[INFO] fetching crate cargo-culture-kit 1.0.0... [INFO] checking cargo-culture-kit-1.0.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920 [INFO] extracting crate cargo-culture-kit 1.0.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate cargo-culture-kit 1.0.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cargo-culture-kit 1.0.0 [INFO] finished tweaking crates.io crate cargo-culture-kit 1.0.0 [INFO] tweaked toml for crates.io crate cargo-culture-kit 1.0.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3da9bd7849cba9ea9b5a494706fbdad22c3f9d4b752433dd84ce920a09713a1d [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" "3da9bd7849cba9ea9b5a494706fbdad22c3f9d4b752433dd84ce920a09713a1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3da9bd7849cba9ea9b5a494706fbdad22c3f9d4b752433dd84ce920a09713a1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3da9bd7849cba9ea9b5a494706fbdad22c3f9d4b752433dd84ce920a09713a1d", kill_on_drop: false }` [INFO] [stdout] 3da9bd7849cba9ea9b5a494706fbdad22c3f9d4b752433dd84ce920a09713a1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ebf1ded5fab762cabeb9cfa8074eb3b19af897f16b0518f4858f6e788208527 [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" "3ebf1ded5fab762cabeb9cfa8074eb3b19af897f16b0518f4858f6e788208527", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking object v0.23.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking semver v0.9.0 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.7.2 [INFO] [stderr] Checking addr2line v0.14.1 [INFO] [stderr] Checking backtrace v0.3.58 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking cargo_metadata v0.5.8 [INFO] [stderr] Checking cargo-culture-kit v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/checklist.rs:87:32 [INFO] [stdout] | [INFO] [stdout] 87 | available_rules: &'rules [&Rule], [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/checklist.rs:88:25 [INFO] [stdout] | [INFO] [stdout] 88 | ) -> Result, FilterError> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/checklist.rs:128:28 [INFO] [stdout] | [INFO] [stdout] 128 | available_rules: &'r [&Rule], [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/checklist.rs:130:21 [INFO] [stdout] | [INFO] [stdout] 130 | ) -> Result, FilterError> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/checklist.rs:131:25 [INFO] [stdout] | [INFO] [stdout] 131 | let mut rules: Vec<&Rule> = Vec::with_capacity(desired_rule_descriptions.len()); [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules/builds_cleanly_without_warnings_or_errors.rs:118:24 [INFO] [stdout] | [INFO] [stdout] 118 | print_output: &mut Write, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules/builds_cleanly_without_warnings_or_errors.rs:161:24 [INFO] [stdout] | [INFO] [stdout] 161 | print_output: &mut Write, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules/mod.rs:82:31 [INFO] [stdout] | [INFO] [stdout] 82 | pub print_output: &'a mut Write, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules/mod.rs:87:35 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn default_rules() -> Vec> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:174:69 [INFO] [stdout] | [INFO] [stdout] 174 | let rule_refs = rules.iter().map(|r| r.as_ref()).collect::>(); [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:227:15 [INFO] [stdout] | [INFO] [stdout] 227 | rules: &[&Rule], [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:267:15 [INFO] [stdout] | [INFO] [stdout] 267 | rules: &[&Rule], [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:397:12 [INFO] [stdout] | [INFO] [stdout] 397 | rule: &Rule, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/checklist.rs:87:32 [INFO] [stdout] | [INFO] [stdout] 87 | available_rules: &'rules [&Rule], [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/checklist.rs:88:25 [INFO] [stdout] | [INFO] [stdout] 88 | ) -> Result, FilterError> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/checklist.rs:128:28 [INFO] [stdout] | [INFO] [stdout] 128 | available_rules: &'r [&Rule], [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/checklist.rs:130:21 [INFO] [stdout] | [INFO] [stdout] 130 | ) -> Result, FilterError> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/checklist.rs:131:25 [INFO] [stdout] | [INFO] [stdout] 131 | let mut rules: Vec<&Rule> = Vec::with_capacity(desired_rule_descriptions.len()); [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/checklist.rs:270:27 [INFO] [stdout] | [INFO] [stdout] 270 | let raw_rules: &[&Rule] = &[&rule_a, &rule_b]; [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/checklist.rs:296:27 [INFO] [stdout] | [INFO] [stdout] 296 | let raw_rules: &[&Rule] = &[&rule_a, &rule_b]; [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules/builds_cleanly_without_warnings_or_errors.rs:118:24 [INFO] [stdout] | [INFO] [stdout] 118 | print_output: &mut Write, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules/builds_cleanly_without_warnings_or_errors.rs:161:24 [INFO] [stdout] | [INFO] [stdout] 161 | print_output: &mut Write, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules/mod.rs:82:31 [INFO] [stdout] | [INFO] [stdout] 82 | pub print_output: &'a mut Write, [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules/mod.rs:87:35 [INFO] [stdout] | [INFO] [stdout] 87 | pub fn default_rules() -> Vec> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules/mod.rs:137:16 [INFO] [stdout] | [INFO] [stdout] 137 | rule: &Rule, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/rules/mod.rs:147:16 [INFO] [stdout] | [INFO] [stdout] 147 | rule: &Rule, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:174:69 [INFO] [stdout] | [INFO] [stdout] 174 | let rule_refs = rules.iter().map(|r| r.as_ref()).collect::>(); [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:227:15 [INFO] [stdout] | [INFO] [stdout] 227 | rules: &[&Rule], [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:267:15 [INFO] [stdout] | [INFO] [stdout] 267 | rules: &[&Rule], [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:397:12 [INFO] [stdout] | [INFO] [stdout] 397 | rule: &Rule, [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:497:64 [INFO] [stdout] | [INFO] [stdout] 497 | fn arb_rule()(rule in arb_predetermined_rule()) -> Box { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:498:24 [INFO] [stdout] | [INFO] [stdout] 498 | let b: Box = Box::new(rule); [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:503:60 [INFO] [stdout] | [INFO] [stdout] 503 | fn arb_vec_of_rules() -> VecStrategy>> { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:538:64 [INFO] [stdout] | [INFO] [stdout] 538 | ... .collect::>() [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Rule` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 20.53s [INFO] running `Command { std: "docker" "inspect" "3ebf1ded5fab762cabeb9cfa8074eb3b19af897f16b0518f4858f6e788208527", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ebf1ded5fab762cabeb9cfa8074eb3b19af897f16b0518f4858f6e788208527", kill_on_drop: false }` [INFO] [stdout] 3ebf1ded5fab762cabeb9cfa8074eb3b19af897f16b0518f4858f6e788208527