Dec 14 09:20:42.123 INFO testing JacekPrzemieniecki/earley_parser against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 09:20:42.124 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 09:20:42.363 INFO [stdout] cb663958bc8666d4fe1a945ffd2b8d37b28b8d921f07dafcc374302a5c611933
Dec 14 09:20:42.369 INFO running `"docker" "start" "-a" "cb663958bc8666d4fe1a945ffd2b8d37b28b8d921f07dafcc374302a5c611933"`
Dec 14 09:20:42.803 INFO [stderr] usermod: no changes
Dec 14 09:20:42.830 INFO [stderr]    Compiling earley_parser v0.1.0 (/source)
Dec 14 09:20:43.211 INFO [stderr] warning: unused import: `grammar::build_grammar`
Dec 14 09:20:43.211 INFO [stderr]  --> src/main.rs:8:5
Dec 14 09:20:43.211 INFO [stderr]   |
Dec 14 09:20:43.211 INFO [stderr] 8 | use grammar::build_grammar;
Dec 14 09:20:43.211 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:20:43.211 INFO [stderr]   |
Dec 14 09:20:43.211 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 09:20:43.211 INFO [stderr] 
Dec 14 09:20:43.427 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 09:20:43.427 INFO [stderr]    --> src/parser.rs:227:9
Dec 14 09:20:43.427 INFO [stderr]     |
Dec 14 09:20:43.427 INFO [stderr] 227 |         write!(s, "{}", indent);
Dec 14 09:20:43.427 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:20:43.428 INFO [stderr]     |
Dec 14 09:20:43.428 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 09:20:43.428 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 09:20:43.428 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 14 09:20:43.428 INFO [stderr] 
Dec 14 09:20:43.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 09:20:43.428 INFO [stderr]    --> src/parser.rs:229:23
Dec 14 09:20:43.428 INFO [stderr]     |
Dec 14 09:20:43.428 INFO [stderr] 229 |             true => { write!(s, "\\-"); indent.to_string() + "  "},
Dec 14 09:20:43.428 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^
Dec 14 09:20:43.428 INFO [stderr]     |
Dec 14 09:20:43.428 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 09:20:43.428 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 14 09:20:43.428 INFO [stderr] 
Dec 14 09:20:43.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 09:20:43.428 INFO [stderr]    --> src/parser.rs:230:24
Dec 14 09:20:43.428 INFO [stderr]     |
Dec 14 09:20:43.428 INFO [stderr] 230 |             false => { write!(s, "|-"); indent.to_string() + "| "}
Dec 14 09:20:43.428 INFO [stderr]     |                        ^^^^^^^^^^^^^^^^
Dec 14 09:20:43.428 INFO [stderr]     |
Dec 14 09:20:43.428 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 09:20:43.428 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 14 09:20:43.428 INFO [stderr] 
Dec 14 09:20:43.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 09:20:43.428 INFO [stderr]    --> src/parser.rs:232:9
Dec 14 09:20:43.428 INFO [stderr]     |
Dec 14 09:20:43.428 INFO [stderr] 232 |         write!(s, "{}\n", &gram.symbols[self.value].name);
Dec 14 09:20:43.428 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:20:43.428 INFO [stderr]     |
Dec 14 09:20:43.428 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 09:20:43.428 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 14 09:20:43.428 INFO [stderr] 
Dec 14 09:20:43.428 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 09:20:43.428 INFO [stderr]    --> src/parser.rs:234:13
Dec 14 09:20:43.428 INFO [stderr]     |
Dec 14 09:20:43.428 INFO [stderr] 234 |             write!(s, "{}", node.to_string(&gram, &new_indent, i == self.children.len() -1));
Dec 14 09:20:43.428 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:20:43.428 INFO [stderr]     |
Dec 14 09:20:43.428 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 09:20:43.428 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 14 09:20:43.428 INFO [stderr] 
Dec 14 09:20:44.495 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
Dec 14 09:20:44.499 INFO [stderr] su: No module specific data is present
Dec 14 09:20:44.936 INFO running `"docker" "inspect" "cb663958bc8666d4fe1a945ffd2b8d37b28b8d921f07dafcc374302a5c611933"`
Dec 14 09:20:45.076 INFO running `"docker" "rm" "-f" "cb663958bc8666d4fe1a945ffd2b8d37b28b8d921f07dafcc374302a5c611933"`
Dec 14 09:20:45.188 INFO [stdout] cb663958bc8666d4fe1a945ffd2b8d37b28b8d921f07dafcc374302a5c611933
Dec 14 09:20:45.190 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 09:20:45.651 INFO [stdout] 8e74d9212b8736624bdf00fa39dc1c42ce7fee92683392f24734afb3a7d2f218
Dec 14 09:20:45.653 INFO running `"docker" "start" "-a" "8e74d9212b8736624bdf00fa39dc1c42ce7fee92683392f24734afb3a7d2f218"`
Dec 14 09:20:46.107 INFO [stderr] usermod: no changes
Dec 14 09:20:46.130 INFO [stderr]    Compiling earley_parser v0.1.0 (/source)
Dec 14 09:20:46.603 INFO [stderr] warning: unused import: `grammar::build_grammar`
Dec 14 09:20:46.603 INFO [stderr]  --> src/main.rs:8:5
