[INFO] fetching crate fastcgi 1.0.0...
[INFO] testing fastcgi-1.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate fastcgi 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fastcgi 1.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastcgi 1.0.0
[INFO] finished tweaking crates.io crate fastcgi 1.0.0
[INFO] tweaked toml for crates.io crate fastcgi 1.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a25af191836fd8f70119e0f86537a1fdb66675a488a10a3f31ea46b46184204
[INFO] running `Command { std: "docker" "start" "-a" "8a25af191836fd8f70119e0f86537a1fdb66675a488a10a3f31ea46b46184204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a25af191836fd8f70119e0f86537a1fdb66675a488a10a3f31ea46b46184204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a25af191836fd8f70119e0f86537a1fdb66675a488a10a3f31ea46b46184204", kill_on_drop: false }`
[INFO] [stdout] 8a25af191836fd8f70119e0f86537a1fdb66675a488a10a3f31ea46b46184204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13fa3f1be918ae1b185792ffbf8b3151c1ce942db13cef5ac3a051170bd13703
[INFO] running `Command { std: "docker" "start" "-a" "13fa3f1be918ae1b185792ffbf8b3151c1ce942db13cef5ac3a051170bd13703", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastcgi v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     try!((&mut r).take(1).read_to_end(&mut buf));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:95:21
[INFO] [stdout]    |
[INFO] [stdout] 95 |             assert!(try!((&mut r).take(3).read_to_end(&mut buf)) == 3);
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:111:19
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let key_len = try!(read_len(r));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let value_len = try!(read_len(r));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |     assert!(try!((&mut r).take(key_len as u64).read_to_string(&mut key)) == key_len as usize);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |     assert!(try!((&mut r).take(value_len as u64).read_to_string(&mut value)) == value_len as usize);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:125:27
[INFO] [stdout]     |
[INFO] [stdout] 125 |             params.extend(try!(read_pairs(r)).into_iter());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         try!(w.write_all(&[n as u8]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         try!(w.write_all(&buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         try!(write_len(w, key.len() as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(write_len(w, value.len() as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         try!(write!(w, "{}{}", key, value));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     try!(w.write_all(&[
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     try!(w.write_all(content));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     assert!(try!(r.take(HEADER_LEN as u64).read_to_end(&mut header)) == HEADER_LEN);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |     assert!(try!(r.take(content_length as u64).read_to_end(&mut content)) == content_length as usize);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |     assert!(try!(r.take(padding_length as u64).read_to_end(&mut Vec::with_capacity(padding_length as usize))) == padding_length as usize);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 try!(write_record(w, 3, request_id, &content));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:206:17
[INFO] [stdout]     |
[INFO] [stdout] 206 |                 try!(write_record(w, 6, request_id, &content));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 try!(write_record(w, 7, request_id, &content));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 try!(write_pairs(&mut content, items));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 try!(write_record(w, 10, 0, &content.into_inner()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:218:17
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 try!(write_record(w, 11, 0, &content));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:226:50
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let (record_type, request_id, content) = try!(read_record(r));
[INFO] [stdout]     |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:250:29
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 let items = try!(read_pairs(&mut Cursor::new(content)));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:287:24
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 match (try!(Record::receive(&mut sock)), self.req.filter_data) {
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:289:25
[INFO] [stdout]     |
[INFO] [stdout] 289 |                         try!(Record::UnknownType(rec_type).send(&mut sock));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:292:25
[INFO] [stdout]     |
[INFO] [stdout] 292 |                         try!(
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:298:25
[INFO] [stdout]     |
[INFO] [stdout] 298 |                         try!(Record::EndRequest {
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:341:13
[INFO] [stdout]     |
[INFO] [stdout] 341 |             try!(chunk.read(buf))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:340:29
[INFO] [stdout]     |
[INFO] [stdout] 340 |             let mut chunk = try!(self.fill_buf());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |                         try!(rec.send(&mut &*self.req.sock));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 380 | writer!(Stdout);
[INFO] [stdout]     | --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `writer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |                         try!(rec.send(&mut &*self.req.sock));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 382 | writer!(Stderr);
