[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 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 494f4a5656bf1153189d7f480123f258fbb5c5845070543be7ee4db72769c52f
[INFO] running `"docker" "start" "-a" "494f4a5656bf1153189d7f480123f258fbb5c5845070543be7ee4db72769c52f"`
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "494f4a5656bf1153189d7f480123f258fbb5c5845070543be7ee4db72769c52f"`
[INFO] running `"docker" "rm" "-f" "494f4a5656bf1153189d7f480123f258fbb5c5845070543be7ee4db72769c52f"`
[INFO] [stdout] 494f4a5656bf1153189d7f480123f258fbb5c5845070543be7ee4db72769c52f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1006df80a8312e7da3890783b7419a6257517157d3871babe54e4e45a2ccb92f
[INFO] running `"docker" "start" "-a" "1006df80a8312e7da3890783b7419a6257517157d3871babe54e4e45a2ccb92f"`
[INFO] [stderr]    Compiling functions v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "1006df80a8312e7da3890783b7419a6257517157d3871babe54e4e45a2ccb92f"`
[INFO] running `"docker" "rm" "-f" "1006df80a8312e7da3890783b7419a6257517157d3871babe54e4e45a2ccb92f"`
[INFO] [stdout] 1006df80a8312e7da3890783b7419a6257517157d3871babe54e4e45a2ccb92f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 0790865f195729c042dee3aba94d7916f6920c8565fb05b9b77e999fdeb39979
[INFO] running `"docker" "start" "-a" "0790865f195729c042dee3aba94d7916f6920c8565fb05b9b77e999fdeb39979"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/functions-e73009674fc71949
[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" "0790865f195729c042dee3aba94d7916f6920c8565fb05b9b77e999fdeb39979"`
[INFO] running `"docker" "rm" "-f" "0790865f195729c042dee3aba94d7916f6920c8565fb05b9b77e999fdeb39979"`
[INFO] [stdout] 0790865f195729c042dee3aba94d7916f6920c8565fb05b9b77e999fdeb39979