Nov 30 10:31:19.939 INFO checking JacekPrzemieniecki/earley_parser against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 10:31:19.939 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 30 10:31:20.226 INFO [stdout] 418310eb396a21b7291f86d4820c389f13aa7a75118d3a1dfb9d62cd0e568c75
Nov 30 10:31:20.228 INFO running `"docker" "start" "-a" "418310eb396a21b7291f86d4820c389f13aa7a75118d3a1dfb9d62cd0e568c75"`
Nov 30 10:31:20.937 INFO [stderr] usermod: no changes
Nov 30 10:31:20.965 INFO [stderr]     Checking earley_parser v0.1.0 (/source)
Nov 30 10:31:21.312 INFO [stderr] warning: unused import: `grammar::build_grammar`
Nov 30 10:31:21.312 INFO [stderr]  --> src/main.rs:8:5
Nov 30 10:31:21.312 INFO [stderr]   |
Nov 30 10:31:21.312 INFO [stderr] 8 | use grammar::build_grammar;
Nov 30 10:31:21.312 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:31:21.312 INFO [stderr]   |
Nov 30 10:31:21.312 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 10:31:21.312 INFO [stderr] 
Nov 30 10:31:21.344 INFO [stderr] warning: unused import: `grammar::build_grammar`
Nov 30 10:31:21.344 INFO [stderr]  --> src/main.rs:8:5
Nov 30 10:31:21.344 INFO [stderr]   |
Nov 30 10:31:21.344 INFO [stderr] 8 | use grammar::build_grammar;
Nov 30 10:31:21.344 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:31:21.344 INFO [stderr]   |
Nov 30 10:31:21.344 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 10:31:21.344 INFO [stderr] 
Nov 30 10:31:21.552 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:31:21.556 INFO [stderr]    --> src/parser.rs:227:9
Nov 30 10:31:21.556 INFO [stderr]     |
Nov 30 10:31:21.556 INFO [stderr] 227 |         write!(s, "{}", indent);
Nov 30 10:31:21.556 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:31:21.556 INFO [stderr]     |
Nov 30 10:31:21.556 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 10:31:21.556 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:31:21.556 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)
Nov 30 10:31:21.556 INFO [stderr] 
Nov 30 10:31:21.556 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:31:21.556 INFO [stderr]    --> src/parser.rs:229:23
Nov 30 10:31:21.556 INFO [stderr]     |
Nov 30 10:31:21.556 INFO [stderr] 229 |             true => { write!(s, "\\-"); indent.to_string() + "  "},
Nov 30 10:31:21.556 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^
Nov 30 10:31:21.556 INFO [stderr]     |
Nov 30 10:31:21.556 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:31:21.556 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)
Nov 30 10:31:21.556 INFO [stderr] 
Nov 30 10:31:21.556 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:31:21.556 INFO [stderr]    --> src/parser.rs:230:24
Nov 30 10:31:21.556 INFO [stderr]     |
Nov 30 10:31:21.556 INFO [stderr] 230 |             false => { write!(s, "|-"); indent.to_string() + "| "}
Nov 30 10:31:21.556 INFO [stderr]     |                        ^^^^^^^^^^^^^^^^
Nov 30 10:31:21.556 INFO [stderr]     |
Nov 30 10:31:21.556 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:31:21.556 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)
Nov 30 10:31:21.556 INFO [stderr] 
Nov 30 10:31:21.556 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:31:21.556 INFO [stderr]    --> src/parser.rs:232:9
Nov 30 10:31:21.556 INFO [stderr]     |
Nov 30 10:31:21.556 INFO [stderr] 232 |         write!(s, "{}\n", &gram.symbols[self.value].name);
Nov 30 10:31:21.556 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:31:21.556 INFO [stderr]     |
Nov 30 10:31:21.556 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:31:21.556 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)
Nov 30 10:31:21.556 INFO [stderr] 
Nov 30 10:31:21.556 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:31:21.556 INFO [stderr]    --> src/parser.rs:234:13
