[INFO] cloning repository NicholasLYang/rust-calculator
[INFO] running `"git" "clone" "--bare" "git://github.com/NicholasLYang/rust-calculator.git" "work/cache/sources/gh/NicholasLYang/rust-calculator"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/NicholasLYang/rust-calculator'...
[INFO] running `"git" "clone" "work/cache/sources/gh/NicholasLYang/rust-calculator" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/NicholasLYang/rust-calculator"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/NicholasLYang/rust-calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NicholasLYang/rust-calculator" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/NicholasLYang/rust-calculator"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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 master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of NicholasLYang/rust-calculator on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing NicholasLYang/rust-calculator against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 69f417c045b663f7cd8f1cd98723c8bf211d49a268581241d0dcf1a173d7e93d
[INFO] running `"docker" "start" "-a" "69f417c045b663f7cd8f1cd98723c8bf211d49a268581241d0dcf1a173d7e93d"`
[INFO] [stderr]    Compiling lalrpop-util v0.16.1
[INFO] [stderr]    Compiling ena v0.10.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling syn v0.15.14
[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 40s
[INFO] running `"docker" "inspect" "69f417c045b663f7cd8f1cd98723c8bf211d49a268581241d0dcf1a173d7e93d"`
[INFO] running `"docker" "rm" "-f" "69f417c045b663f7cd8f1cd98723c8bf211d49a268581241d0dcf1a173d7e93d"`
[INFO] [stdout] 69f417c045b663f7cd8f1cd98723c8bf211d49a268581241d0dcf1a173d7e93d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2168cceb1ac9698b73fd685127333ce0d6470fc1f21753eaa03b752d16c7912c
[INFO] running `"docker" "start" "-a" "2168cceb1ac9698b73fd685127333ce0d6470fc1f21753eaa03b752d16c7912c"`
[INFO] [stderr]    Compiling rust-calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "2168cceb1ac9698b73fd685127333ce0d6470fc1f21753eaa03b752d16c7912c"`
[INFO] running `"docker" "rm" "-f" "2168cceb1ac9698b73fd685127333ce0d6470fc1f21753eaa03b752d16c7912c"`
[INFO] [stdout] 2168cceb1ac9698b73fd685127333ce0d6470fc1f21753eaa03b752d16c7912c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] b6a293df29dce0a63edd05f9c5aa96180705fe24b16df16cd0780b206d9ca0fa
[INFO] running `"docker" "start" "-a" "b6a293df29dce0a63edd05f9c5aa96180705fe24b16df16cd0780b206d9ca0fa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_calculator-0b7d4bdfdf4c7a4e
[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" "b6a293df29dce0a63edd05f9c5aa96180705fe24b16df16cd0780b206d9ca0fa"`
[INFO] running `"docker" "rm" "-f" "b6a293df29dce0a63edd05f9c5aa96180705fe24b16df16cd0780b206d9ca0fa"`
[INFO] [stdout] b6a293df29dce0a63edd05f9c5aa96180705fe24b16df16cd0780b206d9ca0fa