[INFO] updating cached repository frostRed/head_first_design_patterns_rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/frostRed/head_first_design_patterns_rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/frostRed/head_first_design_patterns_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/frostRed/head_first_design_patterns_rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/frostRed/head_first_design_patterns_rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/frostRed/head_first_design_patterns_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/frostRed/head_first_design_patterns_rust"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/frostRed/head_first_design_patterns_rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 779447adaf64ad62404312d51b8363b8602c3552 [INFO] sha for GitHub repo frostRed/head_first_design_patterns_rust: 779447adaf64ad62404312d51b8363b8602c3552 [INFO] validating manifest of frostRed/head_first_design_patterns_rust on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of frostRed/head_first_design_patterns_rust on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing frostRed/head_first_design_patterns_rust [INFO] finished frobbing frostRed/head_first_design_patterns_rust [INFO] frobbed toml for frostRed/head_first_design_patterns_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/frostRed/head_first_design_patterns_rust/Cargo.toml [INFO] started frobbing frostRed/head_first_design_patterns_rust [INFO] finished frobbing frostRed/head_first_design_patterns_rust [INFO] frobbed toml for frostRed/head_first_design_patterns_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/frostRed/head_first_design_patterns_rust/Cargo.toml [INFO] crate frostRed/head_first_design_patterns_rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing frostRed/head_first_design_patterns_rust against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/frostRed/head_first_design_patterns_rust:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 118edda0d9717308703c861d72ba053135be8be6740bb65a6361ca63e9a899c4 [INFO] running `"docker" "start" "-a" "118edda0d9717308703c861d72ba053135be8be6740bb65a6361ca63e9a899c4"` [INFO] [stderr] Compiling head_first_design_patterns v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(vec_remove_item)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:19:48 [INFO] [stderr] | [INFO] [stderr] 19 | fn quack_behavior(&self) -> Rc>>; [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn QuackBehavior` [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/strategy.rs:24:46 [INFO] [stderr] | [INFO] [stderr] 24 | fn fly_behavior(&self) -> Rc>>; [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn FlyBehavior` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:29:50 [INFO] [stderr] | [INFO] [stderr] 29 | fn set_fly_behavior(&self, fly_behavior: Box) { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn FlyBehavior` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:83:36 [INFO] [stderr] | [INFO] [stderr] 83 | quack_behavior: Rc>>, [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn QuackBehavior` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:84:34 [INFO] [stderr] | [INFO] [stderr] 84 | fly_behavior: Rc>>, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn FlyBehavior` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:90:73 [INFO] [stderr] | [INFO] [stderr] 90 | let fly = Rc::new(RefCell::new(Box::new(FlyWithWings {}) as Box)); [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn FlyBehavior` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:91:68 [INFO] [stderr] | [INFO] [stderr] 91 | let quack = Rc::new(RefCell::new(Box::new(Quack {}) as Box)); [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn QuackBehavior` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:103:48 [INFO] [stderr] | [INFO] [stderr] 103 | fn quack_behavior(&self) -> Rc>> { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn QuackBehavior` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:106:46 [INFO] [stderr] | [INFO] [stderr] 106 | fn fly_behavior(&self) -> Rc>> { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn FlyBehavior` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:113:36 [INFO] [stderr] | [INFO] [stderr] 113 | quack_behavior: Rc>>, [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn QuackBehavior` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:114:34 [INFO] [stderr] | [INFO] [stderr] 114 | fly_behavior: Rc>>, [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn FlyBehavior` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:119:69 [INFO] [stderr] | [INFO] [stderr] 119 | let fly = Rc::new(RefCell::new(Box::new(FlyNoWay {}) as Box)); [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn FlyBehavior` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:120:68 [INFO] [stderr] | [INFO] [stderr] 120 | let quack = Rc::new(RefCell::new(Box::new(Quack {}) as Box)); [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn QuackBehavior` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:131:48 [INFO] [stderr] | [INFO] [stderr] 131 | fn quack_behavior(&self) -> Rc>> { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn QuackBehavior` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/strategy.rs:134:46 [INFO] [stderr] | [INFO] [stderr] 134 | fn fly_behavior(&self) -> Rc>> { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn FlyBehavior` [INFO] [stderr] [INFO] [stderr] warning: unused import: `Read` [INFO] [stderr] --> src/template_method.rs:5:21 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::{self, Read}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Beverage`, `DarkRost`, `Espresso`, `HouseBlend`, `Mocha`, `Soy`, `Whip` [INFO] [stderr] --> src/lib.rs:19:24 [INFO] [stderr] | [INFO] [stderr] 19 | use crate::decorator::{Beverage, DarkRost, Espresso, HouseBlend, Mocha, Soy, Whip}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^ ^^^^^^^^ ^^^^^^^^^^ ^^^^^ ^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ChicagoPizzaStore`, `NYPizzaStore`, `PizzaStore`, `Pizza` [INFO] [stderr] --> src/lib.rs:20:29 [INFO] [stderr] | [INFO] [stderr] 20 | use crate::factory_method::{ChicagoPizzaStore, NYPizzaStore, Pizza, PizzaStore}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^ ^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `CurrentConditionsDisplay`, `Subject`, `WeatherDate` [INFO] [stderr] --> src/lib.rs:21:23 [INFO] [stderr] | [INFO] [stderr] 21 | use crate::observer::{CurrentConditionsDisplay, Subject, WeatherDate}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^ ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `C`, `ChocolateBoiler` [INFO] [stderr] --> src/lib.rs:22:24 [INFO] [stderr] | [INFO] [stderr] 22 | use crate::singleton::{ChocolateBoiler, C}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ ^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Duck`, `FlyBehavior`, `FlyRocketPowered`, `MallardDuck`, `ModelDuck` [INFO] [stderr] --> src/lib.rs:23:23 [INFO] [stderr] | [INFO] [stderr] 23 | use crate::strategy::{Duck, FlyBehavior, FlyRocketPowered, MallardDuck, ModelDuck}; [INFO] [stderr] | ^^^^ ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `head_first_design_patterns`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "118edda0d9717308703c861d72ba053135be8be6740bb65a6361ca63e9a899c4"` [INFO] running `"docker" "rm" "-f" "118edda0d9717308703c861d72ba053135be8be6740bb65a6361ca63e9a899c4"` [INFO] [stdout] 118edda0d9717308703c861d72ba053135be8be6740bb65a6361ca63e9a899c4