[INFO] cloning repository https://github.com/nakakura/DesignPatterns_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nakakura/DesignPatterns_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakakura%2FDesignPatterns_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakakura%2FDesignPatterns_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 229a58974eafe9b5bb92ee74fcb5a11d41bfc910
[INFO] checking nakakura/DesignPatterns_Rust against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakakura%2FDesignPatterns_Rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nakakura/DesignPatterns_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/nakakura/DesignPatterns_Rust
[INFO] finished tweaking git repo https://github.com/nakakura/DesignPatterns_Rust
[INFO] tweaked toml for git repo https://github.com/nakakura/DesignPatterns_Rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/nakakura/DesignPatterns_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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 960b5054aa7ad3bc49b2199ebc895d73c1b1dd5a4e58576452af59e0053b2130
[INFO] running `Command { std: "docker" "start" "-a" "960b5054aa7ad3bc49b2199ebc895d73c1b1dd5a4e58576452af59e0053b2130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "960b5054aa7ad3bc49b2199ebc895d73c1b1dd5a4e58576452af59e0053b2130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "960b5054aa7ad3bc49b2199ebc895d73c1b1dd5a4e58576452af59e0053b2130", kill_on_drop: false }`
[INFO] [stdout] 960b5054aa7ad3bc49b2199ebc895d73c1b1dd5a4e58576452af59e0053b2130
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d90248ffe59d57ad1135fdcb568a8db9c40a14ca37919318c93a367c4ed6c8cb
[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" "d90248ffe59d57ad1135fdcb568a8db9c40a14ca37919318c93a367c4ed6c8cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking designpattern_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/strategy/main.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | type BinaryFn<T> = Fn(T, T) -> T;
[INFO] [stdout]   |                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T, T) -> T`
[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/template/main.rs:126:41
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn create_factory(id: FactoryID) -> Box<AbstractFactory> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AbstractFactory`
[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/strategy/main.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | type BinaryFn<T> = Fn(T, T) -> T;
[INFO] [stdout]   |                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T, T) -> T`
[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/template/main.rs:126:41
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn create_factory(id: FactoryID) -> Box<AbstractFactory> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AbstractFactory`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `Command { std: "docker" "inspect" "d90248ffe59d57ad1135fdcb568a8db9c40a14ca37919318c93a367c4ed6c8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90248ffe59d57ad1135fdcb568a8db9c40a14ca37919318c93a367c4ed6c8cb", kill_on_drop: false }`
[INFO] [stdout] d90248ffe59d57ad1135fdcb568a8db9c40a14ca37919318c93a367c4ed6c8cb