[INFO] crate frithu 0.1.0 is already in cache
[INFO] testing frithu-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate frithu 0.1.0 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate frithu 0.1.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate frithu 0.1.0
[INFO] finished tweaking crates.io crate frithu 0.1.0
[INFO] tweaked toml for crates.io crate frithu 0.1.0 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] d5f4efa60b0447553e7bc52ab3c686b13c7f64098c2bad50e0327d25f4d6aa91
[INFO] running `"docker" "start" "-a" "d5f4efa60b0447553e7bc52ab3c686b13c7f64098c2bad50e0327d25f4d6aa91"`
[INFO] [stderr]    Compiling frithu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "d5f4efa60b0447553e7bc52ab3c686b13c7f64098c2bad50e0327d25f4d6aa91"`
[INFO] running `"docker" "rm" "-f" "d5f4efa60b0447553e7bc52ab3c686b13c7f64098c2bad50e0327d25f4d6aa91"`
[INFO] [stdout] d5f4efa60b0447553e7bc52ab3c686b13c7f64098c2bad50e0327d25f4d6aa91
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] aacfa4f44f4ac1055f01f8cafd1c4cfda0111ef17616b382cd5a53115cd756c2
[INFO] running `"docker" "start" "-a" "aacfa4f44f4ac1055f01f8cafd1c4cfda0111ef17616b382cd5a53115cd756c2"`
[INFO] [stderr]    Compiling frithu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/parser.rs:404:44
[INFO] [stderr]     |
[INFO] [stderr] 404 |         let mut trees = Default::default();;
[INFO] [stderr]     |                                            ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `"docker" "inspect" "aacfa4f44f4ac1055f01f8cafd1c4cfda0111ef17616b382cd5a53115cd756c2"`
[INFO] running `"docker" "rm" "-f" "aacfa4f44f4ac1055f01f8cafd1c4cfda0111ef17616b382cd5a53115cd756c2"`
[INFO] [stdout] aacfa4f44f4ac1055f01f8cafd1c4cfda0111ef17616b382cd5a53115cd756c2
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 3a2eb11945f7f74b48915c868a716a04f54bbc0c9f61134b1de6f5d314f5ae12
[INFO] running `"docker" "start" "-a" "3a2eb11945f7f74b48915c868a716a04f54bbc0c9f61134b1de6f5d314f5ae12"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/frithu-678c23fa7f6b63da
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test grammar::test::grammar_needs_start_symbol_defined ... ok
[INFO] [stdout] test grammar::test::get_info_for_unknown_symbol_returns_none ... ok
[INFO] [stdout] test grammar::test::nonterminal_symbols_must_have_rules ... ok
[INFO] [stdout] test grammar::test::symbol_with_empty_rule_is_nullable ... ok
[INFO] [stdout] test grammar::test::symbol_without_empty_rule_is_not_nullable ... ok
[INFO] [stdout] test grammar::test::symbol_nullable_iff_all_nullable_rule ... ok
[INFO] [stdout] test stringcache::test::interning ... ok
[INFO] [stdout] test parser::test::infinitely_ambiguous_grammar ... ok
[INFO] [stdout] test parser::test::ambiguous_grammar ... ok
[INFO] [stdout] test parser::test::right_recursion_in_linear_space ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/empty_rules-412e48a92af52897
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test complex_empty_string_recogniser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/recogniser-3539cb1f4992e76d
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test reject_invalid_input ... ok
[INFO] [stdout] test reject_incomplete_input ... ok
[INFO] [stdout] test recognise_valid_input ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests frithu
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3a2eb11945f7f74b48915c868a716a04f54bbc0c9f61134b1de6f5d314f5ae12"`
[INFO] running `"docker" "rm" "-f" "3a2eb11945f7f74b48915c868a716a04f54bbc0c9f61134b1de6f5d314f5ae12"`
[INFO] [stdout] 3a2eb11945f7f74b48915c868a716a04f54bbc0c9f61134b1de6f5d314f5ae12