[INFO] crate combine-language 3.0.2 is already in cache
[INFO] testing combine-language-3.0.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate combine-language 3.0.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate combine-language 3.0.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate combine-language 3.0.2
[INFO] finished tweaking crates.io crate combine-language 3.0.2
[INFO] tweaked toml for crates.io crate combine-language 3.0.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] de40f8341544d8160451212867abd0d5d841073f362f908be6c31a50e1b1c9ba
[INFO] running `"docker" "start" "-a" "de40f8341544d8160451212867abd0d5d841073f362f908be6c31a50e1b1c9ba"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling pulldown-cmark v0.0.8
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling skeptic v0.9.0
[INFO] [stderr]    Compiling combine-language v3.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:147:33
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let (_, mut consumed) = try!(try(&mut comment_start).parse_lazy(input).into());
[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/lib.rs:384:26
[INFO] [stderr]     |
[INFO] [stderr] 384 |         let (first, _) = try!(ident.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |             try!(Consumed::Consumed(()).combine(|_| iter.into_result(buffer)))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:425:26
[INFO] [stderr]     |
[INFO] [stderr] 425 |         let (first, _) = try!(ident.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:432:29
[INFO] [stderr]     |
[INFO] [stderr] 432 |         let (s, consumed) = try!(take(len).parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:470:26
[INFO] [stderr]     |
[INFO] [stderr] 470 |         let (first, _) = try!(op.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:477:13
[INFO] [stderr]     |
[INFO] [stderr] 477 |             try!(Consumed::Consumed(()).combine(|_| iter.into_result(buffer)))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:511:26
[INFO] [stderr]     |
[INFO] [stderr] 511 |         let (first, _) = try!(op.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:518:29
[INFO] [stderr]     |
[INFO] [stderr] 518 |         let (s, consumed) = try!(take(len).parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:569:29
[INFO] [stderr]     |
[INFO] [stderr] 569 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:598:29
[INFO] [stderr]     |
[INFO] [stderr] 598 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:670:30
[INFO] [stderr]     |
[INFO] [stderr] 670 |         let ((), consumed) = try!(LanguageEnv::push_digits(&mut buffer, input));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:789:33
[INFO] [stderr]     |
[INFO] [stderr] 789 |             let (mut r, rest) = try!(rest.combine(|_| self.term.parse_stream(input)));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:803:37
[INFO] [stderr]     |
[INFO] [stderr] 803 |                 let (new_r, rest) = try!(self.parse_expr(assoc.precedence, r, consumed, input));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:142:27
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let linecomment: &mut (Parser<Input = I, Output = (), PartialState = _>) =
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let linecomment: &mut (Parser<Input = I, Output = (), PartialState = _>) =
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = _>`
[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/lib.rs:273:9
[INFO] [stderr]     |
[INFO] [stderr] 273 |     Box<Parser<Input = I, Output = char, PartialState = ()> + 'a>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = char, PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 274 |     Box<Parser<Input = I, Output = char, PartialState = ()> + 'a>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = char, PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:285:31
[INFO] [stderr]     |
[INFO] [stderr] 285 |     comment_line: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:286:32
[INFO] [stderr]     |
[INFO] [stderr] 286 |     comment_start: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:287:30
[INFO] [stderr]     |
[INFO] [stderr] 287 |     comment_end: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]   --> src/lib.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 48 |     satisfy, skip_many, skip_many1, token, try, unexpected, ConsumedResult, ParseError,
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:143:14
[INFO] [stderr]     |
[INFO] [stderr] 143 |         &mut try(comment_line)
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:147:38
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let (_, mut consumed) = try!(try(&mut comment_start).parse_lazy(input).into());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:149:40
[INFO] [stderr]     |
[INFO] [stderr] 149 |             match consumed.combine(|_| try(&mut comment_end).parse_lazy(input).into()) {
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:451:30
[INFO] [stderr]     |
[INFO] [stderr] 451 |             parser: self.lex(try(string(name).skip(not_followed_by(ident_letter)))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:544:30
[INFO] [stderr]     |
