[INFO] updating cached repository BonsaiDen/lobby-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BonsaiDen/lobby-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BonsaiDen/lobby-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/BonsaiDen/lobby-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BonsaiDen/lobby-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BonsaiDen/lobby-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BonsaiDen/lobby-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BonsaiDen/lobby-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 392d531299146486fd8f9df0de7650ef11516a1a
[INFO] sha for GitHub repo BonsaiDen/lobby-server: 392d531299146486fd8f9df0de7650ef11516a1a
[INFO] validating manifest of BonsaiDen/lobby-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 BonsaiDen/lobby-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 BonsaiDen/lobby-server
[INFO] finished frobbing BonsaiDen/lobby-server
[INFO] frobbed toml for BonsaiDen/lobby-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/BonsaiDen/lobby-server/Cargo.toml
[INFO] started frobbing BonsaiDen/lobby-server
[INFO] finished frobbing BonsaiDen/lobby-server
[INFO] frobbed toml for BonsaiDen/lobby-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BonsaiDen/lobby-server/Cargo.toml
[INFO] crate BonsaiDen/lobby-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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing BonsaiDen/lobby-server against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BonsaiDen/lobby-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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c673a58b52761f734675b750e4fe826226cf6a66f333348f2fe3df0befd0b32f
[INFO] running `"docker" "start" "-a" "c673a58b52761f734675b750e4fe826226cf6a66f333348f2fe3df0befd0b32f"`
[INFO] [stderr]    Compiling serde v1.0.37
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]    Compiling bincode v1.0.0
[INFO] [stderr]    Compiling lbs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.72s
[INFO] running `"docker" "inspect" "c673a58b52761f734675b750e4fe826226cf6a66f333348f2fe3df0befd0b32f"`
[INFO] running `"docker" "rm" "-f" "c673a58b52761f734675b750e4fe826226cf6a66f333348f2fe3df0befd0b32f"`
[INFO] [stdout] c673a58b52761f734675b750e4fe826226cf6a66f333348f2fe3df0befd0b32f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BonsaiDen/lobby-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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5d8e4bfc88c874c559db2e9bb462870bb813bba59dce49aab054f34de2442f40
[INFO] running `"docker" "start" "-a" "5d8e4bfc88c874c559db2e9bb462870bb813bba59dce49aab054f34de2442f40"`
[INFO] [stderr]    Compiling lbs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> examples/client/main.rs:59:41
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 Event::LobbyJoinRequest(id, conn, payload) => {
[INFO] [stderr]    |                                         ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> examples/client/main.rs:63:47
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 Event::LobbyPreferenceRequest(id, conn, key, value) => {
[INFO] [stderr]    |                                               ^^ help: consider prefixing with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `socket`
[INFO] [stderr]   --> examples/client/main.rs:74:41
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 Event::LobbyStarted(id, socket, connections, pref) => {
[INFO] [stderr]    |                                         ^^^^^^ help: consider prefixing with an underscore: `_socket`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.47s
[INFO] running `"docker" "inspect" "5d8e4bfc88c874c559db2e9bb462870bb813bba59dce49aab054f34de2442f40"`
[INFO] running `"docker" "rm" "-f" "5d8e4bfc88c874c559db2e9bb462870bb813bba59dce49aab054f34de2442f40"`
[INFO] [stdout] 5d8e4bfc88c874c559db2e9bb462870bb813bba59dce49aab054f34de2442f40
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BonsaiDen/lobby-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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 78d9fa975e10e99c6e6d890da7759e91eb1dffbe131f5f67dcfb569e0d4702bc
[INFO] running `"docker" "start" "-a" "78d9fa975e10e99c6e6d890da7759e91eb1dffbe131f5f67dcfb569e0d4702bc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lbs-4d698a217e09be54
[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]    Doc-tests lbs
[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" "78d9fa975e10e99c6e6d890da7759e91eb1dffbe131f5f67dcfb569e0d4702bc"`
[INFO] running `"docker" "rm" "-f" "78d9fa975e10e99c6e6d890da7759e91eb1dffbe131f5f67dcfb569e0d4702bc"`
[INFO] [stdout] 78d9fa975e10e99c6e6d890da7759e91eb1dffbe131f5f67dcfb569e0d4702bc