[INFO] updating cached repository llogiq/lib_json
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/llogiq/lib_json
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/llogiq/lib_json" "work/ex/beta-1.38-1/sources/1.37.0/gh/llogiq/lib_json"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/llogiq/lib_json'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/llogiq/lib_json" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/llogiq/lib_json"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/llogiq/lib_json'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 336bd54e950fa19b0168eddc358073cf5918bb21
[INFO] sha for GitHub repo llogiq/lib_json: 336bd54e950fa19b0168eddc358073cf5918bb21
[INFO] validating manifest of llogiq/lib_json 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 llogiq/lib_json 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 llogiq/lib_json
[INFO] finished frobbing llogiq/lib_json
[INFO] frobbed toml for llogiq/lib_json written to work/ex/beta-1.38-1/sources/1.37.0/gh/llogiq/lib_json/Cargo.toml
[INFO] started frobbing llogiq/lib_json
[INFO] finished frobbing llogiq/lib_json
[INFO] frobbed toml for llogiq/lib_json written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/llogiq/lib_json/Cargo.toml
[INFO] crate llogiq/lib_json 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 llogiq/lib_json 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-5/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/llogiq/lib_json:/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] 61ba4277f2a47896314e262c35d3c6eb20126432bf5cc57c9d7889f2855b2bc3
[INFO] running `"docker" "start" "-a" "61ba4277f2a47896314e262c35d3c6eb20126432bf5cc57c9d7889f2855b2bc3"`
[INFO] [stderr]    Compiling lib_json v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/buffer_walk.rs:61:23
[INFO] [stderr]    |
[INFO] [stderr] 61 |         unsafe{ self.buffer.slice_unchecked( start, end ) }
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "61ba4277f2a47896314e262c35d3c6eb20126432bf5cc57c9d7889f2855b2bc3"`
[INFO] running `"docker" "rm" "-f" "61ba4277f2a47896314e262c35d3c6eb20126432bf5cc57c9d7889f2855b2bc3"`
[INFO] [stdout] 61ba4277f2a47896314e262c35d3c6eb20126432bf5cc57c9d7889f2855b2bc3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/llogiq/lib_json:/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] 87aab0a5facfa12cf91126fd72029398d6f75d317ac8754bbdbaae051051ace0
[INFO] running `"docker" "start" "-a" "87aab0a5facfa12cf91126fd72029398d6f75d317ac8754bbdbaae051051ace0"`
[INFO] [stderr]    Compiling lib_json v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/buffer_walk.rs:61:23
[INFO] [stderr]    |
[INFO] [stderr] 61 |         unsafe{ self.buffer.slice_unchecked( start, end ) }
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "87aab0a5facfa12cf91126fd72029398d6f75d317ac8754bbdbaae051051ace0"`
[INFO] running `"docker" "rm" "-f" "87aab0a5facfa12cf91126fd72029398d6f75d317ac8754bbdbaae051051ace0"`
[INFO] [stdout] 87aab0a5facfa12cf91126fd72029398d6f75d317ac8754bbdbaae051051ace0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/llogiq/lib_json:/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] 2718bfec220ebbb524eacc08636a9252767e98258addad1af13b1d350804393e
[INFO] running `"docker" "start" "-a" "2718bfec220ebbb524eacc08636a9252767e98258addad1af13b1d350804393e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib_json-769d5574ec013da7
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test buffer_walk::test_char_iter_next ... ok
[INFO] [stdout] test test_read_string ... ok
[INFO] [stdout] test test_read_number ... ok
[INFO] [stdout] test test_read_object ... ok
[INFO] [stdout] test test_external_json_0 ... ok
[INFO] [stdout] test test_read_tf_1 ... ok
[INFO] [stdout] test test_read_vec ... ok
[INFO] [stdout] test test_read_tf_0 ... ok
[INFO] [stdout] test buffer_walk::test_char_iter_skip_whitespace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lib_json
[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" "2718bfec220ebbb524eacc08636a9252767e98258addad1af13b1d350804393e"`
[INFO] running `"docker" "rm" "-f" "2718bfec220ebbb524eacc08636a9252767e98258addad1af13b1d350804393e"`
[INFO] [stdout] 2718bfec220ebbb524eacc08636a9252767e98258addad1af13b1d350804393e