[INFO] updating cached repository kaliumxyz/json
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kaliumxyz/json
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kaliumxyz/json" "work/ex/beta-1.38-1/sources/1.37.0/gh/kaliumxyz/json"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kaliumxyz/json'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kaliumxyz/json" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kaliumxyz/json"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kaliumxyz/json'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f43f7fe0101fb714bc1b8295fa0f3c515b4bf731
[INFO] sha for GitHub repo kaliumxyz/json: f43f7fe0101fb714bc1b8295fa0f3c515b4bf731
[INFO] validating manifest of kaliumxyz/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 kaliumxyz/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 kaliumxyz/json
[INFO] finished frobbing kaliumxyz/json
[INFO] frobbed toml for kaliumxyz/json written to work/ex/beta-1.38-1/sources/1.37.0/gh/kaliumxyz/json/Cargo.toml
[INFO] started frobbing kaliumxyz/json
[INFO] finished frobbing kaliumxyz/json
[INFO] frobbed toml for kaliumxyz/json written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kaliumxyz/json/Cargo.toml
[INFO] crate kaliumxyz/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 kaliumxyz/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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kaliumxyz/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] f2b15200a2768769eab732a599ea467812666f4ff56f4b0751fca5f7d6e024ec
[INFO] running `"docker" "start" "-a" "f2b15200a2768769eab732a599ea467812666f4ff56f4b0751fca5f7d6e024ec"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "f2b15200a2768769eab732a599ea467812666f4ff56f4b0751fca5f7d6e024ec"`
[INFO] running `"docker" "rm" "-f" "f2b15200a2768769eab732a599ea467812666f4ff56f4b0751fca5f7d6e024ec"`
[INFO] [stdout] f2b15200a2768769eab732a599ea467812666f4ff56f4b0751fca5f7d6e024ec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kaliumxyz/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] 9afce2b9f66577f67beb4714501f9926c5284c44eca950d5e2c8402c2477cf33
[INFO] running `"docker" "start" "-a" "9afce2b9f66577f67beb4714501f9926c5284c44eca950d5e2c8402c2477cf33"`
[INFO] [stderr]    Compiling json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "9afce2b9f66577f67beb4714501f9926c5284c44eca950d5e2c8402c2477cf33"`
[INFO] running `"docker" "rm" "-f" "9afce2b9f66577f67beb4714501f9926c5284c44eca950d5e2c8402c2477cf33"`
[INFO] [stdout] 9afce2b9f66577f67beb4714501f9926c5284c44eca950d5e2c8402c2477cf33
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kaliumxyz/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] 9c7c5dd4eecb56db21dcb918f5c7ab8c529c0287f9e3ec544d9c9d83c0c76d79
[INFO] running `"docker" "start" "-a" "9c7c5dd4eecb56db21dcb918f5c7ab8c529c0287f9e3ec544d9c9d83c0c76d79"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json-9fd52942762c5829
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::basic_obj ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-27487a32f457d9b1
[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]    Doc-tests 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" "9c7c5dd4eecb56db21dcb918f5c7ab8c529c0287f9e3ec544d9c9d83c0c76d79"`
[INFO] running `"docker" "rm" "-f" "9c7c5dd4eecb56db21dcb918f5c7ab8c529c0287f9e3ec544d9c9d83c0c76d79"`
[INFO] [stdout] 9c7c5dd4eecb56db21dcb918f5c7ab8c529c0287f9e3ec544d9c9d83c0c76d79