[INFO] fetching crate bitconch-jsonrpc-tcp-server 0.1.0...
[INFO] checking bitconch-jsonrpc-tcp-server-0.1.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate bitconch-jsonrpc-tcp-server 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate bitconch-jsonrpc-tcp-server 0.1.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate bitconch-jsonrpc-tcp-server 0.1.0
[INFO] finished tweaking crates.io crate bitconch-jsonrpc-tcp-server 0.1.0
[INFO] tweaked toml for crates.io crate bitconch-jsonrpc-tcp-server 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 843cb6e74ca69212c4a5dedf113e0a0f589e6c3d181f91e5af37927afea980be
[INFO] running `"docker" "start" "-a" "843cb6e74ca69212c4a5dedf113e0a0f589e6c3d181f91e5af37927afea980be"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking bitconch-jsonrpc-core v0.1.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking bitconch-jsonrpc-server-utils v0.1.0
[INFO] [stderr]     Checking bitconch-jsonrpc-tcp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dispatch.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 try!(channel.send(msg).wait().map_err(|e| PushMessageError::from(e)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:23:22
[INFO] [stderr]    |
[INFO] [stderr] 23 |     meta_extractor: Arc<MetaExtractor<M>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/dispatch.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 try!(channel.send(msg).wait().map_err(|e| PushMessageError::from(e)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:23:22
[INFO] [stderr]    |
[INFO] [stderr] 23 |     meta_extractor: Arc<MetaExtractor<M>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MetaExtractor<M>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/tests.rs:97:79
[INFO] [stderr]    |
[INFO] [stderr] 97 |         .map_err(|err| panic!("Error connecting or closing connection: {:?}", err));;
[INFO] [stderr]    |                                                                                     ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolon)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `"docker" "inspect" "843cb6e74ca69212c4a5dedf113e0a0f589e6c3d181f91e5af37927afea980be"`
[INFO] running `"docker" "rm" "-f" "843cb6e74ca69212c4a5dedf113e0a0f589e6c3d181f91e5af37927afea980be"`
[INFO] [stdout] 843cb6e74ca69212c4a5dedf113e0a0f589e6c3d181f91e5af37927afea980be