[INFO] updating cached repository garbein/rust-echo-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/garbein/rust-echo-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/garbein/rust-echo-server" "work/ex/beta-1.37-6/sources/1.36.0/gh/garbein/rust-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/garbein/rust-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/garbein/rust-echo-server" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/garbein/rust-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/garbein/rust-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 04bbbf94d3538dd8b4a4c9c9b718dec41c9afba1
[INFO] sha for GitHub repo garbein/rust-echo-server: 04bbbf94d3538dd8b4a4c9c9b718dec41c9afba1
[INFO] validating manifest of garbein/rust-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 garbein/rust-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 garbein/rust-echo-server
[INFO] finished frobbing garbein/rust-echo-server
[INFO] frobbed toml for garbein/rust-echo-server written to work/ex/beta-1.37-6/sources/1.36.0/gh/garbein/rust-echo-server/Cargo.toml
[INFO] started frobbing garbein/rust-echo-server
[INFO] finished frobbing garbein/rust-echo-server
[INFO] frobbed toml for garbein/rust-echo-server written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/garbein/rust-echo-server/Cargo.toml
[INFO] crate garbein/rust-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 garbein/rust-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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/garbein/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 29407fa94a0acf1af6cc5239ec22865f0c8293327e79e6c1d94cab4993afa69d
[INFO] running `"docker" "start" "-a" "29407fa94a0acf1af6cc5239ec22865f0c8293327e79e6c1d94cab4993afa69d"`
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `"docker" "inspect" "29407fa94a0acf1af6cc5239ec22865f0c8293327e79e6c1d94cab4993afa69d"`
[INFO] running `"docker" "rm" "-f" "29407fa94a0acf1af6cc5239ec22865f0c8293327e79e6c1d94cab4993afa69d"`
[INFO] [stdout] 29407fa94a0acf1af6cc5239ec22865f0c8293327e79e6c1d94cab4993afa69d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/garbein/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b455465c7d8fbff68d5b49dc89de18c91af2724868dc693e23b362ea4d577d54
[INFO] running `"docker" "start" "-a" "b455465c7d8fbff68d5b49dc89de18c91af2724868dc693e23b362ea4d577d54"`
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "b455465c7d8fbff68d5b49dc89de18c91af2724868dc693e23b362ea4d577d54"`
[INFO] running `"docker" "rm" "-f" "b455465c7d8fbff68d5b49dc89de18c91af2724868dc693e23b362ea4d577d54"`
[INFO] [stdout] b455465c7d8fbff68d5b49dc89de18c91af2724868dc693e23b362ea4d577d54
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/garbein/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 5c48d84eabcb2fd615b2af2b90af9b8fe71e28560410103d74ad2502fd82cea7
[INFO] running `"docker" "start" "-a" "5c48d84eabcb2fd615b2af2b90af9b8fe71e28560410103d74ad2502fd82cea7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo_server-64192943f74166c4
[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] [stderr]      Running /opt/crater/target/debug/deps/echo_client-560066474a70663f
[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] [stderr]      Running /opt/crater/target/debug/deps/echo_server-fac6b251500c7952
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests echo-server
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "5c48d84eabcb2fd615b2af2b90af9b8fe71e28560410103d74ad2502fd82cea7"`
[INFO] running `"docker" "rm" "-f" "5c48d84eabcb2fd615b2af2b90af9b8fe71e28560410103d74ad2502fd82cea7"`
[INFO] [stdout] 5c48d84eabcb2fd615b2af2b90af9b8fe71e28560410103d74ad2502fd82cea7