[INFO] fetching crate synfuzz 0.1.0...
[INFO] testing synfuzz-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate synfuzz 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate synfuzz 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synfuzz 0.1.0
[INFO] finished tweaking crates.io crate synfuzz 0.1.0
[INFO] tweaked toml for crates.io crate synfuzz 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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-2020-10-09" "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] 2b25cd0e9b12d0f8b0dee71e2cd26f941d568e37c9047d25085900da52f4155b
[INFO] running `Command { std: "docker" "start" "-a" "2b25cd0e9b12d0f8b0dee71e2cd26f941d568e37c9047d25085900da52f4155b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b25cd0e9b12d0f8b0dee71e2cd26f941d568e37c9047d25085900da52f4155b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b25cd0e9b12d0f8b0dee71e2cd26f941d568e37c9047d25085900da52f4155b", kill_on_drop: false }`
[INFO] [stdout] 2b25cd0e9b12d0f8b0dee71e2cd26f941d568e37c9047d25085900da52f4155b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8807689f2afb7d1d3c51e4888aa0ac7aab0d65c99f22f8d06a49cfb474d8ed3c
[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" "8807689f2afb7d1d3c51e4888aa0ac7aab0d65c99f22f8d06a49cfb474d8ed3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling synfuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combinator.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub choices: Vec<Box<Generator>>,
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[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/combinator.rs:55:32
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn choice(choices: Vec<Box<Generator>>) -> impl Generator {
[INFO] [stdout]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combinator.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub generator: Box<Generator>,
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combinator.rs:90:24
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub generator: Box<Generator>,
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:119:24
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:157:47
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub rules: Arc<RwLock<HashMap<String, Box<Generator>>>>,
[INFO] [stdout]     |                                               ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:212:38
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub type Rules = HashMap<String, Box<Generator>>;
[INFO] [stdout]     |                                      ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:220:29
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub generators: Vec<Box<Generator>>,
[INFO] [stdout]     |                             ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:238:32
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub fn seq(generators: Vec<Box<Generator>>) -> impl Generator {
[INFO] [stdout]     |                                ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:249:24
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:288:24
[INFO] [stdout]     |
[INFO] [stdout] 288 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:323:29
[INFO] [stdout]     |
[INFO] [stdout] 323 |     pub generators: Vec<Box<Generator>>,
[INFO] [stdout]     |                             ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:324:24
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub delimiter: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:357:25
[INFO] [stdout]     |
[INFO] [stdout] 357 |     generators: Vec<Box<Generator>>,
[INFO] [stdout]     |                         ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:371:24
[INFO] [stdout]     |
[INFO] [stdout] 371 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:372:24
[INFO] [stdout]     |
[INFO] [stdout] 372 |     pub separator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:418:24
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:419:24
[INFO] [stdout]     |
[INFO] [stdout] 419 |     pub separator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:465:24
[INFO] [stdout]     |
[INFO] [stdout] 465 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "8807689f2afb7d1d3c51e4888aa0ac7aab0d65c99f22f8d06a49cfb474d8ed3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8807689f2afb7d1d3c51e4888aa0ac7aab0d65c99f22f8d06a49cfb474d8ed3c", kill_on_drop: false }`
[INFO] [stdout] 8807689f2afb7d1d3c51e4888aa0ac7aab0d65c99f22f8d06a49cfb474d8ed3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4748c5d547f7f5d282573c43d3da40e93ad179d5f52adc18c2611c7478c7d350
[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" "4748c5d547f7f5d282573c43d3da40e93ad179d5f52adc18c2611c7478c7d350", kill_on_drop: false }`
[INFO] [stderr]    Compiling synfuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combinator.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub choices: Vec<Box<Generator>>,
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[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/combinator.rs:55:32
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn choice(choices: Vec<Box<Generator>>) -> impl Generator {
[INFO] [stdout]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combinator.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub generator: Box<Generator>,
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combinator.rs:90:24
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub generator: Box<Generator>,
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:119:24
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:157:47
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub rules: Arc<RwLock<HashMap<String, Box<Generator>>>>,
[INFO] [stdout]     |                                               ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:212:38
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub type Rules = HashMap<String, Box<Generator>>;
[INFO] [stdout]     |                                      ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:220:29
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub generators: Vec<Box<Generator>>,
[INFO] [stdout]     |                             ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:238:32
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub fn seq(generators: Vec<Box<Generator>>) -> impl Generator {
