[INFO] cloning repository https://github.com/marcianx/parse-math
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcianx/parse-math" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcianx%2Fparse-math", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcianx%2Fparse-math'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0641735325b5d5ad4a15d758a62988ed60717716
[INFO] testing marcianx/parse-math against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcianx%2Fparse-math" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcianx/parse-math on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marcianx/parse-math
[INFO] finished tweaking git repo https://github.com/marcianx/parse-math
[INFO] tweaked toml for git repo https://github.com/marcianx/parse-math written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/marcianx/parse-math already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ac1db79988646bc786c1450e45e5df1ed3dfb37bbcb7dc0fdfa573b7406e912
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ac1db79988646bc786c1450e45e5df1ed3dfb37bbcb7dc0fdfa573b7406e912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ac1db79988646bc786c1450e45e5df1ed3dfb37bbcb7dc0fdfa573b7406e912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ac1db79988646bc786c1450e45e5df1ed3dfb37bbcb7dc0fdfa573b7406e912", kill_on_drop: false }`
[INFO] [stdout] 5ac1db79988646bc786c1450e45e5df1ed3dfb37bbcb7dc0fdfa573b7406e912
[INFO] running `Command { std: "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=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3b474df829c382e6f75b421b75495c22f150e25f24c83be70188bca762c0d2f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3b474df829c382e6f75b421b75495c22f150e25f24c83be70188bca762c0d2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling parse-math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         try!(f.write_fmt(format_args!("{:3}:{:width$} ", self.0.pos, "", width=indent)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 try!(f.write_fmt(format_args!("{}()\n", s)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 try!(f.write_fmt(format_args!("{}\n", ch)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 try!(arg1.as_tree().format(f, indent + INDENT));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 try!(f.write_fmt(format_args!("{} (prefix)\n", ch)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 try!(f.write_fmt(format_args!("{} (postfix)\n", ch)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 try!(Display::fmt("()\n", f));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:108:45
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let token = Token { typ: Number(try!(FromStr::from_str(&self.text[..n]))), pos: self.pos };
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         try!(self.parse_e());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         try!(self.expect(TokenType::End));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |         self.next = try!(self.lexer.next_token());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             try!(self.consume());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(self.parse_p());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 try!(self.consume());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 try!(self.parse_p());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 try!(self.consume());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 try!(self.consume());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 try!(self.consume());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     let t = try!(self.parse_parens(pos));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:135:25
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let t = try!(self.parse_parens(pos));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     try!(self.consume());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     try!(self.parse_p());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         try!(self.consume());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         try!(self.parse_e());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(self.expect(TokenType::OpSingle(')')));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:206:16
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let next = try!(lexer.next_token());
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stdout] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stdout] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stdout] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stdout] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 |           &ParseError::Float(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lexer.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 msg.push_str(err.description());
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.37s
[INFO] running `Command { std: "docker" "inspect" "e3b474df829c382e6f75b421b75495c22f150e25f24c83be70188bca762c0d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b474df829c382e6f75b421b75495c22f150e25f24c83be70188bca762c0d2f", kill_on_drop: false }`
[INFO] [stdout] e3b474df829c382e6f75b421b75495c22f150e25f24c83be70188bca762c0d2f
[INFO] running `Command { std: "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=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5c329a6353aace13e73cac4abc03c362e008dd9eb1557e6ae70e05954a6c2104
[INFO] running `Command { std: "docker" "start" "-a" "5c329a6353aace13e73cac4abc03c362e008dd9eb1557e6ae70e05954a6c2104", kill_on_drop: false }`
[INFO] [stderr]    Compiling parse-math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         try!(f.write_fmt(format_args!("{:3}:{:width$} ", self.0.pos, "", width=indent)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 try!(f.write_fmt(format_args!("{}()\n", s)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 try!(f.write_fmt(format_args!("{}\n", ch)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 try!(arg1.as_tree().format(f, indent + INDENT));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 try!(f.write_fmt(format_args!("{} (prefix)\n", ch)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 try!(f.write_fmt(format_args!("{} (postfix)\n", ch)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 try!(Display::fmt("()\n", f));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:108:45
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let token = Token { typ: Number(try!(FromStr::from_str(&self.text[..n]))), pos: self.pos };
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         try!(self.parse_e());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         try!(self.expect(TokenType::End));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |         self.next = try!(self.lexer.next_token());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             try!(self.consume());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(self.parse_p());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 try!(self.consume());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 try!(self.parse_p());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 try!(self.consume());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 try!(self.consume());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 try!(self.consume());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     let t = try!(self.parse_parens(pos));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:135:25