Nov 30 10:31:21.556 INFO [stderr]     |
Nov 30 10:31:21.556 INFO [stderr] 234 |             write!(s, "{}", node.to_string(&gram, &new_indent, i == self.children.len() -1));
Nov 30 10:31:21.556 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:31:21.557 INFO [stderr]     |
Nov 30 10:31:21.557 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:31:21.557 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)
Nov 30 10:31:21.557 INFO [stderr] 
Nov 30 10:31:21.580 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:31:21.580 INFO [stderr]    --> src/parser.rs:227:9
Nov 30 10:31:21.580 INFO [stderr]     |
Nov 30 10:31:21.580 INFO [stderr] 227 |         write!(s, "{}", indent);
Nov 30 10:31:21.580 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:31:21.580 INFO [stderr]     |
Nov 30 10:31:21.580 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 10:31:21.580 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:31:21.580 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)
Nov 30 10:31:21.580 INFO [stderr] 
Nov 30 10:31:21.580 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:31:21.580 INFO [stderr]    --> src/parser.rs:229:23
Nov 30 10:31:21.580 INFO [stderr]     |
Nov 30 10:31:21.582 INFO [stderr] 229 |             true => { write!(s, "\\-"); indent.to_string() + "  "},
Nov 30 10:31:21.582 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^
Nov 30 10:31:21.582 INFO [stderr]     |
Nov 30 10:31:21.582 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:31:21.582 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)
Nov 30 10:31:21.582 INFO [stderr] 
Nov 30 10:31:21.582 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:31:21.582 INFO [stderr]    --> src/parser.rs:230:24
Nov 30 10:31:21.582 INFO [stderr]     |
Nov 30 10:31:21.582 INFO [stderr] 230 |             false => { write!(s, "|-"); indent.to_string() + "| "}
Nov 30 10:31:21.582 INFO [stderr]     |                        ^^^^^^^^^^^^^^^^
Nov 30 10:31:21.582 INFO [stderr]     |
Nov 30 10:31:21.582 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:31:21.582 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)
Nov 30 10:31:21.582 INFO [stderr] 
Nov 30 10:31:21.582 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:31:21.582 INFO [stderr]    --> src/parser.rs:232:9
Nov 30 10:31:21.582 INFO [stderr]     |
Nov 30 10:31:21.582 INFO [stderr] 232 |         write!(s, "{}\n", &gram.symbols[self.value].name);
Nov 30 10:31:21.582 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:31:21.582 INFO [stderr]     |
Nov 30 10:31:21.582 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:31:21.582 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)
Nov 30 10:31:21.582 INFO [stderr] 
Nov 30 10:31:21.582 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 10:31:21.582 INFO [stderr]    --> src/parser.rs:234:13
Nov 30 10:31:21.582 INFO [stderr]     |
Nov 30 10:31:21.582 INFO [stderr] 234 |             write!(s, "{}", node.to_string(&gram, &new_indent, i == self.children.len() -1));
Nov 30 10:31:21.582 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 10:31:21.582 INFO [stderr]     |
Nov 30 10:31:21.582 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 10:31:21.582 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)
Nov 30 10:31:21.582 INFO [stderr] 
Nov 30 10:31:21.599 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Nov 30 10:31:21.602 INFO [stderr] su: No module specific data is present
Nov 30 10:31:22.082 INFO running `"docker" "inspect" "418310eb396a21b7291f86d4820c389f13aa7a75118d3a1dfb9d62cd0e568c75"`
Nov 30 10:31:22.258 INFO running `"docker" "rm" "-f" "418310eb396a21b7291f86d4820c389f13aa7a75118d3a1dfb9d62cd0e568c75"`
Nov 30 10:31:22.503 INFO [stdout] 418310eb396a21b7291f86d4820c389f13aa7a75118d3a1dfb9d62cd0e568c75