[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 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-0/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/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 70c936945302ba416eaccc9fd53e683b96f9d482e8b439dd435213d482866c4e
[INFO] running `"docker" "start" "-a" "70c936945302ba416eaccc9fd53e683b96f9d482e8b439dd435213d482866c4e"`
[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" "70c936945302ba416eaccc9fd53e683b96f9d482e8b439dd435213d482866c4e"`
[INFO] running `"docker" "rm" "-f" "70c936945302ba416eaccc9fd53e683b96f9d482e8b439dd435213d482866c4e"`
[INFO] [stdout] 70c936945302ba416eaccc9fd53e683b96f9d482e8b439dd435213d482866c4e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0de6edf820183f909cfa121eb28d251e0c221d4c4bd38025ab85eb0445378ba0
[INFO] running `"docker" "start" "-a" "0de6edf820183f909cfa121eb28d251e0c221d4c4bd38025ab85eb0445378ba0"`
[INFO] [stderr]    Compiling json_crdt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "0de6edf820183f909cfa121eb28d251e0c221d4c4bd38025ab85eb0445378ba0"`
[INFO] running `"docker" "rm" "-f" "0de6edf820183f909cfa121eb28d251e0c221d4c4bd38025ab85eb0445378ba0"`
[INFO] [stdout] 0de6edf820183f909cfa121eb28d251e0c221d4c4bd38025ab85eb0445378ba0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 59c10997b02ce0a07ff8ccd1693df2162395a18d53400258b42b5f1ecb5994f2
[INFO] running `"docker" "start" "-a" "59c10997b02ce0a07ff8ccd1693df2162395a18d53400258b42b5f1ecb5994f2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json_crdt-227e93c2eeb4a901
[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" "59c10997b02ce0a07ff8ccd1693df2162395a18d53400258b42b5f1ecb5994f2"`
[INFO] running `"docker" "rm" "-f" "59c10997b02ce0a07ff8ccd1693df2162395a18d53400258b42b5f1ecb5994f2"`
[INFO] [stdout] 59c10997b02ce0a07ff8ccd1693df2162395a18d53400258b42b5f1ecb5994f2