[INFO] updating cached repository staktrace/jsontest
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/staktrace/jsontest
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/staktrace/jsontest" "work/ex/beta-1.37-6/sources/1.36.0/gh/staktrace/jsontest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/staktrace/jsontest'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/staktrace/jsontest" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/staktrace/jsontest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/staktrace/jsontest'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee2d4e43e1e165e0756c86d96129dbaed15a7096
[INFO] sha for GitHub repo staktrace/jsontest: ee2d4e43e1e165e0756c86d96129dbaed15a7096
[INFO] validating manifest of staktrace/jsontest 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 staktrace/jsontest 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 staktrace/jsontest
[INFO] finished frobbing staktrace/jsontest
[INFO] frobbed toml for staktrace/jsontest written to work/ex/beta-1.37-6/sources/1.36.0/gh/staktrace/jsontest/Cargo.toml
[INFO] started frobbing staktrace/jsontest
[INFO] finished frobbing staktrace/jsontest
[INFO] frobbed toml for staktrace/jsontest written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/staktrace/jsontest/Cargo.toml
[INFO] crate staktrace/jsontest 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 staktrace/jsontest 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-5/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/staktrace/jsontest:/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] 413a4033e155ddbbb7bdc2e3ba5b1fc3df578bef582fe385716b4da5da1a8870
[INFO] running `"docker" "start" "-a" "413a4033e155ddbbb7bdc2e3ba5b1fc3df578bef582fe385716b4da5da1a8870"`
[INFO] [stderr]    Compiling jsontest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "413a4033e155ddbbb7bdc2e3ba5b1fc3df578bef582fe385716b4da5da1a8870"`
[INFO] running `"docker" "rm" "-f" "413a4033e155ddbbb7bdc2e3ba5b1fc3df578bef582fe385716b4da5da1a8870"`
[INFO] [stdout] 413a4033e155ddbbb7bdc2e3ba5b1fc3df578bef582fe385716b4da5da1a8870
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/staktrace/jsontest:/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] 4037aaabf406c916ed21ace40bc4d61bd6555ee7b26892ed27784e82bf380556
[INFO] running `"docker" "start" "-a" "4037aaabf406c916ed21ace40bc4d61bd6555ee7b26892ed27784e82bf380556"`
[INFO] [stderr]    Compiling jsontest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "4037aaabf406c916ed21ace40bc4d61bd6555ee7b26892ed27784e82bf380556"`
[INFO] running `"docker" "rm" "-f" "4037aaabf406c916ed21ace40bc4d61bd6555ee7b26892ed27784e82bf380556"`
[INFO] [stdout] 4037aaabf406c916ed21ace40bc4d61bd6555ee7b26892ed27784e82bf380556
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/staktrace/jsontest:/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] b134859baa3dc2396257c98e146f67f56bfdc43999a0c3c749a9305fdbcbf696
[INFO] running `"docker" "start" "-a" "b134859baa3dc2396257c98e146f67f56bfdc43999a0c3c749a9305fdbcbf696"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jsontest-ec12d86ea228eb5b
[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" "b134859baa3dc2396257c98e146f67f56bfdc43999a0c3c749a9305fdbcbf696"`
[INFO] running `"docker" "rm" "-f" "b134859baa3dc2396257c98e146f67f56bfdc43999a0c3c749a9305fdbcbf696"`
[INFO] [stdout] b134859baa3dc2396257c98e146f67f56bfdc43999a0c3c749a9305fdbcbf696