[INFO] fetching crate risp 0.7.0...
[INFO] checking risp-0.7.0 against beta for pr-78714
[INFO] extracting crate risp 0.7.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate risp 0.7.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate risp 0.7.0
[INFO] finished tweaking crates.io crate risp 0.7.0
[INFO] tweaked toml for crates.io crate risp 0.7.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b6c286cc60c6d7cb87fac34da2a485f6b92218b6a1c376276c9ebbcb2a37da6
[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" "9b6c286cc60c6d7cb87fac34da2a485f6b92218b6a1c376276c9ebbcb2a37da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b6c286cc60c6d7cb87fac34da2a485f6b92218b6a1c376276c9ebbcb2a37da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6c286cc60c6d7cb87fac34da2a485f6b92218b6a1c376276c9ebbcb2a37da6", kill_on_drop: false }`
[INFO] [stdout] 9b6c286cc60c6d7cb87fac34da2a485f6b92218b6a1c376276c9ebbcb2a37da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18273672a954a5eec0b5c897757005bca4e5d50e85aff6aa393c116ac1a7f0ed
[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" "18273672a954a5eec0b5c897757005bca4e5d50e85aff6aa393c116ac1a7f0ed", kill_on_drop: false }`
[INFO] [stderr]     Checking risp v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/parse.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn parse_internal(tokenizer: &mut Iterator<Item=Token>) -> Result<RispType, RispError> {
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/parse.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn parse_internal(tokenizer: &mut Iterator<Item=Token>) -> Result<RispType, RispError> {
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/parse.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn parse_internal(tokenizer: &mut Iterator<Item=Token>) -> Result<RispType, RispError> {
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/parse.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn parse_internal(tokenizer: &mut Iterator<Item=Token>) -> Result<RispType, RispError> {
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Token>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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/tokenize.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | / lazy_static! {
[INFO] [stdout] 18 | |     static ref COMMENT_REGEXP: Regex = Regex::new("^(\\s+|;.*?(\n|$))+").unwrap();
[INFO] [stdout] 19 | |     static ref STR_REGEXP: Regex = Regex::new("^\".*?\"").unwrap();
[INFO] [stdout] 20 | |     static ref SYMBOL_REGEXP: Regex = Regex::new(r"^[^\s\{\}()\[\]]+").unwrap();
[INFO] [stdout] 21 | |     static ref NUMBER_REGEXP: Regex = Regex::new(r"^-?\d+").unwrap();
[INFO] [stdout] 22 | | }
[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] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/example.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `risp`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "18273672a954a5eec0b5c897757005bca4e5d50e85aff6aa393c116ac1a7f0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18273672a954a5eec0b5c897757005bca4e5d50e85aff6aa393c116ac1a7f0ed", kill_on_drop: false }`
[INFO] [stdout] 18273672a954a5eec0b5c897757005bca4e5d50e85aff6aa393c116ac1a7f0ed