[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 beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] a9e7e6c7b89268ac968553fcd83a40f7664b03b908d191cf3de0f436c9368b29
[INFO] running `"docker" "start" "-a" "a9e7e6c7b89268ac968553fcd83a40f7664b03b908d191cf3de0f436c9368b29"`
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "a9e7e6c7b89268ac968553fcd83a40f7664b03b908d191cf3de0f436c9368b29"`
[INFO] running `"docker" "rm" "-f" "a9e7e6c7b89268ac968553fcd83a40f7664b03b908d191cf3de0f436c9368b29"`
[INFO] [stdout] a9e7e6c7b89268ac968553fcd83a40f7664b03b908d191cf3de0f436c9368b29
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] d2f366bb4ceca22297e647ae7656a1294501fa0fe4c09d989404b5cb8522ee17
[INFO] running `"docker" "start" "-a" "d2f366bb4ceca22297e647ae7656a1294501fa0fe4c09d989404b5cb8522ee17"`
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "d2f366bb4ceca22297e647ae7656a1294501fa0fe4c09d989404b5cb8522ee17"`
[INFO] running `"docker" "rm" "-f" "d2f366bb4ceca22297e647ae7656a1294501fa0fe4c09d989404b5cb8522ee17"`
[INFO] [stdout] d2f366bb4ceca22297e647ae7656a1294501fa0fe4c09d989404b5cb8522ee17
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 9b25d115c35ec8d2959e9997f9265cd69c8bcc013ead9293c5220deb0ef7ac98
[INFO] running `"docker" "start" "-a" "9b25d115c35ec8d2959e9997f9265cd69c8bcc013ead9293c5220deb0ef7ac98"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo_server-60afb2abc3a7cefe
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo_client-8be07dbc47d724fc
[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] [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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo_server-7f32f40c1fc94d1e
[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]    Doc-tests echo-server
[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" "9b25d115c35ec8d2959e9997f9265cd69c8bcc013ead9293c5220deb0ef7ac98"`
[INFO] running `"docker" "rm" "-f" "9b25d115c35ec8d2959e9997f9265cd69c8bcc013ead9293c5220deb0ef7ac98"`
[INFO] [stdout] 9b25d115c35ec8d2959e9997f9265cd69c8bcc013ead9293c5220deb0ef7ac98