[INFO] updating cached repository charleskorn/adder-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/charleskorn/adder-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/charleskorn/adder-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/charleskorn/adder-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/charleskorn/adder-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/charleskorn/adder-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/charleskorn/adder-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/charleskorn/adder-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 550419d98fcf1126b7f31cd8f9887fccdc6eb8e5
[INFO] sha for GitHub repo charleskorn/adder-rust: 550419d98fcf1126b7f31cd8f9887fccdc6eb8e5
[INFO] validating manifest of charleskorn/adder-rust 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 charleskorn/adder-rust 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 charleskorn/adder-rust
[INFO] finished frobbing charleskorn/adder-rust
[INFO] frobbed toml for charleskorn/adder-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/charleskorn/adder-rust/Cargo.toml
[INFO] started frobbing charleskorn/adder-rust
[INFO] finished frobbing charleskorn/adder-rust
[INFO] frobbed toml for charleskorn/adder-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/charleskorn/adder-rust/Cargo.toml
[INFO] crate charleskorn/adder-rust 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 charleskorn/adder-rust 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/charleskorn/adder-rust:/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] 96761649eb1c96810160fd917b4337623470a4e62809171ea83fab28026731fb
[INFO] running `"docker" "start" "-a" "96761649eb1c96810160fd917b4337623470a4e62809171ea83fab28026731fb"`
[INFO] [stderr]    Compiling adder-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "96761649eb1c96810160fd917b4337623470a4e62809171ea83fab28026731fb"`
[INFO] running `"docker" "rm" "-f" "96761649eb1c96810160fd917b4337623470a4e62809171ea83fab28026731fb"`
[INFO] [stdout] 96761649eb1c96810160fd917b4337623470a4e62809171ea83fab28026731fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/charleskorn/adder-rust:/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] 5bc3be824bef12cb4f84b372b29b07c07b871ec36c551fc980e0942c989ff272
[INFO] running `"docker" "start" "-a" "5bc3be824bef12cb4f84b372b29b07c07b871ec36c551fc980e0942c989ff272"`
[INFO] [stderr]    Compiling adder-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "5bc3be824bef12cb4f84b372b29b07c07b871ec36c551fc980e0942c989ff272"`
[INFO] running `"docker" "rm" "-f" "5bc3be824bef12cb4f84b372b29b07c07b871ec36c551fc980e0942c989ff272"`
[INFO] [stdout] 5bc3be824bef12cb4f84b372b29b07c07b871ec36c551fc980e0942c989ff272
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/charleskorn/adder-rust:/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] 1e5298c84a33d9e866038c6bfe778882a52fb93b44382ad3afae26a8bf7850c7
[INFO] running `"docker" "start" "-a" "1e5298c84a33d9e866038c6bfe778882a52fb93b44382ad3afae26a8bf7850c7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/adder_rust-bc3f9f8d655685d8
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test adder::test::mixed_sign_negative_result ... ok
[INFO] [stdout] test adder::test::both_positive_carries ... ok
[INFO] [stdout] test adder::test::mixed_sign_positive_result ... ok
[INFO] [stdout] test adder::test::both_positive_no_carries ... ok
[INFO] [stdout] test ui::test::no_arguments_returns_error ... ok
[INFO] [stdout] test ui::test::negative_numbers_returns_result ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/adder_rust-c102718aca0b7892
[INFO] [stdout] test adder::test::zero_plus_zero ... ok
[INFO] [stdout] test adder::test::zero_plus_one ... ok
[INFO] [stdout] test adder::test::zero_minus_one ... ok
[INFO] [stdout] test adder::test::one_minus_one ... ok
[INFO] [stdout] test adder::test::one_plus_zero ... ok
[INFO] [stdout] test adder::test::two_negatives ... ok
[INFO] [stdout] test ui::test::non_integer_first_argument_returns_error ... ok
[INFO] [stdout] test ui::test::non_integer_second_argument_returns_error ... ok
[INFO] [stdout] test ui::test::non_numeric_first_argument_returns_error ... ok
[INFO] [stdout] test ui::test::non_numeric_second_argument_returns_error ... ok
[INFO] [stdout] test ui::test::three_arguments_returns_error ... ok
[INFO] [stdout] test ui::test::valid_input_returns_result ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 adder-rust
[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" "1e5298c84a33d9e866038c6bfe778882a52fb93b44382ad3afae26a8bf7850c7"`
[INFO] running `"docker" "rm" "-f" "1e5298c84a33d9e866038c6bfe778882a52fb93b44382ad3afae26a8bf7850c7"`
[INFO] [stdout] 1e5298c84a33d9e866038c6bfe778882a52fb93b44382ad3afae26a8bf7850c7