[INFO] cloning repository https://github.com/meddle0x53/mscheme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meddle0x53/mscheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddle0x53%2Fmscheme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddle0x53%2Fmscheme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84dafecf41861185cba65f3cfea7c347f31241dd
[INFO] checking meddle0x53/mscheme against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddle0x53%2Fmscheme" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/meddle0x53/mscheme
[INFO] finished tweaking git repo https://github.com/meddle0x53/mscheme
[INFO] tweaked toml for git repo https://github.com/meddle0x53/mscheme written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/meddle0x53/mscheme on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/meddle0x53/mscheme 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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded nix v0.5.1
[INFO] [stderr]   Downloaded rustyline v1.0.0
[INFO] [stderr]   Downloaded encode_unicode v0.1.3
[INFO] [stderr]   Downloaded colored v1.6.0
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fbbddd133bc32bc7bab7f0efada2d44b008fd70deea30159b8d36d0a9a8d82d
[INFO] running `Command { std: "docker" "start" "-a" "3fbbddd133bc32bc7bab7f0efada2d44b008fd70deea30159b8d36d0a9a8d82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fbbddd133bc32bc7bab7f0efada2d44b008fd70deea30159b8d36d0a9a8d82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbbddd133bc32bc7bab7f0efada2d44b008fd70deea30159b8d36d0a9a8d82d", kill_on_drop: false }`
[INFO] [stdout] 3fbbddd133bc32bc7bab7f0efada2d44b008fd70deea30159b8d36d0a9a8d82d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d22f242b82fca77ad30df58e0b225d8d3631667b5e95da9d377b41297fed719
[INFO] running `Command { std: "docker" "start" "-a" "3d22f242b82fca77ad30df58e0b225d8d3631667b5e95da9d377b41297fed719", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking mscheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/iterator.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 '0' ... '9' => self.next_char(ch, &mut number_buffer),
[INFO] [stdout]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/iterator.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 'A' ... 'Z' | 'a' ... 'z' | '0' ... '9' => {
[INFO] [stdout]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/iterator.rs:93:35
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 'A' ... 'Z' | 'a' ... 'z' | '0' ... '9' => {
[INFO] [stdout]    |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/iterator.rs:93:49
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 'A' ... 'Z' | 'a' ... 'z' | '0' ... '9' => {
[INFO] [stdout]    |                                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/iterator.rs:96:57
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 '/' | '!' | '$' | '%' | '*' | ':' | '<' ... '?' | '_' | '-' | '+' => {
[INFO] [stdout]    |                                                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/mod.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |                         Some(&(_, '0' ... '9')) => {
[INFO] [stdout]    |                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer/mod.rs:28:50
[INFO] [stdout]    |
[INFO] [stdout] 28 | ...                   if let Some(token) = try!(it.next_delim()) {
[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/lexer/mod.rs:34:50
[INFO] [stdout]    |
[INFO] [stdout] 34 | ...                   if let Some(token) = try!(it.next_delim()) {
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer/mod.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     tokens.push(try!(it.next_boolean()));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer/mod.rs:42:42
[INFO] [stdout]    |
[INFO] [stdout] 42 |                     if let Some(token) = try!(it.next_delim()) {
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/mod.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 'A' ... 'Z' | 'a' ... 'z' | '!' | '$' | '%' | '&' | '*' | '/' | ':' | '<' ... '?' | '_' | '^'  => {
[INFO] [stdout]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/mod.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 'A' ... 'Z' | 'a' ... 'z' | '!' | '$' | '%' | '&' | '*' | '/' | ':' | '<' ... '?' | '_' | '^'  => {
[INFO] [stdout]    |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/mod.rs:46:91
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 'A' ... 'Z' | 'a' ... 'z' | '!' | '$' | '%' | '&' | '*' | '/' | ':' | '<' ... '?' | '_' | '^'  => {
[INFO] [stdout]    |                                                                                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer/mod.rs:48:42
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     if let Some(token) = try!(it.next_delim()) {
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/mod.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 '0' ... '9' => {
[INFO] [stdout]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer/mod.rs:54:42
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     if let Some(token) = try!(it.next_delim()) {
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer/mod.rs:60:42
