[INFO] fetching crate cassandra-cpp-sys 0.12.0... [INFO] checking cassandra-cpp-sys-0.12.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate cassandra-cpp-sys 0.12.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate cassandra-cpp-sys 0.12.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate cassandra-cpp-sys 0.12.0 [INFO] finished tweaking crates.io crate cassandra-cpp-sys 0.12.0 [INFO] tweaked toml for crates.io crate cassandra-cpp-sys 0.12.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 6e2270b2da07c19a6620c027d52b1d02fbc7a9f506ec325d4e02addc7ad31153 [INFO] running `"docker" "start" "-a" "6e2270b2da07c19a6620c027d52b1d02fbc7a9f506ec325d4e02addc7ad31153"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cassandra-cpp-sys v0.12.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/ffi_util.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | Ok(try!(str::from_utf8(slice)).to_owned()) [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/ffi_util.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | Ok(try!(str::from_utf8(slice)).to_owned()) [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] --> examples/ssl.rs:15:24 [INFO] [stderr] | [INFO] [stderr] 15 | let mut file = try!(File::open(file)); [INFO] [stderr] | ^^^ [INFO] [stderr] warning: unused variable: `rc` [INFO] [stderr] --> examples/named_parameters.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | let rc = cass_future_error_code(future); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rc` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> examples/named_parameters.rs:92:13 [INFO] [stderr] | [INFO] [stderr] 92 | let result = match cass_future_error_code(future) { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> examples/named_parameters.rs:170:13 [INFO] [stderr] | [INFO] [stderr] 170 | let result = match connect_session(session, cluster) { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_result` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rc` [INFO] [stderr] --> examples/named_parameters.rs:172:13 [INFO] [stderr] | [INFO] [stderr] 172 | rc => { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rc` [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] --> examples/ssl.rs:16:25 [INFO] [stderr] | [INFO] [stderr] 16 | let cert_size = try!(file.metadata()).len() as usize; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> examples/ssl.rs:18:24 [INFO] [stderr] | [INFO] [stderr] 18 | let byte_len = try!(file.read_to_end(&mut cert)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rc` [INFO] [stderr] --> examples/tuple.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | let rc = cass_future_error_code(future); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rc` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rc` [INFO] [stderr] --> examples/tuple.rs:39:13 [INFO] [stderr] | [INFO] [stderr] 39 | rc => print_error(future), [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rc` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/tuple.rs:123:13 [INFO] [stderr] | [INFO] [stderr] 123 | let mut session = &mut *cass_session_new(); [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 variable: `result` [INFO] [stderr] --> examples/maps.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | let result = match cass_future_error_code(future) { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_result` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result` [INFO] [stderr] --> examples/simple.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 23 | let result = match cass_future_error_code(connect_future) { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_result` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rc` [INFO] [stderr] --> examples/simple.rs:52:21 [INFO] [stderr] | [INFO] [stderr] 52 | rc => { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rc` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rc` [INFO] [stderr] --> examples/simple.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | rc => { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rc` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rc` [INFO] [stderr] --> examples/ssl.rs:92:21 [INFO] [stderr] | [INFO] [stderr] 92 | rc => { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rc` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `select_from_maps` [INFO] [stderr] --> examples/maps.rs:51:1 [INFO] [stderr] | [INFO] [stderr] 51 | fn select_from_maps(session: &mut CassSession, key: &str) -> Result<(), CassError> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/async.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | let mut cluster = create_cluster(); [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] Finished dev [unoptimized + debuginfo] target(s) in 4.50s [INFO] running `"docker" "inspect" "6e2270b2da07c19a6620c027d52b1d02fbc7a9f506ec325d4e02addc7ad31153"` [INFO] running `"docker" "rm" "-f" "6e2270b2da07c19a6620c027d52b1d02fbc7a9f506ec325d4e02addc7ad31153"` [INFO] [stdout] 6e2270b2da07c19a6620c027d52b1d02fbc7a9f506ec325d4e02addc7ad31153