[INFO] updating cached repository https://github.com/remexre/datalog [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 58da741a50543d581c6f29a5a56dac7b90dec907 [INFO] checking remexre/datalog against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fremexre%2Fdatalog" "work/builds/worker-2/source"` [INFO] [stderr] Cloning into 'work/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/remexre/datalog on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/remexre/datalog [INFO] finished tweaking git repo https://github.com/remexre/datalog [INFO] tweaked toml for git repo https://github.com/remexre/datalog written to work/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/remexre/datalog already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2cabefd7713b13954615412edee53d54cb988a7dd081537b2a80b0537fb0a16d [INFO] running `"docker" "start" "-a" "2cabefd7713b13954615412edee53d54cb988a7dd081537b2a80b0537fb0a16d"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking spin v0.4.6 [INFO] [stderr] Compiling pest v1.0.2 [INFO] [stderr] Checking try_opt v0.1.1 [INFO] [stderr] Checking itertools v0.7.6 [INFO] [stderr] Checking proptest v0.4.2 [INFO] [stderr] Checking symbol v0.1.1 [INFO] [stderr] Compiling pest_derive v1.0.2 [INFO] [stderr] Checking sparkly v0.1.4 [INFO] [stderr] Checking datalog v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/naive/mod.rs:28:14 [INFO] [stderr] | [INFO] [stderr] 28 | ) -> Box<'a + Iterator>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator>` [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/naive/mod.rs:36:14 [INFO] [stderr] | [INFO] [stderr] 36 | ) -> Box<'a + Iterator>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/naive/mod.rs:52:14 [INFO] [stderr] | [INFO] [stderr] 52 | ) -> Box<'a + Iterator>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/naive/mod.rs:69:14 [INFO] [stderr] | [INFO] [stderr] 69 | ) -> Box<'a + Iterator>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/naive/mod.rs:110:14 [INFO] [stderr] | [INFO] [stderr] 110 | ) -> Box<'a + Iterator>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:58:14 [INFO] [stderr] | [INFO] [stderr] 58 | ) -> Box<'a + Iterator>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:64:21 [INFO] [stderr] | [INFO] [stderr] 64 | ) -> Result>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:123:14 [INFO] [stderr] | [INFO] [stderr] 123 | ) -> Box<'a + Iterator> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:132:21 [INFO] [stderr] | [INFO] [stderr] 132 | ) -> Result>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/errors.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | / error_chain! { [INFO] [stderr] 10 | | errors { [INFO] [stderr] 11 | | NoSuchClause(clause: Clause) { [INFO] [stderr] 12 | | description("A non-existent clause was found") [INFO] [stderr] ... | [INFO] [stderr] 21 | | } [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `body` [INFO] [stderr] --> src/ast/mod.rs:119:26 [INFO] [stderr] | [INFO] [stderr] 119 | let Clause(head, body) = self.clone(); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_body` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ast/mod.rs:123:21 [INFO] [stderr] | [INFO] [stderr] 123 | let Literal(name, mut hargs) = head; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other` [INFO] [stderr] --> src/ast/eq.rs:5:28 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn alpha_eq(&self, other: &Clause) -> bool { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_other` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lv` [INFO] [stderr] --> src/ast/pattern_match.rs:32:24 [INFO] [stderr] | [INFO] [stderr] 32 | (Term::Var(lv), Term::Var(rv)) => {} [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_lv` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rv` [INFO] [stderr] --> src/ast/pattern_match.rs:32:39 [INFO] [stderr] | [INFO] [stderr] 32 | (Term::Var(lv), Term::Var(rv)) => {} [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rv` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `clause` [INFO] [stderr] --> src/naive/mod.rs:103:34 [INFO] [stderr] | [INFO] [stderr] 103 | fn run_retraction(&mut self, clause: Clause) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_clause` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `entry_fn` [INFO] [stderr] --> src/util.