[INFO] fetching crate jsonpp 2.0.1...
[INFO] extracting crate jsonpp 2.0.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/jsonpp/2.0.1
[INFO] extracting crate jsonpp 2.0.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/jsonpp/2.0.1
[INFO] validating manifest of jsonpp-2.0.1 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 jsonpp-2.0.1 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 jsonpp-2.0.1
[INFO] finished frobbing jsonpp-2.0.1
[INFO] frobbed toml for jsonpp-2.0.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/jsonpp/2.0.1/Cargo.toml
[INFO] started frobbing jsonpp-2.0.1
[INFO] finished frobbing jsonpp-2.0.1
[INFO] frobbed toml for jsonpp-2.0.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/jsonpp/2.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 jsonpp-2.0.1 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/jsonpp/2.0.1:/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] b7556fb211053fce0d10c98eca8bf58df216fa104ff4c5543ed6497929fdeef1
[INFO] running `"docker" "start" "-a" "b7556fb211053fce0d10c98eca8bf58df216fa104ff4c5543ed6497929fdeef1"`
[INFO] [stderr]    Compiling filebuffer v0.4.0
[INFO] [stderr]    Compiling serde-transcode v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling jsonpp v2.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.10s
[INFO] running `"docker" "inspect" "b7556fb211053fce0d10c98eca8bf58df216fa104ff4c5543ed6497929fdeef1"`
[INFO] running `"docker" "rm" "-f" "b7556fb211053fce0d10c98eca8bf58df216fa104ff4c5543ed6497929fdeef1"`
[INFO] [stdout] b7556fb211053fce0d10c98eca8bf58df216fa104ff4c5543ed6497929fdeef1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/jsonpp/2.0.1:/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] 16ea88fb585670ce47c67f23d1f862767f54423e5d7f96f64c552a3d71381826
[INFO] running `"docker" "start" "-a" "16ea88fb585670ce47c67f23d1f862767f54423e5d7f96f64c552a3d71381826"`
[INFO] [stderr]    Compiling jsonpp v2.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "16ea88fb585670ce47c67f23d1f862767f54423e5d7f96f64c552a3d71381826"`
[INFO] running `"docker" "rm" "-f" "16ea88fb585670ce47c67f23d1f862767f54423e5d7f96f64c552a3d71381826"`
[INFO] [stdout] 16ea88fb585670ce47c67f23d1f862767f54423e5d7f96f64c552a3d71381826
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/jsonpp/2.0.1:/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] 44aca6dd0d4f7e0bfbaae90cea0bca9a2b017b102b62866fd4561c3d35f7d68b
[INFO] running `"docker" "start" "-a" "44aca6dd0d4f7e0bfbaae90cea0bca9a2b017b102b62866fd4561c3d35f7d68b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/jsonpp-4c997b896cd31771
[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/tester-ea2d5d26f48fb698
[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/tests-462cb2695db09f9c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_pretty_printing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "44aca6dd0d4f7e0bfbaae90cea0bca9a2b017b102b62866fd4561c3d35f7d68b"`
[INFO] running `"docker" "rm" "-f" "44aca6dd0d4f7e0bfbaae90cea0bca9a2b017b102b62866fd4561c3d35f7d68b"`
[INFO] [stdout] 44aca6dd0d4f7e0bfbaae90cea0bca9a2b017b102b62866fd4561c3d35f7d68b