Dec 14 09:20:46.603 INFO [stderr]   |
Dec 14 09:20:46.603 INFO [stderr] 8 | use grammar::build_grammar;
Dec 14 09:20:46.603 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:20:46.603 INFO [stderr]   |
Dec 14 09:20:46.603 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 09:20:46.603 INFO [stderr] 
Dec 14 09:20:46.818 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 09:20:46.818 INFO [stderr]    --> src/parser.rs:227:9
Dec 14 09:20:46.818 INFO [stderr]     |
Dec 14 09:20:46.818 INFO [stderr] 227 |         write!(s, "{}", indent);
Dec 14 09:20:46.818 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:20:46.818 INFO [stderr]     |
Dec 14 09:20:46.818 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 09:20:46.818 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 09:20:46.818 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 14 09:20:46.818 INFO [stderr] 
Dec 14 09:20:46.818 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 09:20:46.818 INFO [stderr]    --> src/parser.rs:229:23
Dec 14 09:20:46.818 INFO [stderr]     |
Dec 14 09:20:46.818 INFO [stderr] 229 |             true => { write!(s, "\\-"); indent.to_string() + "  "},
Dec 14 09:20:46.818 INFO [stderr]     |                       ^^^^^^^^^^^^^^^^^
Dec 14 09:20:46.818 INFO [stderr]     |
Dec 14 09:20:46.818 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 09:20:46.818 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 14 09:20:46.818 INFO [stderr] 
Dec 14 09:20:46.818 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 09:20:46.818 INFO [stderr]    --> src/parser.rs:230:24
Dec 14 09:20:46.818 INFO [stderr]     |
Dec 14 09:20:46.818 INFO [stderr] 230 |             false => { write!(s, "|-"); indent.to_string() + "| "}
Dec 14 09:20:46.818 INFO [stderr]     |                        ^^^^^^^^^^^^^^^^
Dec 14 09:20:46.818 INFO [stderr]     |
Dec 14 09:20:46.818 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 09:20:46.818 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 14 09:20:46.818 INFO [stderr] 
Dec 14 09:20:46.818 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 09:20:46.818 INFO [stderr]    --> src/parser.rs:232:9
Dec 14 09:20:46.818 INFO [stderr]     |
Dec 14 09:20:46.818 INFO [stderr] 232 |         write!(s, "{}\n", &gram.symbols[self.value].name);
Dec 14 09:20:46.818 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:20:46.818 INFO [stderr]     |
Dec 14 09:20:46.818 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 09:20:46.818 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 14 09:20:46.818 INFO [stderr] 
Dec 14 09:20:46.818 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 09:20:46.819 INFO [stderr]    --> src/parser.rs:234:13
Dec 14 09:20:46.819 INFO [stderr]     |
Dec 14 09:20:46.819 INFO [stderr] 234 |             write!(s, "{}", node.to_string(&gram, &new_indent, i == self.children.len() -1));
Dec 14 09:20:46.819 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 09:20:46.819 INFO [stderr]     |
Dec 14 09:20:46.819 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 09:20:46.819 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 14 09:20:46.819 INFO [stderr] 
Dec 14 09:20:47.029 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Dec 14 09:20:47.029 INFO [stderr] su: No module specific data is present
Dec 14 09:20:47.451 INFO running `"docker" "inspect" "8e74d9212b8736624bdf00fa39dc1c42ce7fee92683392f24734afb3a7d2f218"`
Dec 14 09:20:47.771 INFO running `"docker" "rm" "-f" "8e74d9212b8736624bdf00fa39dc1c42ce7fee92683392f24734afb3a7d2f218"`
Dec 14 09:20:48.096 INFO [stdout] 8e74d9212b8736624bdf00fa39dc1c42ce7fee92683392f24734afb3a7d2f218
Dec 14 09:20:48.098 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-7/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 14 09:20:48.499 INFO [stdout] 14aad70596d922e2bea61f7dbdc7cd0196c0e45ebfd18da6dcd378006c93f7e7
Dec 14 09:20:48.503 INFO running `"docker" "start" "-a" "14aad70596d922e2bea61f7dbdc7cd0196c0e45ebfd18da6dcd378006c93f7e7"`
Dec 14 09:20:49.539 INFO [stderr] usermod: no changes
Dec 14 09:20:49.579 INFO [stdout] 
Dec 14 09:20:49.579 INFO [stdout] running 0 tests
Dec 14 09:20:49.579 INFO [stdout] 
Dec 14 09:20:49.579 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 09:20:49.579 INFO [stdout] 
Dec 14 09:20:49.579 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 09:20:49.579 INFO [stderr]      Running /target/debug/deps/earley_parser-1f8f20a6f42c7848
Dec 14 09:20:49.587 INFO [stderr] su: No module specific data is present
Dec 14 09:20:50.284 INFO running `"docker" "inspect" "14aad70596d922e2bea61f7dbdc7cd0196c0e45ebfd18da6dcd378006c93f7e7"`
Dec 14 09:20:50.663 INFO running `"docker" "rm" "-f" "14aad70596d922e2bea61f7dbdc7cd0196c0e45ebfd18da6dcd378006c93f7e7"`
Dec 14 09:20:51.002 INFO [stdout] 14aad70596d922e2bea61f7dbdc7cd0196c0e45ebfd18da6dcd378006c93f7e7