[INFO] cloning repository https://github.com/glasses-n-contacts/rust-chat [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glasses-n-contacts/rust-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglasses-n-contacts%2Frust-chat"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglasses-n-contacts%2Frust-chat'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0fca64e1c6464c28e216859ca78b24a855bb4621 [INFO] checking glasses-n-contacts/rust-chat against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglasses-n-contacts%2Frust-chat" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/glasses-n-contacts/rust-chat on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/glasses-n-contacts/rust-chat [INFO] finished tweaking git repo https://github.com/glasses-n-contacts/rust-chat [INFO] tweaked toml for git repo https://github.com/glasses-n-contacts/rust-chat written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/glasses-n-contacts/rust-chat already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] cb257e4f8ad30f44e918239bfa11e086fefc4fb35c386085acb9306fafb376db [INFO] running `"docker" "start" "-a" "cb257e4f8ad30f44e918239bfa11e086fefc4fb35c386085acb9306fafb376db"` [INFO] [stderr] Checking libc v0.2.41 [INFO] [stderr] Checking cfg-if v0.1.3 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling http-muncher v0.2.5 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking sha1 v0.1.1 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking miow v0.1.5 [INFO] [stderr] Checking mio v0.5.1 [INFO] [stderr] Checking chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:87:19 [INFO] [stderr] | [INFO] [stderr] 87 | let buf = try!(input.read_u16::()); [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_client/frame.rs:90:19 [INFO] [stderr] | [INFO] [stderr] 90 | let len = try!(Self::read_length(header.payload_length, input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:92:24 [INFO] [stderr] | [INFO] [stderr] 92 | let mask = try!(Self::read_mask(input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:97:27 [INFO] [stderr] | [INFO] [stderr] 97 | let mut payload = try!(Self::read_payload(len, input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:142:9 [INFO] [stderr] | [INFO] [stderr] 142 | try!(input.read(&mut buf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:149:9 [INFO] [stderr] | [INFO] [stderr] 149 | try!(input.read(&mut payload)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:176:9 [INFO] [stderr] | [INFO] [stderr] 176 | try!(output.write_u16::(hdr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:180:32 [INFO] [stderr] | [INFO] [stderr] 180 | PAYLOAD_LEN_U16 => try!(output.write_u16::(self.payload.len() as u16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:181:32 [INFO] [stderr] | [INFO] [stderr] 181 | PAYLOAD_LEN_U64 => try!(output.write_u64::(self.payload.len() as u64)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | try!(output.write(&self.payload)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:87:19 [INFO] [stderr] | [INFO] [stderr] 87 | let buf = try!(input.read_u16::()); [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_client/frame.rs:90:19 [INFO] [stderr] | [INFO] [stderr] 90 | let len = try!(Self::read_length(header.payload_length, input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:92:24 [INFO] [stderr] | [INFO] [stderr] 92 | let mask = try!(Self::read_mask(input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:97:27 [INFO] [stderr] | [INFO] [stderr] 97 | let mut payload = try!(Self::read_payload(len, input)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:142:9 [INFO] [stderr] | [INFO] [stderr] 142 | try!(input.read(&mut buf)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:149:9 [INFO] [stderr] | [INFO] [stderr] 149 | try!(input.read(&mut payload)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:176:9 [INFO] [stderr] | [INFO] [stderr] 176 | try!(output.write_u16::(hdr)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:180:32 [INFO] [stderr] | [INFO] [stderr] 180 | PAYLOAD_LEN_U16 => try!(output.write_u16::(self.payload.len() as u16)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:181:32 [INFO] [stderr] | [INFO] [stderr] 181 | PAYLOAD_LEN_U64 => try!(output.write_u64::(self.payload.len() as u64)), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/socket_client/frame.rs:185:9 [INFO] [stderr] | [INFO] [stderr] 185 | try!(output.write(&self.payload)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/socket_server.rs:43:25 [INFO] [stderr] | [INFO] [stderr] 43 | let mut client = self.clients.get_mut(&token).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 `std::result::Result` that must be used [INFO] [stderr] --> src/socket_client/frame.rs:202:13 [INFO] [stderr] | [INFO] [stderr] 202 | body.write(status_code); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/socket_server.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | client.socket.shutdown(Shutdown::Both); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/socket_server.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | event_loop.deregister(&client.socket); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/socket_server.rs:43:25 [INFO] [stderr] | [INFO] [stderr] 43 | let mut client = self.clients.get_mut(&token).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 `std::result::Result` that must be used [INFO] [stderr] --> src/socket_client/frame.rs:202:13 [INFO] [stderr] | [INFO] [stderr] 202 | body.write(status_code); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/socket_server.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | client.socket.shutdown(Shutdown::Both); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/socket_server.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | event_loop.deregister(&client.socket); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.33s [INFO] running `"docker" "inspect" "cb257e4f8ad30f44e918239bfa11e086fefc4fb35c386085acb9306fafb376db"` [INFO] running `"docker" "rm" "-f" "cb257e4f8ad30f44e918239bfa11e086fefc4fb35c386085acb9306fafb376db"` [INFO] [stdout] cb257e4f8ad30f44e918239bfa11e086fefc4fb35c386085acb9306fafb376db