[INFO] fetching crate simplisp 0.4.0...
[INFO] testing simplisp-0.4.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate simplisp 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate simplisp 0.4.0
[INFO] finished tweaking crates.io crate simplisp 0.4.0
[INFO] tweaked toml for crates.io crate simplisp 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simplisp 0.4.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding error-chain v0.5.0 (available: v0.12.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbfc14794c1f8ff74b58e1fdb9b98d096268afc70231e29dfb0b5f72276d7d6d
[INFO] running `Command { std: "docker" "start" "-a" "cbfc14794c1f8ff74b58e1fdb9b98d096268afc70231e29dfb0b5f72276d7d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbfc14794c1f8ff74b58e1fdb9b98d096268afc70231e29dfb0b5f72276d7d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbfc14794c1f8ff74b58e1fdb9b98d096268afc70231e29dfb0b5f72276d7d6d", kill_on_drop: false }`
[INFO] [stdout] cbfc14794c1f8ff74b58e1fdb9b98d096268afc70231e29dfb0b5f72276d7d6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e820993527e37ac54a311838acff57223fde76f4db55abdb6272b71547823a7
[INFO] running `Command { std: "docker" "start" "-a" "0e820993527e37ac54a311838acff57223fde76f4db55abdb6272b71547823a7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling simplisp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/abstract_syntax_tree.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 root: try!(Self::parse_program_text(program_text)),
[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/lisp/abstract_syntax_tree.rs:40:38
[INFO] [stdout]    |
[INFO] [stdout] 40 |                     let inner_node = try!(Self::parse(enumerated_text, program_text));
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/abstract_syntax_tree.rs:77:61
[INFO] [stdout]    |
[INFO] [stdout] 77 | ...                   let string_object = try!(Self::parse_double_quoted_text(index, enumerated_text, program_text));
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/abstract_syntax_tree.rs:82:61
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   let string_object = try!(Self::parse_single_quoted_text(index, enumerated_text, program_text));
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/abstract_syntax_tree.rs:127:24
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let root = try!(Self::parse(&mut enumerated_text, program_text));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/environment.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 | ...                   None => try!(self.symbol_stack_search(&symbol)),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/environment.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let result = try!(self.evaluate(arg, &execution_tree_root_object));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/environment.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let ast = try!(AbstractSyntaxTree::new(source));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/environment.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let execution_tree = try!(ExecutionTree::new(&ast));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/environment.rs:118:37
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...                   None => try!(self.symbol_stack_search(&symbol)),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/environment.rs:129:49
[INFO] [stdout]     |
[INFO] [stdout] 129 | ...                   result.push(try!(self.evaluate(arg, &object)));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/environment.rs:138:37
[INFO] [stdout]     |
[INFO] [stdout] 138 |                         result.push(try!(self.evaluate(arg, &other)));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/environment.rs:140:41
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...                   result.push(try!(self.evaluate(arg, &object)));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/execution_tree.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let root = try!(Self::visit_node(abstract_root.deref()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/execution_tree.rs:73:36
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     let new_node = try!(Self::visit_node(inner_node));
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/execution_tree.rs:78:38
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     let new_object = try!(Self::visit_string(string));
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/execution_tree.rs:128:46
[INFO] [stdout]     |
[INFO] [stdout] 128 | ...                   let string = try!(Self::convert_escape_sequences(&string[1..(byte_len - 1)]));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/execution_tree.rs:138:46
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   let string = try!(Self::convert_escape_sequences(&string[1..(byte_len - 1)]));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/execution_tree_node.rs:34:26
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let string = try!(object.to_string());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/execution_tree_object.rs:132:57
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 &ExecutionTreeObject::Node(ref some) => try!(some.to_string()),
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |         ErrorWrapper(cause: Box<StdError + Send>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |         ErrorWrapper(cause: Box<dyn StdError + Send>) {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/mod.rs:51:31
[INFO] [stdout]    |
[INFO] [stdout] 51 |             description(cause.description())
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lisp/execution_tree.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let root = try!(Self::visit_node(abstract_root.deref()));
[INFO] [stdout]    |                                                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `AbstractSyntaxTreeNode<'_>` does not implement `Deref`, so calling `deref` on `&AbstractSyntaxTreeNode<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 16 -         let root = try!(Self::visit_node(abstract_root.deref()));
[INFO] [stdout] 16 +         let root = try!(Self::visit_node(abstract_root));
