[INFO] cloning repository https://github.com/gslavin/wisp_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gslavin/wisp_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgslavin%2Fwisp_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgslavin%2Fwisp_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83fa0ecba9ecb660fcbbe7dc6d1f14b5bcd9042a
[INFO] checking gslavin/wisp_rust against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgslavin%2Fwisp_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gslavin/wisp_rust on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gslavin/wisp_rust
[INFO] finished tweaking git repo https://github.com/gslavin/wisp_rust
[INFO] tweaked toml for git repo https://github.com/gslavin/wisp_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gslavin/wisp_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62e221a9b2caafbf2f9a4f923c9ffc862c6f5594daa81457933d66cf6b5616ab
[INFO] running `Command { std: "docker" "start" "-a" "62e221a9b2caafbf2f9a4f923c9ffc862c6f5594daa81457933d66cf6b5616ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62e221a9b2caafbf2f9a4f923c9ffc862c6f5594daa81457933d66cf6b5616ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62e221a9b2caafbf2f9a4f923c9ffc862c6f5594daa81457933d66cf6b5616ab", kill_on_drop: false }`
[INFO] [stdout] 62e221a9b2caafbf2f9a4f923c9ffc862c6f5594daa81457933d66cf6b5616ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 141250d2161d6f88fbb9fbc86e0b35ec57aaa68bba65be4422227d89c82c5a08
[INFO] running `Command { std: "docker" "start" "-a" "141250d2161d6f88fbb9fbc86e0b35ec57aaa68bba65be4422227d89c82c5a08", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking wisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/eval.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |     return AstNode::Number((sum));
[INFO] [stdout]    |                            ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -     return AstNode::Number((sum));
[INFO] [stdout] 66 +     return AstNode::Number(sum);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/eval.rs:271:47
[INFO] [stdout]     |
[INFO] [stdout] 271 |         let expected_result = AstNode::Number((-1.0));
[INFO] [stdout]     |                                               ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 271 -         let expected_result = AstNode::Number((-1.0));
[INFO] [stdout] 271 +         let expected_result = AstNode::Number(-1.0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/eval.rs:293:47
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let expected_result = AstNode::Number((0.75));
[INFO] [stdout]     |                                               ^    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 293 -         let expected_result = AstNode::Number((0.75));
[INFO] [stdout] 293 +         let expected_result = AstNode::Number(0.75);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/eval.rs:318:47
[INFO] [stdout]     |
[INFO] [stdout] 318 |         let expected_result = AstNode::Number((3.0));
[INFO] [stdout]     |                                               ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 318 -         let expected_result = AstNode::Number((3.0));
[INFO] [stdout] 318 +         let expected_result = AstNode::Number(3.0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/eval.rs:329:47
[INFO] [stdout]     |
[INFO] [stdout] 329 |         let expected_result = AstNode::Number((4.0));
[INFO] [stdout]     |                                               ^   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 329 -         let expected_result = AstNode::Number((4.0));
[INFO] [stdout] 329 +         let expected_result = AstNode::Number(4.0);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     try!(f.read_to_string(&mut s));
[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/main.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut f = try!(File::open(filename));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/eval.rs:66:28
[INFO] [stdout]    |
[INFO] [stdout] 66 |     return AstNode::Number((sum));
[INFO] [stdout]    |                            ^   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -     return AstNode::Number((sum));
[INFO] [stdout] 66 +     return AstNode::Number(sum);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:15:2
[INFO] [stdout]    |
[INFO] [stdout] 15 |     try!(f.read_to_string(&mut s));
[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/main.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut f = try!(File::open(filename));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/eval.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     lazy_static! {
[INFO] [stdout] 46 | |         static ref BUILTINS: BTreeSet<&'static str> = ["+", "-", "*", "/"].iter().cloned().collect();
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/eval.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     lazy_static! {
[INFO] [stdout] 46 | |         static ref BUILTINS: BTreeSet<&'static str> = ["+", "-", "*", "/"].iter().cloned().collect();
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lexer.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | /     lazy_static! {
[INFO] [stdout] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stdout] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stdout] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stdout] ...  |
[INFO] [stdout] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stdout] 34 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/eval.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     lazy_static! {
[INFO] [stdout] 46 | |         static ref BUILTINS: BTreeSet<&'static str> = ["+", "-", "*", "/"].iter().cloned().collect();
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/eval.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | /     lazy_static! {
[INFO] [stdout] 46 | |         static ref BUILTINS: BTreeSet<&'static str> = ["+", "-", "*", "/"].iter().cloned().collect();
[INFO] [stdout] 47 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "141250d2161d6f88fbb9fbc86e0b35ec57aaa68bba65be4422227d89c82c5a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141250d2161d6f88fbb9fbc86e0b35ec57aaa68bba65be4422227d89c82c5a08", kill_on_drop: false }`
[INFO] [stdout] 141250d2161d6f88fbb9fbc86e0b35ec57aaa68bba65be4422227d89c82c5a08
[INFO] checking gslavin/wisp_rust against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgslavin%2Fwisp_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gslavin/wisp_rust on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gslavin/wisp_rust
[INFO] finished tweaking git repo https://github.com/gslavin/wisp_rust
[INFO] tweaked toml for git repo https://github.com/gslavin/wisp_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gslavin/wisp_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eeda158fcf67f9899847c2fe2c304b9435c7fb19e5a06039445ff821dbea5017
[INFO] running `Command { std: "docker" "start" "-a" "eeda158fcf67f9899847c2fe2c304b9435c7fb19e5a06039445ff821dbea5017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeda158fcf67f9899847c2fe2c304b9435c7fb19e5a06039445ff821dbea5017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeda158fcf67f9899847c2fe2c304b9435c7fb19e5a06039445ff821dbea5017", kill_on_drop: false }`
[INFO] [stdout] eeda158fcf67f9899847c2fe2c304b9435c7fb19e5a06039445ff821dbea5017
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a44560746a2c0bf0010eff1907fcc5ff6cf618f57f8c6c96192b9faadb05768
[INFO] running `Command { std: "docker" "start" "-a" "8a44560746a2c0bf0010eff1907fcc5ff6cf618f57f8c6c96192b9faadb05768", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.1.80/src/exec.rs:726:13
[INFO] [stdout]     |
[INFO] [stdout] 726 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 727 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 728 | |                 &self.cache,
[INFO] [stdout] 729 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 736 | |                 Quit => return Some(Quit),
[INFO] [stdout] 737 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8a44560746a2c0bf0010eff1907fcc5ff6cf618f57f8c6c96192b9faadb05768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a44560746a2c0bf0010eff1907fcc5ff6cf618f57f8c6c96192b9faadb05768", kill_on_drop: false }`
[INFO] [stdout] 8a44560746a2c0bf0010eff1907fcc5ff6cf618f57f8c6c96192b9faadb05768