[INFO] fetching crate zeerust 0.2.1...
[INFO] checking zeerust-0.2.1 against beta for pr-78714
[INFO] extracting crate zeerust 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate zeerust 0.2.1 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 crates.io crate zeerust 0.2.1
[INFO] finished tweaking crates.io crate zeerust 0.2.1
[INFO] tweaked toml for crates.io crate zeerust 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 418c2c3edb5f18fa29b834469ed8c379da692c865f1ac797f4cb65ee91aa04a7
[INFO] running `Command { std: "docker" "start" "-a" "418c2c3edb5f18fa29b834469ed8c379da692c865f1ac797f4cb65ee91aa04a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "418c2c3edb5f18fa29b834469ed8c379da692c865f1ac797f4cb65ee91aa04a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "418c2c3edb5f18fa29b834469ed8c379da692c865f1ac797f4cb65ee91aa04a7", kill_on_drop: false }`
[INFO] [stdout] 418c2c3edb5f18fa29b834469ed8c379da692c865f1ac797f4cb65ee91aa04a7
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30b4566f32c7d520517bbe134b7c318aa547bdf35bd09100d834a63ee1f0413a
[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" "30b4566f32c7d520517bbe134b7c318aa547bdf35bd09100d834a63ee1f0413a", kill_on_drop: false }`
[INFO] [stderr]    Compiling enum-display-derive v0.1.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking zeerust v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/z80/io.rs:29:60
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn install_input(&mut self, index: u8, device: Box<InputDevice>) {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^ help: use `dyn`: `dyn InputDevice`
[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/z80/io.rs:42:61
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn install_output(&mut self, index: u8, device: Box<OutputDevice>) {
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^ help: use `dyn`: `dyn OutputDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/z80/mod.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 |     input_devices: HashMap<u8, Box<io::InputDevice>>,
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::InputDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/z80/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |     output_devices: HashMap<u8, Box<io::OutputDevice>>,
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::OutputDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/z80/io.rs:29:60
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn install_input(&mut self, index: u8, device: Box<InputDevice>) {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^ help: use `dyn`: `dyn InputDevice`
[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/z80/io.rs:42:61
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn install_output(&mut self, index: u8, device: Box<OutputDevice>) {
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^ help: use `dyn`: `dyn OutputDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/z80/mod.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 |     input_devices: HashMap<u8, Box<io::InputDevice>>,
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::InputDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/z80/mod.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |     output_devices: HashMap<u8, Box<io::OutputDevice>>,
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::OutputDevice`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.55s
[INFO] running `Command { std: "docker" "inspect" "30b4566f32c7d520517bbe134b7c318aa547bdf35bd09100d834a63ee1f0413a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30b4566f32c7d520517bbe134b7c318aa547bdf35bd09100d834a63ee1f0413a", kill_on_drop: false }`
[INFO] [stdout] 30b4566f32c7d520517bbe134b7c318aa547bdf35bd09100d834a63ee1f0413a