[INFO] fetching crate meval 0.2.0...
[INFO] testing meval-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate meval 0.2.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate meval 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate meval 0.2.0
[INFO] finished tweaking crates.io crate meval 0.2.0
[INFO] tweaked toml for crates.io crate meval 0.2.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c2476917af12276a4d62c559fb47766a38844b632ea927930c5e38139012b45
[INFO] running `Command { std: "docker" "start" "-a" "2c2476917af12276a4d62c559fb47766a38844b632ea927930c5e38139012b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c2476917af12276a4d62c559fb47766a38844b632ea927930c5e38139012b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c2476917af12276a4d62c559fb47766a38844b632ea927930c5e38139012b45", kill_on_drop: false }`
[INFO] [stdout] 2c2476917af12276a4d62c559fb47766a38844b632ea927930c5e38139012b45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d99e878bc58a24711953a19872f4addf30fac5ef430e6e96dc64039cef9be26e
[INFO] running `Command { std: "docker" "start" "-a" "d99e878bc58a24711953a19872f4addf30fac5ef430e6e96dc64039cef9be26e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling meval v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         try!(self.check_context(((var, 0.), &ctx)));
[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/expr.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         try!(self.check_context(([(var1, 0.), (var2, 0.)], &ctx)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         try!(self.check_context(([(var1, 0.), (var2, 0.), (var3, 0.)], &ctx)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         try!(self.check_context(([(var1, 0.), (var2, 0.), (var3, 0.), (var4, 0.)], &ctx)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         try!(self.check_context((
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 |         try!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:424:16
[INFO] [stdout]     |
[INFO] [stdout] 424 |     let expr = try!(Expr::from_str(expr.as_ref()));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:433:22
[INFO] [stdout]     |
[INFO] [stdout] 433 |         let tokens = try!(tokenize(s));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:435:19
[INFO] [stdout]     |
[INFO] [stdout] 435 |         let rpn = try!(to_rpn(&tokens));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:448:16
[INFO] [stdout]     |
[INFO] [stdout] 448 |     let expr = try!(Expr::from_str(expr.as_ref()));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/tokenizer.rs:142:1
[INFO] [stdout]     |
[INFO] [stdout] 142 | /// Parse `func(`, returns `func`.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Needed` is imported redundantly
[INFO] [stdout]    --> src/tokenizer.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 8   | use nom::{multispace, slice_to_offsets, IResult, Needed};
[INFO] [stdout]     |                                                  ------ the item `Needed` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 115 |     use nom::{ErrorKind, Needed};
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Some(b'a'...b'z') | Some(b'A'...b'Z') | Some(b'_') => {
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:119:38
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Some(b'a'...b'z') | Some(b'A'...b'Z') | Some(b'_') => {
[INFO] [stdout]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:124:39
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stdout]     |                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:124:60
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stdout]     |                                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 try!(write!(f, "Parse error: "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:237:17
[INFO] [stdout]     |
[INFO] [stdout] 237 |                 try!(write!(f, "RPN error: "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/expr.rs:832:27
[INFO] [stdout]     |
[INFO] [stdout] 832 | type GuardedFunc<'a> = Rc<Fn(&[f64]) -> Result<f64, FuncEvalError> + 'a>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 832 - type GuardedFunc<'a> = Rc<Fn(&[f64]) -> Result<f64, FuncEvalError> + 'a>;
[INFO] [stdout] 832 + type GuardedFunc<'a> = Rc<dyn Fn(&[f64]) -> Result<f64, FuncEvalError> + 'a>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:266:32
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 266 -     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout] 266 +     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:261:43
[INFO] [stdout]     |
[INFO] [stdout] 261 |             Error::ParseError(ref e) => e.description(),
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:262:41
[INFO] [stdout]     |
[INFO] [stdout] 262 |             Error::RPNError(ref e) => e.description(),
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "d99e878bc58a24711953a19872f4addf30fac5ef430e6e96dc64039cef9be26e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99e878bc58a24711953a19872f4addf30fac5ef430e6e96dc64039cef9be26e", kill_on_drop: false }`
[INFO] [stdout] d99e878bc58a24711953a19872f4addf30fac5ef430e6e96dc64039cef9be26e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99389eb15e492ce4bf33a5ba425db0d5b6f4be29ec9fb845f14c012c7d7644c3
