[INFO] updating cached repository thecreamedcorn/peg_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thecreamedcorn/peg_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thecreamedcorn/peg_rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/thecreamedcorn/peg_rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/thecreamedcorn/peg_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thecreamedcorn/peg_rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thecreamedcorn/peg_rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thecreamedcorn/peg_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 446114320b5baa4cb9ebcab14215fb3871a8ed76
[INFO] sha for GitHub repo thecreamedcorn/peg_rs: 446114320b5baa4cb9ebcab14215fb3871a8ed76
[INFO] validating manifest of thecreamedcorn/peg_rs 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 thecreamedcorn/peg_rs 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 thecreamedcorn/peg_rs
[INFO] finished frobbing thecreamedcorn/peg_rs
[INFO] frobbed toml for thecreamedcorn/peg_rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/thecreamedcorn/peg_rs/Cargo.toml
[INFO] started frobbing thecreamedcorn/peg_rs
[INFO] finished frobbing thecreamedcorn/peg_rs
[INFO] frobbed toml for thecreamedcorn/peg_rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thecreamedcorn/peg_rs/Cargo.toml
[INFO] crate thecreamedcorn/peg_rs 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing thecreamedcorn/peg_rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/thecreamedcorn/peg_rs:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] d84e6f3d38aea1be8e6f68f672a7c3c8110cfe34338c55c0996cdcb2087d8f81
[INFO] running `"docker" "start" "-a" "d84e6f3d38aea1be8e6f68f672a7c3c8110cfe34338c55c0996cdcb2087d8f81"`
[INFO] [stderr]    Compiling peg_rs v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/peg_rs/grammar_nodes/choice.rs:22:38
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 ParseResult::Success(mut parse_data) => return ParseResult::Success(parse_data),
[INFO] [stderr]    |                                      ----^^^^^^^^^^
[INFO] [stderr]    |                                      |
[INFO] [stderr]    |                                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "d84e6f3d38aea1be8e6f68f672a7c3c8110cfe34338c55c0996cdcb2087d8f81"`
[INFO] running `"docker" "rm" "-f" "d84e6f3d38aea1be8e6f68f672a7c3c8110cfe34338c55c0996cdcb2087d8f81"`
[INFO] [stdout] d84e6f3d38aea1be8e6f68f672a7c3c8110cfe34338c55c0996cdcb2087d8f81
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/thecreamedcorn/peg_rs:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ee4d05efcc29bac88ef57d05e9be93ff0071d7be6532b28221fde3f04bc27c52
[INFO] running `"docker" "start" "-a" "ee4d05efcc29bac88ef57d05e9be93ff0071d7be6532b28221fde3f04bc27c52"`
[INFO] [stderr]    Compiling peg_rs v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]    --> src/peg_rs/grammar_nodes/char_class.rs:119:9
[INFO] [stderr]     |
[INFO] [stderr] 119 |     let num: Rc<RefCell<i64>> = Rc::new(RefCell::new(5));
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_num`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/peg_rs/grammar_nodes/choice.rs:22:38
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 ParseResult::Success(mut parse_data) => return ParseResult::Success(parse_data),
[INFO] [stderr]    |                                      ----^^^^^^^^^^
[INFO] [stderr]    |                                      |
[INFO] [stderr]    |                                      help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "ee4d05efcc29bac88ef57d05e9be93ff0071d7be6532b28221fde3f04bc27c52"`
[INFO] running `"docker" "rm" "-f" "ee4d05efcc29bac88ef57d05e9be93ff0071d7be6532b28221fde3f04bc27c52"`
[INFO] [stdout] ee4d05efcc29bac88ef57d05e9be93ff0071d7be6532b28221fde3f04bc27c52
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/thecreamedcorn/peg_rs:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 8064e231dd2508756f054c77b94ff029d44ad5205fdf4646ec3aaccdc7bb6eee
[INFO] running `"docker" "start" "-a" "8064e231dd2508756f054c77b94ff029d44ad5205fdf4646ec3aaccdc7bb6eee"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/peg_rs-3f0496f4eab825f2
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test peg_rs::grammar_nodes::and::test_and ... ok
[INFO] [stdout] test peg_rs::grammar_nodes::capture::test_capture ... ok
[INFO] [stdout] test peg_rs::grammar_nodes::char_class::test_char_class ... ok
[INFO] [stdout] test peg_rs::grammar_nodes::choice::test_choice ... ok
[INFO] [stdout] test peg_rs::grammar_nodes::one_or_more::test_one_or_more ... ok
[INFO] [stdout] test peg_rs::calculator_test ... ok
[INFO] [stdout] test peg_rs::grammar_nodes::str_lit::test_str_lit ... ok
[INFO] [stdout] test peg_rs::grammar_nodes::production::test_production ... ok
[INFO] [stdout] test peg_rs::grammar_nodes::zero_or_more::test_zero_or_more ... ok
[INFO] [stdout] test peg_rs::utils::parsable::test_parsable ... ok
[INFO] [stdout] test peg_rs::grammar_nodes::union::test_union ... ok
[INFO] [stdout] test peg_rs::grammar_nodes::not::test_not ... ok
[INFO] [stdout] test peg_rs::grammar_nodes::zero_or_one::test_zero_or_one ... ok
[INFO] [stdout] test peg_rs::grammar_nodes::sem_act::test_semantic_actions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests peg_rs
[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" "8064e231dd2508756f054c77b94ff029d44ad5205fdf4646ec3aaccdc7bb6eee"`
[INFO] running `"docker" "rm" "-f" "8064e231dd2508756f054c77b94ff029d44ad5205fdf4646ec3aaccdc7bb6eee"`
[INFO] [stdout] 8064e231dd2508756f054c77b94ff029d44ad5205fdf4646ec3aaccdc7bb6eee