[INFO] crate frithu 0.1.0 is already in cache
[INFO] extracting crate frithu 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/frithu/0.1.0
[INFO] extracting crate frithu 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frithu/0.1.0
[INFO] validating manifest of frithu-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of frithu-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing frithu-0.1.0
[INFO] finished frobbing frithu-0.1.0
[INFO] frobbed toml for frithu-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/frithu/0.1.0/Cargo.toml
[INFO] started frobbing frithu-0.1.0
[INFO] finished frobbing frithu-0.1.0
[INFO] frobbed toml for frithu-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frithu/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing frithu-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frithu/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] dd0abf2979fc9c4a69f334dc4bc645c1f610fe87637f4e6c14288e2d8fef9314
[INFO] running `"docker" "start" "-a" "dd0abf2979fc9c4a69f334dc4bc645c1f610fe87637f4e6c14288e2d8fef9314"`
[INFO] [stderr]    Compiling frithu v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `"docker" "inspect" "dd0abf2979fc9c4a69f334dc4bc645c1f610fe87637f4e6c14288e2d8fef9314"`
[INFO] running `"docker" "rm" "-f" "dd0abf2979fc9c4a69f334dc4bc645c1f610fe87637f4e6c14288e2d8fef9314"`
[INFO] [stdout] dd0abf2979fc9c4a69f334dc4bc645c1f610fe87637f4e6c14288e2d8fef9314
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frithu/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f2824ee9d18e8e6f4208a322646b2b4d539d57b99dba907df50773caa1acb707
[INFO] running `"docker" "start" "-a" "f2824ee9d18e8e6f4208a322646b2b4d539d57b99dba907df50773caa1acb707"`
[INFO] [stderr]    Compiling frithu v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `"docker" "inspect" "f2824ee9d18e8e6f4208a322646b2b4d539d57b99dba907df50773caa1acb707"`
[INFO] running `"docker" "rm" "-f" "f2824ee9d18e8e6f4208a322646b2b4d539d57b99dba907df50773caa1acb707"`
[INFO] [stdout] f2824ee9d18e8e6f4208a322646b2b4d539d57b99dba907df50773caa1acb707
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frithu/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 099f547ccac4c2141aabb545da892ecd43add36b1192e6c228db7395c553e94c
[INFO] running `"docker" "start" "-a" "099f547ccac4c2141aabb545da892ecd43add36b1192e6c228db7395c553e94c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/frithu-8fb48a6d302907c1
[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 stringcache::test::interning ... ok
[INFO] [stdout] test grammar::test::symbol_nullable_iff_all_nullable_rule ... ok
[INFO] [stdout] test parser::test::infinitely_ambiguous_grammar ... ok
[INFO] [stdout] test parser::test::right_recursion_in_linear_space ... ok
[INFO] [stdout] test parser::test::ambiguous_grammar ... 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/crater/target/debug/deps/empty_rules-10eec2334c1d04a5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test complex_empty_string_recogniser ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/recogniser-74922ceaf073dcd4
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "099f547ccac4c2141aabb545da892ecd43add36b1192e6c228db7395c553e94c"`
[INFO] running `"docker" "rm" "-f" "099f547ccac4c2141aabb545da892ecd43add36b1192e6c228db7395c553e94c"`
[INFO] [stdout] 099f547ccac4c2141aabb545da892ecd43add36b1192e6c228db7395c553e94c