[INFO] updating cached repository renellc/fibonacci-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/renellc/fibonacci-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/renellc/fibonacci-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/renellc/fibonacci-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/renellc/fibonacci-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/renellc/fibonacci-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/renellc/fibonacci-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/renellc/fibonacci-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a881ce1fbb5324d529ea34772399d3e0ab485f3b
[INFO] sha for GitHub repo renellc/fibonacci-rust: a881ce1fbb5324d529ea34772399d3e0ab485f3b
[INFO] validating manifest of renellc/fibonacci-rust 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 renellc/fibonacci-rust 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 renellc/fibonacci-rust
[INFO] finished frobbing renellc/fibonacci-rust
[INFO] frobbed toml for renellc/fibonacci-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/renellc/fibonacci-rust/Cargo.toml
[INFO] started frobbing renellc/fibonacci-rust
[INFO] finished frobbing renellc/fibonacci-rust
[INFO] frobbed toml for renellc/fibonacci-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/renellc/fibonacci-rust/Cargo.toml
[INFO] crate renellc/fibonacci-rust 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 renellc/fibonacci-rust 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/renellc/fibonacci-rust:/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] 6500452c8dc25eb644a694ae338bca0837d0be6f96f2fc134903c9cb1c09adfb
[INFO] running `"docker" "start" "-a" "6500452c8dc25eb644a694ae338bca0837d0be6f96f2fc134903c9cb1c09adfb"`
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling fib v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.71s
[INFO] running `"docker" "inspect" "6500452c8dc25eb644a694ae338bca0837d0be6f96f2fc134903c9cb1c09adfb"`
[INFO] running `"docker" "rm" "-f" "6500452c8dc25eb644a694ae338bca0837d0be6f96f2fc134903c9cb1c09adfb"`
[INFO] [stdout] 6500452c8dc25eb644a694ae338bca0837d0be6f96f2fc134903c9cb1c09adfb
[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/renellc/fibonacci-rust:/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] a89c0b5017847694559f5b5fae98c8ad56f439aa283709fc72a14c9f78564047
[INFO] running `"docker" "start" "-a" "a89c0b5017847694559f5b5fae98c8ad56f439aa283709fc72a14c9f78564047"`
[INFO] [stderr]    Compiling fib v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "a89c0b5017847694559f5b5fae98c8ad56f439aa283709fc72a14c9f78564047"`
[INFO] running `"docker" "rm" "-f" "a89c0b5017847694559f5b5fae98c8ad56f439aa283709fc72a14c9f78564047"`
[INFO] [stdout] a89c0b5017847694559f5b5fae98c8ad56f439aa283709fc72a14c9f78564047
[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/renellc/fibonacci-rust:/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] f4b5ccac9eea01a32ad1ca80411866d303ac2ccacb98050a9c52ccbe3b9c73ca
[INFO] running `"docker" "start" "-a" "f4b5ccac9eea01a32ad1ca80411866d303ac2ccacb98050a9c52ccbe3b9c73ca"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fib-d760821d6890e62e
[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" "f4b5ccac9eea01a32ad1ca80411866d303ac2ccacb98050a9c52ccbe3b9c73ca"`
[INFO] running `"docker" "rm" "-f" "f4b5ccac9eea01a32ad1ca80411866d303ac2ccacb98050a9c52ccbe3b9c73ca"`
[INFO] [stdout] f4b5ccac9eea01a32ad1ca80411866d303ac2ccacb98050a9c52ccbe3b9c73ca