[INFO] [stdout]     | --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `writer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:419:19
[INFO] [stdout]     |
[INFO] [stdout] 419 |             match try!(Record::receive(&mut sock)) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:421:21
[INFO] [stdout]     |
[INFO] [stdout] 421 |                     try!(Record::UnknownType(rec_type).send(&mut sock));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:424:21
[INFO] [stdout]     |
[INFO] [stdout] 424 |                     try!(Record::GetValuesResult(get_values(keys)).send(&mut sock));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:430:21
[INFO] [stdout]     |
[INFO] [stdout] 430 |                     try!(Record::EndRequest {
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:446:19
[INFO] [stdout]     |
[INFO] [stdout] 446 |             match try!(Record::receive(&mut &*sock)) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:448:21
[INFO] [stdout]     |
[INFO] [stdout] 448 |                     try!(Record::UnknownType(rec_type).send(&mut &*sock));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:451:21
[INFO] [stdout]     |
[INFO] [stdout] 451 |                     try!(
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:457:21
[INFO] [stdout]     |
[INFO] [stdout] 457 |                     try!(Record::EndRequest {
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:477:39
[INFO] [stdout]     |
[INFO] [stdout] 477 |                         params.extend(try!(read_pairs(&mut Cursor::new(&buf))));
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:403:27
[INFO] [stdout]     |
[INFO] [stdout] 403 | pub type Params<'a> = Box<Iterator<Item = (String, String)> + 'a>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 403 - pub type Params<'a> = Box<Iterator<Item = (String, String)> + 'a>;
[INFO] [stdout] 403 + pub type Params<'a> = Box<dyn Iterator<Item = (String, String)> + 'a>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:132:24
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn write_len<W: Write>(mut w: &mut W, n: u32) -> io::Result<()> {
[INFO] [stdout]     |                        ----^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:578:30
[INFO] [stdout]     |
[INFO] [stdout] 578 |             Err(e) => panic!(e.to_string()),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 578 |             Err(e) => panic!("{}", e.to_string()),
[INFO] [stdout]     |                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 45 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "13fa3f1be918ae1b185792ffbf8b3151c1ce942db13cef5ac3a051170bd13703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fa3f1be918ae1b185792ffbf8b3151c1ce942db13cef5ac3a051170bd13703", kill_on_drop: false }`
[INFO] [stdout] 13fa3f1be918ae1b185792ffbf8b3151c1ce942db13cef5ac3a051170bd13703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7173b8d0ec2827b2f96f95923ea017c1198744080f553c9477aa9ff9606218e7
[INFO] running `Command { std: "docker" "start" "-a" "7173b8d0ec2827b2f96f95923ea017c1198744080f553c9477aa9ff9606218e7", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     try!((&mut r).take(1).read_to_end(&mut buf));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:95:21
[INFO] [stdout]    |
[INFO] [stdout] 95 |             assert!(try!((&mut r).take(3).read_to_end(&mut buf)) == 3);
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:111:19
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let key_len = try!(read_len(r));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let value_len = try!(read_len(r));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |     assert!(try!((&mut r).take(key_len as u64).read_to_string(&mut key)) == key_len as usize);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |     assert!(try!((&mut r).take(value_len as u64).read_to_string(&mut value)) == value_len as usize);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:125:27
[INFO] [stdout]     |
[INFO] [stdout] 125 |             params.extend(try!(read_pairs(r)).into_iter());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         try!(w.write_all(&[n as u8]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fastcgi v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         try!(w.write_all(&buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         try!(write_len(w, key.len() as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(write_len(w, value.len() as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         try!(write!(w, "{}{}", key, value));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     try!(w.write_all(&[
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     try!(w.write_all(content));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     assert!(try!(r.take(HEADER_LEN as u64).read_to_end(&mut header)) == HEADER_LEN);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |     assert!(try!(r.take(content_length as u64).read_to_end(&mut content)) == content_length as usize);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |     assert!(try!(r.take(padding_length as u64).read_to_end(&mut Vec::with_capacity(padding_length as usize))) == padding_length as usize);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 try!(write_record(w, 3, request_id, &content));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:206:17
[INFO] [stdout]     |
[INFO] [stdout] 206 |                 try!(write_record(w, 6, request_id, &content));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 try!(write_record(w, 7, request_id, &content));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 try!(write_pairs(&mut content, items));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 try!(write_record(w, 10, 0, &content.into_inner()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:218:17
