[INFO] updating cached repository https://github.com/Phoenya/calculator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8daad40a0c5fc2a6c76a3b9a7a5e930c20afb523
[INFO] testing Phoenya/calculator against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhoenya%2Fcalculator" "work/builds/worker-10/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Phoenya/calculator on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Phoenya/calculator
[INFO] finished tweaking git repo https://github.com/Phoenya/calculator
[INFO] tweaked toml for git repo https://github.com/Phoenya/calculator written to work/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Phoenya/calculator already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 9709bbf69abf0c356b3266e1dbaa5b3793bb299a21a1a123077bd5375d77b3db
[INFO] running `"docker" "start" "-a" "9709bbf69abf0c356b3266e1dbaa5b3793bb299a21a1a123077bd5375d77b3db"`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:30:23
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut lhs = try!(self.atom());
[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/mod.rs:33:24
[INFO] [stderr]    |
[INFO] [stderr] 33 |             let curr = try!(self.peek_token());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             try!(self.next_token());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:50:27
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     rhs = try!(self.expr(op_prec + 1));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:53:27
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     rhs = try!(self.expr(op_prec));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:64:15
[INFO] [stderr]    |
[INFO] [stderr] 64 |         match try!(self.peek_token()) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 try!(self.expect('('));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 let e = try!(self.expr(1));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 try!(self.expect(')'));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 try!(self.next_token());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 try!(self.next_token());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:78:23
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 match try!(self.peek_token()) {
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:80:25
[INFO] [stderr]    |
[INFO] [stderr] 80 |                         try!(self.expect('('));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:81:33
[INFO] [stderr]    |
[INFO] [stderr] 81 |                         let e = try!(self.expr(1));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |                         try!(self.expect(')'));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:88:33
[INFO] [stderr]    |
[INFO] [stderr] 88 | ...                   try!(self.next_token());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:89:33
[INFO] [stderr]    |
[INFO] [stderr] 89 | ...                   try!(self.expect('='));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:90:44
[INFO] [stderr]    |
[INFO] [stderr] 90 | ...                   let expr = try!(self.expr(1));
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(self.next_token());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:187:32
[INFO] [stderr]     |
[INFO] [stderr] 187 |             self.peeked = Some(try!(self.lexer.next_token()));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:197:32
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 self.current = try!(self.lexer.next_token());
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/main.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let ast = try!(p.parse());
[INFO] [stderr]   |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[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/parser/ast.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:40:20
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:58:19
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:77:19
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:78:20
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:96:19
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub base: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:97:23
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub exponent: Box<Node>
[INFO] [stderr]    |                       ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:127:18
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:140:18
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:152:18
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:181:20
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub value: Box<Node>
[INFO] [stderr]     |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/mod.rs:25:43
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn parse(&mut self) -> Result<Box<ast::Node>, String> {
[INFO] [stderr]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/mod.rs:29:55
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn expr(&mut self, prec: usize) -> Result<Box<ast::Node>, String> {
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/mod.rs:62:42
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn atom(&mut self) -> Result<Box<ast::Node>, String> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:109:50
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn op (&self, op: token::Token, lhs: Box<ast::Node>, rhs: Box<ast::Node>)
[INFO] [stderr]     |                                                  ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:109:71
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn op (&self, op: token::Token, lhs: Box<ast::Node>, rhs: Box<ast::Node>)
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:110:20
[INFO] [stderr]     |
[INFO] [stderr] 110 |             -> Box<ast::Node> {
[INFO] [stderr]     |                    ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:148:56
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn function<'a>(&'a self, op: String, arg: Box<ast::Node>) -> Box<ast::Node> {
[INFO] [stderr]     |                                                        ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:148:75
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn function<'a>(&'a self, op: String, arg: Box<ast::Node>) -> Box<ast::Node> {
[INFO] [stderr]     |                                                                           ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:38:45
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 let expression_text = input.trim_right();
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "9709bbf69abf0c356b3266e1dbaa5b3793bb299a21a1a123077bd5375d77b3db"`
[INFO] running `"docker" "rm" "-f" "9709bbf69abf0c356b3266e1dbaa5b3793bb299a21a1a123077bd5375d77b3db"`
[INFO] [stdout] 9709bbf69abf0c356b3266e1dbaa5b3793bb299a21a1a123077bd5375d77b3db
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4ba5a72c47fa3f8b7bdc39ac377823a406743618bc3eb4007c802194ac1b9fe5
[INFO] running `"docker" "start" "-a" "4ba5a72c47fa3f8b7bdc39ac377823a406743618bc3eb4007c802194ac1b9fe5"`
[INFO] [stderr]    Compiling calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:30:23