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let t = try!(self.parse_parens(pos));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     try!(self.consume());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     try!(self.parse_p());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         try!(self.consume());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         try!(self.parse_e());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(self.expect(TokenType::OpSingle(')')));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:206:16
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let next = try!(lexer.next_token());
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stdout] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stdout] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stdout] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stdout] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 |           &ParseError::Float(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lexer.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 msg.push_str(err.description());
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         try!(f.write_fmt(format_args!("{:3}:{:width$} ", self.0.pos, "", width=indent)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 try!(f.write_fmt(format_args!("{}()\n", s)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 try!(f.write_fmt(format_args!("{}\n", ch)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 try!(arg1.as_tree().format(f, indent + INDENT));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 try!(f.write_fmt(format_args!("{} (prefix)\n", ch)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 try!(f.write_fmt(format_args!("{} (postfix)\n", ch)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/ast.rs:95:17
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 try!(Display::fmt("()\n", f));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lexer.rs:108:45
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let token = Token { typ: Number(try!(FromStr::from_str(&self.text[..n]))), pos: self.pos };
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         try!(self.parse_e());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         try!(self.expect(TokenType::End));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |         self.next = try!(self.lexer.next_token());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             try!(self.consume());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(self.parse_p());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/shuntingyard.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 try!(self.consume());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 try!(self.parse_p());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 try!(self.consume());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 try!(self.consume());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |                 try!(self.consume());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:127:29
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     let t = try!(self.parse_parens(pos));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:135:25
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let t = try!(self.parse_parens(pos));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     try!(self.consume());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     try!(self.parse_p());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |         try!(self.consume());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         try!(self.parse_e());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(self.expect(TokenType::OpSingle(')')));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/shuntingyard.rs:206:16
[INFO] [stdout]     |
[INFO] [stdout] 206 |     let next = try!(lexer.next_token());
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         error::Error::description(self).fmt(f)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stdout] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stdout] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stdout] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / lazy_static! {
[INFO] [stdout] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stdout] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:24:46
[INFO] [stdout]    |
[INFO] [stdout] 24 |           &ParseError::Float(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lexer.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 msg.push_str(err.description());
[INFO] [stdout]    |                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "5c329a6353aace13e73cac4abc03c362e008dd9eb1557e6ae70e05954a6c2104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c329a6353aace13e73cac4abc03c362e008dd9eb1557e6ae70e05954a6c2104", kill_on_drop: false }`
[INFO] [stdout] 5c329a6353aace13e73cac4abc03c362e008dd9eb1557e6ae70e05954a6c2104
[INFO] running `Command { std: "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=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a1f94a8975944e87c5770753f75a6f47aaeda3a176bfc32864eac4a9d89409cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a1f94a8975944e87c5770753f75a6f47aaeda3a176bfc32864eac4a9d89409cf", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ast.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         try!(f.write_fmt(format_args!("{:3}:{:width$} ", self.0.pos, "", width=indent)));
[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/ast.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 try!(f.write_fmt(format_args!("{}()\n", s)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ast.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 try!(f.write_fmt(format_args!("{}\n", ch)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ast.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 try!(arg1.as_tree().format(f, indent + INDENT));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ast.rs:87:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 try!(f.write_fmt(format_args!("{} (prefix)\n", ch)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ast.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 try!(f.write_fmt(format_args!("{} (postfix)\n", ch)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ast.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 try!(Display::fmt("()\n", f));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:108:45
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let token = Token { typ: Number(try!(FromStr::from_str(&self.text[..n]))), pos: self.pos };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/shuntingyard.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(self.parse_e());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/shuntingyard.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         try!(self.expect(TokenType::End));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/shuntingyard.rs:80:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |         self.next = try!(self.lexer.next_token());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/shuntingyard.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             try!(self.consume());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/shuntingyard.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(self.parse_p());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/shuntingyard.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 try!(self.consume());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 try!(self.parse_p());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 try!(self.consume());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |                 try!(self.consume());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 try!(self.consume());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:127:29
