[INFO] crate modbus 1.0.3 is already in cache
[INFO] extracting crate modbus 1.0.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/modbus/1.0.3
[INFO] extracting crate modbus 1.0.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/modbus/1.0.3
[INFO] validating manifest of modbus-1.0.3 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-1.0.3 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-1.0.3
[INFO] finished frobbing modbus-1.0.3
[INFO] frobbed toml for modbus-1.0.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/modbus/1.0.3/Cargo.toml
[INFO] started frobbing modbus-1.0.3
[INFO] finished frobbing modbus-1.0.3
[INFO] frobbed toml for modbus-1.0.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/modbus/1.0.3/Cargo.toml
[INFO] crate modbus-1.0.3 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] building modbus-1.0.3 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/modbus/1.0.3:/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] 4fef52e8d13552cd13d3409d564bd45a806b3e6673e356a6cfccf0973f3b0101
[INFO] running `"docker" "start" "-a" "4fef52e8d13552cd13d3409d564bd45a806b3e6673e356a6cfccf0973f3b0101"`
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling modbus v1.0.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `"docker" "inspect" "4fef52e8d13552cd13d3409d564bd45a806b3e6673e356a6cfccf0973f3b0101"`
[INFO] running `"docker" "rm" "-f" "4fef52e8d13552cd13d3409d564bd45a806b3e6673e356a6cfccf0973f3b0101"`
[INFO] [stdout] 4fef52e8d13552cd13d3409d564bd45a806b3e6673e356a6cfccf0973f3b0101
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/modbus/1.0.3:/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] 8713dd46fe53b825c3c4804104f47fc3881b0861a65826b5cac3473d3056eaeb
[INFO] running `"docker" "start" "-a" "8713dd46fe53b825c3c4804104f47fc3881b0861a65826b5cac3473d3056eaeb"`
[INFO] [stderr]    Compiling modbus-test-server v0.0.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling modbus v1.0.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.98s
[INFO] running `"docker" "inspect" "8713dd46fe53b825c3c4804104f47fc3881b0861a65826b5cac3473d3056eaeb"`
[INFO] running `"docker" "rm" "-f" "8713dd46fe53b825c3c4804104f47fc3881b0861a65826b5cac3473d3056eaeb"`
[INFO] [stdout] 8713dd46fe53b825c3c4804104f47fc3881b0861a65826b5cac3473d3056eaeb