[INFO] crate json_derive 0.0.1-alpha1 is already in cache
[INFO] extracting crate json_derive 0.0.1-alpha1 into work/ex/beta-1.38-1/sources/1.37.0/reg/json_derive/0.0.1-alpha1
[INFO] extracting crate json_derive 0.0.1-alpha1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json_derive/0.0.1-alpha1
[INFO] validating manifest of json_derive-0.0.1-alpha1 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 json_derive-0.0.1-alpha1 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 json_derive-0.0.1-alpha1
[INFO] finished frobbing json_derive-0.0.1-alpha1
[INFO] frobbed toml for json_derive-0.0.1-alpha1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/json_derive/0.0.1-alpha1/Cargo.toml
[INFO] started frobbing json_derive-0.0.1-alpha1
[INFO] finished frobbing json_derive-0.0.1-alpha1
[INFO] frobbed toml for json_derive-0.0.1-alpha1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json_derive/0.0.1-alpha1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 json_derive-0.0.1-alpha1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json_derive/0.0.1-alpha1:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 672c93f6484ee9475f2edbccfb29310fd0f642b1b383206d6e88d8d17a65335a
[INFO] running `"docker" "start" "-a" "672c93f6484ee9475f2edbccfb29310fd0f642b1b383206d6e88d8d17a65335a"`
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling json_derive v0.0.1-alpha1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.58s
[INFO] running `"docker" "inspect" "672c93f6484ee9475f2edbccfb29310fd0f642b1b383206d6e88d8d17a65335a"`
[INFO] running `"docker" "rm" "-f" "672c93f6484ee9475f2edbccfb29310fd0f642b1b383206d6e88d8d17a65335a"`
[INFO] [stdout] 672c93f6484ee9475f2edbccfb29310fd0f642b1b383206d6e88d8d17a65335a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json_derive/0.0.1-alpha1:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ee7ff1652ab9d5d817f2045f8a6e035d39400cb5e507a70b2d2a97c262c8c9a0
[INFO] running `"docker" "start" "-a" "ee7ff1652ab9d5d817f2045f8a6e035d39400cb5e507a70b2d2a97c262c8c9a0"`
[INFO] [stderr]    Compiling json_derive v0.0.1-alpha1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "ee7ff1652ab9d5d817f2045f8a6e035d39400cb5e507a70b2d2a97c262c8c9a0"`
[INFO] running `"docker" "rm" "-f" "ee7ff1652ab9d5d817f2045f8a6e035d39400cb5e507a70b2d2a97c262c8c9a0"`
[INFO] [stdout] ee7ff1652ab9d5d817f2045f8a6e035d39400cb5e507a70b2d2a97c262c8c9a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/json_derive/0.0.1-alpha1:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] fb4f2b27295a2e251482ac6f4dc97f89c56b8370493b8331ac1bdac6f1f40a58
[INFO] running `"docker" "start" "-a" "fb4f2b27295a2e251482ac6f4dc97f89c56b8370493b8331ac1bdac6f1f40a58"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/json_derive-6e27285595079288
[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_derive
[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" "fb4f2b27295a2e251482ac6f4dc97f89c56b8370493b8331ac1bdac6f1f40a58"`
[INFO] running `"docker" "rm" "-f" "fb4f2b27295a2e251482ac6f4dc97f89c56b8370493b8331ac1bdac6f1f40a58"`
[INFO] [stdout] fb4f2b27295a2e251482ac6f4dc97f89c56b8370493b8331ac1bdac6f1f40a58