[INFO] fetching crate rust-calculator 0.1.0...
[INFO] checking rust-calculator-0.1.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate rust-calculator 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rust-calculator 0.1.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-calculator 0.1.0
[INFO] finished tweaking crates.io crate rust-calculator 0.1.0
[INFO] tweaked toml for crates.io crate rust-calculator 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed34daece4889ed4ddca2cb147cea16493e864c50e4fa95db09d1dd67acb51df
[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" "ed34daece4889ed4ddca2cb147cea16493e864c50e4fa95db09d1dd67acb51df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed34daece4889ed4ddca2cb147cea16493e864c50e4fa95db09d1dd67acb51df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed34daece4889ed4ddca2cb147cea16493e864c50e4fa95db09d1dd67acb51df", kill_on_drop: false }`
[INFO] [stdout] ed34daece4889ed4ddca2cb147cea16493e864c50e4fa95db09d1dd67acb51df
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d325eb3cb9125a5dec49981b64ab8fcc6c725c5523a51684b499b0c3e73eabcc
[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" "d325eb3cb9125a5dec49981b64ab8fcc6c725c5523a51684b499b0c3e73eabcc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust-calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub left: Box<Node>,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub right: Box<Node>,
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub left: Box<Node>,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub right: Box<Node>,
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub left: Box<Node>,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub right: Box<Node>,
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:77:19
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub left: Box<Node>,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub right: Box<Node>,
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub base: Box<Node>,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:97:23
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub exponent: Box<Node>
[INFO] [stdout]    |                       ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/ast.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub arg: Box<Node>
[INFO] [stdout]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/ast.rs:127:18
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub arg: Box<Node>
[INFO] [stdout]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/ast.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub arg: Box<Node>
[INFO] [stdout]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/ast.rs:152:18
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub arg: Box<Node>
[INFO] [stdout]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/ast.rs:181:20
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub value: Box<Node>
[INFO] [stdout]     |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/mod.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn parse(&mut self) -> Result<Box<ast::Node>, String> {
[INFO] [stdout]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut lhs = try!(self.atom());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let curr = try!(self.peek_token());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             try!(self.next_token());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     rhs = try!(self.expr(op_prec + 1));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:53:27
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     rhs = try!(self.expr(op_prec));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/mod.rs:29:55
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn expr(&mut self, prec: usize) -> Result<Box<ast::Node>, String> {
[INFO] [stdout]    |                                                       ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:64:15
[INFO] [stdout]    |
[INFO] [stdout] 64 |         match try!(self.peek_token()) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 try!(self.expect('('));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let e = try!(self.expr(1));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 try!(self.expect(')'));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 try!(self.next_token());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 try!(self.next_token());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 match try!(self.peek_token()) {
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:81:25
[INFO] [stdout]    |
[INFO] [stdout] 81 |                         try!(self.expect('('));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:82:33
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         let e = try!(self.expr(1));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                         try!(self.expect(')'));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:89:33
[INFO] [stdout]    |
[INFO] [stdout] 89 | ...                   try!(self.next_token());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:90:33
[INFO] [stdout]    |
[INFO] [stdout] 90 | ...                   try!(self.expect('='));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:91:44
[INFO] [stdout]    |
[INFO] [stdout] 91 | ...                   let expr = try!(self.expr(1));
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/mod.rs:62:42
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn atom(&mut self) -> Result<Box<ast::Node>, String> {
[INFO] [stdout]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:110:50
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn op (&self, op: token::Token, lhs: Box<ast::Node>, rhs: Box<ast::Node>)
[INFO] [stdout]     |                                                  ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:110:71
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn op (&self, op: token::Token, lhs: Box<ast::Node>, rhs: Box<ast::Node>)
[INFO] [stdout]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:111:20
[INFO] [stdout]     |
[INFO] [stdout] 111 |             -> Box<ast::Node> {
[INFO] [stdout]     |                    ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:149:56
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn function<'a>(&'a self, op: String, arg: Box<ast::Node>) -> Box<ast::Node> {
[INFO] [stdout]     |                                                        ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:149:75
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn function<'a>(&'a self, op: String, arg: Box<ast::Node>) -> Box<ast::Node> {
[INFO] [stdout]     |                                                                           ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         try!(self.next_token());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:188:32
[INFO] [stdout]     |
[INFO] [stdout] 188 |             self.peeked = Some(try!(self.lexer.next_token()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:198:32
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 self.current = try!(self.lexer.next_token());
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let ast = try!(p.parse());
