[INFO] updating cached repository Riunshow/rust-study
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Riunshow/rust-study
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Riunshow/rust-study" "work/ex/beta-1.38-1/sources/1.37.0/gh/Riunshow/rust-study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Riunshow/rust-study'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Riunshow/rust-study" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Riunshow/rust-study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Riunshow/rust-study'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2c6bc96cb2fd5fae0b1f4ed4ef7f32176edcf61a
[INFO] sha for GitHub repo Riunshow/rust-study: 2c6bc96cb2fd5fae0b1f4ed4ef7f32176edcf61a
[INFO] validating manifest of Riunshow/rust-study 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 Riunshow/rust-study 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 Riunshow/rust-study
[INFO] finished frobbing Riunshow/rust-study
[INFO] frobbed toml for Riunshow/rust-study written to work/ex/beta-1.38-1/sources/1.37.0/gh/Riunshow/rust-study/Cargo.toml
[INFO] started frobbing Riunshow/rust-study
[INFO] finished frobbing Riunshow/rust-study
[INFO] frobbed toml for Riunshow/rust-study written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Riunshow/rust-study/Cargo.toml
[INFO] crate Riunshow/rust-study 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Riunshow/rust-study 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Riunshow/rust-study:/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] 4b4e4f71e595efcaa67dff0cff8f88872e4be7fd344642dd02f11a6f5d7b045e
[INFO] running `"docker" "start" "-a" "4b4e4f71e595efcaa67dff0cff8f88872e4be7fd344642dd02f11a6f5d7b045e"`
[INFO] [stderr]    Compiling hellorust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "4b4e4f71e595efcaa67dff0cff8f88872e4be7fd344642dd02f11a6f5d7b045e"`
[INFO] running `"docker" "rm" "-f" "4b4e4f71e595efcaa67dff0cff8f88872e4be7fd344642dd02f11a6f5d7b045e"`
[INFO] [stdout] 4b4e4f71e595efcaa67dff0cff8f88872e4be7fd344642dd02f11a6f5d7b045e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Riunshow/rust-study:/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] 1c145a8c915953606fe1ca265440369b6098e839e8e2ba8a5fe0e12f1cb47afa
[INFO] running `"docker" "start" "-a" "1c145a8c915953606fe1ca265440369b6098e839e8e2ba8a5fe0e12f1cb47afa"`
[INFO] [stderr]    Compiling hellorust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "1c145a8c915953606fe1ca265440369b6098e839e8e2ba8a5fe0e12f1cb47afa"`
[INFO] running `"docker" "rm" "-f" "1c145a8c915953606fe1ca265440369b6098e839e8e2ba8a5fe0e12f1cb47afa"`
[INFO] [stdout] 1c145a8c915953606fe1ca265440369b6098e839e8e2ba8a5fe0e12f1cb47afa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Riunshow/rust-study:/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] 2c4fe71630207601cab805c437d1002d3a8fe37f0311e7e4d8635bee83663ee2
[INFO] running `"docker" "start" "-a" "2c4fe71630207601cab805c437d1002d3a8fe37f0311e7e4d8635bee83663ee2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hellorust-2c977b0ad276da7b
[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" "2c4fe71630207601cab805c437d1002d3a8fe37f0311e7e4d8635bee83663ee2"`
[INFO] running `"docker" "rm" "-f" "2c4fe71630207601cab805c437d1002d3a8fe37f0311e7e4d8635bee83663ee2"`
[INFO] [stdout] 2c4fe71630207601cab805c437d1002d3a8fe37f0311e7e4d8635bee83663ee2