[INFO] cloning repository https://github.com/dholroyd/bungling-mutant-lisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dholroyd/bungling-mutant-lisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdholroyd%2Fbungling-mutant-lisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdholroyd%2Fbungling-mutant-lisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e925d04ab225fd6e33f452eddb73fcba91aad67
[INFO] testing dholroyd/bungling-mutant-lisp against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdholroyd%2Fbungling-mutant-lisp" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dholroyd/bungling-mutant-lisp on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dholroyd/bungling-mutant-lisp
[INFO] finished tweaking git repo https://github.com/dholroyd/bungling-mutant-lisp
[INFO] tweaked toml for git repo https://github.com/dholroyd/bungling-mutant-lisp written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/dholroyd/bungling-mutant-lisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2efd1cdb418e31673da3d7a82741d8477b121262952e9b7c8da852eef33cd99
[INFO] running `Command { std: "docker" "start" "-a" "b2efd1cdb418e31673da3d7a82741d8477b121262952e9b7c8da852eef33cd99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2efd1cdb418e31673da3d7a82741d8477b121262952e9b7c8da852eef33cd99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2efd1cdb418e31673da3d7a82741d8477b121262952e9b7c8da852eef33cd99", kill_on_drop: false }`
[INFO] [stdout] b2efd1cdb418e31673da3d7a82741d8477b121262952e9b7c8da852eef33cd99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ed9cd5aed9b8f70782d9ab69e58526235bcfb11c153b6162ed03d2fe230884a
[INFO] running `Command { std: "docker" "start" "-a" "1ed9cd5aed9b8f70782d9ab69e58526235bcfb11c153b6162ed03d2fe230884a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/parse.rs:97:30
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Some(c @ 'a' ... 'z') => s.push(c),
[INFO] [stdout]    |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parse.rs:141:30
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 Some(c @ '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parse.rs:168:16
[INFO] [stdout]     |
[INFO] [stdout] 168 |             'a'...'z'   => self.sym(),
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parse.rs:169:16
[INFO] [stdout]     |
[INFO] [stdout] 169 |             '0'...'9'   => self.num(),  // negative numeric constants just not possible ATM
[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/nightly/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/parse.rs:190:20
[INFO] [stdout]     |
[INFO] [stdout] 190 |             v.push(try!(self.sexp()));
[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/parse.rs:202:35
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 Some(_) => v.push(try!(self.sexp())),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interpret.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Native{name:SymbolRef, code:Rc<Box<Fn(&[Data])->Data>>},
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 -     Native{name:SymbolRef, code:Rc<Box<Fn(&[Data])->Data>>},
[INFO] [stdout] 12 +     Native{name:SymbolRef, code:Rc<Box<dyn Fn(&[Data])->Data>>},
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/parse.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let c = self.next().unwrap();
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpret.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 |             (&Fun::Native{ref name, ref code}, &Fun::Native{name:ref othername, code:ref othercode}) => {
[INFO] [stdout]    |                           ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `othername`
[INFO] [stdout]   --> src/interpret.rs:28:70
[INFO] [stdout]    |
[INFO] [stdout] 28 |             (&Fun::Native{ref name, ref code}, &Fun::Native{name:ref othername, code:ref othercode}) => {
[INFO] [stdout]    |                                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_othername`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpret.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Fun::Native{ref name, ref code} => (code)(args),
[INFO] [stdout]    |                         ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Fun` in public interface (error E0446)
[INFO] [stdout]   --> src/interpret.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 |     DFun(Fun),
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[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 #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `skip_comment`
[INFO] [stdout]   --> src/parse.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn skip_comment(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "1ed9cd5aed9b8f70782d9ab69e58526235bcfb11c153b6162ed03d2fe230884a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ed9cd5aed9b8f70782d9ab69e58526235bcfb11c153b6162ed03d2fe230884a", kill_on_drop: false }`
[INFO] [stdout] 1ed9cd5aed9b8f70782d9ab69e58526235bcfb11c153b6162ed03d2fe230884a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d390031e9aa8c0654c1f1dc2e47bea3aba0c0e6a04a51ef76eaa3965fa532fee
[INFO] running `Command { std: "docker" "start" "-a" "d390031e9aa8c0654c1f1dc2e47bea3aba0c0e6a04a51ef76eaa3965fa532fee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/parse.rs:97:30
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Some(c @ 'a' ... 'z') => s.push(c),
[INFO] [stdout]    |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parse.rs:141:30
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 Some(c @ '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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parse.rs:168:16
[INFO] [stdout]     |
[INFO] [stdout] 168 |             'a'...'z'   => self.sym(),
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parse.rs:169:16
[INFO] [stdout]     |
[INFO] [stdout] 169 |             '0'...'9'   => self.num(),  // negative numeric constants just not possible ATM
[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/nightly/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/parse.rs:190:20
[INFO] [stdout]     |
[INFO] [stdout] 190 |             v.push(try!(self.sexp()));
[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/parse.rs:202:35
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 Some(_) => v.push(try!(self.sexp())),
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interpret.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Native{name:SymbolRef, code:Rc<Box<Fn(&[Data])->Data>>},
