[INFO] updating cached repository wmww/rust_json_parser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wmww/rust_json_parser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wmww/rust_json_parser" "work/ex/beta-1.37-6/sources/1.36.0/gh/wmww/rust_json_parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/wmww/rust_json_parser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wmww/rust_json_parser" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wmww/rust_json_parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wmww/rust_json_parser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c892f3345f10abd9dd9426e42976cead9ef96fe5
[INFO] sha for GitHub repo wmww/rust_json_parser: c892f3345f10abd9dd9426e42976cead9ef96fe5
[INFO] validating manifest of wmww/rust_json_parser 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 wmww/rust_json_parser 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 wmww/rust_json_parser
[INFO] finished frobbing wmww/rust_json_parser
[INFO] frobbed toml for wmww/rust_json_parser written to work/ex/beta-1.37-6/sources/1.36.0/gh/wmww/rust_json_parser/Cargo.toml
[INFO] started frobbing wmww/rust_json_parser
[INFO] finished frobbing wmww/rust_json_parser
[INFO] frobbed toml for wmww/rust_json_parser written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/wmww/rust_json_parser/Cargo.toml
[INFO] crate wmww/rust_json_parser 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 wmww/rust_json_parser against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/wmww/rust_json_parser:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 25c68a25a167ad57a1e57cd0c00ddd1082c23e14e588277fd9a941b129a2f2c2
[INFO] running `"docker" "start" "-a" "25c68a25a167ad57a1e57cd0c00ddd1082c23e14e588277fd9a941b129a2f2c2"`
[INFO] [stderr]    Compiling json_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `"docker" "inspect" "25c68a25a167ad57a1e57cd0c00ddd1082c23e14e588277fd9a941b129a2f2c2"`
[INFO] running `"docker" "rm" "-f" "25c68a25a167ad57a1e57cd0c00ddd1082c23e14e588277fd9a941b129a2f2c2"`
[INFO] [stdout] 25c68a25a167ad57a1e57cd0c00ddd1082c23e14e588277fd9a941b129a2f2c2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/wmww/rust_json_parser:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 54f763e5ddd901c49941895d9ad98dc1e498fa9bbad9e0292535539c4d9782de
[INFO] running `"docker" "start" "-a" "54f763e5ddd901c49941895d9ad98dc1e498fa9bbad9e0292535539c4d9782de"`
[INFO] [stderr]    Compiling json_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "54f763e5ddd901c49941895d9ad98dc1e498fa9bbad9e0292535539c4d9782de"`
[INFO] running `"docker" "rm" "-f" "54f763e5ddd901c49941895d9ad98dc1e498fa9bbad9e0292535539c4d9782de"`
[INFO] [stdout] 54f763e5ddd901c49941895d9ad98dc1e498fa9bbad9e0292535539c4d9782de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/wmww/rust_json_parser:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] c36616d719844f1c91f1137b63a0877a4c3b626ec7bbb4854eeea690c25e1fd9
[INFO] running `"docker" "start" "-a" "c36616d719844f1c91f1137b63a0877a4c3b626ec7bbb4854eeea690c25e1fd9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json_rust-893738dbcbc5e10f
[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" "c36616d719844f1c91f1137b63a0877a4c3b626ec7bbb4854eeea690c25e1fd9"`
[INFO] running `"docker" "rm" "-f" "c36616d719844f1c91f1137b63a0877a4c3b626ec7bbb4854eeea690c25e1fd9"`
[INFO] [stdout] c36616d719844f1c91f1137b63a0877a4c3b626ec7bbb4854eeea690c25e1fd9