[INFO] cloning repository https://github.com/ccdavis/schemer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ccdavis/schemer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccdavis%2Fschemer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccdavis%2Fschemer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 239bd879a26382a290c58063c9ea1926766f4ae5
[INFO] checking ccdavis/schemer against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccdavis%2Fschemer" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ccdavis/schemer
[INFO] finished tweaking git repo https://github.com/ccdavis/schemer
[INFO] tweaked toml for git repo https://github.com/ccdavis/schemer written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ccdavis/schemer on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ccdavis/schemer 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rs_lisp` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc1/source/target/.../rs_lisp
[INFO] [stderr]    |                                                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rs-lisp`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "rs_lisp"
[INFO] [stderr] 10 + name = "rs-lisp"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `rs-lisp`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 ~ version = "0.1.0"
[INFO] [stderr] 12 + [[bin]]
[INFO] [stderr] 13 + name = "rs-lisp"
[INFO] [stderr] 14 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rs_lisp` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fd-lock v2.0.0
[INFO] [stderr]   Downloaded rustyline v8.2.0
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded str-buf v1.0.5
[INFO] [stderr]   Downloaded clipboard-win v4.2.1
[INFO] [stderr]   Downloaded error-code v2.3.0
[INFO] [stderr]   Downloaded cc v1.0.69
[INFO] [stderr]   Downloaded anyhow v1.0.44
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3625386ba1f6672a606221314abe904eafb8fc74ecafd9aa1bd07135cb7590d4
[INFO] running `Command { std: "docker" "start" "3625386ba1f6672a606221314abe904eafb8fc74ecafd9aa1bd07135cb7590d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3625386ba1f6672a606221314abe904eafb8fc74ecafd9aa1bd07135cb7590d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3625386ba1f6672a606221314abe904eafb8fc74ecafd9aa1bd07135cb7590d4" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3625386ba1f6672a606221314abe904eafb8fc74ecafd9aa1bd07135cb7590d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3625386ba1f6672a606221314abe904eafb8fc74ecafd9aa1bd07135cb7590d4" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rs_lisp` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../rs_lisp
[INFO] [stderr]    |                          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rs-lisp`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 - name = "rs_lisp"
[INFO] [stderr] 10 + name = "rs-lisp"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `rs-lisp`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 ~ version = "0.1.0"
[INFO] [stderr] 12 + [[bin]]
[INFO] [stderr] 13 + name = "rs-lisp"
[INFO] [stderr] 14 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rs_lisp` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]     Checking rs_lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/interpreter.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | use anyhow::{Context, Result};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/interpreter.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/interpreter.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 | use anyhow::{Context, Result};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/interpreter.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::rc::Rc;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:352:30
[INFO] [stdout]     |
[INFO] [stdout] 352 |                 Cell::Symbol(number, symbol) => {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:456:38
[INFO] [stdout]     |
[INFO] [stdout] 456 |                         Cell::Symbol(number, name) => {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `def_id`
[INFO] [stdout]    --> src/interpreter.rs:458:33
[INFO] [stdout]     |
[INFO] [stdout] 458 | ...                   let def_id = self.define(name, evaluated_value)?;
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_def_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:471:46
[INFO] [stdout]     |
[INFO] [stdout] 471 | ...                   Cell::Symbol(number, name) => {
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `def_id`
[INFO] [stdout]    --> src/interpreter.rs:475:41
[INFO] [stdout]     |
[INFO] [stdout] 475 | ...                   let def_id = self.define(name, value);
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_def_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_number`
[INFO] [stdout]    --> src/interpreter.rs:592:14
[INFO] [stdout]     |
[INFO] [stdout] 592 |         let (local_number, name) = match variable_to_change {
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:682:9
[INFO] [stdout]     |
[INFO] [stdout] 682 |         number: i32,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:352:30
[INFO] [stdout]     |
[INFO] [stdout] 352 |                 Cell::Symbol(number, symbol) => {
[INFO] [stdout]     |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:456:38
[INFO] [stdout]     |
[INFO] [stdout] 456 |                         Cell::Symbol(number, name) => {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `def_id`
[INFO] [stdout]    --> src/interpreter.rs:458:33
[INFO] [stdout]     |
[INFO] [stdout] 458 | ...                   let def_id = self.define(name, evaluated_value)?;
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_def_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:471:46
[INFO] [stdout]     |
[INFO] [stdout] 471 | ...                   Cell::Symbol(number, name) => {
[INFO] [stdout]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `def_id`
[INFO] [stdout]    --> src/interpreter.rs:475:41