[INFO] running `Command { std: "docker" "start" "-a" "99389eb15e492ce4bf33a5ba425db0d5b6f4be29ec9fb845f14c012c7d7644c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_test v1.0.136
[INFO] [stderr]    Compiling gnuplot v0.0.23
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         try!(self.check_context(((var, 0.), &ctx)));
[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/expr.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         try!(self.check_context(([(var1, 0.), (var2, 0.)], &ctx)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         try!(self.check_context(([(var1, 0.), (var2, 0.), (var3, 0.)], &ctx)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         try!(self.check_context(([(var1, 0.), (var2, 0.), (var3, 0.), (var4, 0.)], &ctx)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         try!(self.check_context((
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 |         try!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:424:16
[INFO] [stdout]     |
[INFO] [stdout] 424 |     let expr = try!(Expr::from_str(expr.as_ref()));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:433:22
[INFO] [stdout]     |
[INFO] [stdout] 433 |         let tokens = try!(tokenize(s));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:435:19
[INFO] [stdout]     |
[INFO] [stdout] 435 |         let rpn = try!(to_rpn(&tokens));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:448:16
[INFO] [stdout]     |
[INFO] [stdout] 448 |     let expr = try!(Expr::from_str(expr.as_ref()));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/tokenizer.rs:142:1
[INFO] [stdout]     |
[INFO] [stdout] 142 | /// Parse `func(`, returns `func`.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Needed` is imported redundantly
[INFO] [stdout]    --> src/tokenizer.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 8   | use nom::{multispace, slice_to_offsets, IResult, Needed};
[INFO] [stdout]     |                                                  ------ the item `Needed` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 115 |     use nom::{ErrorKind, Needed};
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Some(b'a'...b'z') | Some(b'A'...b'Z') | Some(b'_') => {
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:119:38
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Some(b'a'...b'z') | Some(b'A'...b'Z') | Some(b'_') => {
[INFO] [stdout]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:124:39
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stdout]     |                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:124:60
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stdout]     |                                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 try!(write!(f, "Parse error: "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:237:17
[INFO] [stdout]     |
[INFO] [stdout] 237 |                 try!(write!(f, "RPN error: "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/expr.rs:832:27
[INFO] [stdout]     |
[INFO] [stdout] 832 | type GuardedFunc<'a> = Rc<Fn(&[f64]) -> Result<f64, FuncEvalError> + 'a>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 832 - type GuardedFunc<'a> = Rc<Fn(&[f64]) -> Result<f64, FuncEvalError> + 'a>;
[INFO] [stdout] 832 + type GuardedFunc<'a> = Rc<dyn Fn(&[f64]) -> Result<f64, FuncEvalError> + 'a>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:266:32
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 266 -     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout] 266 +     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:261:43
[INFO] [stdout]     |
[INFO] [stdout] 261 |             Error::ParseError(ref e) => e.description(),
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:262:41
[INFO] [stdout]     |
[INFO] [stdout] 262 |             Error::RPNError(ref e) => e.description(),
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling meval v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         try!(self.check_context(((var, 0.), &ctx)));
[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/expr.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         try!(self.check_context(([(var1, 0.), (var2, 0.)], &ctx)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         try!(self.check_context(([(var1, 0.), (var2, 0.), (var3, 0.)], &ctx)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |         try!(self.check_context(([(var1, 0.), (var2, 0.), (var3, 0.), (var4, 0.)], &ctx)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         try!(self.check_context((
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 |         try!(
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:424:16
[INFO] [stdout]     |
[INFO] [stdout] 424 |     let expr = try!(Expr::from_str(expr.as_ref()));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:433:22
[INFO] [stdout]     |
[INFO] [stdout] 433 |         let tokens = try!(tokenize(s));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:435:19
[INFO] [stdout]     |
[INFO] [stdout] 435 |         let rpn = try!(to_rpn(&tokens));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/expr.rs:448:16
[INFO] [stdout]     |
[INFO] [stdout] 448 |     let expr = try!(Expr::from_str(expr.as_ref()));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/tokenizer.rs:142:1
[INFO] [stdout]     |
[INFO] [stdout] 142 | /// Parse `func(`, returns `func`.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Needed` is imported redundantly
