[INFO] crate modbus-core 0.0.0 is already in cache
[INFO] extracting crate modbus-core 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/modbus-core/0.0.0
[INFO] extracting crate modbus-core 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/modbus-core/0.0.0
[INFO] validating manifest of modbus-core-0.0.0 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 modbus-core-0.0.0 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 modbus-core-0.0.0
[INFO] finished frobbing modbus-core-0.0.0
[INFO] frobbed toml for modbus-core-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/modbus-core/0.0.0/Cargo.toml
[INFO] started frobbing modbus-core-0.0.0
[INFO] finished frobbing modbus-core-0.0.0
[INFO] frobbed toml for modbus-core-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/modbus-core/0.0.0/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 modbus-core-0.0.0 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/modbus-core/0.0.0:/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] eeee38737884f275a69b7de4415cf4d20bcd2f5e8fecd74258e476a1daa3faf0
[INFO] running `"docker" "start" "-a" "eeee38737884f275a69b7de4415cf4d20bcd2f5e8fecd74258e476a1daa3faf0"`
[INFO] [stderr]    Compiling modbus-core v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `"docker" "inspect" "eeee38737884f275a69b7de4415cf4d20bcd2f5e8fecd74258e476a1daa3faf0"`
[INFO] running `"docker" "rm" "-f" "eeee38737884f275a69b7de4415cf4d20bcd2f5e8fecd74258e476a1daa3faf0"`
[INFO] [stdout] eeee38737884f275a69b7de4415cf4d20bcd2f5e8fecd74258e476a1daa3faf0
[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/modbus-core/0.0.0:/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] 95c5f8a52924b265d845afb8aab432cd2a96c0bc33d3d65b475c252a9a7fc02b
[INFO] running `"docker" "start" "-a" "95c5f8a52924b265d845afb8aab432cd2a96c0bc33d3d65b475c252a9a7fc02b"`
[INFO] [stderr]    Compiling modbus-core v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "95c5f8a52924b265d845afb8aab432cd2a96c0bc33d3d65b475c252a9a7fc02b"`
[INFO] running `"docker" "rm" "-f" "95c5f8a52924b265d845afb8aab432cd2a96c0bc33d3d65b475c252a9a7fc02b"`
[INFO] [stdout] 95c5f8a52924b265d845afb8aab432cd2a96c0bc33d3d65b475c252a9a7fc02b
[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/modbus-core/0.0.0:/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] ff83b48adfd76ae743ea02f49380a1f0678ffa4144be56f273f9fe75eea3e519
[INFO] running `"docker" "start" "-a" "ff83b48adfd76ae743ea02f49380a1f0678ffa4144be56f273f9fe75eea3e519"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/modbus_core-c8e5d75b235219a8
[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 modbus-core
[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" "ff83b48adfd76ae743ea02f49380a1f0678ffa4144be56f273f9fe75eea3e519"`
[INFO] running `"docker" "rm" "-f" "ff83b48adfd76ae743ea02f49380a1f0678ffa4144be56f273f9fe75eea3e519"`
[INFO] [stdout] ff83b48adfd76ae743ea02f49380a1f0678ffa4144be56f273f9fe75eea3e519