[INFO] crate argparse 0.2.2 is already in cache
[INFO] testing argparse-0.2.2 against 1.44.0 for beta-1.45-1
[INFO] extracting crate argparse 0.2.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate argparse 0.2.2 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate argparse 0.2.2
[INFO] finished tweaking crates.io crate argparse 0.2.2
[INFO] tweaked toml for crates.io crate argparse 0.2.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.44.0" "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] b8be87ae67ce9d1a02539d304b6f7793621fcd1f5951a24962d1d30665070e8f
[INFO] running `"docker" "start" "-a" "b8be87ae67ce9d1a02539d304b6f7793621fcd1f5951a24962d1d30665070e8f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling argparse v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:839:9
[INFO] [stderr]     |
[INFO] [stderr] 839 |         try!(write!(self.buf, "  {}", arg.name));
[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/parser.rs:842:13
[INFO] [stderr]     |
[INFO] [stderr] 842 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:844:17
[INFO] [stderr]     |
[INFO] [stderr] 844 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:848:17
[INFO] [stderr]     |
[INFO] [stderr] 848 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:851:9
[INFO] [stderr]     |
[INFO] [stderr] 851 |         try!(wrap_text(self.buf, arg.help, TOTAL_WIDTH, OPTION_WIDTH));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:852:9
[INFO] [stderr]     |
[INFO] [stderr] 852 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:858:9
[INFO] [stderr]     |
[INFO] [stderr] 858 |         try!(write!(self.buf, "  "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:861:9
[INFO] [stderr]     |
[INFO] [stderr] 861 |         try!(write!(self.buf, "{}", name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:864:13
[INFO] [stderr]     |
[INFO] [stderr] 864 |             try!(write!(self.buf, ","));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:865:13
[INFO] [stderr]     |
[INFO] [stderr] 865 |             try!(write!(self.buf, "{}", name));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:871:17
[INFO] [stderr]     |
[INFO] [stderr] 871 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:873:17
[INFO] [stderr]     |
[INFO] [stderr] 873 |                 try!(write!(self.buf, "{}", &var.metavar[..]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:878:13
[INFO] [stderr]     |
[INFO] [stderr] 878 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:880:17
[INFO] [stderr]     |
[INFO] [stderr] 880 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:884:17
[INFO] [stderr]     |
[INFO] [stderr] 884 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:887:9
[INFO] [stderr]     |
[INFO] [stderr] 887 |         try!(wrap_text(self.buf, opt.help, TOTAL_WIDTH, OPTION_WIDTH));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:888:9
[INFO] [stderr]     |
[INFO] [stderr] 888 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:893:9
[INFO] [stderr]     |
[INFO] [stderr] 893 |         try!(self.write_usage());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:894:9
[INFO] [stderr]     |
[INFO] [stderr] 894 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:896:13
[INFO] [stderr]     |
[INFO] [stderr] 896 |             try!(wrap_text(self.buf, self.parser.description,TOTAL_WIDTH, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:897:13
[INFO] [stderr]     |
[INFO] [stderr] 897 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:902:13
[INFO] [stderr]     |
[INFO] [stderr] 902 |             try!(write!(self.buf, "\nPositional arguments:\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:904:17
[INFO] [stderr]     |
[INFO] [stderr] 904 |                 try!(self.print_argument(&**arg));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:908:21
[INFO] [stderr]     |
[INFO] [stderr] 908 |                     try!(self.print_argument(&**opt));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:916:13
[INFO] [stderr]     |
[INFO] [stderr] 916 |             try!(write!(self.buf, "\nOptional arguments:\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:918:17
[INFO] [stderr]     |
[INFO] [stderr] 918 |                 try!(self.print_option(&**opt));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:925:9
[INFO] [stderr]     |
[INFO] [stderr] 925 |         try!(write!(self.buf, "Usage:\n  "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:926:9
[INFO] [stderr]     |
[INFO] [stderr] 926 |         try!(write!(self.buf, "{}", self.name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:931:17
[INFO] [stderr]     |
[INFO] [stderr] 931 |                 try!(write!(self.buf, " [OPTIONS]"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:935:17
[INFO] [stderr]     |
[INFO] [stderr] 935 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:937:21
[INFO] [stderr]     |
[INFO] [stderr] 937 |                     try!(write!(self.buf, "["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:939:17
[INFO] [stderr]     |
[INFO] [stderr] 939 |                 try!(write!(self.buf, "{}",
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:942:21
[INFO] [stderr]     |
[INFO] [stderr] 942 |                     try!(write!(self.buf, "]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:948:21
[INFO] [stderr]     |
[INFO] [stderr] 948 |                     try!(write!(self.buf, " "));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:950:25
[INFO] [stderr]     |
[INFO] [stderr] 950 |                         try!(write!(self.buf, "["));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:952:21
[INFO] [stderr]     |
[INFO] [stderr] 952 |                     try!(write!(self.buf, "{}",
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:955:25
[INFO] [stderr]     |
[INFO] [stderr] 955 |                         try!(write!(self.buf, " ...]"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:957:25
[INFO] [stderr]     |
[INFO] [stderr] 957 |                         try!(write!(self.buf, " [...]"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:963:9
[INFO] [stderr]     |