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     if let Some(token) = try!(it.next_delim()) {
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 let inner = try!(parse_level(tokens, level + 1));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/interpreter/mod.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |         result = try!(eval_ast_node(ast_node, runtime.clone()));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     repl::start("> ", (|s, runtime| interpreter::run(&s, runtime)))
[INFO] [stdout]    |                       ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     repl::start("> ", (|s, runtime| interpreter::run(&s, runtime)))
[INFO] [stdout] 16 +     repl::start("> ", |s, runtime| interpreter::run(&s, runtime) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/iterator.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 '0' ... '9' => self.next_char(ch, &mut number_buffer),
[INFO] [stdout]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/iterator.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 'A' ... 'Z' | 'a' ... 'z' | '0' ... '9' => {
[INFO] [stdout]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/iterator.rs:93:35
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 'A' ... 'Z' | 'a' ... 'z' | '0' ... '9' => {
[INFO] [stdout]    |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/iterator.rs:93:49
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 'A' ... 'Z' | 'a' ... 'z' | '0' ... '9' => {
[INFO] [stdout]    |                                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/iterator.rs:96:57
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 '/' | '!' | '$' | '%' | '*' | ':' | '<' ... '?' | '_' | '-' | '+' => {
[INFO] [stdout]    |                                                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/mod.rs:25:39
[INFO] [stdout]    |
[INFO] [stdout] 25 |                         Some(&(_, '0' ... '9')) => {
[INFO] [stdout]    |                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer/mod.rs:28:50
[INFO] [stdout]    |
[INFO] [stdout] 28 | ...                   if let Some(token) = try!(it.next_delim()) {
[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/lexer/mod.rs:34:50
[INFO] [stdout]    |
[INFO] [stdout] 34 | ...                   if let Some(token) = try!(it.next_delim()) {
[INFO] [stdout]    |                                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer/mod.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |                     tokens.push(try!(it.next_boolean()));
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer/mod.rs:42:42
[INFO] [stdout]    |
[INFO] [stdout] 42 |                     if let Some(token) = try!(it.next_delim()) {
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/mod.rs:46:21
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 'A' ... 'Z' | 'a' ... 'z' | '!' | '$' | '%' | '&' | '*' | '/' | ':' | '<' ... '?' | '_' | '^'  => {
[INFO] [stdout]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/mod.rs:46:35
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 'A' ... 'Z' | 'a' ... 'z' | '!' | '$' | '%' | '&' | '*' | '/' | ':' | '<' ... '?' | '_' | '^'  => {
[INFO] [stdout]    |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/mod.rs:46:91
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 'A' ... 'Z' | 'a' ... 'z' | '!' | '$' | '%' | '&' | '*' | '/' | ':' | '<' ... '?' | '_' | '^'  => {
[INFO] [stdout]    |                                                                                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer/mod.rs:48:42
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     if let Some(token) = try!(it.next_delim()) {
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer/mod.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 '0' ... '9' => {
[INFO] [stdout]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer/mod.rs:54:42
[INFO] [stdout]    |
[INFO] [stdout] 54 |                     if let Some(token) = try!(it.next_delim()) {
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lexer/mod.rs:60:42
[INFO] [stdout]    |
[INFO] [stdout] 60 |                     if let Some(token) = try!(it.next_delim()) {
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser/mod.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 let inner = try!(parse_level(tokens, level + 1));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/interpreter/mod.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |         result = try!(eval_ast_node(ast_node, runtime.clone()));
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     repl::start("> ", (|s, runtime| interpreter::run(&s, runtime)))
[INFO] [stdout]    |                       ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -     repl::start("> ", (|s, runtime| interpreter::run(&s, runtime)))
[INFO] [stdout] 16 +     repl::start("> ", |s, runtime| interpreter::run(&s, runtime) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "3d22f242b82fca77ad30df58e0b225d8d3631667b5e95da9d377b41297fed719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d22f242b82fca77ad30df58e0b225d8d3631667b5e95da9d377b41297fed719", kill_on_drop: false }`
[INFO] [stdout] 3d22f242b82fca77ad30df58e0b225d8d3631667b5e95da9d377b41297fed719
