[INFO] updating cached repository jasonahills/monkey-interpreter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jasonahills/monkey-interpreter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jasonahills/monkey-interpreter" "work/ex/beta-1.37-6/sources/1.36.0/gh/jasonahills/monkey-interpreter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jasonahills/monkey-interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jasonahills/monkey-interpreter" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jasonahills/monkey-interpreter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jasonahills/monkey-interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dd9b8a8996556dab424684b9a0ec99b8dcd1555c
[INFO] sha for GitHub repo jasonahills/monkey-interpreter: dd9b8a8996556dab424684b9a0ec99b8dcd1555c
[INFO] validating manifest of jasonahills/monkey-interpreter 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 jasonahills/monkey-interpreter 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 jasonahills/monkey-interpreter
[INFO] finished frobbing jasonahills/monkey-interpreter
[INFO] frobbed toml for jasonahills/monkey-interpreter written to work/ex/beta-1.37-6/sources/1.36.0/gh/jasonahills/monkey-interpreter/Cargo.toml
[INFO] started frobbing jasonahills/monkey-interpreter
[INFO] finished frobbing jasonahills/monkey-interpreter
[INFO] frobbed toml for jasonahills/monkey-interpreter written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jasonahills/monkey-interpreter/Cargo.toml
[INFO] crate jasonahills/monkey-interpreter 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 jasonahills/monkey-interpreter 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-2/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/jasonahills/monkey-interpreter:/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] 2be86e6defc5b41462fe581cb695322655de635e33d5efed01b1cb9cf094634a
[INFO] running `"docker" "start" "-a" "2be86e6defc5b41462fe581cb695322655de635e33d5efed01b1cb9cf094634a"`
[INFO] [stderr]    Compiling monkey-interpreter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "2be86e6defc5b41462fe581cb695322655de635e33d5efed01b1cb9cf094634a"`
[INFO] running `"docker" "rm" "-f" "2be86e6defc5b41462fe581cb695322655de635e33d5efed01b1cb9cf094634a"`
[INFO] [stdout] 2be86e6defc5b41462fe581cb695322655de635e33d5efed01b1cb9cf094634a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/jasonahills/monkey-interpreter:/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] 8b99338eea0fecb3547bfe929ca7ff96d44e3ad6f4f4b68f807fcfbc7d6eeb89
[INFO] running `"docker" "start" "-a" "8b99338eea0fecb3547bfe929ca7ff96d44e3ad6f4f4b68f807fcfbc7d6eeb89"`
[INFO] [stderr]    Compiling monkey-interpreter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `"docker" "inspect" "8b99338eea0fecb3547bfe929ca7ff96d44e3ad6f4f4b68f807fcfbc7d6eeb89"`
[INFO] running `"docker" "rm" "-f" "8b99338eea0fecb3547bfe929ca7ff96d44e3ad6f4f4b68f807fcfbc7d6eeb89"`
[INFO] [stdout] 8b99338eea0fecb3547bfe929ca7ff96d44e3ad6f4f4b68f807fcfbc7d6eeb89
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/jasonahills/monkey-interpreter:/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] dec7370c07d6c3e5e77fc0fee4e1c8a7e1b2b8a29cc0ad8f7867c7193f8072f4
[INFO] running `"docker" "start" "-a" "dec7370c07d6c3e5e77fc0fee4e1c8a7e1b2b8a29cc0ad8f7867c7193f8072f4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monkey_interpreter-dff19c036dbe7549
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test lexer::test::test_eat_whitespace ... ok
[INFO] [stdout] test lexer::test::test_lexer_ident ... ok
[INFO] [stdout] test lexer::test::test_lexer_single_chars ... ok
[INFO] [stdout] test lexer::test::test_some_code ... ok
[INFO] [stdout] test lexer::test::test_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/repl-528b1061532ac430
[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] [stderr]    Doc-tests monkey-interpreter
[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" "dec7370c07d6c3e5e77fc0fee4e1c8a7e1b2b8a29cc0ad8f7867c7193f8072f4"`
[INFO] running `"docker" "rm" "-f" "dec7370c07d6c3e5e77fc0fee4e1c8a7e1b2b8a29cc0ad8f7867c7193f8072f4"`
[INFO] [stdout] dec7370c07d6c3e5e77fc0fee4e1c8a7e1b2b8a29cc0ad8f7867c7193f8072f4