[INFO] [stderr] 963 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             try!(buf.write(b"\n"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 try!(buf.write(b" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             try!(buf.write(b" "));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Flag(Box<IFlagAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IFlagAction + 'a`
[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/action.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Single(Box<IArgAction + 'a>),
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Push(Box<IArgsAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgsAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Many(Box<IArgsAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgsAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |     action: Box<IArgAction + 'parser>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgAction + 'parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:142:24
[INFO] [stderr]     |
[INFO] [stderr] 142 |     stderr: &'ctx mut (Write + 'ctx),
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn Write + 'ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:462:72
[INFO] [stderr]     |
[INFO] [stderr] 462 |     fn parse(parser: &ArgumentParser, args: &Vec<String>, stderr: &mut Write)
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:723:55
[INFO] [stderr]     |
[INFO] [stderr] 723 |     pub fn print_help(&self, name: &str, writer: &mut Write) -> IoResult<()> {
[INFO] [stderr]     |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:730:56
[INFO] [stderr]     |
[INFO] [stderr] 730 |     pub fn print_usage(&self, name: &str, writer: &mut Write) -> IoResult<()>
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:740:22
[INFO] [stderr]     |
[INFO] [stderr] 740 |         stdout: &mut Write, stderr: &mut Write)
[INFO] [stderr]     |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:740:42
[INFO] [stderr]     |
[INFO] [stderr] 740 |         stdout: &mut Write, stderr: &mut Write)
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:762:68
[INFO] [stderr]     |
[INFO] [stderr] 762 |     pub fn error(&self, command: &str, message: &str, writer: &mut Write) {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:817:19
[INFO] [stderr]     |
[INFO] [stderr] 817 |     buf: &'a mut (Write + 'a),
[INFO] [stderr]     |                   ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:821:74
[INFO] [stderr]     |
[INFO] [stderr] 821 |     pub fn print_usage(parser: &ArgumentParser, name: &str, writer: &mut Write)
[INFO] [stderr]     |                                                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:828:73
[INFO] [stderr]     |
[INFO] [stderr] 828 |     pub fn print_help(parser: &ArgumentParser, name: &str, writer: &mut Write)
[INFO] [stderr]     |                                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/help.rs:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn wrap_text(buf: &mut Write, data: &str, width: usize, indent: usize)
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 60 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "b8be87ae67ce9d1a02539d304b6f7793621fcd1f5951a24962d1d30665070e8f"`
[INFO] running `"docker" "rm" "-f" "b8be87ae67ce9d1a02539d304b6f7793621fcd1f5951a24962d1d30665070e8f"`
[INFO] [stdout] b8be87ae67ce9d1a02539d304b6f7793621fcd1f5951a24962d1d30665070e8f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.44.0" "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] 1847b534b37ac8f439ef5837afac14a8ca3f39430f82d9b397dc9716c21c72d0
[INFO] running `"docker" "start" "-a" "1847b534b37ac8f439ef5837afac14a8ca3f39430f82d9b397dc9716c21c72d0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling argparse v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:839:9
[INFO] [stderr]     |
[INFO] [stderr] 839 |         try!(write!(self.buf, "  {}", arg.name));
[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/parser.rs:842:13
[INFO] [stderr]     |
[INFO] [stderr] 842 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:844:17
[INFO] [stderr]     |
[INFO] [stderr] 844 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:848:17
[INFO] [stderr]     |
[INFO] [stderr] 848 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:851:9
[INFO] [stderr]     |
[INFO] [stderr] 851 |         try!(wrap_text(self.buf, arg.help, TOTAL_WIDTH, OPTION_WIDTH));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:852:9
[INFO] [stderr]     |
[INFO] [stderr] 852 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:858:9
[INFO] [stderr]     |
[INFO] [stderr] 858 |         try!(write!(self.buf, "  "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:861:9
[INFO] [stderr]     |
[INFO] [stderr] 861 |         try!(write!(self.buf, "{}", name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:864:13
[INFO] [stderr]     |
[INFO] [stderr] 864 |             try!(write!(self.buf, ","));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:865:13
[INFO] [stderr]     |
[INFO] [stderr] 865 |             try!(write!(self.buf, "{}", name));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:871:17
[INFO] [stderr]     |
[INFO] [stderr] 871 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:873:17
[INFO] [stderr]     |
[INFO] [stderr] 873 |                 try!(write!(self.buf, "{}", &var.metavar[..]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:878:13
[INFO] [stderr]     |
[INFO] [stderr] 878 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:880:17
[INFO] [stderr]     |
[INFO] [stderr] 880 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:884:17
[INFO] [stderr]     |
[INFO] [stderr] 884 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:887:9
[INFO] [stderr]     |
[INFO] [stderr] 887 |         try!(wrap_text(self.buf, opt.help, TOTAL_WIDTH, OPTION_WIDTH));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:888:9
[INFO] [stderr]     |
[INFO] [stderr] 888 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:893:9
[INFO] [stderr]     |
[INFO] [stderr] 893 |         try!(self.write_usage());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:894:9
