[INFO] updating cached repository gyp2017/rust_study
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gyp2017/rust_study
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gyp2017/rust_study" "work/ex/beta-1.38-1/sources/1.37.0/gh/gyp2017/rust_study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gyp2017/rust_study'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gyp2017/rust_study" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gyp2017/rust_study"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gyp2017/rust_study'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6e6782df6fd10bb7bb3f6b8ad9237ba811f44d17
[INFO] sha for GitHub repo gyp2017/rust_study: 6e6782df6fd10bb7bb3f6b8ad9237ba811f44d17
[INFO] validating manifest of gyp2017/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 gyp2017/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 gyp2017/rust_study
[INFO] finished frobbing gyp2017/rust_study
[INFO] frobbed toml for gyp2017/rust_study written to work/ex/beta-1.38-1/sources/1.37.0/gh/gyp2017/rust_study/Cargo.toml
[INFO] started frobbing gyp2017/rust_study
[INFO] finished frobbing gyp2017/rust_study
[INFO] frobbed toml for gyp2017/rust_study written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gyp2017/rust_study/Cargo.toml
[INFO] crate gyp2017/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gyp2017/rust_study 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-0/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/gyp2017/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 58264614a2319037f25d9dc66e66be34cc1b1a1caab3f8bf2a38cc4675eab425
[INFO] running `"docker" "start" "-a" "58264614a2319037f25d9dc66e66be34cc1b1a1caab3f8bf2a38cc4675eab425"`
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "58264614a2319037f25d9dc66e66be34cc1b1a1caab3f8bf2a38cc4675eab425"`
[INFO] running `"docker" "rm" "-f" "58264614a2319037f25d9dc66e66be34cc1b1a1caab3f8bf2a38cc4675eab425"`
[INFO] [stdout] 58264614a2319037f25d9dc66e66be34cc1b1a1caab3f8bf2a38cc4675eab425
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/gyp2017/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 73e7d45506ba701bd34821c5a82690ed36fa7480d4b7550825c4e605a0cbb764
[INFO] running `"docker" "start" "-a" "73e7d45506ba701bd34821c5a82690ed36fa7480d4b7550825c4e605a0cbb764"`
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "73e7d45506ba701bd34821c5a82690ed36fa7480d4b7550825c4e605a0cbb764"`
[INFO] running `"docker" "rm" "-f" "73e7d45506ba701bd34821c5a82690ed36fa7480d4b7550825c4e605a0cbb764"`
[INFO] [stdout] 73e7d45506ba701bd34821c5a82690ed36fa7480d4b7550825c4e605a0cbb764
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/gyp2017/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b8a4163070ad1adf9aa7fdff8333032266a89e3fb0ff1063215b23f2c46cea94
[INFO] running `"docker" "start" "-a" "b8a4163070ad1adf9aa7fdff8333032266a89e3fb0ff1063215b23f2c46cea94"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-0ed420afb3798957
[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" "b8a4163070ad1adf9aa7fdff8333032266a89e3fb0ff1063215b23f2c46cea94"`
[INFO] running `"docker" "rm" "-f" "b8a4163070ad1adf9aa7fdff8333032266a89e3fb0ff1063215b23f2c46cea94"`
[INFO] [stdout] b8a4163070ad1adf9aa7fdff8333032266a89e3fb0ff1063215b23f2c46cea94