[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 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/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] f7fcb3939230c90c657ae7920dc94a4bd610d2cc8bd2404d9ff5926172b0efe1
[INFO] running `"docker" "start" "-a" "f7fcb3939230c90c657ae7920dc94a4bd610d2cc8bd2404d9ff5926172b0efe1"`
[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" "f7fcb3939230c90c657ae7920dc94a4bd610d2cc8bd2404d9ff5926172b0efe1"`
[INFO] running `"docker" "rm" "-f" "f7fcb3939230c90c657ae7920dc94a4bd610d2cc8bd2404d9ff5926172b0efe1"`
[INFO] [stdout] f7fcb3939230c90c657ae7920dc94a4bd610d2cc8bd2404d9ff5926172b0efe1
[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/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 91224c1dcfc9e4657cbb9e4a4cb4009597f12c8cdfeb43fe08586d6d3a3d917e
[INFO] running `"docker" "start" "-a" "91224c1dcfc9e4657cbb9e4a4cb4009597f12c8cdfeb43fe08586d6d3a3d917e"`
[INFO] [stderr]    Compiling monkey-interpreter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "91224c1dcfc9e4657cbb9e4a4cb4009597f12c8cdfeb43fe08586d6d3a3d917e"`
[INFO] running `"docker" "rm" "-f" "91224c1dcfc9e4657cbb9e4a4cb4009597f12c8cdfeb43fe08586d6d3a3d917e"`
[INFO] [stdout] 91224c1dcfc9e4657cbb9e4a4cb4009597f12c8cdfeb43fe08586d6d3a3d917e
[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/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 4d4ecd9f0f5909a27d19370cc15319f39accfab3178e88f4f7d1530f9c67fc17
[INFO] running `"docker" "start" "-a" "4d4ecd9f0f5909a27d19370cc15319f39accfab3178e88f4f7d1530f9c67fc17"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monkey_interpreter-2200615b32a95100
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test lexer::test::test_lexer_single_chars ... ok
[INFO] [stdout] test lexer::test::test_eat_whitespace ... ok
[INFO] [stdout] test lexer::test::test_lexer_ident ... 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-a0219c83bdc19d79
[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" "4d4ecd9f0f5909a27d19370cc15319f39accfab3178e88f4f7d1530f9c67fc17"`
[INFO] running `"docker" "rm" "-f" "4d4ecd9f0f5909a27d19370cc15319f39accfab3178e88f4f7d1530f9c67fc17"`
[INFO] [stdout] 4d4ecd9f0f5909a27d19370cc15319f39accfab3178e88f4f7d1530f9c67fc17