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `AbstractSyntaxTreeNode<'_>`, implement `Clone` for it
[INFO] [stdout]   --> src/lisp/abstract_syntax_tree_node.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 + #[derive(Clone)]
[INFO] [stdout]  5 | pub struct AbstractSyntaxTreeNode<'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "0e820993527e37ac54a311838acff57223fde76f4db55abdb6272b71547823a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e820993527e37ac54a311838acff57223fde76f4db55abdb6272b71547823a7", kill_on_drop: false }`
[INFO] [stdout] 0e820993527e37ac54a311838acff57223fde76f4db55abdb6272b71547823a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4475869b5d18f26aab3d706e5f073f51c99b68507652f0f633032ec269694f9f
[INFO] running `Command { std: "docker" "start" "-a" "4475869b5d18f26aab3d706e5f073f51c99b68507652f0f633032ec269694f9f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/abstract_syntax_tree.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 root: try!(Self::parse_program_text(program_text)),
[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/lisp/abstract_syntax_tree.rs:40:38
[INFO] [stdout]    |
[INFO] [stdout] 40 |                     let inner_node = try!(Self::parse(enumerated_text, program_text));
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/abstract_syntax_tree.rs:77:61
[INFO] [stdout]    |
[INFO] [stdout] 77 | ...                   let string_object = try!(Self::parse_double_quoted_text(index, enumerated_text, program_text));
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/abstract_syntax_tree.rs:82:61
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   let string_object = try!(Self::parse_single_quoted_text(index, enumerated_text, program_text));
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/abstract_syntax_tree.rs:127:24
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let root = try!(Self::parse(&mut enumerated_text, program_text));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/environment.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 | ...                   None => try!(self.symbol_stack_search(&symbol)),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/environment.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let result = try!(self.evaluate(arg, &execution_tree_root_object));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/environment.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let ast = try!(AbstractSyntaxTree::new(source));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/environment.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let execution_tree = try!(ExecutionTree::new(&ast));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/environment.rs:118:37
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...                   None => try!(self.symbol_stack_search(&symbol)),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/environment.rs:129:49
[INFO] [stdout]     |
[INFO] [stdout] 129 | ...                   result.push(try!(self.evaluate(arg, &object)));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/environment.rs:138:37
[INFO] [stdout]     |
[INFO] [stdout] 138 |                         result.push(try!(self.evaluate(arg, &other)));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simplisp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/environment.rs:140:41
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...                   result.push(try!(self.evaluate(arg, &object)));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/execution_tree.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let root = try!(Self::visit_node(abstract_root.deref()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/execution_tree.rs:73:36
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     let new_node = try!(Self::visit_node(inner_node));
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/execution_tree.rs:78:38
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     let new_object = try!(Self::visit_string(string));
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/execution_tree.rs:128:46
[INFO] [stdout]     |
[INFO] [stdout] 128 | ...                   let string = try!(Self::convert_escape_sequences(&string[1..(byte_len - 1)]));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/execution_tree.rs:138:46
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   let string = try!(Self::convert_escape_sequences(&string[1..(byte_len - 1)]));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/execution_tree_node.rs:34:26
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let string = try!(object.to_string());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/execution_tree_object.rs:132:57
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 &ExecutionTreeObject::Node(ref some) => try!(some.to_string()),
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |         ErrorWrapper(cause: Box<StdError + Send>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |         ErrorWrapper(cause: Box<dyn StdError + Send>) {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/mod.rs:51:31
[INFO] [stdout]    |
[INFO] [stdout] 51 |             description(cause.description())
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lisp/execution_tree.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let root = try!(Self::visit_node(abstract_root.deref()));
[INFO] [stdout]    |                                                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `AbstractSyntaxTreeNode<'_>` does not implement `Deref`, so calling `deref` on `&AbstractSyntaxTreeNode<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 16 -         let root = try!(Self::visit_node(abstract_root.deref()));
[INFO] [stdout] 16 +         let root = try!(Self::visit_node(abstract_root));
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `AbstractSyntaxTreeNode<'_>`, implement `Clone` for it
[INFO] [stdout]   --> src/lisp/abstract_syntax_tree_node.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 + #[derive(Clone)]
[INFO] [stdout]  5 | pub struct AbstractSyntaxTreeNode<'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/abstract_syntax_tree.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 root: try!(Self::parse_program_text(program_text)),