[INFO] [stderr]     |
[INFO] [stderr] 894 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:896:13
[INFO] [stderr]     |
[INFO] [stderr] 896 |             try!(wrap_text(self.buf, self.parser.description,TOTAL_WIDTH, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:897:13
[INFO] [stderr]     |
[INFO] [stderr] 897 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:902:13
[INFO] [stderr]     |
[INFO] [stderr] 902 |             try!(write!(self.buf, "\nPositional arguments:\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:904:17
[INFO] [stderr]     |
[INFO] [stderr] 904 |                 try!(self.print_argument(&**arg));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:908:21
[INFO] [stderr]     |
[INFO] [stderr] 908 |                     try!(self.print_argument(&**opt));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:916:13
[INFO] [stderr]     |
[INFO] [stderr] 916 |             try!(write!(self.buf, "\nOptional arguments:\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:918:17
[INFO] [stderr]     |
[INFO] [stderr] 918 |                 try!(self.print_option(&**opt));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:925:9
[INFO] [stderr]     |
[INFO] [stderr] 925 |         try!(write!(self.buf, "Usage:\n  "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:926:9
[INFO] [stderr]     |
[INFO] [stderr] 926 |         try!(write!(self.buf, "{}", self.name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:931:17
[INFO] [stderr]     |
[INFO] [stderr] 931 |                 try!(write!(self.buf, " [OPTIONS]"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:935:17
[INFO] [stderr]     |
[INFO] [stderr] 935 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:937:21
[INFO] [stderr]     |
[INFO] [stderr] 937 |                     try!(write!(self.buf, "["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:939:17
[INFO] [stderr]     |
[INFO] [stderr] 939 |                 try!(write!(self.buf, "{}",
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:942:21
[INFO] [stderr]     |
[INFO] [stderr] 942 |                     try!(write!(self.buf, "]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:948:21
[INFO] [stderr]     |
[INFO] [stderr] 948 |                     try!(write!(self.buf, " "));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:950:25
[INFO] [stderr]     |
[INFO] [stderr] 950 |                         try!(write!(self.buf, "["));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:952:21
[INFO] [stderr]     |
[INFO] [stderr] 952 |                     try!(write!(self.buf, "{}",
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:955:25
[INFO] [stderr]     |
[INFO] [stderr] 955 |                         try!(write!(self.buf, " ...]"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:957:25
[INFO] [stderr]     |
[INFO] [stderr] 957 |                         try!(write!(self.buf, " [...]"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:963:9
[INFO] [stderr]     |
[INFO] [stderr] 963 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             try!(buf.write(b"\n"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 try!(buf.write(b" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             try!(buf.write(b" "));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Flag(Box<IFlagAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IFlagAction + 'a`
[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/action.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Single(Box<IArgAction + 'a>),
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Push(Box<IArgsAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgsAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Many(Box<IArgsAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgsAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |     action: Box<IArgAction + 'parser>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgAction + 'parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:142:24
[INFO] [stderr]     |
[INFO] [stderr] 142 |     stderr: &'ctx mut (Write + 'ctx),
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn Write + 'ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:462:72
[INFO] [stderr]     |
[INFO] [stderr] 462 |     fn parse(parser: &ArgumentParser, args: &Vec<String>, stderr: &mut Write)
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:723:55
[INFO] [stderr]     |
[INFO] [stderr] 723 |     pub fn print_help(&self, name: &str, writer: &mut Write) -> IoResult<()> {
[INFO] [stderr]     |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:730:56
[INFO] [stderr]     |
[INFO] [stderr] 730 |     pub fn print_usage(&self, name: &str, writer: &mut Write) -> IoResult<()>
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:740:22
[INFO] [stderr]     |
[INFO] [stderr] 740 |         stdout: &mut Write, stderr: &mut Write)
[INFO] [stderr]     |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:740:42
[INFO] [stderr]     |
[INFO] [stderr] 740 |         stdout: &mut Write, stderr: &mut Write)
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:762:68
[INFO] [stderr]     |
[INFO] [stderr] 762 |     pub fn error(&self, command: &str, message: &str, writer: &mut Write) {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:817:19
[INFO] [stderr]     |
[INFO] [stderr] 817 |     buf: &'a mut (Write + 'a),
[INFO] [stderr]     |                   ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:821:74
[INFO] [stderr]     |
[INFO] [stderr] 821 |     pub fn print_usage(parser: &ArgumentParser, name: &str, writer: &mut Write)
[INFO] [stderr]     |                                                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:828:73
[INFO] [stderr]     |
[INFO] [stderr] 828 |     pub fn print_help(parser: &ArgumentParser, name: &str, writer: &mut Write)
[INFO] [stderr]     |                                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/help.rs:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn wrap_text(buf: &mut Write, data: &str, width: usize, indent: usize)
