[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-1.38-1/sources/1.37.0/gh/learn-you-a-rust/functions"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/gh/learn-you-a-rust/functions"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of learn-you-a-rust/functions 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 learn-you-a-rust/functions 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-3/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a32d51e0fcee088792232e80fb9aa3cfb28e5e2beccdd1fd4e098be1d6c92cb4
[INFO] running `"docker" "start" "-a" "a32d51e0fcee088792232e80fb9aa3cfb28e5e2beccdd1fd4e098be1d6c92cb4"`
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `"docker" "inspect" "a32d51e0fcee088792232e80fb9aa3cfb28e5e2beccdd1fd4e098be1d6c92cb4"`
[INFO] running `"docker" "rm" "-f" "a32d51e0fcee088792232e80fb9aa3cfb28e5e2beccdd1fd4e098be1d6c92cb4"`
[INFO] [stdout] a32d51e0fcee088792232e80fb9aa3cfb28e5e2beccdd1fd4e098be1d6c92cb4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 752b83f4a66bb634b1398ec3a17a223e4b0deaf68dbc3db8b967d7df3c2a683a
[INFO] running `"docker" "start" "-a" "752b83f4a66bb634b1398ec3a17a223e4b0deaf68dbc3db8b967d7df3c2a683a"`
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "752b83f4a66bb634b1398ec3a17a223e4b0deaf68dbc3db8b967d7df3c2a683a"`
[INFO] running `"docker" "rm" "-f" "752b83f4a66bb634b1398ec3a17a223e4b0deaf68dbc3db8b967d7df3c2a683a"`
[INFO] [stdout] 752b83f4a66bb634b1398ec3a17a223e4b0deaf68dbc3db8b967d7df3c2a683a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 9140fe35c52f00c30323cd19c3b5fc6377f55929bbe21a48e89dae649a7f1436
[INFO] running `"docker" "start" "-a" "9140fe35c52f00c30323cd19c3b5fc6377f55929bbe21a48e89dae649a7f1436"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/functions-657ea7ac48dc62ad
[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" "9140fe35c52f00c30323cd19c3b5fc6377f55929bbe21a48e89dae649a7f1436"`
[INFO] running `"docker" "rm" "-f" "9140fe35c52f00c30323cd19c3b5fc6377f55929bbe21a48e89dae649a7f1436"`
[INFO] [stdout] 9140fe35c52f00c30323cd19c3b5fc6377f55929bbe21a48e89dae649a7f1436