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 try!(write_record(w, 11, 0, &content));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:226:50
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let (record_type, request_id, content) = try!(read_record(r));
[INFO] [stdout]     |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:250:29
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 let items = try!(read_pairs(&mut Cursor::new(content)));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:287:24
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 match (try!(Record::receive(&mut sock)), self.req.filter_data) {
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:289:25
[INFO] [stdout]     |
[INFO] [stdout] 289 |                         try!(Record::UnknownType(rec_type).send(&mut sock));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:292:25
[INFO] [stdout]     |
[INFO] [stdout] 292 |                         try!(
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:298:25
[INFO] [stdout]     |
[INFO] [stdout] 298 |                         try!(Record::EndRequest {
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:341:13
[INFO] [stdout]     |
[INFO] [stdout] 341 |             try!(chunk.read(buf))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:340:29
[INFO] [stdout]     |
[INFO] [stdout] 340 |             let mut chunk = try!(self.fill_buf());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |                         try!(rec.send(&mut &*self.req.sock));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 380 | writer!(Stdout);
[INFO] [stdout]     | --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `writer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |                         try!(rec.send(&mut &*self.req.sock));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 382 | writer!(Stderr);
[INFO] [stdout]     | --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `writer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:419:19
[INFO] [stdout]     |
[INFO] [stdout] 419 |             match try!(Record::receive(&mut sock)) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:421:21
[INFO] [stdout]     |
[INFO] [stdout] 421 |                     try!(Record::UnknownType(rec_type).send(&mut sock));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:424:21
[INFO] [stdout]     |
[INFO] [stdout] 424 |                     try!(Record::GetValuesResult(get_values(keys)).send(&mut sock));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:430:21
[INFO] [stdout]     |
[INFO] [stdout] 430 |                     try!(Record::EndRequest {
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:446:19
[INFO] [stdout]     |
[INFO] [stdout] 446 |             match try!(Record::receive(&mut &*sock)) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:448:21
[INFO] [stdout]     |
[INFO] [stdout] 448 |                     try!(Record::UnknownType(rec_type).send(&mut &*sock));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:451:21
[INFO] [stdout]     |
[INFO] [stdout] 451 |                     try!(
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:457:21
[INFO] [stdout]     |
[INFO] [stdout] 457 |                     try!(Record::EndRequest {
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:477:39
[INFO] [stdout]     |
[INFO] [stdout] 477 |                         params.extend(try!(read_pairs(&mut Cursor::new(&buf))));
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:403:27
[INFO] [stdout]     |
[INFO] [stdout] 403 | pub type Params<'a> = Box<Iterator<Item = (String, String)> + 'a>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 403 - pub type Params<'a> = Box<Iterator<Item = (String, String)> + 'a>;
[INFO] [stdout] 403 + pub type Params<'a> = Box<dyn Iterator<Item = (String, String)> + 'a>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:132:24
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn write_len<W: Write>(mut w: &mut W, n: u32) -> io::Result<()> {
[INFO] [stdout]     |                        ----^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:578:30
[INFO] [stdout]     |
[INFO] [stdout] 578 |             Err(e) => panic!(e.to_string()),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 578 |             Err(e) => panic!("{}", e.to_string()),
[INFO] [stdout]     |                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 45 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     try!((&mut r).take(1).read_to_end(&mut buf));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:95:21
[INFO] [stdout]    |
[INFO] [stdout] 95 |             assert!(try!((&mut r).take(3).read_to_end(&mut buf)) == 3);
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:111:19
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let key_len = try!(read_len(r));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:112:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let value_len = try!(read_len(r));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |     assert!(try!((&mut r).take(key_len as u64).read_to_string(&mut key)) == key_len as usize);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |     assert!(try!((&mut r).take(value_len as u64).read_to_string(&mut value)) == value_len as usize);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:125:27
[INFO] [stdout]     |
[INFO] [stdout] 125 |             params.extend(try!(read_pairs(r)).into_iter());
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         try!(w.write_all(&[n as u8]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         try!(w.write_all(&buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |         try!(write_len(w, key.len() as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(write_len(w, value.len() as u32));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |         try!(write!(w, "{}{}", key, value));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     try!(w.write_all(&[
