[INFO] crate vertx-tcp-eventbus-bridge-client-rust 0.2.0 is already in cache
[INFO] checking vertx-tcp-eventbus-bridge-client-rust-0.2.0 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate vertx-tcp-eventbus-bridge-client-rust 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate vertx-tcp-eventbus-bridge-client-rust 0.2.0 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate vertx-tcp-eventbus-bridge-client-rust 0.2.0
[INFO] finished tweaking crates.io crate vertx-tcp-eventbus-bridge-client-rust 0.2.0
[INFO] tweaked toml for crates.io crate vertx-tcp-eventbus-bridge-client-rust 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1a1e20aa223cf0b35c713264b546c535ca563a75336964d4d697144689751db8
[INFO] running `"docker" "start" "-a" "1a1e20aa223cf0b35c713264b546c535ca563a75336964d4d697144689751db8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-uds v0.2.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking vertx-tcp-eventbus-bridge-client-rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/lib.rs:55:72
[INFO] [stderr]    |
[INFO] [stderr] 55 |             tokio::spawn(readstream.into_future().map(|_| ()).map_err(|e| ()));
[INFO] [stderr]    |                                                                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/lib.rs:56:73
[INFO] [stderr]    |
[INFO] [stderr] 56 |             tokio::spawn(writestream.into_future().map(|_| ()).map_err(|e| ()));
[INFO] [stderr]    |                                                                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/lib.rs:68:34
[INFO] [stderr]    |
[INFO] [stderr] 68 |         tokio::run(task.map_err(|e| ()));
[INFO] [stderr]    |                                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.61s
[INFO] running `"docker" "inspect" "1a1e20aa223cf0b35c713264b546c535ca563a75336964d4d697144689751db8"`
[INFO] running `"docker" "rm" "-f" "1a1e20aa223cf0b35c713264b546c535ca563a75336964d4d697144689751db8"`
[INFO] [stdout] 1a1e20aa223cf0b35c713264b546c535ca563a75336964d4d697144689751db8