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let mut lhs = try!(self.atom());
[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/mod.rs:33:24
[INFO] [stderr]    |
[INFO] [stderr] 33 |             let curr = try!(self.peek_token());
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             try!(self.next_token());
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:50:27
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     rhs = try!(self.expr(op_prec + 1));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:53:27
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     rhs = try!(self.expr(op_prec));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:64:15
[INFO] [stderr]    |
[INFO] [stderr] 64 |         match try!(self.peek_token()) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 try!(self.expect('('));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:68:25
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 let e = try!(self.expr(1));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:69:17
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 try!(self.expect(')'));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:73:17
[INFO] [stderr]    |
[INFO] [stderr] 73 |                 try!(self.next_token());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 try!(self.next_token());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:78:23
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 match try!(self.peek_token()) {
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:80:25
[INFO] [stderr]    |
[INFO] [stderr] 80 |                         try!(self.expect('('));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:81:33
[INFO] [stderr]    |
[INFO] [stderr] 81 |                         let e = try!(self.expr(1));
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |                         try!(self.expect(')'));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:88:33
[INFO] [stderr]    |
[INFO] [stderr] 88 | ...                   try!(self.next_token());
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:89:33
[INFO] [stderr]    |
[INFO] [stderr] 89 | ...                   try!(self.expect('='));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/parser/mod.rs:90:44
[INFO] [stderr]    |
[INFO] [stderr] 90 | ...                   let expr = try!(self.expr(1));
[INFO] [stderr]    |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |         try!(self.next_token());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:187:32
[INFO] [stderr]     |
[INFO] [stderr] 187 |             self.peeked = Some(try!(self.lexer.next_token()));
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/parser/mod.rs:197:32
[INFO] [stderr]     |
[INFO] [stderr] 197 |                 self.current = try!(self.lexer.next_token());
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]  --> src/main.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let ast = try!(p.parse());
[INFO] [stderr]   |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[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/parser/ast.rs:21:20
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:40:20
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:58:19
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:77:19
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub left: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:78:20
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub right: Box<Node>,
[INFO] [stderr]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:96:19
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub base: Box<Node>,
[INFO] [stderr]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/ast.rs:97:23
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub exponent: Box<Node>
[INFO] [stderr]    |                       ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:115:18
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:127:18
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:140:18
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:152:18
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub arg: Box<Node>
[INFO] [stderr]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/ast.rs:181:20
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub value: Box<Node>
[INFO] [stderr]     |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/mod.rs:25:43
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn parse(&mut self) -> Result<Box<ast::Node>, String> {
[INFO] [stderr]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/mod.rs:29:55
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn expr(&mut self, prec: usize) -> Result<Box<ast::Node>, String> {
[INFO] [stderr]    |                                                       ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/mod.rs:62:42
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn atom(&mut self) -> Result<Box<ast::Node>, String> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:109:50
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn op (&self, op: token::Token, lhs: Box<ast::Node>, rhs: Box<ast::Node>)
[INFO] [stderr]     |                                                  ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:109:71
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn op (&self, op: token::Token, lhs: Box<ast::Node>, rhs: Box<ast::Node>)
[INFO] [stderr]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:110:20
[INFO] [stderr]     |
[INFO] [stderr] 110 |             -> Box<ast::Node> {
[INFO] [stderr]     |                    ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:148:56
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn function<'a>(&'a self, op: String, arg: Box<ast::Node>) -> Box<ast::Node> {
[INFO] [stderr]     |                                                        ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser/mod.rs:148:75
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn function<'a>(&'a self, op: String, arg: Box<ast::Node>) -> Box<ast::Node> {
[INFO] [stderr]     |                                                                           ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:38:45
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 let expression_text = input.trim_right();
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "4ba5a72c47fa3f8b7bdc39ac377823a406743618bc3eb4007c802194ac1b9fe5"`
[INFO] running `"docker" "rm" "-f" "4ba5a72c47fa3f8b7bdc39ac377823a406743618bc3eb4007c802194ac1b9fe5"`
[INFO] [stdout] 4ba5a72c47fa3f8b7bdc39ac377823a406743618bc3eb4007c802194ac1b9fe5
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] abad3d41469ed60f8b11628141e9b44f632ccc8910759747fde8a7d1a5e4207c
[INFO] running `"docker" "start" "-a" "abad3d41469ed60f8b11628141e9b44f632ccc8910759747fde8a7d1a5e4207c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/calculator-19552b1dde6bf39b
[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" "abad3d41469ed60f8b11628141e9b44f632ccc8910759747fde8a7d1a5e4207c"`
[INFO] running `"docker" "rm" "-f" "abad3d41469ed60f8b11628141e9b44f632ccc8910759747fde8a7d1a5e4207c"`
[INFO] [stdout] abad3d41469ed60f8b11628141e9b44f632ccc8910759747fde8a7d1a5e4207c