[INFO] [stderr] 544 |             parser: self.lex(try(string(name).skip(not_followed_by(op_letter)))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.70s
[INFO] running `"docker" "inspect" "de40f8341544d8160451212867abd0d5d841073f362f908be6c31a50e1b1c9ba"`
[INFO] running `"docker" "rm" "-f" "de40f8341544d8160451212867abd0d5d841073f362f908be6c31a50e1b1c9ba"`
[INFO] [stdout] de40f8341544d8160451212867abd0d5d841073f362f908be6c31a50e1b1c9ba
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c769542699cbe1d8c766f0f4617fa94b7254957d0618315eb590890ccac0728f
[INFO] running `"docker" "start" "-a" "c769542699cbe1d8c766f0f4617fa94b7254957d0618315eb590890ccac0728f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling combine-language v3.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:147:33
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let (_, mut consumed) = try!(try(&mut comment_start).parse_lazy(input).into());
[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/lib.rs:384:26
[INFO] [stderr]     |
[INFO] [stderr] 384 |         let (first, _) = try!(ident.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |             try!(Consumed::Consumed(()).combine(|_| iter.into_result(buffer)))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:425:26
[INFO] [stderr]     |
[INFO] [stderr] 425 |         let (first, _) = try!(ident.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:432:29
[INFO] [stderr]     |
[INFO] [stderr] 432 |         let (s, consumed) = try!(take(len).parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:470:26
[INFO] [stderr]     |
[INFO] [stderr] 470 |         let (first, _) = try!(op.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:477:13
[INFO] [stderr]     |
[INFO] [stderr] 477 |             try!(Consumed::Consumed(()).combine(|_| iter.into_result(buffer)))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:511:26
[INFO] [stderr]     |
[INFO] [stderr] 511 |         let (first, _) = try!(op.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:518:29
[INFO] [stderr]     |
[INFO] [stderr] 518 |         let (s, consumed) = try!(take(len).parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:569:29
[INFO] [stderr]     |
[INFO] [stderr] 569 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:598:29
[INFO] [stderr]     |
[INFO] [stderr] 598 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:670:30
[INFO] [stderr]     |
[INFO] [stderr] 670 |         let ((), consumed) = try!(LanguageEnv::push_digits(&mut buffer, input));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:789:33
[INFO] [stderr]     |
[INFO] [stderr] 789 |             let (mut r, rest) = try!(rest.combine(|_| self.term.parse_stream(input)));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:803:37
[INFO] [stderr]     |
[INFO] [stderr] 803 |                 let (new_r, rest) = try!(self.parse_expr(assoc.precedence, r, consumed, input));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:142:27
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let linecomment: &mut (Parser<Input = I, Output = (), PartialState = _>) =
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let linecomment: &mut (Parser<Input = I, Output = (), PartialState = _>) =
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = _>`
[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/lib.rs:273:9
[INFO] [stderr]     |
[INFO] [stderr] 273 |     Box<Parser<Input = I, Output = char, PartialState = ()> + 'a>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = char, PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 274 |     Box<Parser<Input = I, Output = char, PartialState = ()> + 'a>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = char, PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:285:31
[INFO] [stderr]     |
[INFO] [stderr] 285 |     comment_line: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:286:32
[INFO] [stderr]     |
[INFO] [stderr] 286 |     comment_start: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:287:30
[INFO] [stderr]     |
[INFO] [stderr] 287 |     comment_end: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:147:33
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let (_, mut consumed) = try!(try(&mut comment_start).parse_lazy(input).into());
[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/lib.rs:384:26
[INFO] [stderr]     |
[INFO] [stderr] 384 |         let (first, _) = try!(ident.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |             try!(Consumed::Consumed(()).combine(|_| iter.into_result(buffer)))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:425:26
[INFO] [stderr]     |
[INFO] [stderr] 425 |         let (first, _) = try!(ident.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:432:29
[INFO] [stderr]     |
[INFO] [stderr] 432 |         let (s, consumed) = try!(take(len).parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:470:26
[INFO] [stderr]     |
[INFO] [stderr] 470 |         let (first, _) = try!(op.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:477:13
[INFO] [stderr]     |
[INFO] [stderr] 477 |             try!(Consumed::Consumed(()).combine(|_| iter.into_result(buffer)))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:511:26
[INFO] [stderr]     |