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 60 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:839:9
[INFO] [stderr]     |
[INFO] [stderr] 839 |         try!(write!(self.buf, "  {}", arg.name));
[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/parser.rs:842:13
[INFO] [stderr]     |
[INFO] [stderr] 842 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:844:17
[INFO] [stderr]     |
[INFO] [stderr] 844 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:848:17
[INFO] [stderr]     |
[INFO] [stderr] 848 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:851:9
[INFO] [stderr]     |
[INFO] [stderr] 851 |         try!(wrap_text(self.buf, arg.help, TOTAL_WIDTH, OPTION_WIDTH));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:852:9
[INFO] [stderr]     |
[INFO] [stderr] 852 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:858:9
[INFO] [stderr]     |
[INFO] [stderr] 858 |         try!(write!(self.buf, "  "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:861:9
[INFO] [stderr]     |
[INFO] [stderr] 861 |         try!(write!(self.buf, "{}", name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:864:13
[INFO] [stderr]     |
[INFO] [stderr] 864 |             try!(write!(self.buf, ","));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:865:13
[INFO] [stderr]     |
[INFO] [stderr] 865 |             try!(write!(self.buf, "{}", name));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:871:17
[INFO] [stderr]     |
[INFO] [stderr] 871 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:873:17
[INFO] [stderr]     |
[INFO] [stderr] 873 |                 try!(write!(self.buf, "{}", &var.metavar[..]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:878:13
[INFO] [stderr]     |
[INFO] [stderr] 878 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:880:17
[INFO] [stderr]     |
[INFO] [stderr] 880 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:884:17
[INFO] [stderr]     |
[INFO] [stderr] 884 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:887:9
[INFO] [stderr]     |
[INFO] [stderr] 887 |         try!(wrap_text(self.buf, opt.help, TOTAL_WIDTH, OPTION_WIDTH));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:888:9
[INFO] [stderr]     |
[INFO] [stderr] 888 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:893:9
[INFO] [stderr]     |
[INFO] [stderr] 893 |         try!(self.write_usage());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:894:9
[INFO] [stderr]     |
[INFO] [stderr] 894 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:896:13
[INFO] [stderr]     |
[INFO] [stderr] 896 |             try!(wrap_text(self.buf, self.parser.description,TOTAL_WIDTH, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:897:13
[INFO] [stderr]     |
[INFO] [stderr] 897 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:902:13
[INFO] [stderr]     |
[INFO] [stderr] 902 |             try!(write!(self.buf, "\nPositional arguments:\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:904:17
[INFO] [stderr]     |
[INFO] [stderr] 904 |                 try!(self.print_argument(&**arg));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:908:21
[INFO] [stderr]     |
[INFO] [stderr] 908 |                     try!(self.print_argument(&**opt));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:916:13
[INFO] [stderr]     |
[INFO] [stderr] 916 |             try!(write!(self.buf, "\nOptional arguments:\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:918:17
[INFO] [stderr]     |
[INFO] [stderr] 918 |                 try!(self.print_option(&**opt));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:925:9
[INFO] [stderr]     |
[INFO] [stderr] 925 |         try!(write!(self.buf, "Usage:\n  "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:926:9
[INFO] [stderr]     |
[INFO] [stderr] 926 |         try!(write!(self.buf, "{}", self.name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:931:17
[INFO] [stderr]     |
[INFO] [stderr] 931 |                 try!(write!(self.buf, " [OPTIONS]"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:935:17
[INFO] [stderr]     |
[INFO] [stderr] 935 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:937:21
[INFO] [stderr]     |
[INFO] [stderr] 937 |                     try!(write!(self.buf, "["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:939:17
[INFO] [stderr]     |
[INFO] [stderr] 939 |                 try!(write!(self.buf, "{}",
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:942:21
[INFO] [stderr]     |
[INFO] [stderr] 942 |                     try!(write!(self.buf, "]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:948:21
[INFO] [stderr]     |
[INFO] [stderr] 948 |                     try!(write!(self.buf, " "));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:950:25
[INFO] [stderr]     |
[INFO] [stderr] 950 |                         try!(write!(self.buf, "["));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:952:21
[INFO] [stderr]     |
[INFO] [stderr] 952 |                     try!(write!(self.buf, "{}",
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:955:25
[INFO] [stderr]     |
[INFO] [stderr] 955 |                         try!(write!(self.buf, " ...]"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:957:25
[INFO] [stderr]     |
[INFO] [stderr] 957 |                         try!(write!(self.buf, " [...]"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:963:9
[INFO] [stderr]     |
[INFO] [stderr] 963 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             try!(buf.write(b"\n"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 try!(buf.write(b" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             try!(buf.write(b" "));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Flag(Box<IFlagAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IFlagAction + 'a`
[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/action.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Single(Box<IArgAction + 'a>),