[INFO] [stdout]     |                                ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:249:24
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:288:24
[INFO] [stdout]     |
[INFO] [stdout] 288 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:323:29
[INFO] [stdout]     |
[INFO] [stdout] 323 |     pub generators: Vec<Box<Generator>>,
[INFO] [stdout]     |                             ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:324:24
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub delimiter: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:357:25
[INFO] [stdout]     |
[INFO] [stdout] 357 |     generators: Vec<Box<Generator>>,
[INFO] [stdout]     |                         ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:371:24
[INFO] [stdout]     |
[INFO] [stdout] 371 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:372:24
[INFO] [stdout]     |
[INFO] [stdout] 372 |     pub separator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:418:24
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:419:24
[INFO] [stdout]     |
[INFO] [stdout] 419 |     pub separator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:465:24
[INFO] [stdout]     |
[INFO] [stdout] 465 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/expression.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combinator.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub choices: Vec<Box<Generator>>,
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[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/combinator.rs:55:32
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn choice(choices: Vec<Box<Generator>>) -> impl Generator {
[INFO] [stdout]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combinator.rs:62:24
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub generator: Box<Generator>,
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/combinator.rs:90:24
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub generator: Box<Generator>,
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:119:24
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:157:47
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub rules: Arc<RwLock<HashMap<String, Box<Generator>>>>,
[INFO] [stdout]     |                                               ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:212:38
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub type Rules = HashMap<String, Box<Generator>>;
[INFO] [stdout]     |                                      ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:220:29
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub generators: Vec<Box<Generator>>,
[INFO] [stdout]     |                             ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:238:32
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub fn seq(generators: Vec<Box<Generator>>) -> impl Generator {
[INFO] [stdout]     |                                ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:249:24
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:288:24
[INFO] [stdout]     |
[INFO] [stdout] 288 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:323:29
[INFO] [stdout]     |
[INFO] [stdout] 323 |     pub generators: Vec<Box<Generator>>,
[INFO] [stdout]     |                             ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:324:24
[INFO] [stdout]     |
[INFO] [stdout] 324 |     pub delimiter: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:357:25
[INFO] [stdout]     |
[INFO] [stdout] 357 |     generators: Vec<Box<Generator>>,
[INFO] [stdout]     |                         ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:371:24
[INFO] [stdout]     |
[INFO] [stdout] 371 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:372:24
[INFO] [stdout]     |
[INFO] [stdout] 372 |     pub separator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:418:24
[INFO] [stdout]     |
[INFO] [stdout] 418 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:419:24
[INFO] [stdout]     |
[INFO] [stdout] 419 |     pub separator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/combinator.rs:465:24
[INFO] [stdout]     |
[INFO] [stdout] 465 |     pub generator: Box<Generator>,
[INFO] [stdout]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "4748c5d547f7f5d282573c43d3da40e93ad179d5f52adc18c2611c7478c7d350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4748c5d547f7f5d282573c43d3da40e93ad179d5f52adc18c2611c7478c7d350", kill_on_drop: false }`
[INFO] [stdout] 4748c5d547f7f5d282573c43d3da40e93ad179d5f52adc18c2611c7478c7d350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0a2d14623f8a9e94e1dcc462c546523ad1dc4c258e7776f38ec8e34f1d3962e
[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" "e0a2d14623f8a9e94e1dcc462c546523ad1dc4c258e7776f38ec8e34f1d3962e", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/combinator.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub choices: Vec<Box<Generator>>,
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[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/combinator.rs:55:32
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn choice(choices: Vec<Box<Generator>>) -> impl Generator {
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/combinator.rs:62:24
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub generator: Box<Generator>,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/combinator.rs:90:24
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub generator: Box<Generator>,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:119:24
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub generator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:157:47
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub rules: Arc<RwLock<HashMap<String, Box<Generator>>>>,
[INFO] [stderr]     |                                               ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:212:38
[INFO] [stderr]     |
[INFO] [stderr] 212 | pub type Rules = HashMap<String, Box<Generator>>;
[INFO] [stderr]     |                                      ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:220:29
[INFO] [stderr]     |
[INFO] [stderr] 220 |     pub generators: Vec<Box<Generator>>,
[INFO] [stderr]     |                             ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:238:32
[INFO] [stderr]     |
[INFO] [stderr] 238 | pub fn seq(generators: Vec<Box<Generator>>) -> impl Generator {
