[INFO] updating cached repository u2400/rust-tcp-demo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/u2400/rust-tcp-demo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/u2400/rust-tcp-demo" "work/ex/beta-1.38-1/sources/1.37.0/gh/u2400/rust-tcp-demo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/u2400/rust-tcp-demo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/u2400/rust-tcp-demo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/u2400/rust-tcp-demo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/u2400/rust-tcp-demo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a38a24cc630c3d9f000ab9d87239a9762fef603b
[INFO] sha for GitHub repo u2400/rust-tcp-demo: a38a24cc630c3d9f000ab9d87239a9762fef603b
[INFO] validating manifest of u2400/rust-tcp-demo 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 u2400/rust-tcp-demo 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 u2400/rust-tcp-demo
[INFO] finished frobbing u2400/rust-tcp-demo
[INFO] frobbed toml for u2400/rust-tcp-demo written to work/ex/beta-1.38-1/sources/1.37.0/gh/u2400/rust-tcp-demo/Cargo.toml
[INFO] started frobbing u2400/rust-tcp-demo
[INFO] finished frobbing u2400/rust-tcp-demo
[INFO] frobbed toml for u2400/rust-tcp-demo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/u2400/rust-tcp-demo/Cargo.toml
[INFO] crate u2400/rust-tcp-demo 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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing u2400/rust-tcp-demo 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-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/u2400/rust-tcp-demo:/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] f55896f66483638793582c82823289a599d53cdc812304b25a86a9aac726a788
[INFO] running `"docker" "start" "-a" "f55896f66483638793582c82823289a599d53cdc812304b25a86a9aac726a788"`
[INFO] [stderr]    Compiling test_pro v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "f55896f66483638793582c82823289a599d53cdc812304b25a86a9aac726a788"`
[INFO] running `"docker" "rm" "-f" "f55896f66483638793582c82823289a599d53cdc812304b25a86a9aac726a788"`
[INFO] [stdout] f55896f66483638793582c82823289a599d53cdc812304b25a86a9aac726a788
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/u2400/rust-tcp-demo:/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] 12a10279cc81480492736b1967157b77987bbceaa800d45a56eb8d3aea40aba7
[INFO] running `"docker" "start" "-a" "12a10279cc81480492736b1967157b77987bbceaa800d45a56eb8d3aea40aba7"`
[INFO] [stderr]    Compiling test_pro v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "12a10279cc81480492736b1967157b77987bbceaa800d45a56eb8d3aea40aba7"`
[INFO] running `"docker" "rm" "-f" "12a10279cc81480492736b1967157b77987bbceaa800d45a56eb8d3aea40aba7"`
[INFO] [stdout] 12a10279cc81480492736b1967157b77987bbceaa800d45a56eb8d3aea40aba7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/u2400/rust-tcp-demo:/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] 047dffd60e24f1b6886894594601a203929792c5b1c169892f87f6edf0869a1a
[INFO] running `"docker" "start" "-a" "047dffd60e24f1b6886894594601a203929792c5b1c169892f87f6edf0869a1a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_pro-c3fcdd33c0914e3c
[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" "047dffd60e24f1b6886894594601a203929792c5b1c169892f87f6edf0869a1a"`
[INFO] running `"docker" "rm" "-f" "047dffd60e24f1b6886894594601a203929792c5b1c169892f87f6edf0869a1a"`
[INFO] [stdout] 047dffd60e24f1b6886894594601a203929792c5b1c169892f87f6edf0869a1a