[INFO] [stdout]    --> src/tokenizer.rs:115:26
[INFO] [stdout]     |
[INFO] [stdout] 8   | use nom::{multispace, slice_to_offsets, IResult, Needed};
[INFO] [stdout]     |                                                  ------ the item `Needed` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 115 |     use nom::{ErrorKind, Needed};
[INFO] [stdout]     |                          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Some(b'a'...b'z') | Some(b'A'...b'Z') | Some(b'_') => {
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:119:38
[INFO] [stdout]     |
[INFO] [stdout] 119 |         Some(b'a'...b'z') | Some(b'A'...b'Z') | Some(b'_') => {
[INFO] [stdout]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:124:39
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stdout]     |                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/tokenizer.rs:124:60
[INFO] [stdout]     |
[INFO] [stdout] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stdout]     |                                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 try!(write!(f, "Parse error: "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:237:17
[INFO] [stdout]     |
[INFO] [stdout] 237 |                 try!(write!(f, "RPN error: "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/expr.rs:832:27
[INFO] [stdout]     |
[INFO] [stdout] 832 | type GuardedFunc<'a> = Rc<Fn(&[f64]) -> Result<f64, FuncEvalError> + 'a>;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 832 - type GuardedFunc<'a> = Rc<Fn(&[f64]) -> Result<f64, FuncEvalError> + 'a>;
[INFO] [stdout] 832 + type GuardedFunc<'a> = Rc<dyn Fn(&[f64]) -> Result<f64, FuncEvalError> + 'a>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:266:32
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 266 -     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout] 266 +     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:261:43
[INFO] [stdout]     |
[INFO] [stdout] 261 |             Error::ParseError(ref e) => e.description(),
[INFO] [stdout]     |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:262:41
[INFO] [stdout]     |
[INFO] [stdout] 262 |             Error::RPNError(ref e) => e.description(),
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.12s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/meval-8ef4d4f4abeafd93)
[INFO] running `Command { std: "docker" "inspect" "99389eb15e492ce4bf33a5ba425db0d5b6f4be29ec9fb845f14c012c7d7644c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99389eb15e492ce4bf33a5ba425db0d5b6f4be29ec9fb845f14c012c7d7644c3", kill_on_drop: false }`
[INFO] [stdout] 99389eb15e492ce4bf33a5ba425db0d5b6f4be29ec9fb845f14c012c7d7644c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c1386f61921cb2b4c2619a7137fbbff8afdabf1bdcc3bb48699c06a4072bd83
[INFO] running `Command { std: "docker" "start" "-a" "4c1386f61921cb2b4c2619a7137fbbff8afdabf1bdcc3bb48699c06a4072bd83", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] 
[INFO] [stderr]    --> src/expr.rs:136:9
[INFO] [stdout] running 11 tests
[INFO] [stderr]     |
[INFO] [stdout] test expr::tests::hash_context ... ok
[INFO] [stderr] 136 |         try!(self.check_context(((var, 0.), &ctx)));
[INFO] [stdout] test shunting_yard::tests::test_to_rpn ... ok
[INFO] [stderr]     |         ^^^
[INFO] [stdout] test tokenizer::tests::it_works ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tokenizer::tests::test_func ... ok
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] test tokenizer::tests::test_number ... ok
[INFO] [stderr] 
[INFO] [stdout] test expr::tests::test_eval_func_ctx ... ok
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test tokenizer::tests::test_var ... ok
[INFO] [stderr]    --> src/expr.rs:174:9
[INFO] [stdout] test tokenizer::tests::test_tokenize ... ok
[INFO] [stderr]     |
[INFO] [stdout] test expr::tests::test_bind ... ok
[INFO] [stderr] 174 |         try!(self.check_context(([(var1, 0.), (var2, 0.)], &ctx)));
[INFO] [stdout] test expr::tests::test_builtins ... ok
[INFO] [stderr]     |         ^^^
[INFO] [stdout] test expr::tests::test_eval ... ok
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stderr]    --> src/expr.rs:219:9
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 219 |         try!(self.check_context(([(var1, 0.), (var2, 0.), (var3, 0.)], &ctx)));
[INFO] [stdout] running 13 tests
[INFO] [stderr]     |         ^^^
[INFO] [stdout] test src/lib.rs - (line 131) ... ignored
[INFO] [stderr] 
[INFO] [stdout] test src/expr.rs - expr::ArgGuard (line 839) ... ok
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stderr]    --> src/expr.rs:267:9
[INFO] [stdout] test src/expr.rs - expr::Context (line 673) ... ok
[INFO] [stderr]     |
[INFO] [stdout] test src/expr.rs - expr::Context::funcn (line 806) ... ok
[INFO] [stderr] 267 |         try!(self.check_context(([(var1, 0.), (var2, 0.), (var3, 0.), (var4, 0.)], &ctx)));
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stderr]     |         ^^^
[INFO] [stdout] test src/expr.rs - expr::ContextProvider (line 502) ... ok
[INFO] [stderr] 
[INFO] [stdout] test src/expr.rs - expr::ContextProvider (line 471) ... ok
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test src/expr.rs - expr::Expr (line 23) ... ok
[INFO] [stderr]    --> src/expr.rs:318:9
[INFO] [stdout] test src/expr.rs - expr::ContextProvider (line 491) ... ok