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     try!(w.write_all(content));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     assert!(try!(r.take(HEADER_LEN as u64).read_to_end(&mut header)) == HEADER_LEN);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |     assert!(try!(r.take(content_length as u64).read_to_end(&mut content)) == content_length as usize);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |     assert!(try!(r.take(padding_length as u64).read_to_end(&mut Vec::with_capacity(padding_length as usize))) == padding_length as usize);
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 try!(write_record(w, 3, request_id, &content));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:206:17
[INFO] [stdout]     |
[INFO] [stdout] 206 |                 try!(write_record(w, 6, request_id, &content));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 try!(write_record(w, 7, request_id, &content));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |                 try!(write_pairs(&mut content, items));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 try!(write_record(w, 10, 0, &content.into_inner()));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:218:17
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 try!(write_record(w, 11, 0, &content));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:226:50
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let (record_type, request_id, content) = try!(read_record(r));
[INFO] [stdout]     |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:250:29
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 let items = try!(read_pairs(&mut Cursor::new(content)));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:287:24
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 match (try!(Record::receive(&mut sock)), self.req.filter_data) {
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:289:25
[INFO] [stdout]     |
[INFO] [stdout] 289 |                         try!(Record::UnknownType(rec_type).send(&mut sock));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:292:25
[INFO] [stdout]     |
[INFO] [stdout] 292 |                         try!(
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:298:25
[INFO] [stdout]     |
[INFO] [stdout] 298 |                         try!(Record::EndRequest {
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:341:13
[INFO] [stdout]     |
[INFO] [stdout] 341 |             try!(chunk.read(buf))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:340:29
[INFO] [stdout]     |
[INFO] [stdout] 340 |             let mut chunk = try!(self.fill_buf());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |                         try!(rec.send(&mut &*self.req.sock));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 380 | writer!(Stdout);
[INFO] [stdout]     | --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `writer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:367:25
[INFO] [stdout]     |
[INFO] [stdout] 367 |                         try!(rec.send(&mut &*self.req.sock));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] ...
[INFO] [stdout] 382 | writer!(Stderr);
[INFO] [stdout]     | --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `writer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:419:19
[INFO] [stdout]     |
[INFO] [stdout] 419 |             match try!(Record::receive(&mut sock)) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:421:21
[INFO] [stdout]     |
[INFO] [stdout] 421 |                     try!(Record::UnknownType(rec_type).send(&mut sock));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:424:21
[INFO] [stdout]     |
[INFO] [stdout] 424 |                     try!(Record::GetValuesResult(get_values(keys)).send(&mut sock));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:430:21
[INFO] [stdout]     |
[INFO] [stdout] 430 |                     try!(Record::EndRequest {
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:446:19
[INFO] [stdout]     |
[INFO] [stdout] 446 |             match try!(Record::receive(&mut &*sock)) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:448:21
[INFO] [stdout]     |
[INFO] [stdout] 448 |                     try!(Record::UnknownType(rec_type).send(&mut &*sock));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:451:21
[INFO] [stdout]     |
[INFO] [stdout] 451 |                     try!(
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:457:21
[INFO] [stdout]     |
[INFO] [stdout] 457 |                     try!(Record::EndRequest {
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:477:39
[INFO] [stdout]     |
[INFO] [stdout] 477 |                         params.extend(try!(read_pairs(&mut Cursor::new(&buf))));
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:403:27
[INFO] [stdout]     |
[INFO] [stdout] 403 | pub type Params<'a> = Box<Iterator<Item = (String, String)> + 'a>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 403 - pub type Params<'a> = Box<Iterator<Item = (String, String)> + 'a>;
[INFO] [stdout] 403 + pub type Params<'a> = Box<dyn Iterator<Item = (String, String)> + 'a>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:132:24
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn write_len<W: Write>(mut w: &mut W, n: u32) -> io::Result<()> {
[INFO] [stdout]     |                        ----^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:578:30
[INFO] [stdout]     |
[INFO] [stdout] 578 |             Err(e) => panic!(e.to_string()),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 578 |             Err(e) => panic!("{}", e.to_string()),
