[INFO] updating cached repository https://github.com/LocalToasty/toastylisp
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5eba6ae87f64105eb9f36617f144d4e00fa4394
[INFO] testing LocalToasty/toastylisp against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLocalToasty%2Ftoastylisp" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LocalToasty/toastylisp on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/LocalToasty/toastylisp
[INFO] finished tweaking git repo https://github.com/LocalToasty/toastylisp
[INFO] tweaked toml for git repo https://github.com/LocalToasty/toastylisp written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/LocalToasty/toastylisp already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 14d94f13ce059bcf336fa2b48a7cf3fe1390789afe77369cf0b0a50d70581ec4
[INFO] running `"docker" "start" "-a" "14d94f13ce059bcf336fa2b48a7cf3fe1390789afe77369cf0b0a50d70581ec4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling toastylisp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 try!(write!(f, "({}", head));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |                     try!(write!(f, " {}", head));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 try!(write!(f, "(cond"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |                     try!(write!(f, " ({} {})", pred, cons));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 try!(write!(f, "(lambda ("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |                     try!(write!(f, "{}", lambda.params[0]));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:183:25
[INFO] [stderr]     |
[INFO] [stderr] 183 |                         try!(write!(f, " {}", param));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:187:21
[INFO] [stderr]     |
[INFO] [stderr] 187 |                     try!(write!(f, "..."));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:195:17
[INFO] [stderr]     |
[INFO] [stderr] 195 |                 try!(write!(f, "(let ("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:197:21
[INFO] [stderr]     |
[INFO] [stderr] 197 |                     try!(write!(f, "({} {})", def.0, def.1));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 try!(write!(f, "(seqence"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:204:21
[INFO] [stderr]     |
[INFO] [stderr] 204 |                     try!(write!(f, " {}", expr));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:297:17
[INFO] [stderr]     |
[INFO] [stderr] 297 |                 try!(write!(f, "Logic error:"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:299:21
[INFO] [stderr]     |
[INFO] [stderr] 299 |                     try!(write!(f, " {}", msg));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:562:19
[INFO] [stderr]     |
[INFO] [stderr] 562 |         let res = try!(eval(expr, &env));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:205:20
[INFO] [stderr]     |
[INFO] [stderr] 205 |             match *try!(arg) {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:254:24
[INFO] [stderr]     |
[INFO] [stderr] 254 |             let curr = try!(arg);
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:286:20
[INFO] [stderr]     |
[INFO] [stderr] 286 |             match *try!(arg) {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:325:20
[INFO] [stderr]     |
[INFO] [stderr] 325 |             match *try!(arg) {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:413:26
[INFO] [stderr]     |
[INFO] [stderr] 413 |             print!("{}", try!(arg));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/parser.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | /// Recognizes the end of an expression, without affecting the parser.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:178:1
[INFO] [stderr]     |
[INFO] [stderr] 178 | /// Parses an identifier.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:179:1
[INFO] [stderr]     |
[INFO] [stderr] 179 | ///
[INFO] [stderr]     | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:180:1
[INFO] [stderr]     |
[INFO] [stderr] 180 | /// An identifier consists of one or more characters which are not whitespace, '(', ')', or ''' .
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:181:1
[INFO] [stderr]     |
[INFO] [stderr] 181 | /// The first character furthermore must not be a numeric one.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `verbose` should have an upper case name
[INFO] [stderr]    --> src/expression/mod.rs:327:12
[INFO] [stderr]     |
[INFO] [stderr] 327 | static mut verbose: Option<usize> = None;
[INFO] [stderr]     |            ^^^^^^^ help: convert the identifier to upper case: `VERBOSE`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `"docker" "inspect" "14d94f13ce059bcf336fa2b48a7cf3fe1390789afe77369cf0b0a50d70581ec4"`
[INFO] running `"docker" "rm" "-f" "14d94f13ce059bcf336fa2b48a7cf3fe1390789afe77369cf0b0a50d70581ec4"`
[INFO] [stdout] 14d94f13ce059bcf336fa2b48a7cf3fe1390789afe77369cf0b0a50d70581ec4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2c433c2c1ce741d2dca950416f9cf58d62c7cad2ce5194df6bbdc0f4bcd052d2
[INFO] running `"docker" "start" "-a" "2c433c2c1ce741d2dca950416f9cf58d62c7cad2ce5194df6bbdc0f4bcd052d2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling toastylisp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 try!(write!(f, "({}", head));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |                     try!(write!(f, " {}", head));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 try!(write!(f, "(cond"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |                     try!(write!(f, " ({} {})", pred, cons));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 try!(write!(f, "(lambda ("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |                     try!(write!(f, "{}", lambda.params[0]));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:183:25
[INFO] [stderr]     |
[INFO] [stderr] 183 |                         try!(write!(f, " {}", param));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:187:21
[INFO] [stderr]     |
[INFO] [stderr] 187 |                     try!(write!(f, "..."));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:195:17
[INFO] [stderr]     |
