[INFO] updating cached repository nasso/rscc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nasso/rscc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nasso/rscc" "work/ex/beta-1.37-6/sources/1.36.0/gh/nasso/rscc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nasso/rscc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nasso/rscc" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nasso/rscc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nasso/rscc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c6715bcc37b0b06ad6423af7c4d762289df66921
[INFO] sha for GitHub repo nasso/rscc: c6715bcc37b0b06ad6423af7c4d762289df66921
[INFO] validating manifest of nasso/rscc on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nasso/rscc on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nasso/rscc
[INFO] finished frobbing nasso/rscc
[INFO] frobbed toml for nasso/rscc written to work/ex/beta-1.37-6/sources/1.36.0/gh/nasso/rscc/Cargo.toml
[INFO] started frobbing nasso/rscc
[INFO] finished frobbing nasso/rscc
[INFO] frobbed toml for nasso/rscc written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nasso/rscc/Cargo.toml
[INFO] crate nasso/rscc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing nasso/rscc against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nasso/rscc:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 1fa2db26dbf9f4c5cc5e7be10a98402b2a829ad41b8bdba6b2f4f74d82f460c6
[INFO] running `"docker" "start" "-a" "1fa2db26dbf9f4c5cc5e7be10a98402b2a829ad41b8bdba6b2f4f74d82f460c6"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling nom v5.0.0-beta2
[INFO] [stderr]    Compiling stackvector v1.0.2
[INFO] [stderr]    Compiling lexical-core v0.4.0
[INFO] [stderr]    Compiling rscc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `pp_tokens`
[INFO] [stderr]   --> src/pre/mod.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let pp_tokens = parse::parse_preprocessing_file::<VerboseError<&str>>(&source)
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_pp_tokens`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.15s
[INFO] running `"docker" "inspect" "1fa2db26dbf9f4c5cc5e7be10a98402b2a829ad41b8bdba6b2f4f74d82f460c6"`
[INFO] running `"docker" "rm" "-f" "1fa2db26dbf9f4c5cc5e7be10a98402b2a829ad41b8bdba6b2f4f74d82f460c6"`
[INFO] [stdout] 1fa2db26dbf9f4c5cc5e7be10a98402b2a829ad41b8bdba6b2f4f74d82f460c6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nasso/rscc:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 638d57c3edf9b12e6691d999ad9903645a165f17875952330804d2cb70bec269
[INFO] running `"docker" "start" "-a" "638d57c3edf9b12e6691d999ad9903645a165f17875952330804d2cb70bec269"`
[INFO] [stderr]    Compiling rscc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `pp_tokens`
[INFO] [stderr]   --> src/pre/mod.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |     let pp_tokens = parse::parse_preprocessing_file::<VerboseError<&str>>(&source)
[INFO] [stderr]    |         ^^^^^^^^^ help: consider prefixing with an underscore: `_pp_tokens`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `"docker" "inspect" "638d57c3edf9b12e6691d999ad9903645a165f17875952330804d2cb70bec269"`
[INFO] running `"docker" "rm" "-f" "638d57c3edf9b12e6691d999ad9903645a165f17875952330804d2cb70bec269"`
[INFO] [stdout] 638d57c3edf9b12e6691d999ad9903645a165f17875952330804d2cb70bec269
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nasso/rscc:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 5305fcdd7566bbaf1c74f6d57574fac6af37d9ece9a98be7caf87a1db2cba8b7
[INFO] running `"docker" "start" "-a" "5305fcdd7566bbaf1c74f6d57574fac6af37d9ece9a98be7caf87a1db2cba8b7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rscc-64ae3817f1f36e7f
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test parser::common::tests::parse_primitive_type ... ok
[INFO] [stdout] test parser::common::tests::parse_long_decimal_constant ... ok
[INFO] [stdout] test parser::common::tests::parse_identifier ... ok
[INFO] [stdout] test parser::common::tests::parse_decimal_constant ... ok
[INFO] [stdout] test parser::statements::tests::parse_return_statement ... ok
[INFO] [stdout] test parser::common::tests::parse_unsigned_long_decimal_constant ... ok
[INFO] [stdout] test parser::common::tests::parse_func_args_def ... ok
[INFO] [stdout] test parser::common::tests::parse_unsigned_decimal_constant ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_character_constant ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_control_line ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_identifier ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_header_name ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_control_line_whitespace ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_string_literal ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_pp_number ... ok
[INFO] [stdout] test pre::tests::test_escape_newlines ... ok
[INFO] [stdout] test pre::tests::test_sanitize_newlines ... ok
[INFO] [stdout] test pre::tests::test_replace_trigraph_sequences ... ok
[INFO] [stdout] test parser::common::tests::parse_identifier_panic_when_starts_with_digit ... ok
[INFO] [stdout] test parser::common::tests::parse_identifier_panic_when_reserved ... ok
[INFO] [stdout] test parser::common::tests::parse_func_args_def_panic_on_trailing_comma ... ok
[INFO] [stdout] test pre::parse::tests::test_parse_identifier_fail ... ok
[INFO] [stdout] test parser::common::tests::parse_primitive_type_panic_on_invalid_type ... ok
[INFO] [stdout] test pre::parse::tests::test_tokens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rscc-89860abb3cc29e85
[INFO] [stderr]    Doc-tests rscc
[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] [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" "5305fcdd7566bbaf1c74f6d57574fac6af37d9ece9a98be7caf87a1db2cba8b7"`
[INFO] running `"docker" "rm" "-f" "5305fcdd7566bbaf1c74f6d57574fac6af37d9ece9a98be7caf87a1db2cba8b7"`
[INFO] [stdout] 5305fcdd7566bbaf1c74f6d57574fac6af37d9ece9a98be7caf87a1db2cba8b7