[INFO] updating cached repository yever/fibonacci.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yever/fibonacci.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yever/fibonacci.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/yever/fibonacci.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/yever/fibonacci.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yever/fibonacci.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yever/fibonacci.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yever/fibonacci.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d8919e479861dc71eb0d63dd0b6a73e9e14b977
[INFO] sha for GitHub repo yever/fibonacci.rs: 0d8919e479861dc71eb0d63dd0b6a73e9e14b977
[INFO] validating manifest of yever/fibonacci.rs 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 yever/fibonacci.rs 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 yever/fibonacci.rs
[INFO] finished frobbing yever/fibonacci.rs
[INFO] frobbed toml for yever/fibonacci.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/yever/fibonacci.rs/Cargo.toml
[INFO] started frobbing yever/fibonacci.rs
[INFO] finished frobbing yever/fibonacci.rs
[INFO] frobbed toml for yever/fibonacci.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yever/fibonacci.rs/Cargo.toml
[INFO] crate yever/fibonacci.rs 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 yever/fibonacci.rs 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yever/fibonacci.rs:/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] ca83cc98bb5a17a3f34bfa0b518879c9327bb1acf37f9220075ea01a9febc037
[INFO] running `"docker" "start" "-a" "ca83cc98bb5a17a3f34bfa0b518879c9327bb1acf37f9220075ea01a9febc037"`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "ca83cc98bb5a17a3f34bfa0b518879c9327bb1acf37f9220075ea01a9febc037"`
[INFO] running `"docker" "rm" "-f" "ca83cc98bb5a17a3f34bfa0b518879c9327bb1acf37f9220075ea01a9febc037"`
[INFO] [stdout] ca83cc98bb5a17a3f34bfa0b518879c9327bb1acf37f9220075ea01a9febc037
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yever/fibonacci.rs:/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] 0750ee3c67e3139fe67153e0188fcba9a7f8d6232b14181387ab4af0d7fd8cec
[INFO] running `"docker" "start" "-a" "0750ee3c67e3139fe67153e0188fcba9a7f8d6232b14181387ab4af0d7fd8cec"`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "0750ee3c67e3139fe67153e0188fcba9a7f8d6232b14181387ab4af0d7fd8cec"`
[INFO] running `"docker" "rm" "-f" "0750ee3c67e3139fe67153e0188fcba9a7f8d6232b14181387ab4af0d7fd8cec"`
[INFO] [stdout] 0750ee3c67e3139fe67153e0188fcba9a7f8d6232b14181387ab4af0d7fd8cec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/yever/fibonacci.rs:/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] 749c1edf106d00e12cb68d9e996de14b1fa16807a3ba147de472bdfb23c2b89d
[INFO] running `"docker" "start" "-a" "749c1edf106d00e12cb68d9e996de14b1fa16807a3ba147de472bdfb23c2b89d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fibonacci-19bbea4c069f7f17
[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" "749c1edf106d00e12cb68d9e996de14b1fa16807a3ba147de472bdfb23c2b89d"`
[INFO] running `"docker" "rm" "-f" "749c1edf106d00e12cb68d9e996de14b1fa16807a3ba147de472bdfb23c2b89d"`
[INFO] [stdout] 749c1edf106d00e12cb68d9e996de14b1fa16807a3ba147de472bdfb23c2b89d