[INFO] [stderr]     |
[INFO] [stderr] 127 |                     let t = try!(self.parse_parens(pos));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:135:25
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let t = try!(self.parse_parens(pos));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:141:21
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     try!(self.consume());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:142:21
[INFO] [stderr]     |
[INFO] [stderr] 142 |                     try!(self.parse_p());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |         try!(self.consume());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         try!(self.parse_e());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         try!(self.expect(TokenType::OpSingle(')')));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:206:16
[INFO] [stderr]     |
[INFO] [stderr] 206 |     let next = try!(lexer.next_token());
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         error::Error::description(self).fmt(f)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stderr] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stderr] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stderr] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stderr] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:24:46
[INFO] [stderr]    |
[INFO] [stderr] 24 |           &ParseError::Float(ref err) => err.description(),
[INFO] [stderr]    |                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lexer.rs:76:34
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 msg.push_str(err.description());
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ast.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         try!(f.write_fmt(format_args!("{:3}:{:width$} ", self.0.pos, "", width=indent)));
[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/ast.rs:78:17
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 try!(f.write_fmt(format_args!("{}()\n", s)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ast.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 try!(f.write_fmt(format_args!("{}\n", ch)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ast.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 try!(arg1.as_tree().format(f, indent + INDENT));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ast.rs:87:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 try!(f.write_fmt(format_args!("{} (prefix)\n", ch)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ast.rs:91:17
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 try!(f.write_fmt(format_args!("{} (postfix)\n", ch)));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/ast.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 try!(Display::fmt("()\n", f));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lexer.rs:108:45
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let token = Token { typ: Number(try!(FromStr::from_str(&self.text[..n]))), pos: self.pos };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/shuntingyard.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         try!(self.parse_e());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/shuntingyard.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         try!(self.expect(TokenType::End));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/shuntingyard.rs:80:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |         self.next = try!(self.lexer.next_token());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/shuntingyard.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             try!(self.consume());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/shuntingyard.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(self.parse_p());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/shuntingyard.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 try!(self.consume());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 try!(self.parse_p());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:106:17
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 try!(self.consume());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |                 try!(self.consume());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:124:17
[INFO] [stderr]     |
[INFO] [stderr] 124 |                 try!(self.consume());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:127:29
[INFO] [stderr]     |
[INFO] [stderr] 127 |                     let t = try!(self.parse_parens(pos));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:135:25
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let t = try!(self.parse_parens(pos));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:141:21
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     try!(self.consume());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:142:21
[INFO] [stderr]     |
[INFO] [stderr] 142 |                     try!(self.parse_p());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |         try!(self.consume());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |         try!(self.parse_e());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         try!(self.expect(TokenType::OpSingle(')')));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shuntingyard.rs:206:16
[INFO] [stderr]     |
[INFO] [stderr] 206 |     let next = try!(lexer.next_token());
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         error::Error::description(self).fmt(f)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stderr] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stderr] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stderr] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / lazy_static! {
[INFO] [stderr] 12 | |     static ref REGEX_NUMBER: Regex = Regex::new(r"^[+-]?\d+(?:\.\d*)?(?:[eE]\d+)?").unwrap();
[INFO] [stderr] 13 | |     static ref REGEX_IDENT:  Regex = Regex::new(r"^[a-zA-Z]+").unwrap();
[INFO] [stderr] 14 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:24:46
[INFO] [stderr]    |
[INFO] [stderr] 24 |           &ParseError::Float(ref err) => err.description(),
[INFO] [stderr]    |                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/lexer.rs:76:34
[INFO] [stderr]    |
[INFO] [stderr] 76 |                 msg.push_str(err.description());
[INFO] [stderr]    |                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parse_math-e7156678293b0be7
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test shuntingyard::test::test ... ok
[INFO] [stdout] test lexer::test::test_lexer_iter_eq ... ok
[INFO] [stdout] test lexer::test::test_print_tokens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests parse-math
[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 `Command { std: "docker" "inspect" "a1f94a8975944e87c5770753f75a6f47aaeda3a176bfc32864eac4a9d89409cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f94a8975944e87c5770753f75a6f47aaeda3a176bfc32864eac4a9d89409cf", kill_on_drop: false }`
[INFO] [stdout] a1f94a8975944e87c5770753f75a6f47aaeda3a176bfc32864eac4a9d89409cf