[INFO] updating cached repository baban/rust_json
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/baban/rust_json
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/baban/rust_json" "work/ex/beta-1.38-1/sources/1.37.0/gh/baban/rust_json"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/baban/rust_json'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/baban/rust_json" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baban/rust_json"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baban/rust_json'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5c9bdb895572c99f53a763f8aaf7189285751995
[INFO] sha for GitHub repo baban/rust_json: 5c9bdb895572c99f53a763f8aaf7189285751995
[INFO] validating manifest of baban/rust_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 baban/rust_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 baban/rust_json
[INFO] finished frobbing baban/rust_json
[INFO] frobbed toml for baban/rust_json written to work/ex/beta-1.38-1/sources/1.37.0/gh/baban/rust_json/Cargo.toml
[INFO] started frobbing baban/rust_json
[INFO] finished frobbing baban/rust_json
[INFO] frobbed toml for baban/rust_json written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/baban/rust_json/Cargo.toml
[INFO] crate baban/rust_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 baban/rust_json against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/baban/rust_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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b447d837e1eeed019a19302a3777129d63f020a1f5b9d326e3dd4329b33744b7
[INFO] running `"docker" "start" "-a" "b447d837e1eeed019a19302a3777129d63f020a1f5b9d326e3dd4329b33744b7"`
[INFO] [stderr]    Compiling rust_json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "b447d837e1eeed019a19302a3777129d63f020a1f5b9d326e3dd4329b33744b7"`
[INFO] running `"docker" "rm" "-f" "b447d837e1eeed019a19302a3777129d63f020a1f5b9d326e3dd4329b33744b7"`
[INFO] [stdout] b447d837e1eeed019a19302a3777129d63f020a1f5b9d326e3dd4329b33744b7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/baban/rust_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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e3cafc8ae1919fa316e744ef424a1676116ed4a4ca485df1bc03f7852a71c2c0
[INFO] running `"docker" "start" "-a" "e3cafc8ae1919fa316e744ef424a1676116ed4a4ca485df1bc03f7852a71c2c0"`
[INFO] [stderr]    Compiling rust_json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "e3cafc8ae1919fa316e744ef424a1676116ed4a4ca485df1bc03f7852a71c2c0"`
[INFO] running `"docker" "rm" "-f" "e3cafc8ae1919fa316e744ef424a1676116ed4a4ca485df1bc03f7852a71c2c0"`
[INFO] [stdout] e3cafc8ae1919fa316e744ef424a1676116ed4a4ca485df1bc03f7852a71c2c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/baban/rust_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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] e5f01836e3c952222dd9a1127107cfc3ce1cf532b3a56863c08b7b7691855574
[INFO] running `"docker" "start" "-a" "e5f01836e3c952222dd9a1127107cfc3ce1cf532b3a56863c08b7b7691855574"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_json-74183174ef8074bd
[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]      Running /opt/crater/target/debug/deps/rust_json-364bc9bb2dc1c719
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::f64_works ... ok
[INFO] [stdout] test tests::f32_works ... ok
[INFO] [stdout] test tests::array_works ... ok
[INFO] [stdout] test tests::false_works ... ok
[INFO] [stdout] test tests::hash_works ... ok
[INFO] [stdout] test tests::i8_works ... ok
[INFO] [stdout] test tests::isize_works ... ok
[INFO] [stdout] test tests::i16_works ... ok
[INFO] [stdout] test tests::i64_works ... ok
[INFO] [stdout] test tests::null_works ... ok
[INFO] [stdout] test tests::i32_works ... ok
[INFO] [stdout] test tests::u8_works ... ok
[INFO] [stdout] test tests::usize_works ... ok
[INFO] [stdout] test tests::u64_works ... ok
[INFO] [stdout] test tests::u32_works ... ok
[INFO] [stdout] test tests::u16_works ... ok
[INFO] [stdout] test tests::true_works ... ok
[INFO] [stdout] test tests::string_works ... ok
[INFO] [stdout] test tests::one_hash_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_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" "e5f01836e3c952222dd9a1127107cfc3ce1cf532b3a56863c08b7b7691855574"`
[INFO] running `"docker" "rm" "-f" "e5f01836e3c952222dd9a1127107cfc3ce1cf532b3a56863c08b7b7691855574"`
[INFO] [stdout] e5f01836e3c952222dd9a1127107cfc3ce1cf532b3a56863c08b7b7691855574