[INFO] cloning repository https://github.com/jaemk/risp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaemk/risp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40d348f0a7f14e62cb55ce038eab99317425f9cb
[INFO] checking jaemk/risp against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaemk%2Frisp" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaemk/risp on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaemk/risp
[INFO] finished tweaking git repo https://github.com/jaemk/risp
[INFO] tweaked toml for git repo https://github.com/jaemk/risp written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jaemk/risp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.0
[INFO] [stderr]   Downloaded num v0.1.36
[INFO] [stderr]   Downloaded rustc-demangle v0.1.3
[INFO] [stderr]   Downloaded aho-corasick v0.6.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.6
[INFO] [stderr]   Downloaded fraction v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e5b8fb9b3f888dcaa07dc6bb939b98d98f18256168df20ed7b6b6b30d4a6b40
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e5b8fb9b3f888dcaa07dc6bb939b98d98f18256168df20ed7b6b6b30d4a6b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e5b8fb9b3f888dcaa07dc6bb939b98d98f18256168df20ed7b6b6b30d4a6b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5b8fb9b3f888dcaa07dc6bb939b98d98f18256168df20ed7b6b6b30d4a6b40", kill_on_drop: false }`
[INFO] [stdout] 4e5b8fb9b3f888dcaa07dc6bb939b98d98f18256168df20ed7b6b6b30d4a6b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7562774f15a856615622bb2010f6560bd87b5445cc5f166fb30630a855cb7fc8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7562774f15a856615622bb2010f6560bd87b5445cc5f166fb30630a855cb7fc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking thread_local v0.3.2
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.6.1
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]    Compiling backtrace-sys v0.1.6
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking fraction v0.3.4
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking error-chain v0.8.1
[INFO] [stderr]     Checking risp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `small` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     small(Fraction),
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Small`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `number` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     number(Number),
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ident` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     ident(String),
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `string` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     string(String),
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `keyword` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     keyword(String),
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `nil` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     nil,
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case: `Nil`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `sexp` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     sexp(Sexp),
[INFO] [stdout]     |     ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sexp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `list` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     list(List),
[INFO] [stdout]     |     ^^^^ help: convert the identifier to upper camel case: `List`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `vec` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     vec(Vector),
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `map` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     map(Map),
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case: `Map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `set` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     set(Set),
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Set`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `atom` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     atom(Atom),
[INFO] [stdout]     |     ^^^^ help: convert the identifier to upper camel case: `Atom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `sequence` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     sequence(Sequence),
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sequence`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `small` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     small(Fraction),
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Small`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `number` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     number(Number),
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ident` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     ident(String),
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `string` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     string(String),
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `keyword` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     keyword(String),
[INFO] [stdout]     |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Keyword`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `nil` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     nil,
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case: `Nil`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `sexp` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     sexp(Sexp),
[INFO] [stdout]     |     ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sexp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `list` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     list(List),
[INFO] [stdout]     |     ^^^^ help: convert the identifier to upper camel case: `List`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `vec` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     vec(Vector),
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Vec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `map` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     map(Map),
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case: `Map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `set` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     set(Set),
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Set`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `atom` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:204:5
[INFO] [stdout]     |
[INFO] [stdout] 204 |     atom(Atom),
[INFO] [stdout]     |     ^^^^ help: convert the identifier to upper camel case: `Atom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `sequence` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     sequence(Sequence),
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Sequence`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | / lazy_static! {
[INFO] [stdout] 41 | |     static ref NS: NameSpace = {
[INFO] [stdout] 42 | |         let mut map: NameSpace = HashMap::new();
[INFO] [stdout] 43 | |         map.insert("println", println);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     };
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (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/main.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | / lazy_static! {
[INFO] [stdout] 41 | |     static ref NS: NameSpace = {
[INFO] [stdout] 42 | |         let mut map: NameSpace = HashMap::new();
[INFO] [stdout] 43 | |         map.insert("println", println);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     };
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (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/main.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 | /     lazy_static! {
[INFO] [stdout] 245 | |         static ref RE: Regex =
[INFO] [stdout] 246 | |             Regex::new(r##"(\(|#\(|'\(|\)|\[|\]|\{|#\{|\})|[^\s"\)\]\}]+|"([^"\)\]\}]*)""##)
[INFO] [stdout] 247 | |             .unwrap();
[INFO] [stdout] 248 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (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/main.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 | /     lazy_static! {
[INFO] [stdout] 245 | |         static ref RE: Regex =
[INFO] [stdout] 246 | |             Regex::new(r##"(\(|#\(|'\(|\)|\[|\]|\{|#\{|\})|[^\s"\)\]\}]+|"([^"\)\]\}]*)""##)
[INFO] [stdout] 247 | |             .unwrap();
[INFO] [stdout] 248 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (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/main.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | / lazy_static! {
[INFO] [stdout] 41 | |     static ref NS: NameSpace = {
[INFO] [stdout] 42 | |         let mut map: NameSpace = HashMap::new();
[INFO] [stdout] 43 | |         map.insert("println", println);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     };
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (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/main.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | / lazy_static! {
[INFO] [stdout] 41 | |     static ref NS: NameSpace = {
[INFO] [stdout] 42 | |         let mut map: NameSpace = HashMap::new();
[INFO] [stdout] 43 | |         map.insert("println", println);
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     };
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (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/main.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 | /     lazy_static! {
[INFO] [stdout] 245 | |         static ref RE: Regex =
[INFO] [stdout] 246 | |             Regex::new(r##"(\(|#\(|'\(|\)|\[|\]|\{|#\{|\})|[^\s"\)\]\}]+|"([^"\)\]\}]*)""##)
[INFO] [stdout] 247 | |             .unwrap();
[INFO] [stdout] 248 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (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/main.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 | /     lazy_static! {
[INFO] [stdout] 245 | |         static ref RE: Regex =
[INFO] [stdout] 246 | |             Regex::new(r##"(\(|#\(|'\(|\)|\[|\]|\{|#\{|\})|[^\s"\)\]\}]+|"([^"\)\]\}]*)""##)
[INFO] [stdout] 247 | |             .unwrap();
[INFO] [stdout] 248 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_list`
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn to_list(self) -> List {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/main.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn is_empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_front`
[INFO] [stdout]   --> src/main.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn pop_front(&mut self) -> Option<Value> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `vec`
[INFO] [stdout]    --> src/main.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     vec(Vector),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `map`
[INFO] [stdout]    --> src/main.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     map(Map),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `set`
[INFO] [stdout]    --> src/main.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     set(Set),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_list`
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn to_list(self) -> List {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/main.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn is_empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_front`
[INFO] [stdout]   --> src/main.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn pop_front(&mut self) -> Option<Value> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `vec`
[INFO] [stdout]    --> src/main.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 |     vec(Vector),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `map`
[INFO] [stdout]    --> src/main.rs:174:5
[INFO] [stdout]     |
[INFO] [stdout] 174 |     map(Map),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `set`
[INFO] [stdout]    --> src/main.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     set(Set),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.01s
[INFO] running `Command { std: "docker" "inspect" "7562774f15a856615622bb2010f6560bd87b5445cc5f166fb30630a855cb7fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7562774f15a856615622bb2010f6560bd87b5445cc5f166fb30630a855cb7fc8", kill_on_drop: false }`
[INFO] [stdout] 7562774f15a856615622bb2010f6560bd87b5445cc5f166fb30630a855cb7fc8