[INFO] fetching crate rust-scheme 0.1.2-alpha.1...
[INFO] testing rust-scheme-0.1.2-alpha.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate rust-scheme 0.1.2-alpha.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rust-scheme 0.1.2-alpha.1
[INFO] finished tweaking crates.io crate rust-scheme 0.1.2-alpha.1
[INFO] tweaked toml for crates.io crate rust-scheme 0.1.2-alpha.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-scheme 0.1.2-alpha.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust-scheme 0.1.2-alpha.1 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ffc2f31886450b4993d4be7070f2f8289b55cc76c8f139efe0c881c1b75811a
[INFO] running `Command { std: "docker" "start" "-a" "8ffc2f31886450b4993d4be7070f2f8289b55cc76c8f139efe0c881c1b75811a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ffc2f31886450b4993d4be7070f2f8289b55cc76c8f139efe0c881c1b75811a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ffc2f31886450b4993d4be7070f2f8289b55cc76c8f139efe0c881c1b75811a", kill_on_drop: false }`
[INFO] [stdout] 8ffc2f31886450b4993d4be7070f2f8289b55cc76c8f139efe0c881c1b75811a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3f9748ea406ddd5e8eef3aed51e0c720514e04030e6458bd1168e93748e7f6f
[INFO] running `Command { std: "docker" "start" "-a" "f3f9748ea406ddd5e8eef3aed51e0c720514e04030e6458bd1168e93748e7f6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-scheme v0.1.2-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/interpreter.rs:38:50
[INFO] [stdout]    |
[INFO] [stdout] 38 |         (Number::Integer(a), Number::Real(b)) => (NumberBinaryOperand::Real(a as f64, b)),
[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] 38 -         (Number::Integer(a), Number::Real(b)) => (NumberBinaryOperand::Real(a as f64, b)),
[INFO] [stdout] 38 +         (Number::Integer(a), Number::Real(b)) => NumberBinaryOperand::Real(a as f64, b),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/interpreter.rs:39:50
[INFO] [stdout]    |
[INFO] [stdout] 39 |         (Number::Real(a), Number::Integer(b)) => (NumberBinaryOperand::Real(a, b as f64)),
[INFO] [stdout]    |                                                  ^                                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 39 -         (Number::Real(a), Number::Integer(b)) => (NumberBinaryOperand::Real(a, b as f64)),
[INFO] [stdout] 39 +         (Number::Real(a), Number::Integer(b)) => NumberBinaryOperand::Real(a, b as f64),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/interpreter.rs:46:53
[INFO] [stdout]    |
[INFO] [stdout] 46 |         (Number::Integer(a), Number::Integer(b)) => (NumberBinaryOperand::Integer(a, b)),
[INFO] [stdout]    |                                                     ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 -         (Number::Integer(a), Number::Integer(b)) => (NumberBinaryOperand::Integer(a, b)),
[INFO] [stdout] 46 +         (Number::Integer(a), Number::Integer(b)) => NumberBinaryOperand::Integer(a, b),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]   --> src/interpreter.rs:47:47
[INFO] [stdout]    |
[INFO] [stdout] 47 |         (Number::Real(a), Number::Real(b)) => (NumberBinaryOperand::Real(a, b)),
[INFO] [stdout]    |                                               ^                               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -         (Number::Real(a), Number::Real(b)) => (NumberBinaryOperand::Real(a, b)),
[INFO] [stdout] 47 +         (Number::Real(a), Number::Real(b)) => NumberBinaryOperand::Real(a, b),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/interpreter.rs:12:85
[INFO] [stdout]     |
[INFO] [stdout]  12 |         return Err(Error {category: ErrorType::Logic , message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 140 |         0 => logic_error!("division by exact zero"),
[INFO] [stdout]     |              -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[deny(semicolon_in_expressions_from_macros)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]     = note: this error originates in the macro `logic_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/interpreter.rs:12:85
[INFO] [stdout]     |
[INFO] [stdout]  12 |         return Err(Error {category: ErrorType::Logic , message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 151 |         _ => logic_error!("unrecognized arithmetic {}", ident),
[INFO] [stdout]     |              ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `logic_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/interpreter.rs:12:85
[INFO] [stdout]     |
[INFO] [stdout]  12 |         return Err(Error {category: ErrorType::Logic , message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 161 |                 ("-", 0) => logic_error!("'-' needs at least one argument"),
[INFO] [stdout]     |                             ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `logic_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/interpreter.rs:12:85
[INFO] [stdout]     |
[INFO] [stdout]  12 |         return Err(Error {category: ErrorType::Logic , message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 162 |                 ("/", 0) => logic_error!("'/' needs at least one argument"),
[INFO] [stdout]     |                             ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `logic_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/interpreter.rs:12:85
[INFO] [stdout]     |
[INFO] [stdout]  12 |         return Err(Error {category: ErrorType::Logic , message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 166 |                 _ => logic_error!("unrecognized procedure {}", ident),
[INFO] [stdout]     |                      ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `logic_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/interpreter.rs:12:85
[INFO] [stdout]     |
[INFO] [stdout]  12 |         return Err(Error {category: ErrorType::Logic , message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 173 |                 _ => logic_error!("expect a number!"),
[INFO] [stdout]     |                      -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `logic_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/interpreter.rs:12:85
[INFO] [stdout]     |
[INFO] [stdout]  12 |         return Err(Error {category: ErrorType::Logic , message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 247 |                                 Some(other) => logic_error!("{} is not callable", other),
[INFO] [stdout]     |                                                ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `logic_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/interpreter.rs:12:85
[INFO] [stdout]     |
[INFO] [stdout]  12 |         return Err(Error {category: ErrorType::Logic , message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 249 |                                     logic_error!("try to call an undefined identifier: {}", ident)
[INFO] [stdout]     |                                     -------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `logic_error`
[INFO] [stdout]     = note: this error originates in the macro `logic_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/interpreter.rs:12:85
[INFO] [stdout]     |
[INFO] [stdout]  12 |         return Err(Error {category: ErrorType::Logic , message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 260 |                     _ => logic_error!("expect a procedure here"),
[INFO] [stdout]     |                          --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `logic_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/interpreter.rs:12:85
[INFO] [stdout]     |
[INFO] [stdout]  12 |         return Err(Error {category: ErrorType::Logic , message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 275 |                 None => logic_error!("undefined identifier: {}", ident),
[INFO] [stdout]     |                         ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `logic_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lexer.rs:11:86
[INFO] [stdout]    |
[INFO] [stdout] 11 |         return Err(Error {category: ErrorType::Lexical, message: format!($($arg)*) });
