[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] 6099422ab93b6a053dfcbd9aabb0546ed419da4c
[INFO] testing ccdavis/schemer against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fccdavis%2Fschemer" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ccdavis/schemer on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-15/source/Cargo.toml
[INFO] crate git repo https://github.com/ccdavis/schemer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5d98a7318b78189f0554dbba55baf1b0d6f69e220aadf045a3e982750c0be0a
[INFO] running `Command { std: "docker" "start" "-a" "a5d98a7318b78189f0554dbba55baf1b0d6f69e220aadf045a3e982750c0be0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5d98a7318b78189f0554dbba55baf1b0d6f69e220aadf045a3e982750c0be0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d98a7318b78189f0554dbba55baf1b0d6f69e220aadf045a3e982750c0be0a", kill_on_drop: false }`
[INFO] [stdout] a5d98a7318b78189f0554dbba55baf1b0d6f69e220aadf045a3e982750c0be0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2926fe47105d3b3ad9956420653d7fd635ae707218508085c17f8eaa725a37a1
[INFO] running `Command { std: "docker" "start" "-a" "2926fe47105d3b3ad9956420653d7fd635ae707218508085c17f8eaa725a37a1", kill_on_drop: false }`
[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 cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling fd-lock v2.0.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rustyline v8.2.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling rs_lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::interpreter::Environment`
[INFO] [stdout]  --> src/symbolic_expression.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::interpreter::Environment;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:536:4
[INFO] [stdout]     |
[INFO] [stdout] 536 |             Greater=> Err(not_implemented),
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:326:19
[INFO] [stdout]     |
[INFO] [stdout] 326 |                     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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:349:21
[INFO] [stdout]     |
[INFO] [stdout] 349 | ...                   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: `index`
[INFO] [stdout]    --> src/interpreter.rs:351:13
[INFO] [stdout]     |
[INFO] [stdout] 351 | ...                   Ok(index) =>{
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:367:23
[INFO] [stdout]     |
[INFO] [stdout] 367 | ...                   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: `index`
[INFO] [stdout]    --> src/interpreter.rs:372:15
[INFO] [stdout]     |
[INFO] [stdout] 372 | ...                   Ok(index) =>{
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:460:35
[INFO] [stdout]     |
[INFO] [stdout] 460 |     pub fn apply_function(&mut self, number:i32, name:String, args:List)->Result<SExpression, String>{
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair`
[INFO] [stdout]   --> src/list.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Link::Data(pair)=>false
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `special_form`
[INFO] [stdout]    --> src/primitives.rs:138:18
[INFO] [stdout]     |
[INFO] [stdout] 138 |             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: `value`
[INFO] [stdout]    --> src/primitives.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 146 |             Cell::Int(value)=>Ok(self.clone()),
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/primitives.rs:147:14
[INFO] [stdout]     |
[INFO] [stdout] 147 |             Cell::Flt(value)=>Ok(self.clone()),
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/primitives.rs:165:15
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Cell::Bool(value) => Ok(self.clone()),
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut no_definitions :HashMap<String, usize> = HashMap::new();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut empty_symbol_table = Vec::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut no_definitions :HashMap<String, usize> = HashMap::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:77:7
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut empty_symbol_table = Vec::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:86:7
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut no_definitions :HashMap<String, usize> = HashMap::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut empty_symbol_table = Vec::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:47:6
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut main_program:String  = String::from("(") + &program + ")";
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `extend_environment`
[INFO] [stdout]   --> src/interpreter.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn extend_environment<'a>(env:&'a mut Environment)->Environment<'a>{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_from_cells`
[INFO] [stdout]   --> src/list.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn make_from_cells(objects:Vec<Cell>)->List{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]    --> src/primitives.rs:116:2
[INFO] [stdout]     |
[INFO] [stdout] 116 |     Str(String),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number_list`
[INFO] [stdout]    --> src/main.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn number_list()->List{
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_tests`
[INFO] [stdout]    --> src/main.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn run_tests(){
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/interpreter.rs:451:4
[INFO] [stdout]     |
[INFO] [stdout] 451 | /             match *name{
[INFO] [stdout] 452 | |                 SExpression::Cell(Cell::Symbol(_,n))=>self.define(n,value),
[INFO] [stdout] 453 | |                 _=>panic!("A parameter name must be a symbol but you used {}",&*name.print()),
[INFO] [stdout] 454 | |             };
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.01s
[INFO] running `Command { std: "docker" "inspect" "2926fe47105d3b3ad9956420653d7fd635ae707218508085c17f8eaa725a37a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2926fe47105d3b3ad9956420653d7fd635ae707218508085c17f8eaa725a37a1", kill_on_drop: false }`
[INFO] [stdout] 2926fe47105d3b3ad9956420653d7fd635ae707218508085c17f8eaa725a37a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4146b59fdb3e4361d70cdf3dd74e6c152fb3646287a41004badee59111e9c7b6