[INFO] [stderr] 511 |         let (first, _) = try!(op.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:518:29
[INFO] [stderr]     |
[INFO] [stderr] 518 |         let (s, consumed) = try!(take(len).parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:569:29
[INFO] [stderr]     |
[INFO] [stderr] 569 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:598:29
[INFO] [stderr]     |
[INFO] [stderr] 598 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:670:30
[INFO] [stderr]     |
[INFO] [stderr] 670 |         let ((), consumed) = try!(LanguageEnv::push_digits(&mut buffer, input));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:789:33
[INFO] [stderr]     |
[INFO] [stderr] 789 |             let (mut r, rest) = try!(rest.combine(|_| self.term.parse_stream(input)));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:803:37
[INFO] [stderr]     |
[INFO] [stderr] 803 |                 let (new_r, rest) = try!(self.parse_expr(assoc.precedence, r, consumed, input));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:142:27
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let linecomment: &mut (Parser<Input = I, Output = (), PartialState = _>) =
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let linecomment: &mut (Parser<Input = I, Output = (), PartialState = _>) =
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = _>`
[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/lib.rs:273:9
[INFO] [stderr]     |
[INFO] [stderr] 273 |     Box<Parser<Input = I, Output = char, PartialState = ()> + 'a>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = char, PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 274 |     Box<Parser<Input = I, Output = char, PartialState = ()> + 'a>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = char, PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:285:31
[INFO] [stderr]     |
[INFO] [stderr] 285 |     comment_line: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:286:32
[INFO] [stderr]     |
[INFO] [stderr] 286 |     comment_start: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:287:30
[INFO] [stderr]     |
[INFO] [stderr] 287 |     comment_end: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]   --> src/lib.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 48 |     satisfy, skip_many, skip_many1, token, try, unexpected, ConsumedResult, ParseError,
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:143:14
[INFO] [stderr]     |
[INFO] [stderr] 143 |         &mut try(comment_line)
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:147:38
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let (_, mut consumed) = try!(try(&mut comment_start).parse_lazy(input).into());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:149:40
[INFO] [stderr]     |
[INFO] [stderr] 149 |             match consumed.combine(|_| try(&mut comment_end).parse_lazy(input).into()) {
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:451:30
[INFO] [stderr]     |
[INFO] [stderr] 451 |             parser: self.lex(try(string(name).skip(not_followed_by(ident_letter)))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:544:30
[INFO] [stderr]     |
[INFO] [stderr] 544 |             parser: self.lex(try(string(name).skip(not_followed_by(op_letter)))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]   --> src/lib.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 48 |     satisfy, skip_many, skip_many1, token, try, unexpected, ConsumedResult, ParseError,
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:143:14
[INFO] [stderr]     |
[INFO] [stderr] 143 |         &mut try(comment_line)
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:147:38
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let (_, mut consumed) = try!(try(&mut comment_start).parse_lazy(input).into());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:149:40
[INFO] [stderr]     |
[INFO] [stderr] 149 |             match consumed.combine(|_| try(&mut comment_end).parse_lazy(input).into()) {
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:451:30
[INFO] [stderr]     |
[INFO] [stderr] 451 |             parser: self.lex(try(string(name).skip(not_followed_by(ident_letter)))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:544:30
[INFO] [stderr]     |
[INFO] [stderr] 544 |             parser: self.lex(try(string(name).skip(not_followed_by(op_letter)))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `"docker" "inspect" "c769542699cbe1d8c766f0f4617fa94b7254957d0618315eb590890ccac0728f"`
[INFO] running `"docker" "rm" "-f" "c769542699cbe1d8c766f0f4617fa94b7254957d0618315eb590890ccac0728f"`
[INFO] [stdout] c769542699cbe1d8c766f0f4617fa94b7254957d0618315eb590890ccac0728f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d9efac1ec0a86ca529833bdfa2a13138a33bbf88a9d89f5dcbeb366b40df58a
[INFO] running `"docker" "start" "-a" "1d9efac1ec0a86ca529833bdfa2a13138a33bbf88a9d89f5dcbeb366b40df58a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling combine-language v3.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:147:33
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let (_, mut consumed) = try!(try(&mut comment_start).parse_lazy(input).into());
[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/lib.rs:384:26
