[INFO] fetching crate zmq-rs 0.1.8... [INFO] checking zmq-rs-0.1.8 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate zmq-rs 0.1.8 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate zmq-rs 0.1.8 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate zmq-rs 0.1.8 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate zmq-rs 0.1.8 [INFO] tweaked toml for crates.io crate zmq-rs 0.1.8 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] fbe32d78823aefc781ad946bdd964994a264c533fdc07228108e2b266246decd [INFO] running `"docker" "start" "-a" "fbe32d78823aefc781ad946bdd964994a264c533fdc07228108e2b266246decd"` [INFO] [stderr] Compiling zmq-ffi v0.1.3 [INFO] [stderr] Checking zmq-rs v0.1.8 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket.rs:389:23 [INFO] [stderr] | [INFO] [stderr] 389 | let mut msg = try!(Message::new()); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket.rs:400:19 [INFO] [stderr] | [INFO] [stderr] 400 | let msg = try!(Message::from_slice(data)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:331:27 [INFO] [stderr] | [INFO] [stderr] 331 | let mut msg = try!(Message::with_capcity(data.len())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket.rs:389:23 [INFO] [stderr] | [INFO] [stderr] 389 | let mut msg = try!(Message::new()); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket.rs:400:19 [INFO] [stderr] | [INFO] [stderr] 400 | let msg = try!(Message::from_slice(data)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/lib.rs:331:27 [INFO] [stderr] | [INFO] [stderr] 331 | let mut msg = try!(Message::with_capcity(data.len())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/zguide/hwserver.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let mut context = zmq::Context::new().unwrap(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::option::Option::::is_some` that must be used [INFO] [stderr] --> tests/lib.rs:72:5 [INFO] [stderr] | [INFO] [stderr] 72 | empty.get_meta("Socket-Type").is_some(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this has a value, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::option::Option::::is_some` that must be used [INFO] [stderr] --> tests/lib.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | empty.get_meta("Identity").is_some(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this has a value, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::option::Option::::is_some` that must be used [INFO] [stderr] --> tests/lib.rs:74:5 [INFO] [stderr] | [INFO] [stderr] 74 | empty.get_meta("Resource").is_some(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you intended to assert that this has a value, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.73s [INFO] running `"docker" "inspect" "fbe32d78823aefc781ad946bdd964994a264c533fdc07228108e2b266246decd"` [INFO] running `"docker" "rm" "-f" "fbe32d78823aefc781ad946bdd964994a264c533fdc07228108e2b266246decd"` [INFO] [stdout] fbe32d78823aefc781ad946bdd964994a264c533fdc07228108e2b266246decd