[INFO] [stderr] 195 |                 try!(write!(f, "(let ("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:197:21
[INFO] [stderr]     |
[INFO] [stderr] 197 |                     try!(write!(f, "({} {})", def.0, def.1));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 try!(write!(f, "(seqence"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:204:21
[INFO] [stderr]     |
[INFO] [stderr] 204 |                     try!(write!(f, " {}", expr));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:297:17
[INFO] [stderr]     |
[INFO] [stderr] 297 |                 try!(write!(f, "Logic error:"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:299:21
[INFO] [stderr]     |
[INFO] [stderr] 299 |                     try!(write!(f, " {}", msg));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:562:19
[INFO] [stderr]     |
[INFO] [stderr] 562 |         let res = try!(eval(expr, &env));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:205:20
[INFO] [stderr]     |
[INFO] [stderr] 205 |             match *try!(arg) {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:254:24
[INFO] [stderr]     |
[INFO] [stderr] 254 |             let curr = try!(arg);
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:286:20
[INFO] [stderr]     |
[INFO] [stderr] 286 |             match *try!(arg) {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:325:20
[INFO] [stderr]     |
[INFO] [stderr] 325 |             match *try!(arg) {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:413:26
[INFO] [stderr]     |
[INFO] [stderr] 413 |             print!("{}", try!(arg));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/parser.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | /// Recognizes the end of an expression, without affecting the parser.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:178:1
[INFO] [stderr]     |
[INFO] [stderr] 178 | /// Parses an identifier.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:179:1
[INFO] [stderr]     |
[INFO] [stderr] 179 | ///
[INFO] [stderr]     | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:180:1
[INFO] [stderr]     |
[INFO] [stderr] 180 | /// An identifier consists of one or more characters which are not whitespace, '(', ')', or ''' .
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:181:1
[INFO] [stderr]     |
[INFO] [stderr] 181 | /// The first character furthermore must not be a numeric one.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `verbose` should have an upper case name
[INFO] [stderr]    --> src/expression/mod.rs:327:12
[INFO] [stderr]     |
[INFO] [stderr] 327 | static mut verbose: Option<usize> = None;
[INFO] [stderr]     |            ^^^^^^^ help: convert the identifier to upper case: `VERBOSE`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `"docker" "inspect" "2c433c2c1ce741d2dca950416f9cf58d62c7cad2ce5194df6bbdc0f4bcd052d2"`
[INFO] running `"docker" "rm" "-f" "2c433c2c1ce741d2dca950416f9cf58d62c7cad2ce5194df6bbdc0f4bcd052d2"`
[INFO] [stdout] 2c433c2c1ce741d2dca950416f9cf58d62c7cad2ce5194df6bbdc0f4bcd052d2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20f496f02ebdd839f916d739aeb27098831f475e50d11a8593e3b690f789a5cb
[INFO] running `"docker" "start" "-a" "20f496f02ebdd839f916d739aeb27098831f475e50d11a8593e3b690f789a5cb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 try!(write!(f, "({}", head));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |                     try!(write!(f, " {}", head));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 try!(write!(f, "(cond"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:171:21
[INFO] [stderr]     |
[INFO] [stderr] 171 |                     try!(write!(f, " ({} {})", pred, cons));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:179:17
[INFO] [stderr]     |
[INFO] [stderr] 179 |                 try!(write!(f, "(lambda ("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:181:21
[INFO] [stderr]     |
[INFO] [stderr] 181 |                     try!(write!(f, "{}", lambda.params[0]));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:183:25
[INFO] [stderr]     |
[INFO] [stderr] 183 |                         try!(write!(f, " {}", param));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:187:21
[INFO] [stderr]     |
[INFO] [stderr] 187 |                     try!(write!(f, "..."));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:195:17
[INFO] [stderr]     |
[INFO] [stderr] 195 |                 try!(write!(f, "(let ("));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:197:21
[INFO] [stderr]     |
[INFO] [stderr] 197 |                     try!(write!(f, "({} {})", def.0, def.1));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |                 try!(write!(f, "(seqence"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:204:21
[INFO] [stderr]     |
[INFO] [stderr] 204 |                     try!(write!(f, " {}", expr));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:297:17
[INFO] [stderr]     |
[INFO] [stderr] 297 |                 try!(write!(f, "Logic error:"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:299:21
[INFO] [stderr]     |
[INFO] [stderr] 299 |                     try!(write!(f, " {}", msg));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/expression/mod.rs:562:19
[INFO] [stderr]     |
[INFO] [stderr] 562 |         let res = try!(eval(expr, &env));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:205:20
[INFO] [stderr]     |
[INFO] [stderr] 205 |             match *try!(arg) {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:254:24
[INFO] [stderr]     |
[INFO] [stderr] 254 |             let curr = try!(arg);
[INFO] [stderr]     |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:286:20
[INFO] [stderr]     |
[INFO] [stderr] 286 |             match *try!(arg) {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:325:20
[INFO] [stderr]     |
[INFO] [stderr] 325 |             match *try!(arg) {
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/builtin.rs:413:26
[INFO] [stderr]     |
[INFO] [stderr] 413 |             print!("{}", try!(arg));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/parser.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | /// Recognizes the end of an expression, without affecting the parser.
