[INFO] updating cached repository GustavoKatel/rust-echo-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/GustavoKatel/rust-echo-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/GustavoKatel/rust-echo-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/GustavoKatel/rust-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/GustavoKatel/rust-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/GustavoKatel/rust-echo-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GustavoKatel/rust-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GustavoKatel/rust-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6391a5c07d99f309265032e234457f5f1942d086
[INFO] sha for GitHub repo GustavoKatel/rust-echo-server: 6391a5c07d99f309265032e234457f5f1942d086
[INFO] validating manifest of GustavoKatel/rust-echo-server 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 GustavoKatel/rust-echo-server 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 GustavoKatel/rust-echo-server
[INFO] finished frobbing GustavoKatel/rust-echo-server
[INFO] frobbed toml for GustavoKatel/rust-echo-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/GustavoKatel/rust-echo-server/Cargo.toml
[INFO] started frobbing GustavoKatel/rust-echo-server
[INFO] finished frobbing GustavoKatel/rust-echo-server
[INFO] frobbed toml for GustavoKatel/rust-echo-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/GustavoKatel/rust-echo-server/Cargo.toml
[INFO] crate GustavoKatel/rust-echo-server 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] testing GustavoKatel/rust-echo-server 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-5/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/GustavoKatel/rust-echo-server:/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] e6b52cf035c93d39cff14daf34bf7429cba3c7cee29321365530552b78d349e8
[INFO] running `"docker" "start" "-a" "e6b52cf035c93d39cff14daf34bf7429cba3c7cee29321365530552b78d349e8"`
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling mio v0.6.0
[INFO] [stderr]    Compiling rust-echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.87s
[INFO] running `"docker" "inspect" "e6b52cf035c93d39cff14daf34bf7429cba3c7cee29321365530552b78d349e8"`
[INFO] running `"docker" "rm" "-f" "e6b52cf035c93d39cff14daf34bf7429cba3c7cee29321365530552b78d349e8"`
[INFO] [stdout] e6b52cf035c93d39cff14daf34bf7429cba3c7cee29321365530552b78d349e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/GustavoKatel/rust-echo-server:/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] 37cf0964b240be271cfd6de20db926cc7807b0cfebd8ae474dc4d5e5cd9dcacd
[INFO] running `"docker" "start" "-a" "37cf0964b240be271cfd6de20db926cc7807b0cfebd8ae474dc4d5e5cd9dcacd"`
[INFO] [stderr]    Compiling rust-echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "37cf0964b240be271cfd6de20db926cc7807b0cfebd8ae474dc4d5e5cd9dcacd"`
[INFO] running `"docker" "rm" "-f" "37cf0964b240be271cfd6de20db926cc7807b0cfebd8ae474dc4d5e5cd9dcacd"`
[INFO] [stdout] 37cf0964b240be271cfd6de20db926cc7807b0cfebd8ae474dc4d5e5cd9dcacd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/GustavoKatel/rust-echo-server:/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] 8210d2bce330cf2eb861643bf279ae0c34a059aeb1ccbde1a8ed09066408148e
[INFO] running `"docker" "start" "-a" "8210d2bce330cf2eb861643bf279ae0c34a059aeb1ccbde1a8ed09066408148e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_echo_server-bbfb0f1a3ebc8840
[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" "8210d2bce330cf2eb861643bf279ae0c34a059aeb1ccbde1a8ed09066408148e"`
[INFO] running `"docker" "rm" "-f" "8210d2bce330cf2eb861643bf279ae0c34a059aeb1ccbde1a8ed09066408148e"`
[INFO] [stdout] 8210d2bce330cf2eb861643bf279ae0c34a059aeb1ccbde1a8ed09066408148e