[INFO] updating cached repository hoodie/json-tools
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hoodie/json-tools
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hoodie/json-tools" "work/ex/beta-1.38-1/sources/1.37.0/gh/hoodie/json-tools"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hoodie/json-tools'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hoodie/json-tools" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hoodie/json-tools"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hoodie/json-tools'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3041f1060f507e5309efcf4176a8944c17348a24
[INFO] sha for GitHub repo hoodie/json-tools: 3041f1060f507e5309efcf4176a8944c17348a24
[INFO] validating manifest of hoodie/json-tools 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 hoodie/json-tools 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 hoodie/json-tools
[INFO] finished frobbing hoodie/json-tools
[INFO] frobbed toml for hoodie/json-tools written to work/ex/beta-1.38-1/sources/1.37.0/gh/hoodie/json-tools/Cargo.toml
[INFO] started frobbing hoodie/json-tools
[INFO] finished frobbing hoodie/json-tools
[INFO] frobbed toml for hoodie/json-tools written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hoodie/json-tools/Cargo.toml
[INFO] crate hoodie/json-tools 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 hoodie/json-tools 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hoodie/json-tools:/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] ec0b45bb1628f2c86adb5a220bc3d7124dab65880ab5a4fe5b5a0813ead0890f
[INFO] running `"docker" "start" "-a" "ec0b45bb1628f2c86adb5a220bc3d7124dab65880ab5a4fe5b5a0813ead0890f"`
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling serde_json v1.0.38
[INFO] [stderr]    Compiling json-tools v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.93s
[INFO] running `"docker" "inspect" "ec0b45bb1628f2c86adb5a220bc3d7124dab65880ab5a4fe5b5a0813ead0890f"`
[INFO] running `"docker" "rm" "-f" "ec0b45bb1628f2c86adb5a220bc3d7124dab65880ab5a4fe5b5a0813ead0890f"`
[INFO] [stdout] ec0b45bb1628f2c86adb5a220bc3d7124dab65880ab5a4fe5b5a0813ead0890f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hoodie/json-tools:/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] 51a625d48521690fc32d1256268ab2db300b15a91ac9acb734c9908bf07b4073
[INFO] running `"docker" "start" "-a" "51a625d48521690fc32d1256268ab2db300b15a91ac9acb734c9908bf07b4073"`
[INFO] [stderr]    Compiling json-tools v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `"docker" "inspect" "51a625d48521690fc32d1256268ab2db300b15a91ac9acb734c9908bf07b4073"`
[INFO] running `"docker" "rm" "-f" "51a625d48521690fc32d1256268ab2db300b15a91ac9acb734c9908bf07b4073"`
[INFO] [stdout] 51a625d48521690fc32d1256268ab2db300b15a91ac9acb734c9908bf07b4073
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hoodie/json-tools:/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] 05073114dcf39c8d8970d94903a3dd540c7ea1c6cdf46d9667646404b254f92c
[INFO] running `"docker" "start" "-a" "05073114dcf39c8d8970d94903a3dd540c7ea1c6cdf46d9667646404b254f92c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json_to_js-b2f5e782304ade13
[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/shrink_json-74f6daca79594e0f
[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" "05073114dcf39c8d8970d94903a3dd540c7ea1c6cdf46d9667646404b254f92c"`
[INFO] running `"docker" "rm" "-f" "05073114dcf39c8d8970d94903a3dd540c7ea1c6cdf46d9667646404b254f92c"`
[INFO] [stdout] 05073114dcf39c8d8970d94903a3dd540c7ea1c6cdf46d9667646404b254f92c