[INFO] [stderr]     |
[INFO] [stdout] test src/lib.rs - (line 79) ... ok
[INFO] [stderr] 318 |         try!(self.check_context((
[INFO] [stdout] test src/lib.rs - (line 57) ... ok
[INFO] [stderr]     |         ^^^
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.86s
[INFO] [stderr]    --> src/expr.rs:368:9
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr] 368 |         try!(
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:424:16
[INFO] [stderr]     |
[INFO] [stderr] 424 |     let expr = try!(Expr::from_str(expr.as_ref()));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:433:22
[INFO] [stderr]     |
[INFO] [stderr] 433 |         let tokens = try!(tokenize(s));
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:435:19
[INFO] [stderr]     |
[INFO] [stderr] 435 |         let rpn = try!(to_rpn(&tokens));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/expr.rs:448:16
[INFO] [stderr]     |
[INFO] [stderr] 448 |     let expr = try!(Expr::from_str(expr.as_ref()));
[INFO] [stderr]     |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/tokenizer.rs:142:1
[INFO] [stderr]     |
[INFO] [stderr] 142 | /// Parse `func(`, returns `func`.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Needed` is imported redundantly
[INFO] [stderr]    --> src/tokenizer.rs:115:26
[INFO] [stderr]     |
[INFO] [stderr] 8   | use nom::{multispace, slice_to_offsets, IResult, Needed};
[INFO] [stderr]     |                                                  ------ the item `Needed` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 115 |     use nom::{ErrorKind, Needed};
[INFO] [stderr]     |                          ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/tokenizer.rs:119:18
[INFO] [stderr]     |
[INFO] [stderr] 119 |         Some(b'a'...b'z') | Some(b'A'...b'Z') | Some(b'_') => {
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/tokenizer.rs:119:38
[INFO] [stderr]     |
[INFO] [stderr] 119 |         Some(b'a'...b'z') | Some(b'A'...b'Z') | Some(b'_') => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/tokenizer.rs:124:25
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stderr]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/tokenizer.rs:124:39
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stderr]     |                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/tokenizer.rs:124:60
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stderr]     |                                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:233:17
[INFO] [stderr]     |
[INFO] [stderr] 233 |                 try!(write!(f, "Parse error: "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:237:17
[INFO] [stderr]     |
[INFO] [stderr] 237 |                 try!(write!(f, "RPN error: "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/expr.rs:832:27
[INFO] [stderr]     |
[INFO] [stderr] 832 | type GuardedFunc<'a> = Rc<Fn(&[f64]) -> Result<f64, FuncEvalError> + 'a>;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 832 - type GuardedFunc<'a> = Rc<Fn(&[f64]) -> Result<f64, FuncEvalError> + 'a>;
[INFO] [stderr] 832 + type GuardedFunc<'a> = Rc<dyn Fn(&[f64]) -> Result<f64, FuncEvalError> + 'a>;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:266:32
[INFO] [stderr]     |
[INFO] [stderr] 266 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 266 -     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr] 266 +     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:261:43
[INFO] [stderr]     |
[INFO] [stderr] 261 |             Error::ParseError(ref e) => e.description(),
[INFO] [stderr]     |                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:262:41
[INFO] [stderr]     |
[INFO] [stderr] 262 |             Error::RPNError(ref e) => e.description(),
[INFO] [stderr]     |                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `meval` (lib) generated 23 warnings
[INFO] [stderr] warning: `meval` (lib test) generated 23 warnings (23 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/meval-8ef4d4f4abeafd93)
[INFO] [stderr]    Doc-tests meval
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/tokenizer.rs:119:18
[INFO] [stderr]     |
[INFO] [stderr] 119 |         Some(b'a'...b'z') | Some(b'A'...b'Z') | Some(b'_') => {
[INFO] [stderr]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/tokenizer.rs:119:38
[INFO] [stderr]     |
[INFO] [stderr] 119 |         Some(b'a'...b'z') | Some(b'A'...b'Z') | Some(b'_') => {
[INFO] [stderr]     |                                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/tokenizer.rs:124:25
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stderr]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/tokenizer.rs:124:39
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stderr]     |                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/tokenizer.rs:124:60
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     b'a'...b'z' | b'A'...b'Z' | b'_' | b'0'...b'9' => true,
[INFO] [stderr]     |                                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "4c1386f61921cb2b4c2619a7137fbbff8afdabf1bdcc3bb48699c06a4072bd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1386f61921cb2b4c2619a7137fbbff8afdabf1bdcc3bb48699c06a4072bd83", kill_on_drop: false }`
[INFO] [stdout] 4c1386f61921cb2b4c2619a7137fbbff8afdabf1bdcc3bb48699c06a4072bd83