[INFO] [stdout]     |                              +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 45 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "7173b8d0ec2827b2f96f95923ea017c1198744080f553c9477aa9ff9606218e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7173b8d0ec2827b2f96f95923ea017c1198744080f553c9477aa9ff9606218e7", kill_on_drop: false }`
[INFO] [stdout] 7173b8d0ec2827b2f96f95923ea017c1198744080f553c9477aa9ff9606218e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05c78d96a7ef6db152d19c5b51b055ebae75694ea1298e82c001d2d8fd24ed3f
[INFO] running `Command { std: "docker" "start" "-a" "05c78d96a7ef6db152d19c5b51b055ebae75694ea1298e82c001d2d8fd24ed3f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     try!((&mut r).take(1).read_to_end(&mut buf));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:95:21
[INFO] [stderr]    |
[INFO] [stderr] 95 |             assert!(try!((&mut r).take(3).read_to_end(&mut buf)) == 3);
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:111:19
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let key_len = try!(read_len(r));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:112:21
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let value_len = try!(read_len(r));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |     assert!(try!((&mut r).take(key_len as u64).read_to_string(&mut key)) == key_len as usize);
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |     assert!(try!((&mut r).take(value_len as u64).read_to_string(&mut value)) == value_len as usize);
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:125:27
[INFO] [stderr]     |
[INFO] [stderr] 125 |             params.extend(try!(read_pairs(r)).into_iter());
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         try!(w.write_all(&[n as u8]));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         try!(w.write_all(&buf));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |         try!(write_len(w, key.len() as u32));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         try!(write_len(w, value.len() as u32));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         try!(write!(w, "{}{}", key, value));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     try!(w.write_all(&[
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     try!(w.write_all(content));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:174:13
[INFO] [stderr]     |
[INFO] [stderr] 174 |     assert!(try!(r.take(HEADER_LEN as u64).read_to_end(&mut header)) == HEADER_LEN);
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:181:13
[INFO] [stderr]     |
[INFO] [stderr] 181 |     assert!(try!(r.take(content_length as u64).read_to_end(&mut content)) == content_length as usize);
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:182:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |     assert!(try!(r.take(padding_length as u64).read_to_end(&mut Vec::with_capacity(padding_length as usize))) == padding_length as usize);
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:203:17
[INFO] [stderr]     |
[INFO] [stderr] 203 |                 try!(write_record(w, 3, request_id, &content));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:206:17
[INFO] [stderr]     |
[INFO] [stderr] 206 |                 try!(write_record(w, 6, request_id, &content));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:209:17
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 try!(write_record(w, 7, request_id, &content));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:213:17
[INFO] [stderr]     |
[INFO] [stderr] 213 |                 try!(write_pairs(&mut content, items));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:214:17
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 try!(write_record(w, 10, 0, &content.into_inner()));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:218:17
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 try!(write_record(w, 11, 0, &content));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:226:50
[INFO] [stderr]     |
[INFO] [stderr] 226 |         let (record_type, request_id, content) = try!(read_record(r));
[INFO] [stderr]     |                                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:250:29
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 let items = try!(read_pairs(&mut Cursor::new(content)));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:287:24
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 match (try!(Record::receive(&mut sock)), self.req.filter_data) {
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:289:25
[INFO] [stderr]     |
[INFO] [stderr] 289 |                         try!(Record::UnknownType(rec_type).send(&mut sock));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:292:25
[INFO] [stderr]     |
[INFO] [stderr] 292 |                         try!(
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:298:25
[INFO] [stderr]     |
[INFO] [stderr] 298 |                         try!(Record::EndRequest {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:341:13
[INFO] [stderr]     |
[INFO] [stderr] 341 |             try!(chunk.read(buf))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:340:29
[INFO] [stderr]     |
[INFO] [stderr] 340 |             let mut chunk = try!(self.fill_buf());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:367:25
[INFO] [stderr]     |
[INFO] [stderr] 367 |                         try!(rec.send(&mut &*self.req.sock));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 380 | writer!(Stdout);
[INFO] [stderr]     | --------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `writer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:367:25
[INFO] [stderr]     |
[INFO] [stderr] 367 |                         try!(rec.send(&mut &*self.req.sock));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] ...
