[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 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-0/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/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ee012b02685f42c335c00e7aa6cf6ef1ea01a0362ed004dacea948132ec091e8
[INFO] running `"docker" "start" "-a" "ee012b02685f42c335c00e7aa6cf6ef1ea01a0362ed004dacea948132ec091e8"`
[INFO] [stderr]    Compiling rust-learn v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "ee012b02685f42c335c00e7aa6cf6ef1ea01a0362ed004dacea948132ec091e8"`
[INFO] running `"docker" "rm" "-f" "ee012b02685f42c335c00e7aa6cf6ef1ea01a0362ed004dacea948132ec091e8"`
[INFO] [stdout] ee012b02685f42c335c00e7aa6cf6ef1ea01a0362ed004dacea948132ec091e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] c87c7d4c066d2e9dd9d4ddd5a357d735c346f7eb667e4c434d4bde689fda5ec2
[INFO] running `"docker" "start" "-a" "c87c7d4c066d2e9dd9d4ddd5a357d735c346f7eb667e4c434d4bde689fda5ec2"`
[INFO] [stderr]    Compiling rust-learn v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "c87c7d4c066d2e9dd9d4ddd5a357d735c346f7eb667e4c434d4bde689fda5ec2"`
[INFO] running `"docker" "rm" "-f" "c87c7d4c066d2e9dd9d4ddd5a357d735c346f7eb667e4c434d4bde689fda5ec2"`
[INFO] [stdout] c87c7d4c066d2e9dd9d4ddd5a357d735c346f7eb667e4c434d4bde689fda5ec2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] fa38aecc1514152ad068e5ea6215877c5ea5ce9bbc75e753914f2ab6eda936ae
[INFO] running `"docker" "start" "-a" "fa38aecc1514152ad068e5ea6215877c5ea5ce9bbc75e753914f2ab6eda936ae"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_learn-389a39429df1339b
[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" "fa38aecc1514152ad068e5ea6215877c5ea5ce9bbc75e753914f2ab6eda936ae"`
[INFO] running `"docker" "rm" "-f" "fa38aecc1514152ad068e5ea6215877c5ea5ce9bbc75e753914f2ab6eda936ae"`
[INFO] [stdout] fa38aecc1514152ad068e5ea6215877c5ea5ce9bbc75e753914f2ab6eda936ae