[INFO] updating cached repository TidyMaze/fibonacciCached
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TidyMaze/fibonacciCached
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TidyMaze/fibonacciCached" "work/ex/beta-1.38-1/sources/1.37.0/gh/TidyMaze/fibonacciCached"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/TidyMaze/fibonacciCached'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TidyMaze/fibonacciCached" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TidyMaze/fibonacciCached"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TidyMaze/fibonacciCached'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d8d2cd4d7e80cff309ee6a563709e32fc9d4f178
[INFO] sha for GitHub repo TidyMaze/fibonacciCached: d8d2cd4d7e80cff309ee6a563709e32fc9d4f178
[INFO] validating manifest of TidyMaze/fibonacciCached 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 TidyMaze/fibonacciCached 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 TidyMaze/fibonacciCached
[INFO] finished frobbing TidyMaze/fibonacciCached
[INFO] frobbed toml for TidyMaze/fibonacciCached written to work/ex/beta-1.38-1/sources/1.37.0/gh/TidyMaze/fibonacciCached/Cargo.toml
[INFO] started frobbing TidyMaze/fibonacciCached
[INFO] finished frobbing TidyMaze/fibonacciCached
[INFO] frobbed toml for TidyMaze/fibonacciCached written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/TidyMaze/fibonacciCached/Cargo.toml
[INFO] crate TidyMaze/fibonacciCached 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 TidyMaze/fibonacciCached 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TidyMaze/fibonacciCached:/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] e75fd8d0f51f6ab8940449caa144fe0eeeb7d5f6f2bc3f566a333b5072b88c9c
[INFO] running `"docker" "start" "-a" "e75fd8d0f51f6ab8940449caa144fe0eeeb7d5f6f2bc3f566a333b5072b88c9c"`
[INFO] [stderr]    Compiling testRust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `testRust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `test_rust`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "e75fd8d0f51f6ab8940449caa144fe0eeeb7d5f6f2bc3f566a333b5072b88c9c"`
[INFO] running `"docker" "rm" "-f" "e75fd8d0f51f6ab8940449caa144fe0eeeb7d5f6f2bc3f566a333b5072b88c9c"`
[INFO] [stdout] e75fd8d0f51f6ab8940449caa144fe0eeeb7d5f6f2bc3f566a333b5072b88c9c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TidyMaze/fibonacciCached:/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] 77f30317d50c83fe19978549b978cecd0aeb8a22be329a465b4086d430b43c29
[INFO] running `"docker" "start" "-a" "77f30317d50c83fe19978549b978cecd0aeb8a22be329a465b4086d430b43c29"`
[INFO] [stderr]    Compiling testRust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: crate `testRust` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `test_rust`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "77f30317d50c83fe19978549b978cecd0aeb8a22be329a465b4086d430b43c29"`
[INFO] running `"docker" "rm" "-f" "77f30317d50c83fe19978549b978cecd0aeb8a22be329a465b4086d430b43c29"`
[INFO] [stdout] 77f30317d50c83fe19978549b978cecd0aeb8a22be329a465b4086d430b43c29
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/TidyMaze/fibonacciCached:/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] c7ea7fb3302b8ba85804ee157f97d0e07749e36b7273a8f84ef92cc57ec46dd9
[INFO] running `"docker" "start" "-a" "c7ea7fb3302b8ba85804ee157f97d0e07749e36b7273a8f84ef92cc57ec46dd9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/testRust-5ed5c830a0b8a8a6
[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" "c7ea7fb3302b8ba85804ee157f97d0e07749e36b7273a8f84ef92cc57ec46dd9"`
[INFO] running `"docker" "rm" "-f" "c7ea7fb3302b8ba85804ee157f97d0e07749e36b7273a8f84ef92cc57ec46dd9"`
[INFO] [stdout] c7ea7fb3302b8ba85804ee157f97d0e07749e36b7273a8f84ef92cc57ec46dd9