::new(2, &result.layers[2])));
[INFO] [stdout]    |                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkLayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/full_layer.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     prev: Rc<RefCell<Box<NetworkLayer>>>,
[INFO] [stdout]   |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkLayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/full_layer.rs:19:48
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(n: usize, prev: &Rc<RefCell<Box<NetworkLayer>>>) -> FullLayer {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkLayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cnn.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     layers: Vec<Rc<RefCell<Box<NetworkLayer>>>>
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkLayer`
[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/cnn.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let layer: Rc<RefCell<Box<NetworkLayer>>> = Rc::new(RefCell::new(box FullLayer::new(2, &result.layers[0])));
[INFO] [stdout]    |                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkLayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cnn.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let layer: Rc<RefCell<Box<NetworkLayer>>> = Rc::new(RefCell::new(box FullLayer::new(2, &result.layers[1])));
[INFO] [stdout]    |                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkLayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cnn.rs:43:35
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let layer: Rc<RefCell<Box<NetworkLayer>>> = Rc::new(RefCell::new(box FullLayer::new(2, &result.layers[2])));
[INFO] [stdout]    |                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkLayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/full_layer.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     prev: Rc<RefCell<Box<NetworkLayer>>>,
[INFO] [stdout]   |                          ^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkLayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/full_layer.rs:19:48
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(n: usize, prev: &Rc<RefCell<Box<NetworkLayer>>>) -> FullLayer {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^ help: use `dyn`: `dyn NetworkLayer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cnn`
[INFO] [stdout] error: aborting due to 3 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0866f8ec780d3eb2d4c9102328b0e68e608b10deee87eb04cd176e84d99e4adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0866f8ec780d3eb2d4c9102328b0e68e608b10deee87eb04cd176e84d99e4adf", kill_on_drop: false }`
[INFO] [stdout] 0866f8ec780d3eb2d4c9102328b0e68e608b10deee87eb04cd176e84d99e4adf