[INFO] [stdout]    |                                                                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 61 |         _ => invalid_token!("Expect delimiter here instead of {}", c),
[INFO] [stdout]    |              -------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `invalid_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lexer.rs:11:86
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Lexical, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 110 |                             None => invalid_token!("expect character after #\\"),
[INFO] [stdout]     |                                     -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `invalid_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lexer.rs:11:86
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Lexical, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 119 |                         _ => invalid_token!("expect '(' 't' or 'f' after #"),
[INFO] [stdout]     |                              ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `invalid_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lexer.rs:11:86
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Lexical, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 121 |                     None => invalid_token!("expect '(' 't' or 'f' after #"),
[INFO] [stdout]     |                             ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `invalid_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lexer.rs:11:86
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Lexical, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 221 |                             None => invalid_token!("Invalid Indentifer {}", identifier_str),
[INFO] [stdout]     |                                     ------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `invalid_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lexer.rs:11:86
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Lexical, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 271 |                 None => invalid_token!("Incomplete identifier {}", identifier_str),
[INFO] [stdout]     |                         ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `invalid_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lexer.rs:11:86
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Lexical, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 300 |                                             _ => invalid_token!("Unknown escape character"),
[INFO] [stdout]     |                                                  ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `invalid_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lexer.rs:11:86
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Lexical, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 303 |                                     None => invalid_token!("Incomplete escape character"),
[INFO] [stdout]     |                                             --------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `invalid_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/lexer.rs:11:86
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Lexical, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                      ^
[INFO] [stdout] ...
[INFO] [stdout] 309 |                         invalid_token!("Unclosed string literal")
[INFO] [stdout]     |                         ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `invalid_token`
[INFO] [stdout]     = note: this error originates in the macro `invalid_token` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/parser.rs:11:85
[INFO] [stdout]    |
[INFO] [stdout] 11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]    |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 83 |                     Some(Token::RightParen) => syntax_error!("empty procedure call"),
[INFO] [stdout]    |                                                ------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/parser.rs:11:85
[INFO] [stdout]    |
[INFO] [stdout] 11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]    |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 86 |                 Token::RightParen => syntax_error!("Unmatched Parentheses!"),
[INFO] [stdout]    |                                      --------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/parser.rs:11:85
[INFO] [stdout]    |
[INFO] [stdout] 11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]    |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 87 |                 _ => syntax_error!("unsupported grammar"),
[INFO] [stdout]    |                      ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/parser.rs:11:85
[INFO] [stdout]    |
[INFO] [stdout] 11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]    |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 89 |             None => syntax_error!("empty input or Unmatched Parentheses"),
[INFO] [stdout]    |                     ----------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:11:85
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 103 |                 _ => syntax_error!("lambda formals must be idenfiers"),
[INFO] [stdout]     |                      ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:11:85
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 117 |             _ => syntax_error!("expect identifiers"),
[INFO] [stdout]     |                  ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:11:85
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 123 |             _ => syntax_error!("lambda body empty"),
[INFO] [stdout]     |                  ---------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:11:85
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 137 |                     _ => syntax_error!("define: expect identifier and expression"),
[INFO] [stdout]     |                          --------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:11:85
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 148 |                         _ => syntax_error!("expect procedure body"),
[INFO] [stdout]     |                              -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:11:85
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 151 |                 _ => syntax_error!("define: expect identifier and expression"),
[INFO] [stdout]     |                      --------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:11:85
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 153 |             _ => syntax_error!("define: expect identifier and expression"),
[INFO] [stdout]     |                  --------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:11:85
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 168 |                         None => syntax_error!("Unmatched Parentheses!"),
[INFO] [stdout]     |                                 --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:11:85
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 171 |                             _ => syntax_error!("Unmatched Parentheses!"),
[INFO] [stdout]     |                                  --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/parser.rs:11:85
[INFO] [stdout]     |
[INFO] [stdout]  11 |         return Err(Error {category: ErrorType::Syntax, message: format!($($arg)*) });
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout] ...
[INFO] [stdout] 176 |             _ => syntax_error!("operator should be an expression"),
[INFO] [stdout]     |                  ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this error originates in the macro `syntax_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-scheme` (lib) due to 66 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f3f9748ea406ddd5e8eef3aed51e0c720514e04030e6458bd1168e93748e7f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f9748ea406ddd5e8eef3aed51e0c720514e04030e6458bd1168e93748e7f6f", kill_on_drop: false }`
[INFO] [stdout] f3f9748ea406ddd5e8eef3aed51e0c720514e04030e6458bd1168e93748e7f6f