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | / pub fn entry_fn(map: &mut HashMap, key: K, f: F) [INFO] [stderr] 8 | | where [INFO] [stderr] 9 | | F: FnOnce(&K, Option) -> Option, [INFO] [stderr] 10 | | K: Eq + Hash, [INFO] [stderr] ... | [INFO] [stderr] 15 | | } [INFO] [stderr] 16 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/naive/mod.rs:28:14 [INFO] [stderr] | [INFO] [stderr] 28 | ) -> Box<'a + Iterator>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator>` [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/naive/mod.rs:36:14 [INFO] [stderr] | [INFO] [stderr] 36 | ) -> Box<'a + Iterator>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/naive/mod.rs:52:14 [INFO] [stderr] | [INFO] [stderr] 52 | ) -> Box<'a + Iterator>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/naive/mod.rs:69:14 [INFO] [stderr] | [INFO] [stderr] 69 | ) -> Box<'a + Iterator>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/naive/mod.rs:110:14 [INFO] [stderr] | [INFO] [stderr] 110 | ) -> Box<'a + Iterator>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:58:14 [INFO] [stderr] | [INFO] [stderr] 58 | ) -> Box<'a + Iterator>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:64:21 [INFO] [stderr] | [INFO] [stderr] 64 | ) -> Result>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:123:14 [INFO] [stderr] | [INFO] [stderr] 123 | ) -> Box<'a + Iterator> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:132:21 [INFO] [stderr] | [INFO] [stderr] 132 | ) -> Result>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a + Iterator` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/ast/name.rs:54:1 [INFO] [stderr] | [INFO] [stderr] 54 | / lazy_static!{ [INFO] [stderr] 55 | | static ref NAME_REGEX: Regex = Regex::new("^[^A-Z_].*$").unwrap(); [INFO] [stderr] 56 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/ast/variable.rs:55:1 [INFO] [stderr] | [INFO] [stderr] 55 | / lazy_static!{ [INFO] [stderr] 56 | | static ref VARIABLE_REGEX: Regex = Regex::new("^[A-Z_][A-Za-z0-9_]*$").unwrap(); [INFO] [stderr] 57 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting [INFO] [stderr] --> src/errors.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | / error_chain! { [INFO] [stderr] 10 | | errors { [INFO] [stderr] 11 | | NoSuchClause(clause: Clause) { [INFO] [stderr] 12 | | description("A non-existent clause was found") [INFO] [stderr] ... | [INFO] [stderr] 21 | | } [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused variable: `body` [INFO] [stderr] --> src/ast/mod.rs:119:26 [INFO] [stderr] | [INFO] [stderr] 119 | let Clause(head, body) = self.clone(); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_body` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `name` [INFO] [stderr] --> src/ast/mod.rs:123:21 [INFO] [stderr] | [INFO] [stderr] 123 | let Literal(name, mut hargs) = head; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_name` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `other` [INFO] [stderr] --> src/ast/eq.rs:5:28 [INFO] [stderr] | [INFO] [stderr] 5 | pub fn alpha_eq(&self, other: &Clause) -> bool { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_other` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lv` [INFO] [stderr] --> src/ast/pattern_match.rs:32:24 [INFO] [stderr] | [INFO] [stderr] 32 | (Term::Var(lv), Term::Var(rv)) => {} [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_lv` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rv` [INFO] [stderr] --> src/ast/pattern_match.rs:32:39 [INFO] [stderr] | [INFO] [stderr] 32 | (Term::Var(lv), Term::Var(rv)) => {} [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rv` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `clause` [INFO] [stderr] --> src/naive/mod.rs:103:34 [INFO] [stderr] | [INFO] [stderr] 103 | fn run_retraction(&mut self, clause: Clause) -> Result<()> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_clause` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `entry_fn` [INFO] [stderr] --> src/util.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | / pub fn entry_fn(map: &mut HashMap, key: K, f: F) [INFO] [stderr] 8 | | where [INFO] [stderr] 9 | | F: FnOnce(&K, Option) -> Option, [INFO] [stderr] 10 | | K: Eq + Hash, [INFO] [stderr] ... | [INFO] [stderr] 15 | | } [INFO] [stderr] 16 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.17s [INFO] running `"docker" "inspect" "2cabefd7713b13954615412edee53d54cb988a7dd081537b2a80b0537fb0a16d"` [INFO] running `"docker" "rm" "-f" "2cabefd7713b13954615412edee53d54cb988a7dd081537b2a80b0537fb0a16d"` [INFO] [stdout] 2cabefd7713b13954615412edee53d54cb988a7dd081537b2a80b0537fb0a16d