[INFO] updating cached repository BingKui/Rust-Learn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BingKui/Rust-Learn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BingKui/Rust-Learn" "work/ex/beta-1.37-6/sources/1.36.0/gh/BingKui/Rust-Learn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/BingKui/Rust-Learn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BingKui/Rust-Learn" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BingKui/Rust-Learn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BingKui/Rust-Learn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f5d2d69e7f1b7cacecb9d518edbba92b705a5b4
[INFO] sha for GitHub repo BingKui/Rust-Learn: 8f5d2d69e7f1b7cacecb9d518edbba92b705a5b4
[INFO] validating manifest of BingKui/Rust-Learn 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 BingKui/Rust-Learn 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 BingKui/Rust-Learn
[INFO] finished frobbing BingKui/Rust-Learn
[INFO] frobbed toml for BingKui/Rust-Learn written to work/ex/beta-1.37-6/sources/1.36.0/gh/BingKui/Rust-Learn/Cargo.toml
[INFO] started frobbing BingKui/Rust-Learn
[INFO] finished frobbing BingKui/Rust-Learn
[INFO] frobbed toml for BingKui/Rust-Learn written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BingKui/Rust-Learn/Cargo.toml
[INFO] crate BingKui/Rust-Learn 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 BingKui/Rust-Learn 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/BingKui/Rust-Learn:/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] 49ccea07d2e01ebc2616a43b0812ba46dfc0152a4e8af6cbfb032aa8e732b711
[INFO] running `"docker" "start" "-a" "49ccea07d2e01ebc2616a43b0812ba46dfc0152a4e8af6cbfb032aa8e732b711"`
[INFO] [stderr]    Compiling rust-learn v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "49ccea07d2e01ebc2616a43b0812ba46dfc0152a4e8af6cbfb032aa8e732b711"`
[INFO] running `"docker" "rm" "-f" "49ccea07d2e01ebc2616a43b0812ba46dfc0152a4e8af6cbfb032aa8e732b711"`
[INFO] [stdout] 49ccea07d2e01ebc2616a43b0812ba46dfc0152a4e8af6cbfb032aa8e732b711
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/BingKui/Rust-Learn:/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] ef4ebe18d333032a6079390271fd3bc2cf55f015005fe6cdde144d20852a60f0
[INFO] running `"docker" "start" "-a" "ef4ebe18d333032a6079390271fd3bc2cf55f015005fe6cdde144d20852a60f0"`
[INFO] [stderr]    Compiling rust-learn v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "ef4ebe18d333032a6079390271fd3bc2cf55f015005fe6cdde144d20852a60f0"`
[INFO] running `"docker" "rm" "-f" "ef4ebe18d333032a6079390271fd3bc2cf55f015005fe6cdde144d20852a60f0"`
[INFO] [stdout] ef4ebe18d333032a6079390271fd3bc2cf55f015005fe6cdde144d20852a60f0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/BingKui/Rust-Learn:/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] fcd5c0de21900154221f26adaa00016555599bf77a6a94867da6749361aedccd
[INFO] running `"docker" "start" "-a" "fcd5c0de21900154221f26adaa00016555599bf77a6a94867da6749361aedccd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_learn-5e7d6e3b7cfae730
[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" "fcd5c0de21900154221f26adaa00016555599bf77a6a94867da6749361aedccd"`
[INFO] running `"docker" "rm" "-f" "fcd5c0de21900154221f26adaa00016555599bf77a6a94867da6749361aedccd"`
[INFO] [stdout] fcd5c0de21900154221f26adaa00016555599bf77a6a94867da6749361aedccd