[INFO] updating cached repository IldarFatikhov/json_crdt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/IldarFatikhov/json_crdt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/IldarFatikhov/json_crdt" "work/ex/beta-1.37-6/sources/1.36.0/gh/IldarFatikhov/json_crdt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/IldarFatikhov/json_crdt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/IldarFatikhov/json_crdt" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/IldarFatikhov/json_crdt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/IldarFatikhov/json_crdt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7754e68a9aeb24f275ce2a670f0850a3cf538ad8
[INFO] sha for GitHub repo IldarFatikhov/json_crdt: 7754e68a9aeb24f275ce2a670f0850a3cf538ad8
[INFO] validating manifest of IldarFatikhov/json_crdt 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 IldarFatikhov/json_crdt 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 IldarFatikhov/json_crdt
[INFO] finished frobbing IldarFatikhov/json_crdt
[INFO] frobbed toml for IldarFatikhov/json_crdt written to work/ex/beta-1.37-6/sources/1.36.0/gh/IldarFatikhov/json_crdt/Cargo.toml
[INFO] started frobbing IldarFatikhov/json_crdt
[INFO] finished frobbing IldarFatikhov/json_crdt
[INFO] frobbed toml for IldarFatikhov/json_crdt written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/IldarFatikhov/json_crdt/Cargo.toml
[INFO] crate IldarFatikhov/json_crdt 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 IldarFatikhov/json_crdt 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/IldarFatikhov/json_crdt:/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] b0e3d3298ae38c00ef2219ca2d1d6992381a68568ee6f737ceb06ba526d5449e
[INFO] running `"docker" "start" "-a" "b0e3d3298ae38c00ef2219ca2d1d6992381a68568ee6f737ceb06ba526d5449e"`
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling json_crdt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.53s
[INFO] running `"docker" "inspect" "b0e3d3298ae38c00ef2219ca2d1d6992381a68568ee6f737ceb06ba526d5449e"`
[INFO] running `"docker" "rm" "-f" "b0e3d3298ae38c00ef2219ca2d1d6992381a68568ee6f737ceb06ba526d5449e"`
[INFO] [stdout] b0e3d3298ae38c00ef2219ca2d1d6992381a68568ee6f737ceb06ba526d5449e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/IldarFatikhov/json_crdt:/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] ef72a909b2ad4b1e582bb08cf0f3aef90927501843787a6f8ad1c124cd00b6cd
[INFO] running `"docker" "start" "-a" "ef72a909b2ad4b1e582bb08cf0f3aef90927501843787a6f8ad1c124cd00b6cd"`
[INFO] [stderr]    Compiling json_crdt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "ef72a909b2ad4b1e582bb08cf0f3aef90927501843787a6f8ad1c124cd00b6cd"`
[INFO] running `"docker" "rm" "-f" "ef72a909b2ad4b1e582bb08cf0f3aef90927501843787a6f8ad1c124cd00b6cd"`
[INFO] [stdout] ef72a909b2ad4b1e582bb08cf0f3aef90927501843787a6f8ad1c124cd00b6cd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/IldarFatikhov/json_crdt:/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] 538e1362c8025cbf5a3c9e18808334a372340e26d5f34111f5b56c8f37c1984e
[INFO] running `"docker" "start" "-a" "538e1362c8025cbf5a3c9e18808334a372340e26d5f34111f5b56c8f37c1984e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json_crdt-e8ad8a033f8abcfc
[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" "538e1362c8025cbf5a3c9e18808334a372340e26d5f34111f5b56c8f37c1984e"`
[INFO] running `"docker" "rm" "-f" "538e1362c8025cbf5a3c9e18808334a372340e26d5f34111f5b56c8f37c1984e"`
[INFO] [stdout] 538e1362c8025cbf5a3c9e18808334a372340e26d5f34111f5b56c8f37c1984e