[INFO] [stdout]   |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub left: Box<Node>,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub right: Box<Node>,
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:39:19
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub left: Box<Node>,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:40:20
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub right: Box<Node>,
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub left: Box<Node>,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:59:20
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub right: Box<Node>,
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:77:19
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub left: Box<Node>,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub right: Box<Node>,
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub base: Box<Node>,
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/ast.rs:97:23
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub exponent: Box<Node>
[INFO] [stdout]    |                       ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/ast.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub arg: Box<Node>
[INFO] [stdout]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/ast.rs:127:18
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub arg: Box<Node>
[INFO] [stdout]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/ast.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub arg: Box<Node>
[INFO] [stdout]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/ast.rs:152:18
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub arg: Box<Node>
[INFO] [stdout]     |                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/ast.rs:181:20
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub value: Box<Node>
[INFO] [stdout]     |                    ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/mod.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn parse(&mut self) -> Result<Box<ast::Node>, String> {
[INFO] [stdout]    |                                           ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let mut lhs = try!(self.atom());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:33:24
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let curr = try!(self.peek_token());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             try!(self.next_token());
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:50:27
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     rhs = try!(self.expr(op_prec + 1));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:53:27
[INFO] [stdout]    |
[INFO] [stdout] 53 |                     rhs = try!(self.expr(op_prec));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/mod.rs:29:55
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn expr(&mut self, prec: usize) -> Result<Box<ast::Node>, String> {
[INFO] [stdout]    |                                                       ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:64:15
[INFO] [stdout]    |
[INFO] [stdout] 64 |         match try!(self.peek_token()) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 try!(self.expect('('));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let e = try!(self.expr(1));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:69:17
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 try!(self.expect(')'));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 try!(self.next_token());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 try!(self.next_token());
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 match try!(self.peek_token()) {
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:81:25
[INFO] [stdout]    |
[INFO] [stdout] 81 |                         try!(self.expect('('));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:82:33
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         let e = try!(self.expr(1));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                         try!(self.expect(')'));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:89:33
[INFO] [stdout]    |
[INFO] [stdout] 89 | ...                   try!(self.next_token());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:90:33
[INFO] [stdout]    |
[INFO] [stdout] 90 | ...                   try!(self.expect('='));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:91:44
[INFO] [stdout]    |
[INFO] [stdout] 91 | ...                   let expr = try!(self.expr(1));
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser/mod.rs:62:42
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn atom(&mut self) -> Result<Box<ast::Node>, String> {
[INFO] [stdout]    |                                          ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:110:50
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn op (&self, op: token::Token, lhs: Box<ast::Node>, rhs: Box<ast::Node>)
[INFO] [stdout]     |                                                  ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:110:71
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn op (&self, op: token::Token, lhs: Box<ast::Node>, rhs: Box<ast::Node>)
[INFO] [stdout]     |                                                                       ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:111:20
[INFO] [stdout]     |
[INFO] [stdout] 111 |             -> Box<ast::Node> {
[INFO] [stdout]     |                    ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:149:56
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn function<'a>(&'a self, op: String, arg: Box<ast::Node>) -> Box<ast::Node> {
[INFO] [stdout]     |                                                        ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parser/mod.rs:149:75
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn function<'a>(&'a self, op: String, arg: Box<ast::Node>) -> Box<ast::Node> {
[INFO] [stdout]     |                                                                           ^^^^^^^^^ help: use `dyn`: `dyn ast::Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         try!(self.next_token());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:188:32
[INFO] [stdout]     |
[INFO] [stdout] 188 |             self.peeked = Some(try!(self.lexer.next_token()));
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/parser/mod.rs:198:32
[INFO] [stdout]     |
[INFO] [stdout] 198 |                 self.current = try!(self.lexer.next_token());
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let ast = try!(p.parse());
[INFO] [stdout]   |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/main.rs:38:45
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 let expression_text = input.trim_right();
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/main.rs:38:45
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 let expression_text = input.trim_right();
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "d325eb3cb9125a5dec49981b64ab8fcc6c725c5523a51684b499b0c3e73eabcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d325eb3cb9125a5dec49981b64ab8fcc6c725c5523a51684b499b0c3e73eabcc", kill_on_drop: false }`
[INFO] [stdout] d325eb3cb9125a5dec49981b64ab8fcc6c725c5523a51684b499b0c3e73eabcc