[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/lisp/abstract_syntax_tree.rs:40:38
[INFO] [stdout]    |
[INFO] [stdout] 40 |                     let inner_node = try!(Self::parse(enumerated_text, program_text));
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/abstract_syntax_tree.rs:77:61
[INFO] [stdout]    |
[INFO] [stdout] 77 | ...                   let string_object = try!(Self::parse_double_quoted_text(index, enumerated_text, program_text));
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/abstract_syntax_tree.rs:82:61
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   let string_object = try!(Self::parse_single_quoted_text(index, enumerated_text, program_text));
[INFO] [stdout]    |                                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/abstract_syntax_tree.rs:127:24
[INFO] [stdout]     |
[INFO] [stdout] 127 |             let root = try!(Self::parse(&mut enumerated_text, program_text));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/environment.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 | ...                   None => try!(self.symbol_stack_search(&symbol)),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/environment.rs:67:22
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let result = try!(self.evaluate(arg, &execution_tree_root_object));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/environment.rs:84:19
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let ast = try!(AbstractSyntaxTree::new(source));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/environment.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let execution_tree = try!(ExecutionTree::new(&ast));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/environment.rs:118:37
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...                   None => try!(self.symbol_stack_search(&symbol)),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/environment.rs:129:49
[INFO] [stdout]     |
[INFO] [stdout] 129 | ...                   result.push(try!(self.evaluate(arg, &object)));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/environment.rs:138:37
[INFO] [stdout]     |
[INFO] [stdout] 138 |                         result.push(try!(self.evaluate(arg, &other)));
[INFO] [stdout]     |                                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/environment.rs:140:41
[INFO] [stdout]     |
[INFO] [stdout] 140 | ...                   result.push(try!(self.evaluate(arg, &object)));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/execution_tree.rs:16:20
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let root = try!(Self::visit_node(abstract_root.deref()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/execution_tree.rs:73:36
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     let new_node = try!(Self::visit_node(inner_node));
[INFO] [stdout]    |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/execution_tree.rs:78:38
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     let new_object = try!(Self::visit_string(string));
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/execution_tree.rs:128:46
[INFO] [stdout]     |
[INFO] [stdout] 128 | ...                   let string = try!(Self::convert_escape_sequences(&string[1..(byte_len - 1)]));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/execution_tree.rs:138:46
[INFO] [stdout]     |
[INFO] [stdout] 138 | ...                   let string = try!(Self::convert_escape_sequences(&string[1..(byte_len - 1)]));
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lisp/execution_tree_node.rs:34:26
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let string = try!(object.to_string());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lisp/execution_tree_object.rs:132:57
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 &ExecutionTreeObject::Node(ref some) => try!(some.to_string()),
[INFO] [stdout]     |                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error/mod.rs:50:33
[INFO] [stdout]    |
[INFO] [stdout] 50 |         ErrorWrapper(cause: Box<StdError + Send>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |         ErrorWrapper(cause: Box<dyn StdError + Send>) {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error/mod.rs:51:31
[INFO] [stdout]    |
[INFO] [stdout] 51 |             description(cause.description())
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lisp/execution_tree.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let root = try!(Self::visit_node(abstract_root.deref()));
[INFO] [stdout]    |                                                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `AbstractSyntaxTreeNode<'_>` does not implement `Deref`, so calling `deref` on `&AbstractSyntaxTreeNode<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 16 -         let root = try!(Self::visit_node(abstract_root.deref()));
[INFO] [stdout] 16 +         let root = try!(Self::visit_node(abstract_root));
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `AbstractSyntaxTreeNode<'_>`, implement `Clone` for it
[INFO] [stdout]   --> src/lisp/abstract_syntax_tree_node.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 + #[derive(Clone)]
[INFO] [stdout]  5 | pub struct AbstractSyntaxTreeNode<'a> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "4475869b5d18f26aab3d706e5f073f51c99b68507652f0f633032ec269694f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4475869b5d18f26aab3d706e5f073f51c99b68507652f0f633032ec269694f9f", kill_on_drop: false }`
[INFO] [stdout] 4475869b5d18f26aab3d706e5f073f51c99b68507652f0f633032ec269694f9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9f59fbdc71ab444f7c2dea1902bafdffea9da25348c703739e3dc2d264a28a8
[INFO] running `Command { std: "docker" "start" "-a" "b9f59fbdc71ab444f7c2dea1902bafdffea9da25348c703739e3dc2d264a28a8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lisp/abstract_syntax_tree.rs:14:23
[INFO] [stderr]    |
[INFO] [stderr] 14 |                 root: try!(Self::parse_program_text(program_text)),
