[INFO] crate rust_inbox 0.0.5 is already in cache
[INFO] checking rust_inbox-0.0.5 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] extracting crate rust_inbox 0.0.5 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate rust_inbox 0.0.5 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust_inbox 0.0.5
[INFO] finished tweaking crates.io crate rust_inbox 0.0.5
[INFO] tweaked toml for crates.io crate rust_inbox 0.0.5 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 80074586cf12667357c5fc7b1dbe486f52939ad6b580a7e8f90317aa459ad64f
[INFO] running `"docker" "start" "-a" "80074586cf12667357c5fc7b1dbe486f52939ad6b580a7e8f90317aa459ad64f"`
[INFO] [stderr]     Checking base64 v0.2.1
[INFO] [stderr]     Checking rust_inbox v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         try!(h.init());
[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/client.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(self.client.run_command("IDLE"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let raw_data = try!(self.client.readline());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try!(parse_response(vec![line]));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(self.client.write_line(b"DONE"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let lines = try!(self.client.read_response());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         try!(self.client.stream.set_read_timeout(Some(self.keepalive)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 try!(self.terminate());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:130:17
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 try!(self.init());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:134:17
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 try!(self.client.stream.set_read_timeout(None));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(self.client.stream.set_read_timeout(Some(timeout)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(self.client.stream.set_read_timeout(None));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 try!(socket.read_greeting());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:215:17
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 try!(socket.read_greeting());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         try!(self.run_command(&format!("AUTHENTICATE {}", auth_type)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:247:24
[INFO] [stderr]     |
[INFO] [stderr] 247 |             let line = try!(self.readline());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:250:28
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 let data = try!(parse_authenticate_response(
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 try!(self.write_line(auth_response.into_bytes().as_slice()))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:257:17
[INFO] [stderr]     |
[INFO] [stderr] 257 |                 try!(parse_response(vec![String::from_utf8(line).unwrap()]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:261:33
[INFO] [stderr]     |
[INFO] [stderr] 261 |                 let mut lines = try!(self.read_response());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:263:17
[INFO] [stderr]     |
[INFO] [stderr] 263 |                 try!(parse_response(lines.clone()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:281:21
[INFO] [stderr]     |
[INFO] [stderr] 281 |         let lines = try!(self.run_command_and_read_response(
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:289:21
[INFO] [stderr]     |
[INFO] [stderr] 289 |         let lines = try!(self.run_command_and_read_response(
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:347:21
[INFO] [stderr]     |
[INFO] [stderr] 347 |         let lines = try!(self.run_command_and_read_response(&format!("CAPABILITY")));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:427:9
[INFO] [stderr]     |
[INFO] [stderr] 427 |         try!(self.run_command(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:430:20
[INFO] [stderr]     |
[INFO] [stderr] 430 |         let line = try!(self.readline());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:434:9
[INFO] [stderr]     |
[INFO] [stderr] 434 |         try!(self.stream.write_all(content));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:435:9
[INFO] [stderr]     |
[INFO] [stderr] 435 |         try!(self.stream.write_all(b"\r\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:441:21
[INFO] [stderr]     |
[INFO] [stderr] 441 |         let lines = try!(self.run_command_and_read_response(command));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:447:21
[INFO] [stderr]     |
[INFO] [stderr] 447 |         let lines = try!(self.run_command_and_read_response(command));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:459:9
[INFO] [stderr]     |
[INFO] [stderr] 459 |         try!(self.run_command(untagged_command));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:469:28
[INFO] [stderr]     |
[INFO] [stderr] 469 |             let raw_data = try!(self.readline());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:481:9
[INFO] [stderr]     |
[INFO] [stderr] 481 |         try!(self.readline());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:491:21
[INFO] [stderr]     |
[INFO] [stderr] 491 |             let n = try!(self.stream.read(byte_buffer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:514:9
[INFO] [stderr]     |
[INFO] [stderr] 514 |         try!(self.stream.write_all(buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:515:9
[INFO] [stderr]     |
[INFO] [stderr] 515 |         try!(self.stream.write_all(&[CR, LF]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:62:32
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/error.rs:98:32
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         try!(h.init());
[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/client.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         try!(self.client.run_command("IDLE"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let raw_data = try!(self.client.readline());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             try!(parse_response(vec![line]));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(self.client.write_line(b"DONE"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/client.rs:85:21
[INFO] [stderr]    |
[INFO] [stderr] 85 |         let lines = try!(self.client.read_response());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 |         try!(self.client.stream.set_read_timeout(Some(self.keepalive)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 try!(self.terminate());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:130:17
