[INFO] updating cached repository NjengaSaruni/RustDemo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/NjengaSaruni/RustDemo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/NjengaSaruni/RustDemo" "work/ex/beta-1.37-6/sources/1.36.0/gh/NjengaSaruni/RustDemo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/NjengaSaruni/RustDemo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/NjengaSaruni/RustDemo" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NjengaSaruni/RustDemo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NjengaSaruni/RustDemo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b549df7f68832d86c110e4f637c1d18db789568b
[INFO] sha for GitHub repo NjengaSaruni/RustDemo: b549df7f68832d86c110e4f637c1d18db789568b
[INFO] validating manifest of NjengaSaruni/RustDemo 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 NjengaSaruni/RustDemo 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 NjengaSaruni/RustDemo
[INFO] finished frobbing NjengaSaruni/RustDemo
[INFO] frobbed toml for NjengaSaruni/RustDemo written to work/ex/beta-1.37-6/sources/1.36.0/gh/NjengaSaruni/RustDemo/Cargo.toml
[INFO] started frobbing NjengaSaruni/RustDemo
[INFO] finished frobbing NjengaSaruni/RustDemo
[INFO] frobbed toml for NjengaSaruni/RustDemo written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/NjengaSaruni/RustDemo/Cargo.toml
[INFO] crate NjengaSaruni/RustDemo 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 NjengaSaruni/RustDemo against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/NjengaSaruni/RustDemo:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] afad055a4edbb80133024b89edc8ffd82612f7f2e4722bfd7c61546bc328f816
[INFO] running `"docker" "start" "-a" "afad055a4edbb80133024b89edc8ffd82612f7f2e4722bfd7c61546bc328f816"`
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "afad055a4edbb80133024b89edc8ffd82612f7f2e4722bfd7c61546bc328f816"`
[INFO] running `"docker" "rm" "-f" "afad055a4edbb80133024b89edc8ffd82612f7f2e4722bfd7c61546bc328f816"`
[INFO] [stdout] afad055a4edbb80133024b89edc8ffd82612f7f2e4722bfd7c61546bc328f816
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/NjengaSaruni/RustDemo:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7ff6f83c4b7642e4652905737605a261cf321970669defc4ed6f110c92bfbf2a
[INFO] running `"docker" "start" "-a" "7ff6f83c4b7642e4652905737605a261cf321970669defc4ed6f110c92bfbf2a"`
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "7ff6f83c4b7642e4652905737605a261cf321970669defc4ed6f110c92bfbf2a"`
[INFO] running `"docker" "rm" "-f" "7ff6f83c4b7642e4652905737605a261cf321970669defc4ed6f110c92bfbf2a"`
[INFO] [stdout] 7ff6f83c4b7642e4652905737605a261cf321970669defc4ed6f110c92bfbf2a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/NjengaSaruni/RustDemo:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 253177764f04845b946ac89a5ab46abcaaa9685baffd271d76a6e4fb3d107b65
[INFO] running `"docker" "start" "-a" "253177764f04845b946ac89a5ab46abcaaa9685baffd271d76a6e4fb3d107b65"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/learn_rust-a377829a5eebf590
[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" "253177764f04845b946ac89a5ab46abcaaa9685baffd271d76a6e4fb3d107b65"`
[INFO] running `"docker" "rm" "-f" "253177764f04845b946ac89a5ab46abcaaa9685baffd271d76a6e4fb3d107b65"`
[INFO] [stdout] 253177764f04845b946ac89a5ab46abcaaa9685baffd271d76a6e4fb3d107b65