[INFO] updating cached repository 3a4oT/learning_rust_fibonacci
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/3a4oT/learning_rust_fibonacci
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/3a4oT/learning_rust_fibonacci" "work/ex/beta-1.38-1/sources/1.37.0/gh/3a4oT/learning_rust_fibonacci"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/3a4oT/learning_rust_fibonacci'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/3a4oT/learning_rust_fibonacci" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/3a4oT/learning_rust_fibonacci"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/3a4oT/learning_rust_fibonacci'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bdf60b098b5798fa7e6eb6f74ae35fb01a746b9d
[INFO] sha for GitHub repo 3a4oT/learning_rust_fibonacci: bdf60b098b5798fa7e6eb6f74ae35fb01a746b9d
[INFO] validating manifest of 3a4oT/learning_rust_fibonacci 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 3a4oT/learning_rust_fibonacci 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 3a4oT/learning_rust_fibonacci
[INFO] finished frobbing 3a4oT/learning_rust_fibonacci
[INFO] frobbed toml for 3a4oT/learning_rust_fibonacci written to work/ex/beta-1.38-1/sources/1.37.0/gh/3a4oT/learning_rust_fibonacci/Cargo.toml
[INFO] started frobbing 3a4oT/learning_rust_fibonacci
[INFO] finished frobbing 3a4oT/learning_rust_fibonacci
[INFO] frobbed toml for 3a4oT/learning_rust_fibonacci written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/3a4oT/learning_rust_fibonacci/Cargo.toml
[INFO] crate 3a4oT/learning_rust_fibonacci 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 3a4oT/learning_rust_fibonacci against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/3a4oT/learning_rust_fibonacci:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 01bd6d9e6dbc80ba9e9466df5140d9dd4f37fcf5b14e61ea9e36f3f3d4d2ec5b
[INFO] running `"docker" "start" "-a" "01bd6d9e6dbc80ba9e9466df5140d9dd4f37fcf5b14e61ea9e36f3f3d4d2ec5b"`
[INFO] [stderr]    Compiling learning_rust_fibonacci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "01bd6d9e6dbc80ba9e9466df5140d9dd4f37fcf5b14e61ea9e36f3f3d4d2ec5b"`
[INFO] running `"docker" "rm" "-f" "01bd6d9e6dbc80ba9e9466df5140d9dd4f37fcf5b14e61ea9e36f3f3d4d2ec5b"`
[INFO] [stdout] 01bd6d9e6dbc80ba9e9466df5140d9dd4f37fcf5b14e61ea9e36f3f3d4d2ec5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/3a4oT/learning_rust_fibonacci:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 93ee958afa670fb7de2cb32473523f03e75dc1c1ac1182404a3dcca0097b6198
[INFO] running `"docker" "start" "-a" "93ee958afa670fb7de2cb32473523f03e75dc1c1ac1182404a3dcca0097b6198"`
[INFO] [stderr]    Compiling learning_rust_fibonacci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "93ee958afa670fb7de2cb32473523f03e75dc1c1ac1182404a3dcca0097b6198"`
[INFO] running `"docker" "rm" "-f" "93ee958afa670fb7de2cb32473523f03e75dc1c1ac1182404a3dcca0097b6198"`
[INFO] [stdout] 93ee958afa670fb7de2cb32473523f03e75dc1c1ac1182404a3dcca0097b6198
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/3a4oT/learning_rust_fibonacci:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e98f74cf809ce79a060a0fb8865665957343506832b8a1b4f5872596da1eadb3
[INFO] running `"docker" "start" "-a" "e98f74cf809ce79a060a0fb8865665957343506832b8a1b4f5872596da1eadb3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learning_rust_fibonacci-0e327dcc67cae0da
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_returns_correct_number ... 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" "e98f74cf809ce79a060a0fb8865665957343506832b8a1b4f5872596da1eadb3"`
[INFO] running `"docker" "rm" "-f" "e98f74cf809ce79a060a0fb8865665957343506832b8a1b4f5872596da1eadb3"`
[INFO] [stdout] e98f74cf809ce79a060a0fb8865665957343506832b8a1b4f5872596da1eadb3