[INFO] [stderr]     |
[INFO] [stderr] 130 |                 try!(self.init());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:134:17
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 try!(self.client.stream.set_read_timeout(None));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(self.client.stream.set_read_timeout(Some(timeout)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(self.client.stream.set_read_timeout(None));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 try!(socket.read_greeting());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:215:17
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 try!(socket.read_greeting());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:239:9
[INFO] [stderr]     |
[INFO] [stderr] 239 |         try!(self.run_command(&format!("AUTHENTICATE {}", auth_type)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:247:24
[INFO] [stderr]     |
[INFO] [stderr] 247 |             let line = try!(self.readline());
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:250:28
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 let data = try!(parse_authenticate_response(
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:255:17
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 try!(self.write_line(auth_response.into_bytes().as_slice()))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:257:17
[INFO] [stderr]     |
[INFO] [stderr] 257 |                 try!(parse_response(vec![String::from_utf8(line).unwrap()]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:261:33
[INFO] [stderr]     |
[INFO] [stderr] 261 |                 let mut lines = try!(self.read_response());
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:263:17
[INFO] [stderr]     |
[INFO] [stderr] 263 |                 try!(parse_response(lines.clone()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:281:21
[INFO] [stderr]     |
[INFO] [stderr] 281 |         let lines = try!(self.run_command_and_read_response(
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:289:21
[INFO] [stderr]     |
[INFO] [stderr] 289 |         let lines = try!(self.run_command_and_read_response(
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:347:21
[INFO] [stderr]     |
[INFO] [stderr] 347 |         let lines = try!(self.run_command_and_read_response(&format!("CAPABILITY")));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:427:9
[INFO] [stderr]     |
[INFO] [stderr] 427 |         try!(self.run_command(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:430:20
[INFO] [stderr]     |
[INFO] [stderr] 430 |         let line = try!(self.readline());
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:434:9
[INFO] [stderr]     |
[INFO] [stderr] 434 |         try!(self.stream.write_all(content));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:435:9
[INFO] [stderr]     |
[INFO] [stderr] 435 |         try!(self.stream.write_all(b"\r\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:441:21
[INFO] [stderr]     |
[INFO] [stderr] 441 |         let lines = try!(self.run_command_and_read_response(command));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:447:21
[INFO] [stderr]     |
[INFO] [stderr] 447 |         let lines = try!(self.run_command_and_read_response(command));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:459:9
[INFO] [stderr]     |
[INFO] [stderr] 459 |         try!(self.run_command(untagged_command));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:469:28
[INFO] [stderr]     |
[INFO] [stderr] 469 |             let raw_data = try!(self.readline());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:481:9
[INFO] [stderr]     |
[INFO] [stderr] 481 |         try!(self.readline());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:491:21
[INFO] [stderr]     |
[INFO] [stderr] 491 |             let n = try!(self.stream.read(byte_buffer));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:514:9
[INFO] [stderr]     |
[INFO] [stderr] 514 |         try!(self.stream.write_all(buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/client.rs:515:9
[INFO] [stderr]     |
[INFO] [stderr] 515 |         try!(self.stream.write_all(&[CR, LF]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:62:32
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/error.rs:98:32
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `imap`
[INFO] [stderr]  --> examples/gmail_oauth2.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate imap;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `rust_inbox`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `imap`
[INFO] [stderr]  --> examples/basic.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate imap;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `rust_inbox`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/client.rs:832:29
[INFO] [stderr]     |
[INFO] [stderr] 832 |         generic_store(" ", |mut c, set, query| c.store(set, query));
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/client.rs:837:33
[INFO] [stderr]     |
[INFO] [stderr] 837 |         generic_store(" UID ", |mut c, set, query| c.uid_store(set, query));
[INFO] [stderr]     |                                 ----^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/client.rs:855:28
[INFO] [stderr]     |
[INFO] [stderr] 855 |         generic_copy(" ", |mut c, set, query| c.copy(set, query))
[INFO] [stderr]     |                            ----^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/client.rs:860:32
[INFO] [stderr]     |
[INFO] [stderr] 860 |         generic_copy(" UID ", |mut c, set, query| c.uid_copy(set, query))
[INFO] [stderr]     |                                ----^
[INFO] [stderr]     |                                |
[INFO] [stderr]     |                                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/client.rs:880:29
[INFO] [stderr]     |
[INFO] [stderr] 880 |         generic_fetch(" ", |mut c, seq, query| c.fetch(seq, query))
[INFO] [stderr]     |                             ----^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/client.rs:885:33
[INFO] [stderr]     |
[INFO] [stderr] 885 |         generic_fetch(" UID ", |mut c, seq, query| c.uid_fetch(seq, query))
[INFO] [stderr]     |                                 ----^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "80074586cf12667357c5fc7b1dbe486f52939ad6b580a7e8f90317aa459ad64f"`
[INFO] running `"docker" "rm" "-f" "80074586cf12667357c5fc7b1dbe486f52939ad6b580a7e8f90317aa459ad64f"`
[INFO] [stdout] 80074586cf12667357c5fc7b1dbe486f52939ad6b580a7e8f90317aa459ad64f