[INFO] updating cached repository netroby/tarpcdemo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/netroby/tarpcdemo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/netroby/tarpcdemo" "work/ex/beta-1.38-1/sources/1.37.0/gh/netroby/tarpcdemo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/netroby/tarpcdemo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/netroby/tarpcdemo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/netroby/tarpcdemo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/netroby/tarpcdemo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8fdd29bdc3c2fbc00c902e9d23cad41d9a1cb3c7
[INFO] sha for GitHub repo netroby/tarpcdemo: 8fdd29bdc3c2fbc00c902e9d23cad41d9a1cb3c7
[INFO] validating manifest of netroby/tarpcdemo 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 netroby/tarpcdemo 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 netroby/tarpcdemo
[INFO] finished frobbing netroby/tarpcdemo
[INFO] frobbed toml for netroby/tarpcdemo written to work/ex/beta-1.38-1/sources/1.37.0/gh/netroby/tarpcdemo/Cargo.toml
[INFO] started frobbing netroby/tarpcdemo
[INFO] finished frobbing netroby/tarpcdemo
[INFO] frobbed toml for netroby/tarpcdemo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/netroby/tarpcdemo/Cargo.toml
[INFO] crate netroby/tarpcdemo 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/netroby/tarpcdemo/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 netroby/tarpcdemo 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/netroby/tarpcdemo:/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] fe2babd0d2c032c9be46eb75211ac118f835a392efeb9ea6d78e9eddc3c445c5
[INFO] running `"docker" "start" "-a" "fe2babd0d2c032c9be46eb75211ac118f835a392efeb9ea6d78e9eddc3c445c5"`
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling bincode v0.6.1
[INFO] [stderr]    Compiling scoped-pool v1.0.0
[INFO] [stderr]    Compiling tarpc v0.6.0
[INFO] [stderr]    Compiling tarpcdemo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `"docker" "inspect" "fe2babd0d2c032c9be46eb75211ac118f835a392efeb9ea6d78e9eddc3c445c5"`
[INFO] running `"docker" "rm" "-f" "fe2babd0d2c032c9be46eb75211ac118f835a392efeb9ea6d78e9eddc3c445c5"`
[INFO] [stdout] fe2babd0d2c032c9be46eb75211ac118f835a392efeb9ea6d78e9eddc3c445c5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/netroby/tarpcdemo:/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] 75e40c268ad9fbbedd9994d6ae86c25f73950539747ebaeb906c613459207844
[INFO] running `"docker" "start" "-a" "75e40c268ad9fbbedd9994d6ae86c25f73950539747ebaeb906c613459207844"`
[INFO] [stderr]    Compiling tarpcdemo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "75e40c268ad9fbbedd9994d6ae86c25f73950539747ebaeb906c613459207844"`
[INFO] running `"docker" "rm" "-f" "75e40c268ad9fbbedd9994d6ae86c25f73950539747ebaeb906c613459207844"`
[INFO] [stdout] 75e40c268ad9fbbedd9994d6ae86c25f73950539747ebaeb906c613459207844
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/netroby/tarpcdemo:/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"`
[INFO] [stdout] 01e0f42920b46baa20007a79003327fbeea39bd524501753d6bb1fbba1e56408
[INFO] running `"docker" "start" "-a" "01e0f42920b46baa20007a79003327fbeea39bd524501753d6bb1fbba1e56408"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tarpcdemo-9c82c7234a03ef62
[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" "01e0f42920b46baa20007a79003327fbeea39bd524501753d6bb1fbba1e56408"`
[INFO] running `"docker" "rm" "-f" "01e0f42920b46baa20007a79003327fbeea39bd524501753d6bb1fbba1e56408"`
[INFO] [stdout] 01e0f42920b46baa20007a79003327fbeea39bd524501753d6bb1fbba1e56408