[INFO] [stderr] 382 | writer!(Stderr);
[INFO] [stderr]     | --------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `writer` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:419:19
[INFO] [stderr]     |
[INFO] [stderr] 419 |             match try!(Record::receive(&mut sock)) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:421:21
[INFO] [stderr]     |
[INFO] [stderr] 421 |                     try!(Record::UnknownType(rec_type).send(&mut sock));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:424:21
[INFO] [stderr]     |
[INFO] [stderr] 424 |                     try!(Record::GetValuesResult(get_values(keys)).send(&mut sock));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:430:21
[INFO] [stderr]     |
[INFO] [stderr] 430 |                     try!(Record::EndRequest {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:446:19
[INFO] [stderr]     |
[INFO] [stderr] 446 |             match try!(Record::receive(&mut &*sock)) {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:448:21
[INFO] [stderr]     |
[INFO] [stderr] 448 |                     try!(Record::UnknownType(rec_type).send(&mut &*sock));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:451:21
[INFO] [stderr]     |
[INFO] [stderr] 451 |                     try!(
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:457:21
[INFO] [stderr]     |
[INFO] [stderr] 457 |                     try!(Record::EndRequest {
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:477:39
[INFO] [stderr]     |
[INFO] [stderr] 477 |                         params.extend(try!(read_pairs(&mut Cursor::new(&buf))));
[INFO] [stderr]     |                                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:403:27
[INFO] [stderr]     |
[INFO] [stderr] 403 | pub type Params<'a> = Box<Iterator<Item = (String, String)> + 'a>;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 403 - pub type Params<'a> = Box<Iterator<Item = (String, String)> + 'a>;
[INFO] [stderr] 403 + pub type Params<'a> = Box<dyn Iterator<Item = (String, String)> + 'a>;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:132:24
[INFO] [stderr]     |
[INFO] [stderr] 132 | fn write_len<W: Write>(mut w: &mut W, n: u32) -> io::Result<()> {
[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: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:578:30
[INFO] [stderr]     |
[INFO] [stderr] 578 |             Err(e) => panic!(e.to_string()),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 578 |             Err(e) => panic!("{}", e.to_string()),
[INFO] [stderr]     |                              +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `fastcgi` (lib) generated 45 warnings
[INFO] [stderr] warning: `fastcgi` (lib test) generated 45 warnings (45 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fastcgi-ae3dfc5271c77e8f)
[INFO] [stderr]    Doc-tests fastcgi
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 30) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 30) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'Socket operation on non-socket (os error 88)', /opt/rustwide/workdir/src/lib.rs:578:23
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x563752eb844d - std::backtrace_rs::backtrace::libunwind::trace::hee598835bc88d35b
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x563752eb844d - std::backtrace_rs::backtrace::trace_unsynchronized::h9cdc730ba5cf5d72
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x563752eb844d - std::sys_common::backtrace::_print_fmt::h75aeaf7ed30e43fa
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x563752eb844d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h606862f787600875
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x563752ed578c - core::fmt::write::he803f0f418caf762