[INFO] running `Command { std: "docker" "start" "-a" "4146b59fdb3e4361d70cdf3dd74e6c152fb3646287a41004badee59111e9c7b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::interpreter::Environment`
[INFO] [stdout]  --> src/symbolic_expression.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::interpreter::Environment;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/interpreter.rs:536:4
[INFO] [stdout]     |
[INFO] [stdout] 536 |             Greater=> Err(not_implemented),
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:326:19
[INFO] [stdout]     |
[INFO] [stdout] 326 |                     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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:349:21
[INFO] [stdout]     |
[INFO] [stdout] 349 | ...                   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: `index`
[INFO] [stdout]    --> src/interpreter.rs:351:13
[INFO] [stdout]     |
[INFO] [stdout] 351 | ...                   Ok(index) =>{
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:367:23
[INFO] [stdout]     |
[INFO] [stdout] 367 | ...                   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: `index`
[INFO] [stdout]    --> src/interpreter.rs:372:15
[INFO] [stdout]     |
[INFO] [stdout] 372 | ...                   Ok(index) =>{
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]    --> src/interpreter.rs:460:35
[INFO] [stdout]     |
[INFO] [stdout] 460 |     pub fn apply_function(&mut self, number:i32, name:String, args:List)->Result<SExpression, String>{
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pair`
[INFO] [stdout]   --> src/list.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Link::Data(pair)=>false
[INFO] [stdout]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `special_form`
[INFO] [stdout]    --> src/primitives.rs:138:18
[INFO] [stdout]     |
[INFO] [stdout] 138 |             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: `value`
[INFO] [stdout]    --> src/primitives.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 146 |             Cell::Int(value)=>Ok(self.clone()),
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/primitives.rs:147:14
[INFO] [stdout]     |
[INFO] [stdout] 147 |             Cell::Flt(value)=>Ok(self.clone()),
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/primitives.rs:165:15
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Cell::Bool(value) => Ok(self.clone()),
[INFO] [stdout]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut no_definitions :HashMap<String, usize> = HashMap::new();
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:55:7
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut empty_symbol_table = Vec::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:76:7
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let mut no_definitions :HashMap<String, usize> = HashMap::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:77:7
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let mut empty_symbol_table = Vec::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:86:7
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let mut no_definitions :HashMap<String, usize> = HashMap::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/interpreter.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut empty_symbol_table = Vec::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:47:6
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let mut main_program:String  = String::from("(") + &program + ")";
[INFO] [stdout]    |         ----^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `extend_environment`
[INFO] [stdout]   --> src/interpreter.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn extend_environment<'a>(env:&'a mut Environment)->Environment<'a>{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make_from_cells`
[INFO] [stdout]   --> src/list.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn make_from_cells(objects:Vec<Cell>)->List{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Str`
[INFO] [stdout]    --> src/primitives.rs:116:2
[INFO] [stdout]     |
[INFO] [stdout] 116 |     Str(String),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `number_list`
[INFO] [stdout]    --> src/main.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn number_list()->List{
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_tests`
[INFO] [stdout]    --> src/main.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn run_tests(){
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/interpreter.rs:451:4
[INFO] [stdout]     |
[INFO] [stdout] 451 | /             match *name{
[INFO] [stdout] 452 | |                 SExpression::Cell(Cell::Symbol(_,n))=>self.define(n,value),
[INFO] [stdout] 453 | |                 _=>panic!("A parameter name must be a symbol but you used {}",&*name.print()),
[INFO] [stdout] 454 | |             };
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "4146b59fdb3e4361d70cdf3dd74e6c152fb3646287a41004badee59111e9c7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4146b59fdb3e4361d70cdf3dd74e6c152fb3646287a41004badee59111e9c7b6", kill_on_drop: false }`
[INFO] [stdout] 4146b59fdb3e4361d70cdf3dd74e6c152fb3646287a41004badee59111e9c7b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98629dd217eee5e926434f8cdaea1cbe2f99f4a317a7499393a6cd24450fcdee
[INFO] running `Command { std: "docker" "start" "-a" "98629dd217eee5e926434f8cdaea1cbe2f99f4a317a7499393a6cd24450fcdee", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::interpreter::Environment`
[INFO] [stderr]  --> src/symbolic_expression.rs:4:5
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 4 | use crate::interpreter::Environment;
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]  --> src/parser.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str::FromStr;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/interpreter.rs:536:4
[INFO] [stderr]     |
[INFO] [stderr] 536 |             Greater=> Err(not_implemented),
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `number`
[INFO] [stderr]    --> src/interpreter.rs:326:19
[INFO] [stderr]     |
[INFO] [stderr] 326 |                     Cell::Symbol(number, symbol)=> {
[INFO] [stderr]     |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `number`
[INFO] [stderr]    --> src/interpreter.rs:349:21
[INFO] [stderr]     |
[INFO] [stderr] 349 | ...                   Cell::Symbol(number, name)=>...