[INFO] [stderr]     |                                ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:249:24
[INFO] [stderr]     |
[INFO] [stderr] 249 |     pub generator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:288:24
[INFO] [stderr]     |
[INFO] [stderr] 288 |     pub generator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:323:29
[INFO] [stderr]     |
[INFO] [stderr] 323 |     pub generators: Vec<Box<Generator>>,
[INFO] [stderr]     |                             ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:324:24
[INFO] [stderr]     |
[INFO] [stderr] 324 |     pub delimiter: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:357:25
[INFO] [stderr]     |
[INFO] [stderr] 357 |     generators: Vec<Box<Generator>>,
[INFO] [stderr]     |                         ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:371:24
[INFO] [stderr]     |
[INFO] [stderr] 371 |     pub generator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:372:24
[INFO] [stderr]     |
[INFO] [stderr] 372 |     pub separator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:418:24
[INFO] [stderr]     |
[INFO] [stderr] 418 |     pub generator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:419:24
[INFO] [stderr]     |
[INFO] [stderr] 419 |     pub separator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:465:24
[INFO] [stderr]     |
[INFO] [stderr] 465 |     pub generator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/combinator.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub choices: Vec<Box<Generator>>,
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[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/combinator.rs:55:32
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn choice(choices: Vec<Box<Generator>>) -> impl Generator {
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/combinator.rs:62:24
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub generator: Box<Generator>,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/combinator.rs:90:24
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub generator: Box<Generator>,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:119:24
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub generator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:157:47
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub rules: Arc<RwLock<HashMap<String, Box<Generator>>>>,
[INFO] [stderr]     |                                               ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:212:38
[INFO] [stderr]     |
[INFO] [stderr] 212 | pub type Rules = HashMap<String, Box<Generator>>;
[INFO] [stderr]     |                                      ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:220:29
[INFO] [stderr]     |
[INFO] [stderr] 220 |     pub generators: Vec<Box<Generator>>,
[INFO] [stderr]     |                             ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:238:32
[INFO] [stderr]     |
[INFO] [stderr] 238 | pub fn seq(generators: Vec<Box<Generator>>) -> impl Generator {
[INFO] [stderr]     |                                ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:249:24
[INFO] [stderr]     |
[INFO] [stderr] 249 |     pub generator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:288:24
[INFO] [stderr]     |
[INFO] [stderr] 288 |     pub generator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:323:29
[INFO] [stderr]     |
[INFO] [stderr] 323 |     pub generators: Vec<Box<Generator>>,
[INFO] [stderr]     |                             ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:324:24
[INFO] [stderr]     |
[INFO] [stderr] 324 |     pub delimiter: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:357:25
[INFO] [stderr]     |
[INFO] [stderr] 357 |     generators: Vec<Box<Generator>>,
[INFO] [stderr]     |                         ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:371:24
[INFO] [stderr]     |
[INFO] [stderr] 371 |     pub generator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:372:24
[INFO] [stderr]     |
[INFO] [stderr] 372 |     pub separator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:418:24
[INFO] [stderr]     |
[INFO] [stderr] 418 |     pub generator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:419:24
[INFO] [stderr]     |
[INFO] [stderr] 419 |     pub separator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/combinator.rs:465:24
[INFO] [stderr]     |
[INFO] [stderr] 465 |     pub generator: Box<Generator>,
[INFO] [stderr]     |                        ^^^^^^^^^ help: use `dyn`: `dyn Generator`
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/expression.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/synfuzz-f064077eaafffce0
[INFO] [stdout] running 22 tests
[INFO] [stdout] test combinator::test::generate_choice ... ok
[INFO] [stdout] test combinator::test::generate_rule ... ok
[INFO] [stdout] test combinator::test::generate_repeatn ... ok
[INFO] [stdout] test combinator::test::generate_optional ... ok
[INFO] [stdout] test combinator::test::negate_choice ... ok
[INFO] [stdout] test combinator::test::negate_not ... ok
[INFO] [stdout] test value::tests::generate_byte ... ok
[INFO] [stdout] test value::tests::generate_ch ... ok
[INFO] [stdout] test value::tests::generate_char_range ... ok
[INFO] [stdout] test combinator::test::generate_not ... ok
[INFO] [stdout] test combinator::test::negate_optional ... ok
[INFO] [stdout] test value::tests::generate_string ... ok
[INFO] [stdout] test combinator::test::generate_many ... ok
[INFO] [stdout] test value::tests::generate_any ... ok
[INFO] [stdout] test combinator::test::negate_repeatn ... ok
[INFO] [stdout] test value::tests::negate_byte ... ok
[INFO] [stdout] test value::tests::negate_ch ... ok
[INFO] [stdout] test combinator::test::generate_many1 ... ok
[INFO] [stderr]    Doc-tests synfuzz
[INFO] [stdout] test combinator::test::negate_rule ... ok
[INFO] [stdout] test combinator::test::negate_many1 ... ok
[INFO] [stdout] test combinator::test::negate_many ... ok
[INFO] [stdout] test value::tests::negate_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e0a2d14623f8a9e94e1dcc462c546523ad1dc4c258e7776f38ec8e34f1d3962e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a2d14623f8a9e94e1dcc462c546523ad1dc4c258e7776f38ec8e34f1d3962e", kill_on_drop: false }`
[INFO] [stdout] e0a2d14623f8a9e94e1dcc462c546523ad1dc4c258e7776f38ec8e34f1d3962e