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:178:1
[INFO] [stderr]     |
[INFO] [stderr] 178 | /// Parses an identifier.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:179:1
[INFO] [stderr]     |
[INFO] [stderr] 179 | ///
[INFO] [stderr]     | ^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:180:1
[INFO] [stderr]     |
[INFO] [stderr] 180 | /// An identifier consists of one or more characters which are not whitespace, '(', ')', or ''' .
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/parser.rs:181:1
[INFO] [stderr]     |
[INFO] [stderr] 181 | /// The first character furthermore must not be a numeric one.
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `verbose` should have an upper case name
[INFO] [stderr]    --> src/expression/mod.rs:327:12
[INFO] [stderr]     |
[INFO] [stderr] 327 | static mut verbose: Option<usize> = None;
[INFO] [stderr]     |            ^^^^^^^ help: convert the identifier to upper case: `VERBOSE`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/toastylisp-7a848e23a81d8d3d
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test parser::tests::parse_character ... ok
[INFO] [stdout] test expression::tests::eval_if ... ok
[INFO] [stdout] test expression::tests::eval_self_evaluating ... ok
[INFO] [stdout] test parser::tests::parse_define ... ok
[INFO] [stdout] test parser::tests::parse_symbol ... ok
[INFO] [stdout] test parser::tests::parse_quote ... ok
[INFO] [stdout] test parser::tests::parse_let ... ok
[INFO] [stdout] test parser::tests::parse_nil ... ok
[INFO] [stdout] test tests::eval ... ok
[INFO] [stdout] test tests::factorial ... ok
[INFO] [stdout] test tests::currying ... ok
[INFO] [stdout] test parser::tests::parse_boolean ... ok
[INFO] [stdout] test expression::tests::eval_eq ... ok
[INFO] [stdout] test tests::capture ... ok
[INFO] [stdout] test tests::lambda_with_list_arg ... ok
[INFO] [stdout] test tests::gcd ... ok
[INFO] [stdout] test tests::postponed_definition ... ok
[INFO] [stdout] test tests::comments ... ok
[INFO] [stdout] test parser::tests::parse_number ... ok
[INFO] [stdout] test tests::own_list ... ok
[INFO] [stdout] test tests::recursion ... ok
[INFO] [stdout] test tests::define ... ok
[INFO] [stdout] test parser::tests::parse_if ... ok
[INFO] [stdout] test tests::variadic_curry ... ok
[INFO] [stdout] test tests::redefine_builtin ... ok
[INFO] [stdout] test tests::fibonacci ... ok
[INFO] [stdout] test tests::variadic ... ok
[INFO] [stdout] test parser::tests::parse_list ... ok
[INFO] [stdout] test tests::fold ... ok
[INFO] [stdout] test tests::simple_lambda ... ok
[INFO] [stdout] test tests::length ... ok
[INFO] [stdout] test tests::quoting ... ok
[INFO] [stdout] test tests::builtin_variadic ... ok
[INFO] [stdout] test tests::builtin ... ok
[INFO] [stdout] test tests::error ... ok
[INFO] [stdout] test tests::too_many_placeholders ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "20f496f02ebdd839f916d739aeb27098831f475e50d11a8593e3b690f789a5cb"`
[INFO] running `"docker" "rm" "-f" "20f496f02ebdd839f916d739aeb27098831f475e50d11a8593e3b690f789a5cb"`
[INFO] [stdout] 20f496f02ebdd839f916d739aeb27098831f475e50d11a8593e3b690f789a5cb