[INFO] updating cached repository huming0618/rust-practice
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/huming0618/rust-practice
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/huming0618/rust-practice" "work/ex/beta-1.37-6/sources/1.36.0/gh/huming0618/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/huming0618/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/huming0618/rust-practice" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huming0618/rust-practice"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huming0618/rust-practice'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 81ffc78acb1d650f225088038e92d1dba84a865d
[INFO] sha for GitHub repo huming0618/rust-practice: 81ffc78acb1d650f225088038e92d1dba84a865d
[INFO] validating manifest of huming0618/rust-practice 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 huming0618/rust-practice 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 huming0618/rust-practice
[INFO] finished frobbing huming0618/rust-practice
[INFO] frobbed toml for huming0618/rust-practice written to work/ex/beta-1.37-6/sources/1.36.0/gh/huming0618/rust-practice/Cargo.toml
[INFO] started frobbing huming0618/rust-practice
[INFO] finished frobbing huming0618/rust-practice
[INFO] frobbed toml for huming0618/rust-practice written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huming0618/rust-practice/Cargo.toml
[INFO] crate huming0618/rust-practice 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 huming0618/rust-practice against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huming0618/rust-practice:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 37743b629fb4c7c704235fa25a5d729562c9253906996df42b0ad974e044dbd4
[INFO] running `"docker" "start" "-a" "37743b629fb4c7c704235fa25a5d729562c9253906996df42b0ad974e044dbd4"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "37743b629fb4c7c704235fa25a5d729562c9253906996df42b0ad974e044dbd4"`
[INFO] running `"docker" "rm" "-f" "37743b629fb4c7c704235fa25a5d729562c9253906996df42b0ad974e044dbd4"`
[INFO] [stdout] 37743b629fb4c7c704235fa25a5d729562c9253906996df42b0ad974e044dbd4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huming0618/rust-practice:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6f6082c2c5000d50377fdda4bc77c3b633fc967dcfed2119e284c6cc8afcf37b
[INFO] running `"docker" "start" "-a" "6f6082c2c5000d50377fdda4bc77c3b633fc967dcfed2119e284c6cc8afcf37b"`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "6f6082c2c5000d50377fdda4bc77c3b633fc967dcfed2119e284c6cc8afcf37b"`
[INFO] running `"docker" "rm" "-f" "6f6082c2c5000d50377fdda4bc77c3b633fc967dcfed2119e284c6cc8afcf37b"`
[INFO] [stdout] 6f6082c2c5000d50377fdda4bc77c3b633fc967dcfed2119e284c6cc8afcf37b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/huming0618/rust-practice:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 5fd000c57ae116e259591d4eab4285c3b1b7e25884542240ea62427ef4c92b4c
[INFO] running `"docker" "start" "-a" "5fd000c57ae116e259591d4eab4285c3b1b7e25884542240ea62427ef4c92b4c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-32ca29bbe05b8115
[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" "5fd000c57ae116e259591d4eab4285c3b1b7e25884542240ea62427ef4c92b4c"`
[INFO] running `"docker" "rm" "-f" "5fd000c57ae116e259591d4eab4285c3b1b7e25884542240ea62427ef4c92b4c"`
[INFO] [stdout] 5fd000c57ae116e259591d4eab4285c3b1b7e25884542240ea62427ef4c92b4c