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Push(Box<IArgsAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgsAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Many(Box<IArgsAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgsAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |     action: Box<IArgAction + 'parser>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgAction + 'parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:142:24
[INFO] [stderr]     |
[INFO] [stderr] 142 |     stderr: &'ctx mut (Write + 'ctx),
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn Write + 'ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:462:72
[INFO] [stderr]     |
[INFO] [stderr] 462 |     fn parse(parser: &ArgumentParser, args: &Vec<String>, stderr: &mut Write)
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:723:55
[INFO] [stderr]     |
[INFO] [stderr] 723 |     pub fn print_help(&self, name: &str, writer: &mut Write) -> IoResult<()> {
[INFO] [stderr]     |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:730:56
[INFO] [stderr]     |
[INFO] [stderr] 730 |     pub fn print_usage(&self, name: &str, writer: &mut Write) -> IoResult<()>
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:740:22
[INFO] [stderr]     |
[INFO] [stderr] 740 |         stdout: &mut Write, stderr: &mut Write)
[INFO] [stderr]     |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:740:42
[INFO] [stderr]     |
[INFO] [stderr] 740 |         stdout: &mut Write, stderr: &mut Write)
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:762:68
[INFO] [stderr]     |
[INFO] [stderr] 762 |     pub fn error(&self, command: &str, message: &str, writer: &mut Write) {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:817:19
[INFO] [stderr]     |
[INFO] [stderr] 817 |     buf: &'a mut (Write + 'a),
[INFO] [stderr]     |                   ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:821:74
[INFO] [stderr]     |
[INFO] [stderr] 821 |     pub fn print_usage(parser: &ArgumentParser, name: &str, writer: &mut Write)
[INFO] [stderr]     |                                                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:828:73
[INFO] [stderr]     |
[INFO] [stderr] 828 |     pub fn print_help(parser: &ArgumentParser, name: &str, writer: &mut Write)
[INFO] [stderr]     |                                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/help.rs:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn wrap_text(buf: &mut Write, data: &str, width: usize, indent: usize)
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 60 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `"docker" "inspect" "1847b534b37ac8f439ef5837afac14a8ca3f39430f82d9b397dc9716c21c72d0"`
[INFO] running `"docker" "rm" "-f" "1847b534b37ac8f439ef5837afac14a8ca3f39430f82d9b397dc9716c21c72d0"`
[INFO] [stdout] 1847b534b37ac8f439ef5837afac14a8ca3f39430f82d9b397dc9716c21c72d0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.44.0" "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] 28e781e95d066cfcd66f500045cda78a7c47d7e12ad5e1fdec6fab7449940fef
[INFO] running `"docker" "start" "-a" "28e781e95d066cfcd66f500045cda78a7c47d7e12ad5e1fdec6fab7449940fef"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:839:9
[INFO] [stderr]     |
[INFO] [stderr] 839 |         try!(write!(self.buf, "  {}", arg.name));
[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/parser.rs:842:13
[INFO] [stderr]     |
[INFO] [stderr] 842 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:844:17
[INFO] [stderr]     |
[INFO] [stderr] 844 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:848:17
[INFO] [stderr]     |
[INFO] [stderr] 848 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:851:9
[INFO] [stderr]     |
[INFO] [stderr] 851 |         try!(wrap_text(self.buf, arg.help, TOTAL_WIDTH, OPTION_WIDTH));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:852:9
[INFO] [stderr]     |
[INFO] [stderr] 852 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:858:9
[INFO] [stderr]     |
[INFO] [stderr] 858 |         try!(write!(self.buf, "  "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:861:9
[INFO] [stderr]     |
[INFO] [stderr] 861 |         try!(write!(self.buf, "{}", name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:864:13
[INFO] [stderr]     |
[INFO] [stderr] 864 |             try!(write!(self.buf, ","));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:865:13
[INFO] [stderr]     |
[INFO] [stderr] 865 |             try!(write!(self.buf, "{}", name));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:871:17
[INFO] [stderr]     |
[INFO] [stderr] 871 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:873:17
[INFO] [stderr]     |
[INFO] [stderr] 873 |                 try!(write!(self.buf, "{}", &var.metavar[..]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:878:13
[INFO] [stderr]     |
[INFO] [stderr] 878 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:880:17
[INFO] [stderr]     |
[INFO] [stderr] 880 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:884:17
[INFO] [stderr]     |
[INFO] [stderr] 884 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:887:9
[INFO] [stderr]     |
[INFO] [stderr] 887 |         try!(wrap_text(self.buf, opt.help, TOTAL_WIDTH, OPTION_WIDTH));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:888:9
[INFO] [stderr]     |
[INFO] [stderr] 888 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:893:9
[INFO] [stderr]     |
[INFO] [stderr] 893 |         try!(self.write_usage());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:894:9
[INFO] [stderr]     |
[INFO] [stderr] 894 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:896:13
[INFO] [stderr]     |
[INFO] [stderr] 896 |             try!(wrap_text(self.buf, self.parser.description,TOTAL_WIDTH, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:897:13
[INFO] [stderr]     |
[INFO] [stderr] 897 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:902:13
[INFO] [stderr]     |
[INFO] [stderr] 902 |             try!(write!(self.buf, "\nPositional arguments:\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:904:17
[INFO] [stderr]     |
[INFO] [stderr] 904 |                 try!(self.print_argument(&**arg));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:908:21
[INFO] [stderr]     |
