[INFO] updating cached repository phreaknik/echo-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phreaknik/echo-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phreaknik/echo-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/phreaknik/echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/phreaknik/echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phreaknik/echo-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phreaknik/echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phreaknik/echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8269fd3057f23be10ccecc83ab4cad872018b62
[INFO] sha for GitHub repo phreaknik/echo-server: b8269fd3057f23be10ccecc83ab4cad872018b62
[INFO] validating manifest of phreaknik/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 phreaknik/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 phreaknik/echo-server
[INFO] finished frobbing phreaknik/echo-server
[INFO] frobbed toml for phreaknik/echo-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/phreaknik/echo-server/Cargo.toml
[INFO] started frobbing phreaknik/echo-server
[INFO] finished frobbing phreaknik/echo-server
[INFO] frobbed toml for phreaknik/echo-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phreaknik/echo-server/Cargo.toml
[INFO] crate phreaknik/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 phreaknik/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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/phreaknik/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] 4c712c28e8d35a4c4e280f6f20e86a8a81081367317e4ce75460609bbe61e8c9
[INFO] running `"docker" "start" "-a" "4c712c28e8d35a4c4e280f6f20e86a8a81081367317e4ce75460609bbe61e8c9"`
[INFO] [stderr]    Compiling log v0.4.0
[INFO] [stderr]    Compiling rand v0.3.19
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling tokio-io v0.1.4
[INFO] [stderr]    Compiling mio v0.6.11
[INFO] [stderr]    Compiling tokio-core v0.1.11
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 |     type Future = Box<Future<Item = Self::Response, Error =  Self::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error =  Self::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.11s
[INFO] running `"docker" "inspect" "4c712c28e8d35a4c4e280f6f20e86a8a81081367317e4ce75460609bbe61e8c9"`
[INFO] running `"docker" "rm" "-f" "4c712c28e8d35a4c4e280f6f20e86a8a81081367317e4ce75460609bbe61e8c9"`
[INFO] [stdout] 4c712c28e8d35a4c4e280f6f20e86a8a81081367317e4ce75460609bbe61e8c9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/phreaknik/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] 53f0662629264d9eaf437f155813c5425ba748872f0b972e53b54a30dfdad6fb
[INFO] running `"docker" "start" "-a" "53f0662629264d9eaf437f155813c5425ba748872f0b972e53b54a30dfdad6fb"`
[INFO] [stderr]    Compiling echo-server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:81:23
[INFO] [stderr]    |
[INFO] [stderr] 81 |     type Future = Box<Future<Item = Self::Response, Error =  Self::Error>>;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Response, Error =  Self::Error>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "53f0662629264d9eaf437f155813c5425ba748872f0b972e53b54a30dfdad6fb"`
[INFO] running `"docker" "rm" "-f" "53f0662629264d9eaf437f155813c5425ba748872f0b972e53b54a30dfdad6fb"`
[INFO] [stdout] 53f0662629264d9eaf437f155813c5425ba748872f0b972e53b54a30dfdad6fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/phreaknik/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] b222a88ee1406f186ddbc6ee6f9b953d0232b50c7e19c70447f5872b6f2d2a32
[INFO] running `"docker" "start" "-a" "b222a88ee1406f186ddbc6ee6f9b953d0232b50c7e19c70447f5872b6f2d2a32"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/echo_server-e52d94dd14568d95
[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" "b222a88ee1406f186ddbc6ee6f9b953d0232b50c7e19c70447f5872b6f2d2a32"`
[INFO] running `"docker" "rm" "-f" "b222a88ee1406f186ddbc6ee6f9b953d0232b50c7e19c70447f5872b6f2d2a32"`
[INFO] [stdout] b222a88ee1406f186ddbc6ee6f9b953d0232b50c7e19c70447f5872b6f2d2a32