[INFO] [stderr]     |
[INFO] [stderr] 384 |         let (first, _) = try!(ident.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |             try!(Consumed::Consumed(()).combine(|_| iter.into_result(buffer)))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:425:26
[INFO] [stderr]     |
[INFO] [stderr] 425 |         let (first, _) = try!(ident.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:432:29
[INFO] [stderr]     |
[INFO] [stderr] 432 |         let (s, consumed) = try!(take(len).parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:470:26
[INFO] [stderr]     |
[INFO] [stderr] 470 |         let (first, _) = try!(op.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:477:13
[INFO] [stderr]     |
[INFO] [stderr] 477 |             try!(Consumed::Consumed(()).combine(|_| iter.into_result(buffer)))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:511:26
[INFO] [stderr]     |
[INFO] [stderr] 511 |         let (first, _) = try!(op.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:518:29
[INFO] [stderr]     |
[INFO] [stderr] 518 |         let (s, consumed) = try!(take(len).parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:569:29
[INFO] [stderr]     |
[INFO] [stderr] 569 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:598:29
[INFO] [stderr]     |
[INFO] [stderr] 598 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:670:30
[INFO] [stderr]     |
[INFO] [stderr] 670 |         let ((), consumed) = try!(LanguageEnv::push_digits(&mut buffer, input));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:789:33
[INFO] [stderr]     |
[INFO] [stderr] 789 |             let (mut r, rest) = try!(rest.combine(|_| self.term.parse_stream(input)));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:803:37
[INFO] [stderr]     |
[INFO] [stderr] 803 |                 let (new_r, rest) = try!(self.parse_expr(assoc.precedence, r, consumed, input));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:142:27
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let linecomment: &mut (Parser<Input = I, Output = (), PartialState = _>) =
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let linecomment: &mut (Parser<Input = I, Output = (), PartialState = _>) =
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = _>`
[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/lib.rs:273:9
[INFO] [stderr]     |
[INFO] [stderr] 273 |     Box<Parser<Input = I, Output = char, PartialState = ()> + 'a>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = char, PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 274 |     Box<Parser<Input = I, Output = char, PartialState = ()> + 'a>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = char, PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:285:31
[INFO] [stderr]     |
[INFO] [stderr] 285 |     comment_line: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:286:32
[INFO] [stderr]     |
[INFO] [stderr] 286 |     comment_start: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:287:30
[INFO] [stderr]     |
[INFO] [stderr] 287 |     comment_end: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]   --> src/lib.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 48 |     satisfy, skip_many, skip_many1, token, try, unexpected, ConsumedResult, ParseError,
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:143:14
[INFO] [stderr]     |
[INFO] [stderr] 143 |         &mut try(comment_line)
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:147:38
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let (_, mut consumed) = try!(try(&mut comment_start).parse_lazy(input).into());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:149:40
[INFO] [stderr]     |
[INFO] [stderr] 149 |             match consumed.combine(|_| try(&mut comment_end).parse_lazy(input).into()) {
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:451:30
[INFO] [stderr]     |
[INFO] [stderr] 451 |             parser: self.lex(try(string(name).skip(not_followed_by(ident_letter)))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:544:30
[INFO] [stderr]     |
[INFO] [stderr] 544 |             parser: self.lex(try(string(name).skip(not_followed_by(op_letter)))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:147:33
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let (_, mut consumed) = try!(try(&mut comment_start).parse_lazy(input).into());
[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/lib.rs:384:26
[INFO] [stderr]     |
[INFO] [stderr] 384 |         let (first, _) = try!(ident.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:391:13
[INFO] [stderr]     |
[INFO] [stderr] 391 |             try!(Consumed::Consumed(()).combine(|_| iter.into_result(buffer)))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:425:26
[INFO] [stderr]     |
[INFO] [stderr] 425 |         let (first, _) = try!(ident.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:432:29
[INFO] [stderr]     |
[INFO] [stderr] 432 |         let (s, consumed) = try!(take(len).parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:470:26
[INFO] [stderr]     |
[INFO] [stderr] 470 |         let (first, _) = try!(op.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:477:13
[INFO] [stderr]     |
