[INFO] cloning repository kaliumxyz/json
[INFO] running `"git" "clone" "--bare" "git://github.com/kaliumxyz/json.git" "work/cache/sources/gh/kaliumxyz/json"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/kaliumxyz/json'...
[INFO] running `"git" "clone" "work/cache/sources/gh/kaliumxyz/json" "work/ex/beta-1.37-6/sources/1.36.0/gh/kaliumxyz/json"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/kaliumxyz/json'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kaliumxyz/json" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kaliumxyz/json"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kaliumxyz/json'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f43f7fe0101fb714bc1b8295fa0f3c515b4bf731
[INFO] sha for GitHub repo kaliumxyz/json: f43f7fe0101fb714bc1b8295fa0f3c515b4bf731
[INFO] validating manifest of kaliumxyz/json 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 kaliumxyz/json 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 kaliumxyz/json
[INFO] finished frobbing kaliumxyz/json
[INFO] frobbed toml for kaliumxyz/json written to work/ex/beta-1.37-6/sources/1.36.0/gh/kaliumxyz/json/Cargo.toml
[INFO] started frobbing kaliumxyz/json
[INFO] finished frobbing kaliumxyz/json
[INFO] frobbed toml for kaliumxyz/json written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kaliumxyz/json/Cargo.toml
[INFO] crate kaliumxyz/json 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 kaliumxyz/json 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-1/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/kaliumxyz/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f648b41f04e6a89579a8e9060fb0843fa83ad0f539c60c2178469a5a3ebbd158
[INFO] running `"docker" "start" "-a" "f648b41f04e6a89579a8e9060fb0843fa83ad0f539c60c2178469a5a3ebbd158"`
[INFO] [stderr]    Compiling json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "f648b41f04e6a89579a8e9060fb0843fa83ad0f539c60c2178469a5a3ebbd158"`
[INFO] running `"docker" "rm" "-f" "f648b41f04e6a89579a8e9060fb0843fa83ad0f539c60c2178469a5a3ebbd158"`
[INFO] [stdout] f648b41f04e6a89579a8e9060fb0843fa83ad0f539c60c2178469a5a3ebbd158
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/kaliumxyz/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 38e899b06e53c4fdc137f05bf31b52ffd459ad9c0b2dc72c4798e41109f730eb
[INFO] running `"docker" "start" "-a" "38e899b06e53c4fdc137f05bf31b52ffd459ad9c0b2dc72c4798e41109f730eb"`
[INFO] [stderr]    Compiling json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "38e899b06e53c4fdc137f05bf31b52ffd459ad9c0b2dc72c4798e41109f730eb"`
[INFO] running `"docker" "rm" "-f" "38e899b06e53c4fdc137f05bf31b52ffd459ad9c0b2dc72c4798e41109f730eb"`
[INFO] [stdout] 38e899b06e53c4fdc137f05bf31b52ffd459ad9c0b2dc72c4798e41109f730eb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/kaliumxyz/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c35b8dd34dc55344fe36a630ea24264e5134ad1f0349522c167060d14756efea
[INFO] running `"docker" "start" "-a" "c35b8dd34dc55344fe36a630ea24264e5134ad1f0349522c167060d14756efea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json-8c8b1a2e92599fcd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::basic_obj ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-20928b212cbbc9e8
[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] [stderr]    Doc-tests 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" "c35b8dd34dc55344fe36a630ea24264e5134ad1f0349522c167060d14756efea"`
[INFO] running `"docker" "rm" "-f" "c35b8dd34dc55344fe36a630ea24264e5134ad1f0349522c167060d14756efea"`
[INFO] [stdout] c35b8dd34dc55344fe36a630ea24264e5134ad1f0349522c167060d14756efea