[INFO] crate vertx-tcp-eventbus-bridge-client-rust 0.2.0 is already in cache
[INFO] extracting crate vertx-tcp-eventbus-bridge-client-rust 0.2.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/vertx-tcp-eventbus-bridge-client-rust/0.2.0
[INFO] extracting crate vertx-tcp-eventbus-bridge-client-rust 0.2.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/vertx-tcp-eventbus-bridge-client-rust/0.2.0
[INFO] validating manifest of vertx-tcp-eventbus-bridge-client-rust-0.2.0 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vertx-tcp-eventbus-bridge-client-rust-0.2.0 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vertx-tcp-eventbus-bridge-client-rust-0.2.0
[INFO] finished frobbing vertx-tcp-eventbus-bridge-client-rust-0.2.0
[INFO] frobbed toml for vertx-tcp-eventbus-bridge-client-rust-0.2.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/vertx-tcp-eventbus-bridge-client-rust/0.2.0/Cargo.toml
[INFO] started frobbing vertx-tcp-eventbus-bridge-client-rust-0.2.0
[INFO] finished frobbing vertx-tcp-eventbus-bridge-client-rust-0.2.0
[INFO] frobbed toml for vertx-tcp-eventbus-bridge-client-rust-0.2.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/vertx-tcp-eventbus-bridge-client-rust/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking vertx-tcp-eventbus-bridge-client-rust-0.2.0 against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/vertx-tcp-eventbus-bridge-client-rust/0.2.0:/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=forbid" "-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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 10978411f6b74dbce85e7402611e6bbbabe70daf38ff5072bbd798c7e02386d7
[INFO] running `"docker" "start" "-a" "10978411f6b74dbce85e7402611e6bbbabe70daf38ff5072bbd798c7e02386d7"`
[INFO] [stderr]     Checking vertx-tcp-eventbus-bridge-client-rust v0.2.0 (/opt/crater/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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `"docker" "inspect" "10978411f6b74dbce85e7402611e6bbbabe70daf38ff5072bbd798c7e02386d7"`
[INFO] running `"docker" "rm" "-f" "10978411f6b74dbce85e7402611e6bbbabe70daf38ff5072bbd798c7e02386d7"`
[INFO] [stdout] 10978411f6b74dbce85e7402611e6bbbabe70daf38ff5072bbd798c7e02386d7