[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-1.38-1/sources/1.37.0/gh/jasonahills/monkey-interpreter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jasonahills/monkey-interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jasonahills/monkey-interpreter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jasonahills/monkey-interpreter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jasonahills/monkey-interpreter 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 jasonahills/monkey-interpreter
[INFO] finished frobbing jasonahills/monkey-interpreter
[INFO] frobbed toml for jasonahills/monkey-interpreter written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 jasonahills/monkey-interpreter against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f076b471935ce12ac9fbdd650acea00f6e30dc085b21f19573dfa46453fff11e
[INFO] running `"docker" "start" "-a" "f076b471935ce12ac9fbdd650acea00f6e30dc085b21f19573dfa46453fff11e"`
[INFO] [stderr]    Compiling monkey-interpreter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "f076b471935ce12ac9fbdd650acea00f6e30dc085b21f19573dfa46453fff11e"`
[INFO] running `"docker" "rm" "-f" "f076b471935ce12ac9fbdd650acea00f6e30dc085b21f19573dfa46453fff11e"`
[INFO] [stdout] f076b471935ce12ac9fbdd650acea00f6e30dc085b21f19573dfa46453fff11e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3af636b66688324365fe9acdb63fc09477063761e712bfdf7d7091f562e7adc4
[INFO] running `"docker" "start" "-a" "3af636b66688324365fe9acdb63fc09477063761e712bfdf7d7091f562e7adc4"`
[INFO] [stderr]    Compiling monkey-interpreter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "3af636b66688324365fe9acdb63fc09477063761e712bfdf7d7091f562e7adc4"`
[INFO] running `"docker" "rm" "-f" "3af636b66688324365fe9acdb63fc09477063761e712bfdf7d7091f562e7adc4"`
[INFO] [stdout] 3af636b66688324365fe9acdb63fc09477063761e712bfdf7d7091f562e7adc4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] ef7af2f622d24819171a339a62cc02a8dcb420e13a6df079ce1b109653e03189
[INFO] running `"docker" "start" "-a" "ef7af2f622d24819171a339a62cc02a8dcb420e13a6df079ce1b109653e03189"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monkey_interpreter-cb0abc6196b9c4ed
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test lexer::test::test_some_code ... ok
[INFO] [stdout] test lexer::test::test_test ... ok
[INFO] [stdout] test lexer::test::test_lexer_single_chars ... ok
[INFO] [stdout] test lexer::test::test_lexer_ident ... ok
[INFO] [stdout] test lexer::test::test_eat_whitespace ... 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-fcb3405b8d2f3aa3
[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" "ef7af2f622d24819171a339a62cc02a8dcb420e13a6df079ce1b109653e03189"`
[INFO] running `"docker" "rm" "-f" "ef7af2f622d24819171a339a62cc02a8dcb420e13a6df079ce1b109653e03189"`
[INFO] [stdout] ef7af2f622d24819171a339a62cc02a8dcb420e13a6df079ce1b109653e03189