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x563752eb4a78 - std::io::Write::write_fmt::h70bc45872f37e7bb
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x563752eba257 - std::sys_common::backtrace::_print::h64d038cf8ac3e13e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x563752eba257 - std::sys_common::backtrace::print::h359300b4a7fccf65
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x563752eba257 - std::panicking::default_hook::{{closure}}::hf51be35e2f510149
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x563752eb9f20 - std::panicking::default_hook::h03ca0f22e1d2d25e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:314:9
[INFO] [stdout]   10:     0x563752eba9a9 - std::panicking::rust_panic_with_hook::h3b7380e99b825b63
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x563752e7d444 - std::panicking::begin_panic::{{closure}}::hdb680b323db3a1ca
[INFO] [stdout]   12:     0x563752e7cda1 - std::sys_common::backtrace::__rust_end_short_backtrace::h7f4ff1f59fe76cd1
[INFO] [stdout]   13:     0x563752e7d39f - std::panicking::begin_panic::hc04d7353fed536de
[INFO] [stdout]   14:     0x563752e763f8 - fastcgi::run_transport::h5bcede1832a1321d
[INFO] [stdout]   15:     0x563752e76894 - fastcgi::run::h77bd8694f1184f73
[INFO] [stdout]   16:     0x563752e75386 - rust_out::main::he239c4229bb09803
[INFO] [stdout]   17:     0x563752e74c43 - core::ops::function::FnOnce::call_once::h13013349529417b5
[INFO] [stdout]   18:     0x563752e7cd39 - std::sys_common::backtrace::__rust_begin_short_backtrace::hf40d275ec09763ca
[INFO] [stdout]   19:     0x563752e7ccc9 - std::rt::lang_start::{{closure}}::h3f8eb3e9838506c6
[INFO] [stdout]   20:     0x563752eb7b31 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hb7014f43484a8b4e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/core/src/ops/function.rs:259:13
[INFO] [stdout]   21:     0x563752eb7b31 - std::panicking::try::do_call::h7bc9dc436daeb8c7
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   22:     0x563752eb7b31 - std::panicking::try::h653d68a27ff5f175
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   23:     0x563752eb7b31 - std::panic::catch_unwind::h9d739f9f59895e68
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   24:     0x563752eb7b31 - std::rt::lang_start_internal::{{closure}}::hf006f2bc7ce22bbe
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:128:48
[INFO] [stdout]   25:     0x563752eb7b31 - std::panicking::try::do_call::hfb39d6df61a2e69f
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:492:40
[INFO] [stdout]   26:     0x563752eb7b31 - std::panicking::try::h13e2d225134958ac
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panicking.rs:456:19
[INFO] [stdout]   27:     0x563752eb7b31 - std::panic::catch_unwind::h3bd49b5a5dfb1a50
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/panic.rs:137:14
[INFO] [stdout]   28:     0x563752eb7b31 - std::rt::lang_start_internal::h2ba92edce36c035e
[INFO] [stdout]                                at /rustc/7737e0b5c4103216d6fd8cf941b7ab9bdbaace7c/library/std/src/rt.rs:128:20
[INFO] [stdout]   29:     0x563752e7ccb1 - std::rt::lang_start::he6b3cd9500177830
[INFO] [stdout]   30:     0x563752e7e783 - main
[INFO] [stdout]   31:     0x7f84fb7d80b3 - __libc_start_main
[INFO] [stdout]   32:     0x563752e74aee - _start
[INFO] [stdout]   33:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 30)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "05c78d96a7ef6db152d19c5b51b055ebae75694ea1298e82c001d2d8fd24ed3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c78d96a7ef6db152d19c5b51b055ebae75694ea1298e82c001d2d8fd24ed3f", kill_on_drop: false }`
[INFO] [stdout] 05c78d96a7ef6db152d19c5b51b055ebae75694ea1298e82c001d2d8fd24ed3f