[INFO] [stderr] 477 |             try!(Consumed::Consumed(()).combine(|_| iter.into_result(buffer)))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:511:26
[INFO] [stderr]     |
[INFO] [stderr] 511 |         let (first, _) = try!(op.0.parse_lazy(input).into());
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:518:29
[INFO] [stderr]     |
[INFO] [stderr] 518 |         let (s, consumed) = try!(take(len).parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:569:29
[INFO] [stderr]     |
[INFO] [stderr] 569 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:598:29
[INFO] [stderr]     |
[INFO] [stderr] 598 |         let (c, consumed) = try!(any().parse_lazy(input).into());
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:670:30
[INFO] [stderr]     |
[INFO] [stderr] 670 |         let ((), consumed) = try!(LanguageEnv::push_digits(&mut buffer, input));
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:789:33
[INFO] [stderr]     |
[INFO] [stderr] 789 |             let (mut r, rest) = try!(rest.combine(|_| self.term.parse_stream(input)));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:803:37
[INFO] [stderr]     |
[INFO] [stderr] 803 |                 let (new_r, rest) = try!(self.parse_expr(assoc.precedence, r, consumed, input));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/lib.rs:142:27
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let linecomment: &mut (Parser<Input = I, Output = (), PartialState = _>) =
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:142:28
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let linecomment: &mut (Parser<Input = I, Output = (), PartialState = _>) =
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = _>`
[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/lib.rs:273:9
[INFO] [stderr]     |
[INFO] [stderr] 273 |     Box<Parser<Input = I, Output = char, PartialState = ()> + 'a>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = char, PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 274 |     Box<Parser<Input = I, Output = char, PartialState = ()> + 'a>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = char, PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:285:31
[INFO] [stderr]     |
[INFO] [stderr] 285 |     comment_line: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:286:32
[INFO] [stderr]     |
[INFO] [stderr] 286 |     comment_start: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:287:30
[INFO] [stderr]     |
[INFO] [stderr] 287 |     comment_end: RefCell<Box<Parser<Input = I, Output = (), PartialState = ()> + 'a>>,
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = I, Output = (), PartialState = ()> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]   --> src/lib.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 48 |     satisfy, skip_many, skip_many1, token, try, unexpected, ConsumedResult, ParseError,
[INFO] [stderr]    |                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:143:14
[INFO] [stderr]     |
[INFO] [stderr] 143 |         &mut try(comment_line)
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:147:38
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let (_, mut consumed) = try!(try(&mut comment_start).parse_lazy(input).into());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:149:40
[INFO] [stderr]     |
[INFO] [stderr] 149 |             match consumed.combine(|_| try(&mut comment_end).parse_lazy(input).into()) {
[INFO] [stderr]     |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:451:30
[INFO] [stderr]     |
[INFO] [stderr] 451 |             parser: self.lex(try(string(name).skip(not_followed_by(ident_letter)))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'combine::try': try is a reserved keyword in Rust 2018. Use attempt instead.
[INFO] [stderr]    --> src/lib.rs:544:30
[INFO] [stderr]     |
[INFO] [stderr] 544 |             parser: self.lex(try(string(name).skip(not_followed_by(op_letter)))),
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/combine_language-3d904ca2a51f90f8
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::expression_error ... ok
[INFO] [stdout] test tests::float_literal ... ok
[INFO] [stdout] test tests::expression ... ok
[INFO] [stdout] test tests::char_literal ... ok
[INFO] [stdout] test tests::integer_literal ... ok
[INFO] [stdout] test tests::identifier ... ok
[INFO] [stdout] test tests::range_operator ... ok
[INFO] [stdout] test tests::string_literal ... ok
[INFO] [stdout] test tests::range_identifier ... ok
[INFO] [stdout] test tests::right_assoc_expression ... ok
[INFO] [stdout] test tests::operator ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/skeptic-7e850ccb5e1e80df
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test readme_0 ... ok
[INFO] [stderr]    Doc-tests combine-language
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - expression_parser (line 835) ... ok
[INFO] [stdout] test src/lib.rs -  (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1d9efac1ec0a86ca529833bdfa2a13138a33bbf88a9d89f5dcbeb366b40df58a"`
[INFO] running `"docker" "rm" "-f" "1d9efac1ec0a86ca529833bdfa2a13138a33bbf88a9d89f5dcbeb366b40df58a"`
[INFO] [stdout] 1d9efac1ec0a86ca529833bdfa2a13138a33bbf88a9d89f5dcbeb366b40df58a