[INFO] updating cached repository AspenJames/nth_fibonacci_number
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AspenJames/nth_fibonacci_number
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AspenJames/nth_fibonacci_number" "work/ex/beta-1.38-1/sources/1.37.0/gh/AspenJames/nth_fibonacci_number"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AspenJames/nth_fibonacci_number'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AspenJames/nth_fibonacci_number" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AspenJames/nth_fibonacci_number"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AspenJames/nth_fibonacci_number'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bad31eecfa097bca7c0d03c03c2b2c512a6dbe46
[INFO] sha for GitHub repo AspenJames/nth_fibonacci_number: bad31eecfa097bca7c0d03c03c2b2c512a6dbe46
[INFO] validating manifest of AspenJames/nth_fibonacci_number 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 AspenJames/nth_fibonacci_number 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 AspenJames/nth_fibonacci_number
[INFO] finished frobbing AspenJames/nth_fibonacci_number
[INFO] frobbed toml for AspenJames/nth_fibonacci_number written to work/ex/beta-1.38-1/sources/1.37.0/gh/AspenJames/nth_fibonacci_number/Cargo.toml
[INFO] started frobbing AspenJames/nth_fibonacci_number
[INFO] finished frobbing AspenJames/nth_fibonacci_number
[INFO] frobbed toml for AspenJames/nth_fibonacci_number written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AspenJames/nth_fibonacci_number/Cargo.toml
[INFO] crate AspenJames/nth_fibonacci_number 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 AspenJames/nth_fibonacci_number 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-4/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/AspenJames/nth_fibonacci_number:/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] 53414e61e7114ee692937008862936d961747e73f84f1792116581a6ca2a423c
[INFO] running `"docker" "start" "-a" "53414e61e7114ee692937008862936d961747e73f84f1792116581a6ca2a423c"`
[INFO] [stderr]    Compiling nth_fibonacci_number v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "53414e61e7114ee692937008862936d961747e73f84f1792116581a6ca2a423c"`
[INFO] running `"docker" "rm" "-f" "53414e61e7114ee692937008862936d961747e73f84f1792116581a6ca2a423c"`
[INFO] [stdout] 53414e61e7114ee692937008862936d961747e73f84f1792116581a6ca2a423c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/AspenJames/nth_fibonacci_number:/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] eb02777610df3ae26cf73c89ea48578508e90afd7d0b1ecee032d57d83d30175
[INFO] running `"docker" "start" "-a" "eb02777610df3ae26cf73c89ea48578508e90afd7d0b1ecee032d57d83d30175"`
[INFO] [stderr]    Compiling nth_fibonacci_number v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "eb02777610df3ae26cf73c89ea48578508e90afd7d0b1ecee032d57d83d30175"`
[INFO] running `"docker" "rm" "-f" "eb02777610df3ae26cf73c89ea48578508e90afd7d0b1ecee032d57d83d30175"`
[INFO] [stdout] eb02777610df3ae26cf73c89ea48578508e90afd7d0b1ecee032d57d83d30175
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/AspenJames/nth_fibonacci_number:/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] 303d0f84238e7fadca42ddc695a0b214d75c6f126bdd30f416aaef2e46abf63d
[INFO] running `"docker" "start" "-a" "303d0f84238e7fadca42ddc695a0b214d75c6f126bdd30f416aaef2e46abf63d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nth_fibonacci_number-7ebb7008ae39a52e
[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" "303d0f84238e7fadca42ddc695a0b214d75c6f126bdd30f416aaef2e46abf63d"`
[INFO] running `"docker" "rm" "-f" "303d0f84238e7fadca42ddc695a0b214d75c6f126bdd30f416aaef2e46abf63d"`
[INFO] [stdout] 303d0f84238e7fadca42ddc695a0b214d75c6f126bdd30f416aaef2e46abf63d