[INFO] updating cached repository NicholasLYang/rust-calculator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/NicholasLYang/rust-calculator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/NicholasLYang/rust-calculator" "work/ex/beta-1.37-6/sources/1.36.0/gh/NicholasLYang/rust-calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/NicholasLYang/rust-calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NicholasLYang/rust-calculator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NicholasLYang/rust-calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NicholasLYang/rust-calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5a85d3d559e4fa9652f54276213edd771a4c48c6
[INFO] sha for GitHub repo NicholasLYang/rust-calculator: 5a85d3d559e4fa9652f54276213edd771a4c48c6
[INFO] validating manifest of NicholasLYang/rust-calculator 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 NicholasLYang/rust-calculator 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 NicholasLYang/rust-calculator
[INFO] finished frobbing NicholasLYang/rust-calculator
[INFO] frobbed toml for NicholasLYang/rust-calculator written to work/ex/beta-1.37-6/sources/1.36.0/gh/NicholasLYang/rust-calculator/Cargo.toml
[INFO] started frobbing NicholasLYang/rust-calculator
[INFO] finished frobbing NicholasLYang/rust-calculator
[INFO] frobbed toml for NicholasLYang/rust-calculator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NicholasLYang/rust-calculator/Cargo.toml
[INFO] crate NicholasLYang/rust-calculator 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 NicholasLYang/rust-calculator 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-5/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/NicholasLYang/rust-calculator:/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] 08a62afc71b51b1c14a7a5b44b40904e39028bdbee05fb1822c9cea381890c49
[INFO] running `"docker" "start" "-a" "08a62afc71b51b1c14a7a5b44b40904e39028bdbee05fb1822c9cea381890c49"`
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling lalrpop-util v0.16.1
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling ena v0.10.1
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling syn v0.15.14
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling docopt v1.0.1
[INFO] [stderr]    Compiling lalrpop v0.16.1
[INFO] [stderr]    Compiling rust-calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `"docker" "inspect" "08a62afc71b51b1c14a7a5b44b40904e39028bdbee05fb1822c9cea381890c49"`
[INFO] running `"docker" "rm" "-f" "08a62afc71b51b1c14a7a5b44b40904e39028bdbee05fb1822c9cea381890c49"`
[INFO] [stdout] 08a62afc71b51b1c14a7a5b44b40904e39028bdbee05fb1822c9cea381890c49
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/NicholasLYang/rust-calculator:/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] 72bde9021903ea7575755dbf69926d41322bf30e749728bccfe0ae5afeb7a883
[INFO] running `"docker" "start" "-a" "72bde9021903ea7575755dbf69926d41322bf30e749728bccfe0ae5afeb7a883"`
[INFO] [stderr]    Compiling rust-calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "72bde9021903ea7575755dbf69926d41322bf30e749728bccfe0ae5afeb7a883"`
[INFO] running `"docker" "rm" "-f" "72bde9021903ea7575755dbf69926d41322bf30e749728bccfe0ae5afeb7a883"`
[INFO] [stdout] 72bde9021903ea7575755dbf69926d41322bf30e749728bccfe0ae5afeb7a883
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/NicholasLYang/rust-calculator:/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] 6a07e64066c5830dc521291e60ccb597d903a6b06a0f8639f0eb89489cb8fbea
[INFO] running `"docker" "start" "-a" "6a07e64066c5830dc521291e60ccb597d903a6b06a0f8639f0eb89489cb8fbea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_calculator-511ef5a0f957ba17
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_optimize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6a07e64066c5830dc521291e60ccb597d903a6b06a0f8639f0eb89489cb8fbea"`
[INFO] running `"docker" "rm" "-f" "6a07e64066c5830dc521291e60ccb597d903a6b06a0f8639f0eb89489cb8fbea"`
[INFO] [stdout] 6a07e64066c5830dc521291e60ccb597d903a6b06a0f8639f0eb89489cb8fbea