[INFO] updating cached repository gslavin/wisp_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gslavin/wisp_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gslavin/wisp_rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/gslavin/wisp_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/gslavin/wisp_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gslavin/wisp_rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/gslavin/wisp_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/gslavin/wisp_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 83fa0ecba9ecb660fcbbe7dc6d1f14b5bcd9042a
[INFO] sha for GitHub repo gslavin/wisp_rust: 83fa0ecba9ecb660fcbbe7dc6d1f14b5bcd9042a
[INFO] validating manifest of gslavin/wisp_rust on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gslavin/wisp_rust on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gslavin/wisp_rust
[INFO] finished frobbing gslavin/wisp_rust
[INFO] frobbed toml for gslavin/wisp_rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/gslavin/wisp_rust/Cargo.toml
[INFO] started frobbing gslavin/wisp_rust
[INFO] finished frobbing gslavin/wisp_rust
[INFO] frobbed toml for gslavin/wisp_rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/gslavin/wisp_rust/Cargo.toml
[INFO] crate gslavin/wisp_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking gslavin/wisp_rust against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/gslavin/wisp_rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e235778171a82af409df6eb7060f6fa559073a491b9cfc51e34ece297ae2deb6
[INFO] running `"docker" "start" "-a" "e235778171a82af409df6eb7060f6fa559073a491b9cfc51e34ece297ae2deb6"`
[INFO] [stderr]     Checking wisp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/eval.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 |     return AstNode::Number((sum));
[INFO] [stderr]    |                            ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/eval.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | /     lazy_static! {
[INFO] [stderr] 46 | |         static ref BUILTINS: BTreeSet<&'static str> = ["+", "-", "*", "/"].iter().cloned().collect();
[INFO] [stderr] 47 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/eval.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | /     lazy_static! {
[INFO] [stderr] 46 | |         static ref BUILTINS: BTreeSet<&'static str> = ["+", "-", "*", "/"].iter().cloned().collect();
[INFO] [stderr] 47 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/eval.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 |     return AstNode::Number((sum));
[INFO] [stderr]    |                            ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/eval.rs:271:47
[INFO] [stderr]     |
[INFO] [stderr] 271 |         let expected_result = AstNode::Number((-1.0));
[INFO] [stderr]     |                                               ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/eval.rs:293:47
[INFO] [stderr]     |
[INFO] [stderr] 293 |         let expected_result = AstNode::Number((0.75));
[INFO] [stderr]     |                                               ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/eval.rs:318:47
[INFO] [stderr]     |
[INFO] [stderr] 318 |         let expected_result = AstNode::Number((3.0));
[INFO] [stderr]     |                                               ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/eval.rs:329:47
[INFO] [stderr]     |
[INFO] [stderr] 329 |         let expected_result = AstNode::Number((4.0));
[INFO] [stderr]     |                                               ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lexer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     lazy_static! {
[INFO] [stderr] 26 | |         static ref DEFINE: Regex = Regex::new(r"define").unwrap();
[INFO] [stderr] 27 | |         static ref LAMBDA: Regex = Regex::new(r"lambda").unwrap();
[INFO] [stderr] 28 | |         static ref IF: Regex = Regex::new(r"if").unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |         static ref WHITESPACE: Regex = Regex::new(r"[:space:]").unwrap();
[INFO] [stderr] 34 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/eval.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | /     lazy_static! {
[INFO] [stderr] 46 | |         static ref BUILTINS: BTreeSet<&'static str> = ["+", "-", "*", "/"].iter().cloned().collect();
[INFO] [stderr] 47 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/eval.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | /     lazy_static! {
[INFO] [stderr] 46 | |         static ref BUILTINS: BTreeSet<&'static str> = ["+", "-", "*", "/"].iter().cloned().collect();
[INFO] [stderr] 47 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "e235778171a82af409df6eb7060f6fa559073a491b9cfc51e34ece297ae2deb6"`
[INFO] running `"docker" "rm" "-f" "e235778171a82af409df6eb7060f6fa559073a491b9cfc51e34ece297ae2deb6"`
[INFO] [stdout] e235778171a82af409df6eb7060f6fa559073a491b9cfc51e34ece297ae2deb6