[INFO] updating cached repository hustshawn/rust-tokio-echo-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hustshawn/rust-tokio-echo-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hustshawn/rust-tokio-echo-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/hustshawn/rust-tokio-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hustshawn/rust-tokio-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hustshawn/rust-tokio-echo-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hustshawn/rust-tokio-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hustshawn/rust-tokio-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7241b2d5b09828e6179aece12ec8dc510a4b7522
[INFO] sha for GitHub repo hustshawn/rust-tokio-echo-server: 7241b2d5b09828e6179aece12ec8dc510a4b7522
[INFO] validating manifest of hustshawn/rust-tokio-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 hustshawn/rust-tokio-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 hustshawn/rust-tokio-echo-server
[INFO] finished frobbing hustshawn/rust-tokio-echo-server
[INFO] frobbed toml for hustshawn/rust-tokio-echo-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/hustshawn/rust-tokio-echo-server/Cargo.toml
[INFO] started frobbing hustshawn/rust-tokio-echo-server
[INFO] finished frobbing hustshawn/rust-tokio-echo-server
[INFO] frobbed toml for hustshawn/rust-tokio-echo-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hustshawn/rust-tokio-echo-server/Cargo.toml
[INFO] crate hustshawn/rust-tokio-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 hustshawn/rust-tokio-echo-server 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hustshawn/rust-tokio-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b74a2115dfe51d3c2dcb59911324ac237d5afe10ae327471f2e0f8cc60c45d3b
[INFO] running `"docker" "start" "-a" "b74a2115dfe51d3c2dcb59911324ac237d5afe10ae327471f2e0f8cc60c45d3b"`
[INFO] [stderr]    Compiling net2 v0.2.30
[INFO] [stderr]    Compiling bytes v0.4.4
[INFO] [stderr]    Compiling mio v0.6.10
[INFO] [stderr]    Compiling tokio-io v0.1.2
[INFO] [stderr]    Compiling tokio-core v0.1.9
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling echo-proto v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.44s
[INFO] running `"docker" "inspect" "b74a2115dfe51d3c2dcb59911324ac237d5afe10ae327471f2e0f8cc60c45d3b"`
[INFO] running `"docker" "rm" "-f" "b74a2115dfe51d3c2dcb59911324ac237d5afe10ae327471f2e0f8cc60c45d3b"`
[INFO] [stdout] b74a2115dfe51d3c2dcb59911324ac237d5afe10ae327471f2e0f8cc60c45d3b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hustshawn/rust-tokio-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8327f5627df986f079f5650d6cf6306c6ecba7e4b2301880ec517c37ec4ef5d5
[INFO] running `"docker" "start" "-a" "8327f5627df986f079f5650d6cf6306c6ecba7e4b2301880ec517c37ec4ef5d5"`
[INFO] [stderr]    Compiling echo-proto v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "8327f5627df986f079f5650d6cf6306c6ecba7e4b2301880ec517c37ec4ef5d5"`
[INFO] running `"docker" "rm" "-f" "8327f5627df986f079f5650d6cf6306c6ecba7e4b2301880ec517c37ec4ef5d5"`
[INFO] [stdout] 8327f5627df986f079f5650d6cf6306c6ecba7e4b2301880ec517c37ec4ef5d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hustshawn/rust-tokio-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 0eb6133ecd22af3eabd740daa5d59665576a6514b65654a6ccc442b4e7788be4
[INFO] running `"docker" "start" "-a" "0eb6133ecd22af3eabd740daa5d59665576a6514b65654a6ccc442b4e7788be4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo_proto-858e68f57ec4fb39
[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" "0eb6133ecd22af3eabd740daa5d59665576a6514b65654a6ccc442b4e7788be4"`
[INFO] running `"docker" "rm" "-f" "0eb6133ecd22af3eabd740daa5d59665576a6514b65654a6ccc442b4e7788be4"`
[INFO] [stdout] 0eb6133ecd22af3eabd740daa5d59665576a6514b65654a6ccc442b4e7788be4