[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-1.37-6/sources/1.36.0/gh/hustshawn/rust-tokio-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/gh/hustshawn/rust-tokio-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hustshawn/rust-tokio-echo-server on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hustshawn/rust-tokio-echo-server against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] b9ce421a5ab2d378059530632b0b779356479fa1e41bbb5126d3b971d6b4f3da
[INFO] running `"docker" "start" "-a" "b9ce421a5ab2d378059530632b0b779356479fa1e41bbb5126d3b971d6b4f3da"`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling net2 v0.2.30
[INFO] [stderr]    Compiling rand v0.3.16
[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 11.87s
[INFO] running `"docker" "inspect" "b9ce421a5ab2d378059530632b0b779356479fa1e41bbb5126d3b971d6b4f3da"`
[INFO] running `"docker" "rm" "-f" "b9ce421a5ab2d378059530632b0b779356479fa1e41bbb5126d3b971d6b4f3da"`
[INFO] [stdout] b9ce421a5ab2d378059530632b0b779356479fa1e41bbb5126d3b971d6b4f3da
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b1d810b6ce115d08966df3d2b40e4860883adda0f825ee7eea2445c90ec4831e
[INFO] running `"docker" "start" "-a" "b1d810b6ce115d08966df3d2b40e4860883adda0f825ee7eea2445c90ec4831e"`
[INFO] [stderr]    Compiling echo-proto v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "b1d810b6ce115d08966df3d2b40e4860883adda0f825ee7eea2445c90ec4831e"`
[INFO] running `"docker" "rm" "-f" "b1d810b6ce115d08966df3d2b40e4860883adda0f825ee7eea2445c90ec4831e"`
[INFO] [stdout] b1d810b6ce115d08966df3d2b40e4860883adda0f825ee7eea2445c90ec4831e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 3dda2fb56bf79281c076aaa2eb04c5e6a4d1c1b498ddd0f369c3979778b38f49
[INFO] running `"docker" "start" "-a" "3dda2fb56bf79281c076aaa2eb04c5e6a4d1c1b498ddd0f369c3979778b38f49"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo_proto-58b7ebfc688b87b7
[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" "3dda2fb56bf79281c076aaa2eb04c5e6a4d1c1b498ddd0f369c3979778b38f49"`
[INFO] running `"docker" "rm" "-f" "3dda2fb56bf79281c076aaa2eb04c5e6a4d1c1b498ddd0f369c3979778b38f49"`
[INFO] [stdout] 3dda2fb56bf79281c076aaa2eb04c5e6a4d1c1b498ddd0f369c3979778b38f49