[INFO] [stderr] 908 |                     try!(self.print_argument(&**opt));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:916:13
[INFO] [stderr]     |
[INFO] [stderr] 916 |             try!(write!(self.buf, "\nOptional arguments:\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:918:17
[INFO] [stderr]     |
[INFO] [stderr] 918 |                 try!(self.print_option(&**opt));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:925:9
[INFO] [stderr]     |
[INFO] [stderr] 925 |         try!(write!(self.buf, "Usage:\n  "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:926:9
[INFO] [stderr]     |
[INFO] [stderr] 926 |         try!(write!(self.buf, "{}", self.name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:931:17
[INFO] [stderr]     |
[INFO] [stderr] 931 |                 try!(write!(self.buf, " [OPTIONS]"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:935:17
[INFO] [stderr]     |
[INFO] [stderr] 935 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:937:21
[INFO] [stderr]     |
[INFO] [stderr] 937 |                     try!(write!(self.buf, "["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:939:17
[INFO] [stderr]     |
[INFO] [stderr] 939 |                 try!(write!(self.buf, "{}",
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:942:21
[INFO] [stderr]     |
[INFO] [stderr] 942 |                     try!(write!(self.buf, "]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:948:21
[INFO] [stderr]     |
[INFO] [stderr] 948 |                     try!(write!(self.buf, " "));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:950:25
[INFO] [stderr]     |
[INFO] [stderr] 950 |                         try!(write!(self.buf, "["));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:952:21
[INFO] [stderr]     |
[INFO] [stderr] 952 |                     try!(write!(self.buf, "{}",
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:955:25
[INFO] [stderr]     |
[INFO] [stderr] 955 |                         try!(write!(self.buf, " ...]"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:957:25
[INFO] [stderr]     |
[INFO] [stderr] 957 |                         try!(write!(self.buf, " [...]"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:963:9
[INFO] [stderr]     |
[INFO] [stderr] 963 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             try!(buf.write(b"\n"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 try!(buf.write(b" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             try!(buf.write(b" "));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Flag(Box<IFlagAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IFlagAction + 'a`
[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/action.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Single(Box<IArgAction + 'a>),
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Push(Box<IArgsAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgsAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Many(Box<IArgsAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgsAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |     action: Box<IArgAction + 'parser>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgAction + 'parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:142:24
[INFO] [stderr]     |
[INFO] [stderr] 142 |     stderr: &'ctx mut (Write + 'ctx),
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn Write + 'ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:462:72
[INFO] [stderr]     |
[INFO] [stderr] 462 |     fn parse(parser: &ArgumentParser, args: &Vec<String>, stderr: &mut Write)
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:723:55
[INFO] [stderr]     |
[INFO] [stderr] 723 |     pub fn print_help(&self, name: &str, writer: &mut Write) -> IoResult<()> {
[INFO] [stderr]     |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:730:56
[INFO] [stderr]     |
[INFO] [stderr] 730 |     pub fn print_usage(&self, name: &str, writer: &mut Write) -> IoResult<()>
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:740:22
[INFO] [stderr]     |
[INFO] [stderr] 740 |         stdout: &mut Write, stderr: &mut Write)
[INFO] [stderr]     |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:740:42
[INFO] [stderr]     |
[INFO] [stderr] 740 |         stdout: &mut Write, stderr: &mut Write)
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:762:68
[INFO] [stderr]     |
[INFO] [stderr] 762 |     pub fn error(&self, command: &str, message: &str, writer: &mut Write) {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:817:19
[INFO] [stderr]     |
[INFO] [stderr] 817 |     buf: &'a mut (Write + 'a),
[INFO] [stderr]     |                   ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:821:74
[INFO] [stderr]     |
[INFO] [stderr] 821 |     pub fn print_usage(parser: &ArgumentParser, name: &str, writer: &mut Write)
[INFO] [stderr]     |                                                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:828:73
[INFO] [stderr]     |
[INFO] [stderr] 828 |     pub fn print_help(parser: &ArgumentParser, name: &str, writer: &mut Write)
[INFO] [stderr]     |                                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/help.rs:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn wrap_text(buf: &mut Write, data: &str, width: usize, indent: usize)
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 60 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:839:9
[INFO] [stderr]     |
[INFO] [stderr] 839 |         try!(write!(self.buf, "  {}", arg.name));
[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/parser.rs:842:13
[INFO] [stderr]     |
[INFO] [stderr] 842 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:844:17
[INFO] [stderr]     |
[INFO] [stderr] 844 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:848:17
[INFO] [stderr]     |
[INFO] [stderr] 848 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:851:9
[INFO] [stderr]     |
[INFO] [stderr] 851 |         try!(wrap_text(self.buf, arg.help, TOTAL_WIDTH, OPTION_WIDTH));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:852:9
[INFO] [stderr]     |