[INFO] [stderr]    |                       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lisp/abstract_syntax_tree.rs:40:38
[INFO] [stderr]    |
[INFO] [stderr] 40 |                     let inner_node = try!(Self::parse(enumerated_text, program_text));
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lisp/abstract_syntax_tree.rs:77:61
[INFO] [stderr]    |
[INFO] [stderr] 77 | ...                   let string_object = try!(Self::parse_double_quoted_text(index, enumerated_text, program_text));
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lisp/abstract_syntax_tree.rs:82:61
[INFO] [stderr]    |
[INFO] [stderr] 82 | ...                   let string_object = try!(Self::parse_single_quoted_text(index, enumerated_text, program_text));
[INFO] [stderr]    |                                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lisp/abstract_syntax_tree.rs:127:24
[INFO] [stderr]     |
[INFO] [stderr] 127 |             let root = try!(Self::parse(&mut enumerated_text, program_text));
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lisp/environment.rs:46:37
[INFO] [stderr]    |
[INFO] [stderr] 46 | ...                   None => try!(self.symbol_stack_search(&symbol)),
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lisp/environment.rs:67:22
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let result = try!(self.evaluate(arg, &execution_tree_root_object));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lisp/environment.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let ast = try!(AbstractSyntaxTree::new(source));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lisp/environment.rs:86:30
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let execution_tree = try!(ExecutionTree::new(&ast));
[INFO] [stderr]    |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lisp/environment.rs:118:37
[INFO] [stderr]     |
[INFO] [stderr] 118 | ...                   None => try!(self.symbol_stack_search(&symbol)),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lisp/environment.rs:129:49
[INFO] [stderr]     |
[INFO] [stderr] 129 | ...                   result.push(try!(self.evaluate(arg, &object)));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lisp/environment.rs:138:37
[INFO] [stderr]     |
[INFO] [stderr] 138 |                         result.push(try!(self.evaluate(arg, &other)));
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lisp/environment.rs:140:41
[INFO] [stderr]     |
[INFO] [stderr] 140 | ...                   result.push(try!(self.evaluate(arg, &object)));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lisp/execution_tree.rs:16:20
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let root = try!(Self::visit_node(abstract_root.deref()));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lisp/execution_tree.rs:73:36
[INFO] [stderr]    |
[INFO] [stderr] 73 |                     let new_node = try!(Self::visit_node(inner_node));
[INFO] [stderr]    |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lisp/execution_tree.rs:78:38
[INFO] [stderr]    |
[INFO] [stderr] 78 |                     let new_object = try!(Self::visit_string(string));
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lisp/execution_tree.rs:128:46
[INFO] [stderr]     |
[INFO] [stderr] 128 | ...                   let string = try!(Self::convert_escape_sequences(&string[1..(byte_len - 1)]));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lisp/execution_tree.rs:138:46
[INFO] [stderr]     |
[INFO] [stderr] 138 | ...                   let string = try!(Self::convert_escape_sequences(&string[1..(byte_len - 1)]));
[INFO] [stderr]     |                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lisp/execution_tree_node.rs:34:26
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let string = try!(object.to_string());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lisp/execution_tree_object.rs:132:57
[INFO] [stderr]     |
[INFO] [stderr] 132 |                 &ExecutionTreeObject::Node(ref some) => try!(some.to_string()),
[INFO] [stderr]     |                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error/mod.rs:50:33
[INFO] [stderr]    |
[INFO] [stderr] 50 |         ErrorWrapper(cause: Box<StdError + Send>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 50 |         ErrorWrapper(cause: Box<dyn StdError + Send>) {
[INFO] [stdout] 
[INFO] [stderr]    |                                 +++
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   --> src/error/mod.rs:51:31
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr] 51 |             description(cause.description())
[INFO] [stderr]    |                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stderr]   --> src/lisp/execution_tree.rs:16:55
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let root = try!(Self::visit_node(abstract_root.deref()));
[INFO] [stderr]    |                                                       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `AbstractSyntaxTreeNode<'_>` does not implement `Deref`, so calling `deref` on `&AbstractSyntaxTreeNode<'_>` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr] 16 -         let root = try!(Self::visit_node(abstract_root.deref()));
[INFO] [stderr] 16 +         let root = try!(Self::visit_node(abstract_root));
[INFO] [stderr]    |
[INFO] [stderr] help: if you meant to clone `AbstractSyntaxTreeNode<'_>`, implement `Clone` for it
[INFO] [stderr]   --> src/lisp/abstract_syntax_tree_node.rs:4:1
[INFO] [stderr]    |
[INFO] [stderr]  4 + #[derive(Clone)]
[INFO] [stderr]  5 | pub struct AbstractSyntaxTreeNode<'a> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `simplisp` (lib) generated 23 warnings (run `cargo fix --lib -p simplisp` to apply 2 suggestions)
[INFO] [stderr] warning: `simplisp` (lib test) generated 23 warnings (23 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simplisp-068713f2a9569bfb)
[INFO] [stderr]    Doc-tests simplisp
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9f59fbdc71ab444f7c2dea1902bafdffea9da25348c703739e3dc2d264a28a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f59fbdc71ab444f7c2dea1902bafdffea9da25348c703739e3dc2d264a28a8", kill_on_drop: false }`
[INFO] [stdout] b9f59fbdc71ab444f7c2dea1902bafdffea9da25348c703739e3dc2d264a28a8