[INFO] crate cobalt 0.22.0 is already in cache [INFO] checking cobalt-0.22.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] extracting crate cobalt 0.22.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate cobalt 0.22.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate cobalt 0.22.0 [INFO] finished tweaking crates.io crate cobalt 0.22.0 [INFO] tweaked toml for crates.io crate cobalt 0.22.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 6aeb875a56dbad8872339ac3d93e7a07754883e3102ccf91ca65977db7450241 [INFO] running `"docker" "start" "-a" "6aeb875a56dbad8872339ac3d93e7a07754883e3102ccf91ca65977db7450241"` [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking cobalt v0.22.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/shared/udp_socket.rs:36:22 [INFO] [stderr] | [INFO] [stderr] 36 | let socket = try!(net::UdpSocket::bind(address)); [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/shared/udp_socket.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | try!(socket.set_nonblocking(true)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:198:26 [INFO] [stderr] | [INFO] [stderr] 198 | let socket = try!(S::new( [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:203:29 [INFO] [stderr] | [INFO] [stderr] 203 | let peer_addr = try!(addr.to_socket_addrs()).nth(0).unwrap(); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:204:30 [INFO] [stderr] | [INFO] [stderr] 204 | let local_addr = try!(socket.local_addr()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:203:30 [INFO] [stderr] | [INFO] [stderr] 203 | let local_addr = try!(addr.to_socket_addrs()).nth(0).unwrap(); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:204:26 [INFO] [stderr] | [INFO] [stderr] 204 | let socket = try!(S::new( [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/shared/binary_rate_limiter.rs:165:45 [INFO] [stderr] | [INFO] [stderr] 165 | self.last_bad_time = Instant::now();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/shared/connection.rs:129:59 [INFO] [stderr] | [INFO] [stderr] 129 | pub type ConnectionMap = HashMap>; [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn RateLimiter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/shared/connection.rs:129:72 [INFO] [stderr] | [INFO] [stderr] 129 | pub type ConnectionMap = HashMap>; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PacketModifier` [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/shared/connection.rs:425:25 [INFO] [stderr] | [INFO] [stderr] 425 | (cmp::max(self.last_receive_time - ack.time, tick_delay) - tick_delay) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/traits/packet_modifier.rs:43:21 [INFO] [stderr] | [INFO] [stderr] 43 | impl fmt::Debug for PacketModifier { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PacketModifier` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/traits/rate_limiter.rs:41:21 [INFO] [stderr] | [INFO] [stderr] 41 | impl fmt::Debug for RateLimiter { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn RateLimiter` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/shared/udp_socket.rs:36:22 [INFO] [stderr] | [INFO] [stderr] 36 | let socket = try!(net::UdpSocket::bind(address)); [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/shared/udp_socket.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | try!(socket.set_nonblocking(true)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:198:26 [INFO] [stderr] | [INFO] [stderr] 198 | let socket = try!(S::new( [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:203:29 [INFO] [stderr] | [INFO] [stderr] 203 | let peer_addr = try!(addr.to_socket_addrs()).nth(0).unwrap(); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/client.rs:204:30 [INFO] [stderr] | [INFO] [stderr] 204 | let local_addr = try!(socket.local_addr()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:203:30 [INFO] [stderr] | [INFO] [stderr] 203 | let local_addr = try!(addr.to_socket_addrs()).nth(0).unwrap(); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/server.rs:204:26 [INFO] [stderr] | [INFO] [stderr] 204 | let socket = try!(S::new( [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/shared/binary_rate_limiter.rs:165:45 [INFO] [stderr] | [INFO] [stderr] 165 | self.last_bad_time = Instant::now();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/shared/connection.rs:129:59 [INFO] [stderr] | [INFO] [stderr] 129 | pub type ConnectionMap = HashMap>; [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn RateLimiter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/shared/connection.rs:129:72 [INFO] [stderr] | [INFO] [stderr] 129 | pub type ConnectionMap = HashMap>; [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PacketModifier` [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/shared/connection.rs:425:25 [INFO] [stderr] | [INFO] [stderr] 425 | (cmp::max(self.last_receive_time - ack.time, tick_delay) - tick_delay) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/traits/packet_modifier.rs:43:21 [INFO] [stderr] | [INFO] [stderr] 43 | impl fmt::Debug for PacketModifier { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PacketModifier` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/traits/rate_limiter.rs:41:21 [INFO] [stderr] | [INFO] [stderr] 41 | impl fmt::Debug for RateLimiter { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn RateLimiter` [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> examples/server.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | server.send(true).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> examples/client.rs:71:9 [INFO] [stderr] | [INFO] [stderr] 71 | client.send(true).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.70s [INFO] running `"docker" "inspect" "6aeb875a56dbad8872339ac3d93e7a07754883e3102ccf91ca65977db7450241"` [INFO] running `"docker" "rm" "-f" "6aeb875a56dbad8872339ac3d93e7a07754883e3102ccf91ca65977db7450241"` [INFO] [stdout] 6aeb875a56dbad8872339ac3d93e7a07754883e3102ccf91ca65977db7450241