[INFO] updating cached repository learn-you-a-rust/functions
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/learn-you-a-rust/functions
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/learn-you-a-rust/functions" "work/ex/beta-1.37-6/sources/1.36.0/gh/learn-you-a-rust/functions"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/learn-you-a-rust/functions'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/learn-you-a-rust/functions" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/learn-you-a-rust/functions"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/learn-you-a-rust/functions'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd6427db9216daa5a34646b9d324006c592e5211
[INFO] sha for GitHub repo learn-you-a-rust/functions: bd6427db9216daa5a34646b9d324006c592e5211
[INFO] validating manifest of learn-you-a-rust/functions 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 learn-you-a-rust/functions 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 learn-you-a-rust/functions
[INFO] finished frobbing learn-you-a-rust/functions
[INFO] frobbed toml for learn-you-a-rust/functions written to work/ex/beta-1.37-6/sources/1.36.0/gh/learn-you-a-rust/functions/Cargo.toml
[INFO] started frobbing learn-you-a-rust/functions
[INFO] finished frobbing learn-you-a-rust/functions
[INFO] frobbed toml for learn-you-a-rust/functions written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/learn-you-a-rust/functions/Cargo.toml
[INFO] crate learn-you-a-rust/functions 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] testing learn-you-a-rust/functions against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/learn-you-a-rust/functions:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] fb2de1915081ed8c12fffaf2ee0ff3309e8a53e5437d9f6f169238c3d7cfb89b
[INFO] running `"docker" "start" "-a" "fb2de1915081ed8c12fffaf2ee0ff3309e8a53e5437d9f6f169238c3d7cfb89b"`
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "fb2de1915081ed8c12fffaf2ee0ff3309e8a53e5437d9f6f169238c3d7cfb89b"`
[INFO] running `"docker" "rm" "-f" "fb2de1915081ed8c12fffaf2ee0ff3309e8a53e5437d9f6f169238c3d7cfb89b"`
[INFO] [stdout] fb2de1915081ed8c12fffaf2ee0ff3309e8a53e5437d9f6f169238c3d7cfb89b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/learn-you-a-rust/functions:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6c55d32f10d8147050ff657bd93c54e2f77973c4bab7170ac4ab9d8c040d429f
[INFO] running `"docker" "start" "-a" "6c55d32f10d8147050ff657bd93c54e2f77973c4bab7170ac4ab9d8c040d429f"`
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "6c55d32f10d8147050ff657bd93c54e2f77973c4bab7170ac4ab9d8c040d429f"`
[INFO] running `"docker" "rm" "-f" "6c55d32f10d8147050ff657bd93c54e2f77973c4bab7170ac4ab9d8c040d429f"`
[INFO] [stdout] 6c55d32f10d8147050ff657bd93c54e2f77973c4bab7170ac4ab9d8c040d429f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/learn-you-a-rust/functions:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] b737e04f09681838aedcefa1276953bdaffbc7316e9f5dc78cb038859b8b3965
[INFO] running `"docker" "start" "-a" "b737e04f09681838aedcefa1276953bdaffbc7316e9f5dc78cb038859b8b3965"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/functions-2803f644c7b652d7
[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" "b737e04f09681838aedcefa1276953bdaffbc7316e9f5dc78cb038859b8b3965"`
[INFO] running `"docker" "rm" "-f" "b737e04f09681838aedcefa1276953bdaffbc7316e9f5dc78cb038859b8b3965"`
[INFO] [stdout] b737e04f09681838aedcefa1276953bdaffbc7316e9f5dc78cb038859b8b3965