[INFO] [stderr] 852 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:858:9
[INFO] [stderr]     |
[INFO] [stderr] 858 |         try!(write!(self.buf, "  "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:861:9
[INFO] [stderr]     |
[INFO] [stderr] 861 |         try!(write!(self.buf, "{}", name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:864:13
[INFO] [stderr]     |
[INFO] [stderr] 864 |             try!(write!(self.buf, ","));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:865:13
[INFO] [stderr]     |
[INFO] [stderr] 865 |             try!(write!(self.buf, "{}", name));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:871:17
[INFO] [stderr]     |
[INFO] [stderr] 871 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:873:17
[INFO] [stderr]     |
[INFO] [stderr] 873 |                 try!(write!(self.buf, "{}", &var.metavar[..]));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:878:13
[INFO] [stderr]     |
[INFO] [stderr] 878 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:880:17
[INFO] [stderr]     |
[INFO] [stderr] 880 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:884:17
[INFO] [stderr]     |
[INFO] [stderr] 884 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:887:9
[INFO] [stderr]     |
[INFO] [stderr] 887 |         try!(wrap_text(self.buf, opt.help, TOTAL_WIDTH, OPTION_WIDTH));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:888:9
[INFO] [stderr]     |
[INFO] [stderr] 888 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:893:9
[INFO] [stderr]     |
[INFO] [stderr] 893 |         try!(self.write_usage());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:894:9
[INFO] [stderr]     |
[INFO] [stderr] 894 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:896:13
[INFO] [stderr]     |
[INFO] [stderr] 896 |             try!(wrap_text(self.buf, self.parser.description,TOTAL_WIDTH, 0));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:897:13
[INFO] [stderr]     |
[INFO] [stderr] 897 |             try!(write!(self.buf, "\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:902:13
[INFO] [stderr]     |
[INFO] [stderr] 902 |             try!(write!(self.buf, "\nPositional arguments:\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:904:17
[INFO] [stderr]     |
[INFO] [stderr] 904 |                 try!(self.print_argument(&**arg));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:908:21
[INFO] [stderr]     |
[INFO] [stderr] 908 |                     try!(self.print_argument(&**opt));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:916:13
[INFO] [stderr]     |
[INFO] [stderr] 916 |             try!(write!(self.buf, "\nOptional arguments:\n"));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:918:17
[INFO] [stderr]     |
[INFO] [stderr] 918 |                 try!(self.print_option(&**opt));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:925:9
[INFO] [stderr]     |
[INFO] [stderr] 925 |         try!(write!(self.buf, "Usage:\n  "));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:926:9
[INFO] [stderr]     |
[INFO] [stderr] 926 |         try!(write!(self.buf, "{}", self.name));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:931:17
[INFO] [stderr]     |
[INFO] [stderr] 931 |                 try!(write!(self.buf, " [OPTIONS]"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:935:17
[INFO] [stderr]     |
[INFO] [stderr] 935 |                 try!(write!(self.buf, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:937:21
[INFO] [stderr]     |
[INFO] [stderr] 937 |                     try!(write!(self.buf, "["));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:939:17
[INFO] [stderr]     |
[INFO] [stderr] 939 |                 try!(write!(self.buf, "{}",
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:942:21
[INFO] [stderr]     |
[INFO] [stderr] 942 |                     try!(write!(self.buf, "]"));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:948:21
[INFO] [stderr]     |
[INFO] [stderr] 948 |                     try!(write!(self.buf, " "));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:950:25
[INFO] [stderr]     |
[INFO] [stderr] 950 |                         try!(write!(self.buf, "["));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:952:21
[INFO] [stderr]     |
[INFO] [stderr] 952 |                     try!(write!(self.buf, "{}",
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:955:25
[INFO] [stderr]     |
[INFO] [stderr] 955 |                         try!(write!(self.buf, " ...]"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:957:25
[INFO] [stderr]     |
[INFO] [stderr] 957 |                         try!(write!(self.buf, " [...]"));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser.rs:963:9
[INFO] [stderr]     |
[INFO] [stderr] 963 |         try!(write!(self.buf, "\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |             try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |             try!(buf.write(b"\n"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 try!(buf.write(b" "));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             try!(buf.write(b" "));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/help.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         try!(buf.write(word.as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Flag(Box<IFlagAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IFlagAction + 'a`
[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/action.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Single(Box<IArgAction + 'a>),
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Push(Box<IArgsAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgsAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/action.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Many(Box<IArgsAction + 'a>),
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgsAction + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |     action: Box<IArgAction + 'parser>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn IArgAction + 'parser`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:142:24
[INFO] [stderr]     |
