[INFO] updating cached repository murphym18/rust-reverse-string
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/murphym18/rust-reverse-string
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/murphym18/rust-reverse-string" "work/ex/beta-1.38-1/sources/1.37.0/gh/murphym18/rust-reverse-string"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/murphym18/rust-reverse-string'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/murphym18/rust-reverse-string" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/murphym18/rust-reverse-string"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/murphym18/rust-reverse-string'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b0717d7f8acbf828748558023cf782ffd58dadb
[INFO] sha for GitHub repo murphym18/rust-reverse-string: 3b0717d7f8acbf828748558023cf782ffd58dadb
[INFO] validating manifest of murphym18/rust-reverse-string 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 murphym18/rust-reverse-string 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 murphym18/rust-reverse-string
[INFO] finished frobbing murphym18/rust-reverse-string
[INFO] frobbed toml for murphym18/rust-reverse-string written to work/ex/beta-1.38-1/sources/1.37.0/gh/murphym18/rust-reverse-string/Cargo.toml
[INFO] started frobbing murphym18/rust-reverse-string
[INFO] finished frobbing murphym18/rust-reverse-string
[INFO] frobbed toml for murphym18/rust-reverse-string written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/murphym18/rust-reverse-string/Cargo.toml
[INFO] crate murphym18/rust-reverse-string 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 murphym18/rust-reverse-string 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/murphym18/rust-reverse-string:/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] 793e5165edac63f92918cce7db14aa249cb79a107c56f506d018fa03aaea76d6
[INFO] running `"docker" "start" "-a" "793e5165edac63f92918cce7db14aa249cb79a107c56f506d018fa03aaea76d6"`
[INFO] [stderr]    Compiling reverse_string v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "793e5165edac63f92918cce7db14aa249cb79a107c56f506d018fa03aaea76d6"`
[INFO] running `"docker" "rm" "-f" "793e5165edac63f92918cce7db14aa249cb79a107c56f506d018fa03aaea76d6"`
[INFO] [stdout] 793e5165edac63f92918cce7db14aa249cb79a107c56f506d018fa03aaea76d6
[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/murphym18/rust-reverse-string:/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] df0dc2b19ce3e5f69f7f89115f516c5551e21ba19d28da5507ad6b6b094805be
[INFO] running `"docker" "start" "-a" "df0dc2b19ce3e5f69f7f89115f516c5551e21ba19d28da5507ad6b6b094805be"`
[INFO] [stderr]    Compiling reverse_string v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `"docker" "inspect" "df0dc2b19ce3e5f69f7f89115f516c5551e21ba19d28da5507ad6b6b094805be"`
[INFO] running `"docker" "rm" "-f" "df0dc2b19ce3e5f69f7f89115f516c5551e21ba19d28da5507ad6b6b094805be"`
[INFO] [stdout] df0dc2b19ce3e5f69f7f89115f516c5551e21ba19d28da5507ad6b6b094805be
[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/murphym18/rust-reverse-string:/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] 263c23f9ab4f1338cee2dd90757522b1c39f9a78ba2a38522a84dedb65c04191
[INFO] running `"docker" "start" "-a" "263c23f9ab4f1338cee2dd90757522b1c39f9a78ba2a38522a84dedb65c04191"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/reverse_string-16906f2d65f05cfa
[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" "263c23f9ab4f1338cee2dd90757522b1c39f9a78ba2a38522a84dedb65c04191"`
[INFO] running `"docker" "rm" "-f" "263c23f9ab4f1338cee2dd90757522b1c39f9a78ba2a38522a84dedb65c04191"`
[INFO] [stdout] 263c23f9ab4f1338cee2dd90757522b1c39f9a78ba2a38522a84dedb65c04191