[INFO] [stdout]     |
[INFO] [stdout] 475 | ...                   let def_id = self.define(name, value);
[INFO] [stdout]     |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_def_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:763:13
[INFO] [stdout]     |
[INFO] [stdout] 756 |             Greater => self.eval_greater(list),
[INFO] [stdout]     |             ------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 763 |             Greater => Err(not_implemented),
[INFO] [stdout]     |             ^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local_number`
[INFO] [stdout]    --> src/interpreter.rs:592:14
[INFO] [stdout]     |
[INFO] [stdout] 592 |         let (local_number, name) = match variable_to_change {
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_local_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:682:9
[INFO] [stdout]     |
[INFO] [stdout] 682 |         number: i32,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:763:13
[INFO] [stdout]     |
[INFO] [stdout] 756 |             Greater => self.eval_greater(list),
[INFO] [stdout]     |             ------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 763 |             Greater => Err(not_implemented),
[INFO] [stdout]     |             ^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `special_form`
[INFO] [stdout]    --> src/primitives.rs:214:27
[INFO] [stdout]     |
[INFO] [stdout] 214 |             Cell::Special(special_form) => String::from("Special form"),
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_special_form`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> src/primitives.rs:215:24
[INFO] [stdout]     |
[INFO] [stdout] 215 |             Cell::Core(func) => String::from("core-function"),
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]    --> src/main.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let results = interpret_top_level(code, &mut envr);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `special_form`
[INFO] [stdout]    --> src/primitives.rs:214:27
[INFO] [stdout]     |
[INFO] [stdout] 214 |             Cell::Special(special_form) => String::from("Special form"),
[INFO] [stdout]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_special_form`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> src/primitives.rs:215:24
[INFO] [stdout]     |
[INFO] [stdout] 215 |             Cell::Core(func) => String::from("core-function"),
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `number_list` is never used
[INFO] [stdout]    --> src/main.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn number_list() -> List {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_tests` is never used
[INFO] [stdout]    --> src/main.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn run_tests() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extend_environment` is never used
[INFO] [stdout]   --> src/interpreter.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn extend_environment<'a>(env: &'a mut Environment) -> Environment<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `make_from_cells` is never used
[INFO] [stdout]   --> src/list.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl List {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn make_from_cells(objects: Vec<Cell>) -> List {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/interpreter.rs:668:13
[INFO] [stdout]     |
[INFO] [stdout] 668 | /             match *name {
[INFO] [stdout] 669 | |                 SExpression::Cell(Cell::Symbol(_, n)) => self.define(n, value),
[INFO] [stdout] 670 | |                 _ => panic!(
[INFO] [stdout] 671 | |                     "A parameter name must be a symbol but you used {}",
[INFO] [stdout] 672 | |                     &*name.print()
[INFO] [stdout] 673 | |                 ),
[INFO] [stdout] 674 | |             };
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 668 |             let _ = match *name {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]    --> src/main.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let results = interpret_top_level(code, &mut envr);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `number_list` is never used
[INFO] [stdout]    --> src/main.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn number_list() -> List {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_tests` is never used
[INFO] [stdout]    --> src/main.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn run_tests() {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extend_environment` is never used
[INFO] [stdout]   --> src/interpreter.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn extend_environment<'a>(env: &'a mut Environment) -> Environment<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `make_from_cells` is never used
[INFO] [stdout]   --> src/list.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl List {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn make_from_cells(objects: Vec<Cell>) -> List {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/interpreter.rs:668:13
[INFO] [stdout]     |
[INFO] [stdout] 668 | /             match *name {
[INFO] [stdout] 669 | |                 SExpression::Cell(Cell::Symbol(_, n)) => self.define(n, value),
[INFO] [stdout] 670 | |                 _ => panic!(
[INFO] [stdout] 671 | |                     "A parameter name must be a symbol but you used {}",
[INFO] [stdout] 672 | |                     &*name.print()
[INFO] [stdout] 673 | |                 ),
[INFO] [stdout] 674 | |             };
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 668 |             let _ = match *name {
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.04s
[INFO] running `Command { std: "docker" "inspect" "3625386ba1f6672a606221314abe904eafb8fc74ecafd9aa1bd07135cb7590d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3625386ba1f6672a606221314abe904eafb8fc74ecafd9aa1bd07135cb7590d4", kill_on_drop: false }`
[INFO] [stdout] 3625386ba1f6672a606221314abe904eafb8fc74ecafd9aa1bd07135cb7590d4
