[INFO] updating cached repository huwsun/Simple_Interactive_Interpreter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/huwsun/Simple_Interactive_Interpreter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/huwsun/Simple_Interactive_Interpreter" "work/ex/beta-1.37-6/sources/1.36.0/gh/huwsun/Simple_Interactive_Interpreter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/huwsun/Simple_Interactive_Interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/huwsun/Simple_Interactive_Interpreter" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huwsun/Simple_Interactive_Interpreter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huwsun/Simple_Interactive_Interpreter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] df9d62c13133762414aa64ccc222de8ee7a690c2
[INFO] sha for GitHub repo huwsun/Simple_Interactive_Interpreter: df9d62c13133762414aa64ccc222de8ee7a690c2
[INFO] validating manifest of huwsun/Simple_Interactive_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 huwsun/Simple_Interactive_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 huwsun/Simple_Interactive_Interpreter
[INFO] finished frobbing huwsun/Simple_Interactive_Interpreter
[INFO] frobbed toml for huwsun/Simple_Interactive_Interpreter written to work/ex/beta-1.37-6/sources/1.36.0/gh/huwsun/Simple_Interactive_Interpreter/Cargo.toml
[INFO] started frobbing huwsun/Simple_Interactive_Interpreter
[INFO] finished frobbing huwsun/Simple_Interactive_Interpreter
[INFO] frobbed toml for huwsun/Simple_Interactive_Interpreter written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huwsun/Simple_Interactive_Interpreter/Cargo.toml
[INFO] crate huwsun/Simple_Interactive_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 huwsun/Simple_Interactive_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/huwsun/Simple_Interactive_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] 8a5874bd292cf6f9533f2df49c4ee96a9298d7c346fcf77fd7fabd2707d7762f
[INFO] running `"docker" "start" "-a" "8a5874bd292cf6f9533f2df49c4ee96a9298d7c346fcf77fd7fabd2707d7762f"`
[INFO] [stderr]    Compiling interpreter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Lexer`
[INFO] [stderr]  --> src/main.rs:6:31
[INFO] [stderr]   |
[INFO] [stderr] 6 | use interpreter::{Interpreter,Lexer};
[INFO] [stderr]   |                               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "8a5874bd292cf6f9533f2df49c4ee96a9298d7c346fcf77fd7fabd2707d7762f"`
[INFO] running `"docker" "rm" "-f" "8a5874bd292cf6f9533f2df49c4ee96a9298d7c346fcf77fd7fabd2707d7762f"`
[INFO] [stdout] 8a5874bd292cf6f9533f2df49c4ee96a9298d7c346fcf77fd7fabd2707d7762f
[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/huwsun/Simple_Interactive_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] 36c05cc3e03a57a3a637ed151082859f707bda60973eb5a5511ead6fb4c6a331
[INFO] running `"docker" "start" "-a" "36c05cc3e03a57a3a637ed151082859f707bda60973eb5a5511ead6fb4c6a331"`
[INFO] [stderr]    Compiling interpreter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Lexer`
[INFO] [stderr]  --> src/main.rs:6:31
[INFO] [stderr]   |
[INFO] [stderr] 6 | use interpreter::{Interpreter,Lexer};
[INFO] [stderr]   |                               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `"docker" "inspect" "36c05cc3e03a57a3a637ed151082859f707bda60973eb5a5511ead6fb4c6a331"`
[INFO] running `"docker" "rm" "-f" "36c05cc3e03a57a3a637ed151082859f707bda60973eb5a5511ead6fb4c6a331"`
[INFO] [stdout] 36c05cc3e03a57a3a637ed151082859f707bda60973eb5a5511ead6fb4c6a331
[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/huwsun/Simple_Interactive_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] 2040e3dc7ebfb7b9420b520b35bcbe4f40dc080be51ceb4161a0d87cd3c51cf1
[INFO] running `"docker" "start" "-a" "2040e3dc7ebfb7b9420b520b35bcbe4f40dc080be51ceb4161a0d87cd3c51cf1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/interpreter-d2ee552861c85874
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test interpreter::variables ... ok
[INFO] [stdout] test interpreter::functions ... ok
[INFO] [stdout] test interpreter::conflicts ... ok
[INFO] [stdout] test interpreter::basic_arithmetic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2040e3dc7ebfb7b9420b520b35bcbe4f40dc080be51ceb4161a0d87cd3c51cf1"`
[INFO] running `"docker" "rm" "-f" "2040e3dc7ebfb7b9420b520b35bcbe4f40dc080be51ceb4161a0d87cd3c51cf1"`
[INFO] [stdout] 2040e3dc7ebfb7b9420b520b35bcbe4f40dc080be51ceb4161a0d87cd3c51cf1