[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 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-0/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b27e0bb54d236a7fb5a64a7b7b18d7b2994e9067c79130769bd4ce801b701efe
[INFO] running `"docker" "start" "-a" "b27e0bb54d236a7fb5a64a7b7b18d7b2994e9067c79130769bd4ce801b701efe"`
[INFO] [stderr]    Compiling rust_json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "b27e0bb54d236a7fb5a64a7b7b18d7b2994e9067c79130769bd4ce801b701efe"`
[INFO] running `"docker" "rm" "-f" "b27e0bb54d236a7fb5a64a7b7b18d7b2994e9067c79130769bd4ce801b701efe"`
[INFO] [stdout] b27e0bb54d236a7fb5a64a7b7b18d7b2994e9067c79130769bd4ce801b701efe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9ed1c94761848bcc509577a0fa20cd8b7b26707c136a1b48a12cea8fd50f5127
[INFO] running `"docker" "start" "-a" "9ed1c94761848bcc509577a0fa20cd8b7b26707c136a1b48a12cea8fd50f5127"`
[INFO] [stderr]    Compiling rust_json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "9ed1c94761848bcc509577a0fa20cd8b7b26707c136a1b48a12cea8fd50f5127"`
[INFO] running `"docker" "rm" "-f" "9ed1c94761848bcc509577a0fa20cd8b7b26707c136a1b48a12cea8fd50f5127"`
[INFO] [stdout] 9ed1c94761848bcc509577a0fa20cd8b7b26707c136a1b48a12cea8fd50f5127
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] ee9e27d5189a98e7525bf4c5b2990fb013a1fa12b85dbd7e1f3deafea5cbc9c1
[INFO] running `"docker" "start" "-a" "ee9e27d5189a98e7525bf4c5b2990fb013a1fa12b85dbd7e1f3deafea5cbc9c1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_json-d46560c79c6cd976
[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-89c95b961620d1e8
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::false_works ... ok
[INFO] [stdout] test tests::array_works ... ok
[INFO] [stdout] test tests::i16_works ... ok
[INFO] [stdout] test tests::f64_works ... ok
[INFO] [stdout] test tests::hash_works ... ok
[INFO] [stdout] test tests::f32_works ... ok
[INFO] [stdout] test tests::i8_works ... ok
[INFO] [stdout] test tests::isize_works ... ok
[INFO] [stdout] test tests::i32_works ... ok
[INFO] [stdout] test tests::i64_works ... ok
[INFO] [stdout] test tests::one_hash_works ... ok
[INFO] [stdout] test tests::string_works ... ok
[INFO] [stdout] test tests::true_works ... ok
[INFO] [stdout] test tests::u32_works ... ok
[INFO] [stdout] test tests::null_works ... ok
[INFO] [stdout] test tests::u16_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] 
[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" "ee9e27d5189a98e7525bf4c5b2990fb013a1fa12b85dbd7e1f3deafea5cbc9c1"`
[INFO] running `"docker" "rm" "-f" "ee9e27d5189a98e7525bf4c5b2990fb013a1fa12b85dbd7e1f3deafea5cbc9c1"`
[INFO] [stdout] ee9e27d5189a98e7525bf4c5b2990fb013a1fa12b85dbd7e1f3deafea5cbc9c1