[INFO] [stderr] 142 |     stderr: &'ctx mut (Write + 'ctx),
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: use `dyn`: `dyn Write + 'ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:462:72
[INFO] [stderr]     |
[INFO] [stderr] 462 |     fn parse(parser: &ArgumentParser, args: &Vec<String>, stderr: &mut Write)
[INFO] [stderr]     |                                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:723:55
[INFO] [stderr]     |
[INFO] [stderr] 723 |     pub fn print_help(&self, name: &str, writer: &mut Write) -> IoResult<()> {
[INFO] [stderr]     |                                                       ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:730:56
[INFO] [stderr]     |
[INFO] [stderr] 730 |     pub fn print_usage(&self, name: &str, writer: &mut Write) -> IoResult<()>
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:740:22
[INFO] [stderr]     |
[INFO] [stderr] 740 |         stdout: &mut Write, stderr: &mut Write)
[INFO] [stderr]     |                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:740:42
[INFO] [stderr]     |
[INFO] [stderr] 740 |         stdout: &mut Write, stderr: &mut Write)
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:762:68
[INFO] [stderr]     |
[INFO] [stderr] 762 |     pub fn error(&self, command: &str, message: &str, writer: &mut Write) {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:817:19
[INFO] [stderr]     |
[INFO] [stderr] 817 |     buf: &'a mut (Write + 'a),
[INFO] [stderr]     |                   ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:821:74
[INFO] [stderr]     |
[INFO] [stderr] 821 |     pub fn print_usage(parser: &ArgumentParser, name: &str, writer: &mut Write)
[INFO] [stderr]     |                                                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser.rs:828:73
[INFO] [stderr]     |
[INFO] [stderr] 828 |     pub fn print_help(parser: &ArgumentParser, name: &str, writer: &mut Write)
[INFO] [stderr]     |                                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/help.rs:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn wrap_text(buf: &mut Write, data: &str, width: usize, indent: usize)
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 60 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/argparse-e36c88917b690c2c
[INFO] [stdout] 
[INFO] [stdout] running 63 tests
[INFO] [stdout] test test_help::test_arguments ... ok
[INFO] [stdout] test test_help::test_argument ... ok
[INFO] [stdout] test test_float::test_incr_decr ... ok
[INFO] [stdout] test test_bool::test_bool ... ok
[INFO] [stdout] test test_help::test_metavar ... ok
[INFO] [stdout] test test_env::test_req ... ok
[INFO] [stdout] test test_bool::test_set_bool ... ok
[INFO] [stdout] test test_help::test_req_arguments ... ok
[INFO] [stdout] test test_float::test_float ... ok
[INFO] [stdout] test test_const::test_push ... ok
[INFO] [stdout] test test_bool::test_store_true ... ok
[INFO] [stdout] test test_help::test_empty ... ok
[INFO] [stdout] test test_bool::test_store_false ... ok
[INFO] [stdout] test test_enum::test_parse_enum ... ok
[INFO] [stdout] test test_int::test_decr_int ... ok
[INFO] [stdout] test test_int::test_i16 ... ok
[INFO] [stdout] test test_many::test_collect ... ok
[INFO] [stdout] test test_int::test_incr_int ... ok
[INFO] [stdout] test test_int::test_set_int ... ok
[INFO] [stdout] test test_int::test_incr_decr ... ok
[INFO] [stdout] test test_many::test_pos_collect ... ok
[INFO] [stdout] test test_optional::test_str ... ok
[INFO] [stdout] test test_many::test_pos_list ... ok
[INFO] [stdout] test test_parser::test_no_arg ... ok
[INFO] [stdout] test test_optional::test_opt ... ok
[INFO] [stdout] test test_help::test_options ... ok
[INFO] [stdout] test test_parser::test_help ... ok
[INFO] [stdout] test test_path::test_path ... ok
[INFO] [stdout] test test_pos::test_argument ... ok
[INFO] [stdout] test test_pos::test_pos_dash ... ok
[INFO] [stdout] test test_bool::test_bad_bools2 ... ok
[INFO] [stdout] test test_pos::test_pos_opt_err ... ok
[INFO] [stdout] test test_pos::test_pos_stop ... ok
[INFO] [stdout] test test_float::test_fail ... ok
[INFO] [stdout] test test_int::test_i16_big ... ok
[INFO] [stdout] test test_env::test_required ... ok
[INFO] [stdout] test test_enum::test_parse_error ... ok
[INFO] [stdout] test test_bool::test_bad_bools1 ... ok
[INFO] [stdout] test test_pos::test_positional_optional ... ok
[INFO] [stdout] test test_pos::test_positional_required ... ok
[INFO] [stdout] test test_many::test_extra ... ok
[INFO] [stdout] test test_pos::test_two ... ok
[INFO] [stdout] test test_pos::test_test ... ok
[INFO] [stdout] test test_many::wrong_type ... ok
[INFO] [stdout] test test_pos::too_much_args ... ok
[INFO] [stdout] test test_pos::wrong_value ... ok
[INFO] [stdout] test test_str::test_err ... ok
[INFO] [stdout] test test_usage::test_argument ... ok
[INFO] [stdout] test test_usage::test_empty ... ok
[INFO] [stdout] test test_usage::test_options ... ok
[INFO] [stdout] test test_int::test_set_int_bad ... ok
[INFO] [stdout] test test_usage::test_arguments ... ok
[INFO] [stdout] test test_str::test_str ... ok
[INFO] [stdout] test test_optional::test_str_no_art ... ok
[INFO] [stdout] test test_path::test_err ... ok
[INFO] [stdout] test test_pos::float_value ... ok
[INFO] [stdout] test test_pos::test_pos_extra ... ok
[INFO] [stdout] test test_pos::test_pos_no_req ... ok
[INFO] [stdout] test test_pos::test_two_fail_many ... ok
[INFO] [stdout] test test_pos::test_two_fail_float ... ok
[INFO] [stdout] test test_optional::test_opt_no_arg ... ok
[INFO] [stdout] test test_pos::test_two_fail_value ... ok
[INFO] [stdout] test test_many::test_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 63 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests argparse
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "28e781e95d066cfcd66f500045cda78a7c47d7e12ad5e1fdec6fab7449940fef"`
[INFO] running `"docker" "rm" "-f" "28e781e95d066cfcd66f500045cda78a7c47d7e12ad5e1fdec6fab7449940fef"`
[INFO] [stdout] 28e781e95d066cfcd66f500045cda78a7c47d7e12ad5e1fdec6fab7449940fef