[INFO] fetching crate tiny-earley 0.1.0... [INFO] checking tiny-earley-0.1.0 against master#be181dd75c83d72fcc95538e235768bc367b76b9 for pr-140208 [INFO] extracting crate tiny-earley 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate tiny-earley 0.1.0 on toolchain be181dd75c83d72fcc95538e235768bc367b76b9 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tiny-earley 0.1.0 [INFO] finished tweaking crates.io crate tiny-earley 0.1.0 [INFO] tweaked toml for crates.io crate tiny-earley 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate tiny-earley 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded internship v0.6.0 [INFO] [stderr] Downloaded c_lexer_logos v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5a659d226c48a8e8ba2d2c62a8358aecd885596f359a8dbcf0812ffe55ae7ee [INFO] running `Command { std: "docker" "start" "-a" "b5a659d226c48a8e8ba2d2c62a8358aecd885596f359a8dbcf0812ffe55ae7ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5a659d226c48a8e8ba2d2c62a8358aecd885596f359a8dbcf0812ffe55ae7ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5a659d226c48a8e8ba2d2c62a8358aecd885596f359a8dbcf0812ffe55ae7ee", kill_on_drop: false }` [INFO] [stdout] b5a659d226c48a8e8ba2d2c62a8358aecd885596f359a8dbcf0812ffe55ae7ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d4e833ac0072506f6f9705fa09e9d16abe6380de61429c9b5b29b68327e34b9 [INFO] running `Command { std: "docker" "start" "-a" "2d4e833ac0072506f6f9705fa09e9d16abe6380de61429c9b5b29b68327e34b9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking internship v0.6.0 [INFO] [stderr] Compiling logos-codegen v0.13.0 [INFO] [stderr] Compiling logos-derive v0.13.0 [INFO] [stderr] Checking logos v0.13.0 [INFO] [stderr] Checking c_lexer_logos v0.1.1 [INFO] [stderr] Checking tiny-earley v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `test::Bencher` [INFO] [stdout] --> lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use test::Bencher; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `trace` [INFO] [stdout] --> bench_c.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | macro_rules! trace(($($tt:tt)*) => ()); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be in the root module [INFO] [stdout] --> bench_c.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition: `trace` [INFO] [stdout] --> bench_c.rs:6:14 [INFO] [stdout] | [INFO] [stdout] 6 | macro_rules! trace(($($tt:tt)*) => ()); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be in the root module [INFO] [stdout] --> bench_c.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rules` [INFO] [stdout] --> lib.rs:278:17 [INFO] [stdout] | [INFO] [stdout] 278 | let mut rules = self.rules.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> lib.rs:278:13 [INFO] [stdout] | [INFO] [stdout] 278 | let mut rules = self.rules.clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rule` [INFO] [stdout] --> lib.rs:654:17 [INFO] [stdout] | [INFO] [stdout] 654 | for (i, rule) in self.tables.rules.iter().enumerate() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rule` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rules` [INFO] [stdout] --> lib.rs:278:17 [INFO] [stdout] | [INFO] [stdout] 278 | let mut rules = self.rules.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> lib.rs:278:13 [INFO] [stdout] | [INFO] [stdout] 278 | let mut rules = self.rules.clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first` [INFO] [stdout] --> bench_c.rs:789:13 [INFO] [stdout] | [INFO] [stdout] 789 | let mut first = true; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_first` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rule` [INFO] [stdout] --> lib.rs:654:17 [INFO] [stdout] | [INFO] [stdout] 654 | for (i, rule) in self.tables.rules.iter().enumerate() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rule` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> bench_c.rs:789:9 [INFO] [stdout] | [INFO] [stdout] 789 | let mut first = true; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `CompletedItem` is more private than the item `forest::Forest::push_summand` [INFO] [stdout] --> forest.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn push_summand(&mut self, item: CompletedItem) -> NodeHandle { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `forest::Forest::push_summand` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `CompletedItem` is only usable at visibility `pub(crate)` [INFO] [stdout] --> lib.rs:173:1 [INFO] [stdout] | [INFO] [stdout] 173 | struct CompletedItem { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rhs_nulling` is never read [INFO] [stdout] --> lib.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct Grammar { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 28 | rhs_nulling: Vec, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Grammar` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Left`, `Right`, and `Both` are never constructed [INFO] [stdout] --> lib.