[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 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/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 981694360d27ee43dbb6011b647600f6775015c080f810cc6b04c904d04de30f
[INFO] running `"docker" "start" "-a" "981694360d27ee43dbb6011b647600f6775015c080f810cc6b04c904d04de30f"`
[INFO] [stderr]    Compiling learning_rust_fibonacci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "981694360d27ee43dbb6011b647600f6775015c080f810cc6b04c904d04de30f"`
[INFO] running `"docker" "rm" "-f" "981694360d27ee43dbb6011b647600f6775015c080f810cc6b04c904d04de30f"`
[INFO] [stdout] 981694360d27ee43dbb6011b647600f6775015c080f810cc6b04c904d04de30f
[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/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5d83be39324034da223b0b13f8cdceca05f8e96d5cd75d1fee669e6830b3fdfe
[INFO] running `"docker" "start" "-a" "5d83be39324034da223b0b13f8cdceca05f8e96d5cd75d1fee669e6830b3fdfe"`
[INFO] [stderr]    Compiling learning_rust_fibonacci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "5d83be39324034da223b0b13f8cdceca05f8e96d5cd75d1fee669e6830b3fdfe"`
[INFO] running `"docker" "rm" "-f" "5d83be39324034da223b0b13f8cdceca05f8e96d5cd75d1fee669e6830b3fdfe"`
[INFO] [stdout] 5d83be39324034da223b0b13f8cdceca05f8e96d5cd75d1fee669e6830b3fdfe
[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/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 32c389973b08e870f6a0fef7dd712ccb6fba052e195de4fa3169125cb7d83421
[INFO] running `"docker" "start" "-a" "32c389973b08e870f6a0fef7dd712ccb6fba052e195de4fa3169125cb7d83421"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learning_rust_fibonacci-f0c895f0a2128314
[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" "32c389973b08e870f6a0fef7dd712ccb6fba052e195de4fa3169125cb7d83421"`
[INFO] running `"docker" "rm" "-f" "32c389973b08e870f6a0fef7dd712ccb6fba052e195de4fa3169125cb7d83421"`
[INFO] [stdout] 32c389973b08e870f6a0fef7dd712ccb6fba052e195de4fa3169125cb7d83421