[INFO] updating cached repository breezeplusblocks/study_rust_fibonacci
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/breezeplusblocks/study_rust_fibonacci
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/breezeplusblocks/study_rust_fibonacci" "work/ex/beta-1.37-6/sources/1.36.0/gh/breezeplusblocks/study_rust_fibonacci"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/breezeplusblocks/study_rust_fibonacci'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/breezeplusblocks/study_rust_fibonacci" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/breezeplusblocks/study_rust_fibonacci"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/breezeplusblocks/study_rust_fibonacci'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 16879f4537bcc85720bc50628f371a7c9b2734c5
[INFO] sha for GitHub repo breezeplusblocks/study_rust_fibonacci: 16879f4537bcc85720bc50628f371a7c9b2734c5
[INFO] validating manifest of breezeplusblocks/study_rust_fibonacci 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 breezeplusblocks/study_rust_fibonacci 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 breezeplusblocks/study_rust_fibonacci
[INFO] finished frobbing breezeplusblocks/study_rust_fibonacci
[INFO] frobbed toml for breezeplusblocks/study_rust_fibonacci written to work/ex/beta-1.37-6/sources/1.36.0/gh/breezeplusblocks/study_rust_fibonacci/Cargo.toml
[INFO] started frobbing breezeplusblocks/study_rust_fibonacci
[INFO] finished frobbing breezeplusblocks/study_rust_fibonacci
[INFO] frobbed toml for breezeplusblocks/study_rust_fibonacci written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/breezeplusblocks/study_rust_fibonacci/Cargo.toml
[INFO] crate breezeplusblocks/study_rust_fibonacci 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing breezeplusblocks/study_rust_fibonacci against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/breezeplusblocks/study_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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5b50b00b5d7333ddf3cd644e9c6c1029b9453a511771b4c82d755e59e726bd69
[INFO] running `"docker" "start" "-a" "5b50b00b5d7333ddf3cd644e9c6c1029b9453a511771b4c82d755e59e726bd69"`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "5b50b00b5d7333ddf3cd644e9c6c1029b9453a511771b4c82d755e59e726bd69"`
[INFO] running `"docker" "rm" "-f" "5b50b00b5d7333ddf3cd644e9c6c1029b9453a511771b4c82d755e59e726bd69"`
[INFO] [stdout] 5b50b00b5d7333ddf3cd644e9c6c1029b9453a511771b4c82d755e59e726bd69
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/breezeplusblocks/study_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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0f7231509fda2ae3d6d14eb8876a8ebb309fc6ed5cdeefdd098d477ca2a1d240
[INFO] running `"docker" "start" "-a" "0f7231509fda2ae3d6d14eb8876a8ebb309fc6ed5cdeefdd098d477ca2a1d240"`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "0f7231509fda2ae3d6d14eb8876a8ebb309fc6ed5cdeefdd098d477ca2a1d240"`
[INFO] running `"docker" "rm" "-f" "0f7231509fda2ae3d6d14eb8876a8ebb309fc6ed5cdeefdd098d477ca2a1d240"`
[INFO] [stdout] 0f7231509fda2ae3d6d14eb8876a8ebb309fc6ed5cdeefdd098d477ca2a1d240
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/breezeplusblocks/study_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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 62dd141edb31810029a64711e924a0c1e905eaa3e090cf33131a4f9bee48892e
[INFO] running `"docker" "start" "-a" "62dd141edb31810029a64711e924a0c1e905eaa3e090cf33131a4f9bee48892e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fibonacci-b2d2a201aa998299
[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" "62dd141edb31810029a64711e924a0c1e905eaa3e090cf33131a4f9bee48892e"`
[INFO] running `"docker" "rm" "-f" "62dd141edb31810029a64711e924a0c1e905eaa3e090cf33131a4f9bee48892e"`
[INFO] [stdout] 62dd141edb31810029a64711e924a0c1e905eaa3e090cf33131a4f9bee48892e