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 -     Native{name:SymbolRef, code:Rc<Box<Fn(&[Data])->Data>>},
[INFO] [stdout] 12 +     Native{name:SymbolRef, code:Rc<Box<dyn Fn(&[Data])->Data>>},
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/parse.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let c = self.next().unwrap();
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpret.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 |             (&Fun::Native{ref name, ref code}, &Fun::Native{name:ref othername, code:ref othercode}) => {
[INFO] [stdout]    |                           ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `othername`
[INFO] [stdout]   --> src/interpret.rs:28:70
[INFO] [stdout]    |
[INFO] [stdout] 28 |             (&Fun::Native{ref name, ref code}, &Fun::Native{name:ref othername, code:ref othercode}) => {
[INFO] [stdout]    |                                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_othername`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpret.rs:46:25
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Fun::Native{ref name, ref code} => (code)(args),
[INFO] [stdout]    |                         ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parse.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let mut p = Parser::new(st, text.chars().peekable());
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Fun` in public interface (error E0446)
[INFO] [stdout]   --> src/interpret.rs:55:10
[INFO] [stdout]    |
[INFO] [stdout] 55 |     DFun(Fun),
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[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 #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `skip_comment`
[INFO] [stdout]   --> src/parse.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn skip_comment(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "d390031e9aa8c0654c1f1dc2e47bea3aba0c0e6a04a51ef76eaa3965fa532fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d390031e9aa8c0654c1f1dc2e47bea3aba0c0e6a04a51ef76eaa3965fa532fee", kill_on_drop: false }`
[INFO] [stdout] d390031e9aa8c0654c1f1dc2e47bea3aba0c0e6a04a51ef76eaa3965fa532fee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6798f0f539529d3933d1eb273b32a0047abbb3158bf9ce40bb7520b441746f20
[INFO] running `Command { std: "docker" "start" "-a" "6798f0f539529d3933d1eb273b32a0047abbb3158bf9ce40bb7520b441746f20", kill_on_drop: false }`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parse.rs:97:30
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 Some(c @ 'a' ... 'z') => s.push(c),
[INFO] [stderr]    |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parse.rs:141:30
[INFO] [stderr]     |
[INFO] [stderr] 141 |                 Some(c @ '0' ... '9') => {
[INFO] [stderr]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parse.rs:168:16
[INFO] [stderr]     |
[INFO] [stderr] 168 |             'a'...'z'   => self.sym(),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parse.rs:169:16
[INFO] [stderr]     |
[INFO] [stderr] 169 |             '0'...'9'   => self.num(),  // negative numeric constants just not possible ATM
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:190:20
[INFO] [stderr]     |
[INFO] [stderr] 190 |             v.push(try!(self.sexp()));
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/parse.rs:202:35
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 Some(_) => v.push(try!(self.sexp())),
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpret.rs:12:40
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Native{name:SymbolRef, code:Rc<Box<Fn(&[Data])->Data>>},
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 12 -     Native{name:SymbolRef, code:Rc<Box<Fn(&[Data])->Data>>},
[INFO] [stderr] 12 +     Native{name:SymbolRef, code:Rc<Box<dyn Fn(&[Data])->Data>>},
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> src/parse.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let c = self.next().unwrap();
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/interpret.rs:28:27
[INFO] [stderr]    |
[INFO] [stderr] 28 |             (&Fun::Native{ref name, ref code}, &Fun::Native{name:ref othername, code:ref othercode}) => {
[INFO] [stderr]    |                           ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `othername`
[INFO] [stderr]   --> src/interpret.rs:28:70
[INFO] [stderr]    |
[INFO] [stderr] 28 |             (&Fun::Native{ref name, ref code}, &Fun::Native{name:ref othername, code:ref othercode}) => {
[INFO] [stderr]    |                                                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_othername`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/interpret.rs:46:25
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Fun::Native{ref name, ref code} => (code)(args),
[INFO] [stderr]    |                         ^^^^^^^^ help: try ignoring the field: `name: _`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parse.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let mut p = Parser::new(st, text.chars().peekable());
[INFO] [stderr]     |             ----^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Fun` in public interface (error E0446)
[INFO] [stderr]   --> src/interpret.rs:55:10
[INFO] [stderr]    |
[INFO] [stderr] 55 |     DFun(Fun),
[INFO] [stderr]    |          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `skip_comment`
[INFO] [stderr]   --> src/parse.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn skip_comment(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bml` (bin "bml" test) generated 14 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bml-e37e91bc86914eb6)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test interpret::tests::fun_call ... ok
[INFO] [stdout] test interpret::tests::if_false ... ok
[INFO] [stdout] test parse::tests::num ... ok
[INFO] [stdout] test interpret::tests::ifelse_true ... ok
[INFO] [stdout] test parse::tests::overflow_num ... ok
[INFO] [stdout] test interpret::tests::fun_call_user ... ok
[INFO] [stdout] test interpret::tests::ifelse_false ... ok
[INFO] [stdout] test symtable::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6798f0f539529d3933d1eb273b32a0047abbb3158bf9ce40bb7520b441746f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6798f0f539529d3933d1eb273b32a0047abbb3158bf9ce40bb7520b441746f20", kill_on_drop: false }`
[INFO] [stdout] 6798f0f539529d3933d1eb273b32a0047abbb3158bf9ce40bb7520b441746f20