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 32 | enum Side { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 33 | Left, [INFO] [stdout] | ^^^^ [INFO] [stdout] 34 | Right, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 35 | Both, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Side` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `rule_id`, `sym`, and `side` are never read [INFO] [stdout] --> lib.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 39 | struct NullingEliminated { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 40 | rule_id: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 41 | sym: Symbol, [INFO] [stdout] | ^^^ [INFO] [stdout] 42 | side: Side, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NullingEliminated` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `symbol` is never read [INFO] [stdout] --> lib.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 65 | struct PredictionTransition { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 66 | symbol: Symbol, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PredictionTransition` has derived impls for the traits `Default`, `Debug`, and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `EarleySet` is never constructed [INFO] [stdout] --> lib.rs:159:8 [INFO] [stdout] | [INFO] [stdout] 159 | struct EarleySet { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> lib.rs:207:8 [INFO] [stdout] | [INFO] [stdout] 206 | impl EarleySet { [INFO] [stdout] | --------------------------------- associated function in this implementation [INFO] [stdout] 207 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `rhs` and `eliminate_nulling` are never used [INFO] [stdout] --> lib.rs:267:8 [INFO] [stdout] | [INFO] [stdout] 215 | impl Grammar { [INFO] [stdout] | ------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 267 | fn rhs(&mut self, rhs: [Symbol; N]) -> &mut Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 276 | fn eliminate_nulling(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `grammar` is never used [INFO] [stdout] --> bench_c.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn grammar() -> Grammar<176> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_tokens` is never used [INFO] [stdout] --> bench_c.rs:663:4 [INFO] [stdout] | [INFO] [stdout] 663 | fn make_tokens(contents: &str, external: &Grammar<176>) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bench_parse_c` is never used [INFO] [stdout] --> bench_c.rs:786:4 [INFO] [stdout] | [INFO] [stdout] 786 | fn bench_parse_c(b: &mut test::Bencher, contents: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first` [INFO] [stdout] --> bench_c.rs:789:13 [INFO] [stdout] | [INFO] [stdout] 789 | let mut first = true; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_first` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> bench_c.rs:789:9 [INFO] [stdout] | [INFO] [stdout] 789 | let mut first = true; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `CompletedItem` is more private than the item `forest::Forest::push_summand` [INFO] [stdout] --> forest.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn push_summand(&mut self, item: CompletedItem) -> NodeHandle { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `forest::Forest::push_summand` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `CompletedItem` is only usable at visibility `pub(crate)` [INFO] [stdout] --> lib.rs:173:1 [INFO] [stdout] | [INFO] [stdout] 173 | struct CompletedItem { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `rule_id`, `sym`, and `side` are never read [INFO] [stdout] --> lib.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 39 | struct NullingEliminated { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 40 | rule_id: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 41 | sym: Symbol, [INFO] [stdout] | ^^^ [INFO] [stdout] 42 | side: Side, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NullingEliminated` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `symbol` is never read [INFO] [stdout] --> lib.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 65 | struct PredictionTransition { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 66 | symbol: Symbol, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PredictionTransition` has derived impls for the traits `Default`, `Debug`, and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `EarleySet` is never constructed [INFO] [stdout] --> lib.rs:159:8 [INFO] [stdout] | [INFO] [stdout] 159 | struct EarleySet { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> lib.rs:207:8 [INFO] [stdout] | [INFO] [stdout] 206 | impl EarleySet { [INFO] [stdout] | --------------------------------- associated function in this implementation [INFO] [stdout] 207 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.91s [INFO] running `Command { std: "docker" "inspect" "2d4e833ac0072506f6f9705fa09e9d16abe6380de61429c9b5b29b68327e34b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d4e833ac0072506f6f9705fa09e9d16abe6380de61429c9b5b29b68327e34b9", kill_on_drop: false }` [INFO] [stdout] 2d4e833ac0072506f6f9705fa09e9d16abe6380de61429c9b5b29b68327e34b9