[INFO] updating cached repository remexre/datalog [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/remexre/datalog [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/remexre/datalog" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/remexre/datalog"` [INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/remexre/datalog'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/remexre/datalog" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/remexre/datalog"` [INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/remexre/datalog'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 58da741a50543d581c6f29a5a56dac7b90dec907 [INFO] sha for GitHub repo remexre/datalog: 58da741a50543d581c6f29a5a56dac7b90dec907 [INFO] validating manifest of remexre/datalog on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of remexre/datalog on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing remexre/datalog [INFO] finished frobbing remexre/datalog [INFO] frobbed toml for remexre/datalog written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/remexre/datalog/Cargo.toml [INFO] started frobbing remexre/datalog [INFO] finished frobbing remexre/datalog [INFO] frobbed toml for remexre/datalog written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/remexre/datalog/Cargo.toml [INFO] crate remexre/datalog already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking remexre/datalog against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-3/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/remexre/datalog:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] ec8a97933d938f75d2ed91d2c01fb069afd9199ffa0c454443c82dbc61ed242c [INFO] running `"docker" "start" "-a" "ec8a97933d938f75d2ed91d2c01fb069afd9199ffa0c454443c82dbc61ed242c"` [INFO] [stderr] Compiling pest v1.0.2 [INFO] [stderr] Checking bytecount v0.1.7 [INFO] [stderr] Checking spin v0.4.6 [INFO] [stderr] Checking try_opt v0.1.1 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking proptest v0.4.2 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking symbol v0.1.1 [INFO] [stderr] Checking sparkly v0.1.4 [INFO] [stderr] Checking liner v0.4.4 [INFO] [stderr] Compiling pest_derive v1.0.2 [INFO] [stderr] warning[E0503]: cannot use `self.key_bindings` because it was mutably borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/liner-0.4.4/src/context.rs:98:17 [INFO] [stderr] | [INFO] [stderr] 96 | let ed = try!(Editor::new_with_init_buffer(stdout, prompt, self, buffer)); [INFO] [stderr] | ---- borrow of `*self` occurs here [INFO] [stderr] 97 | match self.key_bindings { [INFO] [stderr] 98 | KeyBindings::Emacs => Self::handle_keys(keymap::Emacs::new(ed), handler), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ use of borrowed `*self` [INFO] [stderr] 99 | KeyBindings::Vi => Self::handle_keys(keymap::Vi::new(ed), handler), [INFO] [stderr] | -- borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Checking datalog v0.1.0 (/opt/crater/workdir) [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: 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] Finished dev [unoptimized + debuginfo] target(s) in 15.70s [INFO] running `"docker" "inspect" "ec8a97933d938f75d2ed91d2c01fb069afd9199ffa0c454443c82dbc61ed242c"` [INFO] running `"docker" "rm" "-f" "ec8a97933d938f75d2ed91d2c01fb069afd9199ffa0c454443c82dbc61ed242c"` [INFO] [stdout] ec8a97933d938f75d2ed91d2c01fb069afd9199ffa0c454443c82dbc61ed242c