Dec 12 02:15:40.510 INFO checking JacekPrzemieniecki/earley_parser against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 02:15:40.510 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 02:15:40.900 INFO [stdout] 4e3633303533e72c5c070b7cb036f72aefcc4ce73dc32caa5ca66af6828bd173
Dec 12 02:15:40.906 INFO running `"docker" "start" "-a" "4e3633303533e72c5c070b7cb036f72aefcc4ce73dc32caa5ca66af6828bd173"`
Dec 12 02:15:41.479 INFO [stderr] usermod: no changes
Dec 12 02:15:41.510 INFO [stderr]     Checking earley_parser v0.1.0 (/source)
Dec 12 02:15:41.866 INFO [stderr] warning: unused import: `grammar::build_grammar`
Dec 12 02:15:41.866 INFO [stderr]  --> src/main.rs:8:5
Dec 12 02:15:41.866 INFO [stderr]   |
Dec 12 02:15:41.866 INFO [stderr] 8 | use grammar::build_grammar;
Dec 12 02:15:41.866 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:15:41.866 INFO [stderr]   |
Dec 12 02:15:41.866 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 02:15:41.866 INFO [stderr] 
Dec 12 02:15:41.879 INFO [stderr] warning: unused import: `grammar::build_grammar`
Dec 12 02:15:41.879 INFO [stderr]  --> src/main.rs:8:5
Dec 12 02:15:41.879 INFO [stderr]   |
Dec 12 02:15:41.879 INFO [stderr] 8 | use grammar::build_grammar;
Dec 12 02:15:41.879 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:15:41.879 INFO [stderr]   |
Dec 12 02:15:41.879 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 02:15:41.879 INFO [stderr] 
Dec 12 02:15:42.104 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:15:42.104 INFO [stderr]    --> src/parser.rs:227:9
Dec 12 02:15:42.104 INFO [stderr]     |
Dec 12 02:15:42.104 INFO [stderr] 227 |         write!(s, "{}", indent);
Dec 12 02:15:42.104 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:15:42.104 INFO [stderr]     |
Dec 12 02:15:42.104 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 02:15:42.104 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:15:42.104 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:15:42.104 INFO [stderr] 
Dec 12 02:15:42.104 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:15:42.104 INFO [stderr]    --> src/parser.rs:229:23
Dec 12 02:15:42.104 INFO [stderr]     |
Dec 12 02:15:42.104 INFO [stderr] 229 |             true => { write!(s, "\\-"); indent.to_string() + "  "},
Dec 12 02:15:42.104 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^
Dec 12 02:15:42.104 INFO [stderr]     |
Dec 12 02:15:42.104 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:15:42.104 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:15:42.104 INFO [stderr] 
Dec 12 02:15:42.104 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:15:42.104 INFO [stderr]    --> src/parser.rs:230:24
Dec 12 02:15:42.104 INFO [stderr]     |
Dec 12 02:15:42.104 INFO [stderr] 230 |             false => { write!(s, "|-"); indent.to_string() + "| "}
Dec 12 02:15:42.104 INFO [stderr]     |                        ^^^^^^^^^^^^^^^^
Dec 12 02:15:42.104 INFO [stderr]     |
Dec 12 02:15:42.104 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:15:42.104 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:15:42.104 INFO [stderr] 
Dec 12 02:15:42.104 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:15:42.104 INFO [stderr]    --> src/parser.rs:232:9
Dec 12 02:15:42.104 INFO [stderr]     |
Dec 12 02:15:42.104 INFO [stderr] 232 |         write!(s, "{}\n", &gram.symbols[self.value].name);
Dec 12 02:15:42.104 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:15:42.104 INFO [stderr]     |
Dec 12 02:15:42.104 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:15:42.104 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:15:42.104 INFO [stderr] 
Dec 12 02:15:42.104 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:15:42.104 INFO [stderr]    --> src/parser.rs:234:13
Dec 12 02:15:42.104 INFO [stderr]     |
Dec 12 02:15:42.104 INFO [stderr] 234 |             write!(s, "{}", node.to_string(&gram, &new_indent, i == self.children.len() -1));
Dec 12 02:15:42.104 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:15:42.104 INFO [stderr]     |
Dec 12 02:15:42.104 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:15:42.105 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:15:42.105 INFO [stderr] 
Dec 12 02:15:42.105 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:15:42.105 INFO [stderr]    --> src/parser.rs:227:9
Dec 12 02:15:42.105 INFO [stderr]     |
Dec 12 02:15:42.105 INFO [stderr] 227 |         write!(s, "{}", indent);
Dec 12 02:15:42.105 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:15:42.105 INFO [stderr]     |
Dec 12 02:15:42.105 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 02:15:42.105 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:15:42.105 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:15:42.105 INFO [stderr] 
Dec 12 02:15:42.105 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:15:42.105 INFO [stderr]    --> src/parser.rs:229:23
Dec 12 02:15:42.105 INFO [stderr]     |
Dec 12 02:15:42.105 INFO [stderr] 229 |             true => { write!(s, "\\-"); indent.to_string() + "  "},
Dec 12 02:15:42.105 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^
Dec 12 02:15:42.105 INFO [stderr]     |
Dec 12 02:15:42.105 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:15:42.105 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:15:42.105 INFO [stderr] 
Dec 12 02:15:42.105 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:15:42.105 INFO [stderr]    --> src/parser.rs:230:24
Dec 12 02:15:42.105 INFO [stderr]     |
Dec 12 02:15:42.105 INFO [stderr] 230 |             false => { write!(s, "|-"); indent.to_string() + "| "}
Dec 12 02:15:42.105 INFO [stderr]     |                        ^^^^^^^^^^^^^^^^
Dec 12 02:15:42.105 INFO [stderr]     |
Dec 12 02:15:42.105 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:15:42.105 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:15:42.105 INFO [stderr] 
Dec 12 02:15:42.111 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:15:42.111 INFO [stderr]    --> src/parser.rs:232:9
Dec 12 02:15:42.111 INFO [stderr]     |
Dec 12 02:15:42.111 INFO [stderr] 232 |         write!(s, "{}\n", &gram.symbols[self.value].name);
Dec 12 02:15:42.111 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:15:42.111 INFO [stderr]     |
Dec 12 02:15:42.111 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:15:42.111 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:15:42.111 INFO [stderr] 
Dec 12 02:15:42.111 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 02:15:42.111 INFO [stderr]    --> src/parser.rs:234:13
Dec 12 02:15:42.111 INFO [stderr]     |
Dec 12 02:15:42.111 INFO [stderr] 234 |             write!(s, "{}", node.to_string(&gram, &new_indent, i == self.children.len() -1));
Dec 12 02:15:42.111 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:15:42.111 INFO [stderr]     |
Dec 12 02:15:42.111 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 02:15:42.111 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 12 02:15:42.111 INFO [stderr] 
Dec 12 02:15:42.138 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 12 02:15:42.140 INFO [stderr] su: No module specific data is present
Dec 12 02:15:42.701 INFO running `"docker" "inspect" "4e3633303533e72c5c070b7cb036f72aefcc4ce73dc32caa5ca66af6828bd173"`
Dec 12 02:15:43.010 INFO running `"docker" "rm" "-f" "4e3633303533e72c5c070b7cb036f72aefcc4ce73dc32caa5ca66af6828bd173"`
Dec 12 02:15:43.340 INFO [stdout] 4e3633303533e72c5c070b7cb036f72aefcc4ce73dc32caa5ca66af6828bd173