[INFO] [stderr]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/interpreter.rs:351:13
[INFO] [stderr]     |
[INFO] [stderr] 351 | ...                   Ok(index) =>{
[INFO] [stderr]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `number`
[INFO] [stderr]    --> src/interpreter.rs:367:23
[INFO] [stderr]     |
[INFO] [stderr] 367 | ...                   Cell::Symbol(number,name)=>{
[INFO] [stderr]     |                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/interpreter.rs:372:15
[INFO] [stderr]     |
[INFO] [stderr] 372 | ...                   Ok(index) =>{
[INFO] [stderr]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `number`
[INFO] [stderr]    --> src/interpreter.rs:460:35
[INFO] [stderr]     |
[INFO] [stderr] 460 |     pub fn apply_function(&mut self, number:i32, name:String, args:List)->Result<SExpression, String>{
[INFO] [stderr]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pair`
[INFO] [stderr]   --> src/list.rs:37:15
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Link::Data(pair)=>false
[INFO] [stderr]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_pair`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `special_form`
[INFO] [stderr]    --> src/primitives.rs:138:18
[INFO] [stderr]     |
[INFO] [stderr] 138 |             Cell::Special(special_form)=> String::from("Special form"),            
[INFO] [stderr]     |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_special_form`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/primitives.rs:146:14
[INFO] [stderr]     |
[INFO] [stderr] 146 |             Cell::Int(value)=>Ok(self.clone()),
[INFO] [stderr]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/primitives.rs:147:14
[INFO] [stderr]     |
[INFO] [stderr] 147 |             Cell::Flt(value)=>Ok(self.clone()),
[INFO] [stderr]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/primitives.rs:165:15
[INFO] [stderr]     |
[INFO] [stderr] 165 |             Cell::Bool(value) => Ok(self.clone()),
[INFO] [stderr]     |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpreter.rs:54:7
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut no_definitions :HashMap<String, usize> = HashMap::new();
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/interpreter.rs:55:7
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut empty_symbol_table = Vec::new();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpreter.rs:76:7
[INFO] [stderr]    |
[INFO] [stderr] 76 |         let mut no_definitions :HashMap<String, usize> = HashMap::new();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpreter.rs:77:7
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut empty_symbol_table = Vec::new();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpreter.rs:86:7
[INFO] [stderr]    |
[INFO] [stderr] 86 |         let mut no_definitions :HashMap<String, usize> = HashMap::new();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interpreter.rs:87:7
[INFO] [stderr]    |
[INFO] [stderr] 87 |         let mut empty_symbol_table = Vec::new();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:47:6
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let mut main_program:String  = String::from("(") + &program + ")";
[INFO] [stderr]    |         ----^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `extend_environment`
[INFO] [stderr]   --> src/interpreter.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn extend_environment<'a>(env:&'a mut Environment)->Environment<'a>{
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `make_from_cells`
[INFO] [stderr]   --> src/list.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn make_from_cells(objects:Vec<Cell>)->List{
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Str`
[INFO] [stderr]    --> src/primitives.rs:116:2
[INFO] [stderr]     |
[INFO] [stderr] 116 |     Str(String),
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `number_list`
[INFO] [stderr]    --> src/main.rs:117:4
[INFO] [stderr]     |
[INFO] [stderr] 117 | fn number_list()->List{
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_tests`
[INFO] [stderr]    --> src/main.rs:125:4
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn run_tests(){
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/interpreter.rs:451:4
[INFO] [stderr]     |
[INFO] [stderr] 451 | /             match *name{
[INFO] [stderr] 452 | |                 SExpression::Cell(Cell::Symbol(_,n))=>self.define(n,value),
[INFO] [stderr] 453 | |                 _=>panic!("A parameter name must be a symbol but you used {}",&*name.print()),
[INFO] [stderr] 454 | |             };
[INFO] [stderr]     | |______________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `rs_lisp` (bin "rs_lisp" test) generated 27 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rs_lisp-5ad67aa795bb4d05)
[INFO] running `Command { std: "docker" "inspect" "98629dd217eee5e926434f8cdaea1cbe2f99f4a317a7499393a6cd24450fcdee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98629dd217eee5e926434f8cdaea1cbe2f99f4a317a7499393a6cd24450fcdee", kill_on_drop: false }`
[INFO] [stdout] 98629dd217eee5e926434f8cdaea1cbe2f99f4a317a7499393a6cd24450fcdee