[INFO] cloning repository https://github.com/bwhetherington/rust-lisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bwhetherington/rust-lisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Frust-lisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Frust-lisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7807a8d7f06aed76468a3df13fd60274eb297d67
[INFO] testing bwhetherington/rust-lisp against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Frust-lisp" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bwhetherington/rust-lisp on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bwhetherington/rust-lisp
[INFO] finished tweaking git repo https://github.com/bwhetherington/rust-lisp
[INFO] tweaked toml for git repo https://github.com/bwhetherington/rust-lisp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bwhetherington/rust-lisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7326d52c515074fdc8a7ca321df67856d9ac43cb2a32dd02c8df2d6324ff7221
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7326d52c515074fdc8a7ca321df67856d9ac43cb2a32dd02c8df2d6324ff7221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7326d52c515074fdc8a7ca321df67856d9ac43cb2a32dd02c8df2d6324ff7221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7326d52c515074fdc8a7ca321df67856d9ac43cb2a32dd02c8df2d6324ff7221", kill_on_drop: false }`
[INFO] [stdout] 7326d52c515074fdc8a7ca321df67856d9ac43cb2a32dd02c8df2d6324ff7221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a27b39c5adb4bc9f6f59c59f3b489943dc854cb3f2519e369e15f07ca8f0daa5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a27b39c5adb4bc9f6f59c59f3b489943dc854cb3f2519e369e15f07ca8f0daa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling rust-lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:191:17
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' => true,
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:191:31
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' => true,
[INFO] [stdout]     |                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:191:45
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' => true,
[INFO] [stdout]     |                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/interpreter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser::Parser`
[INFO] [stdout]  --> src/intrinsics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use parser::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `environment::Environment`
[INFO] [stdout]  --> src/values.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use environment::Environment;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> src/utils.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 |     if let Some(home_dir) = env::home_dir() {
[INFO] [stdout]   |                             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/intrinsics.rs:174:20
[INFO] [stdout]     |
[INFO] [stdout] 174 |     pub fn _lambda(env: Env, exprs: Exprs) -> Output {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_values`
[INFO] [stdout]    --> src/intrinsics.rs:335:29
[INFO] [stdout]     |
[INFO] [stdout] 335 |                         let num_values = len - 1;
[INFO] [stdout]     |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_from_str`
[INFO] [stdout]   --> src/parser.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn parse_from_str(&mut self, s: &str) -> Parse {
[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: `peak_char`
[INFO] [stdout]    --> src/parser.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn peak_char<R: Read>(&mut self, r: &mut BufReader<R>) -> Option<char> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FIELD_NAMES_FORMAT`
[INFO] [stdout]   --> src/intrinsics.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const FIELD_NAMES_FORMAT: &'static str = "{}-field-names";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cur_scope`
[INFO] [stdout]   --> src/environment.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn cur_scope(&self) -> &HashMap<String, Value> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "a27b39c5adb4bc9f6f59c59f3b489943dc854cb3f2519e369e15f07ca8f0daa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27b39c5adb4bc9f6f59c59f3b489943dc854cb3f2519e369e15f07ca8f0daa5", kill_on_drop: false }`
[INFO] [stdout] a27b39c5adb4bc9f6f59c59f3b489943dc854cb3f2519e369e15f07ca8f0daa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb8d2b2bbdf99a3af203fe73ef553d900ea507eb136bd0edfc24651b7ac25d2b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eb8d2b2bbdf99a3af203fe73ef553d900ea507eb136bd0edfc24651b7ac25d2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:191:17
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' => true,
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:191:31
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' => true,
[INFO] [stdout]     |                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parser.rs:191:45
[INFO] [stdout]     |
[INFO] [stdout] 191 |             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' => true,
[INFO] [stdout]     |                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/interpreter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser::Parser`
[INFO] [stdout]  --> src/intrinsics.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use parser::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/utils.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `environment::Environment`
[INFO] [stdout]  --> src/values.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use environment::Environment;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> src/utils.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 |     if let Some(home_dir) = env::home_dir() {
[INFO] [stdout]   |                             ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/intrinsics.rs:174:20
[INFO] [stdout]     |
[INFO] [stdout] 174 |     pub fn _lambda(env: Env, exprs: Exprs) -> Output {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_values`
[INFO] [stdout]    --> src/intrinsics.rs:335:29
[INFO] [stdout]     |
[INFO] [stdout] 335 |                         let num_values = len - 1;
[INFO] [stdout]     |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_from_str`
[INFO] [stdout]   --> src/parser.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn parse_from_str(&mut self, s: &str) -> Parse {
[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: `peak_char`
[INFO] [stdout]    --> src/parser.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn peak_char<R: Read>(&mut self, r: &mut BufReader<R>) -> Option<char> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FIELD_NAMES_FORMAT`
[INFO] [stdout]   --> src/intrinsics.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const FIELD_NAMES_FORMAT: &'static str = "{}-field-names";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cur_scope`
[INFO] [stdout]   --> src/environment.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn cur_scope(&self) -> &HashMap<String, Value> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "eb8d2b2bbdf99a3af203fe73ef553d900ea507eb136bd0edfc24651b7ac25d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb8d2b2bbdf99a3af203fe73ef553d900ea507eb136bd0edfc24651b7ac25d2b", kill_on_drop: false }`
[INFO] [stdout] eb8d2b2bbdf99a3af203fe73ef553d900ea507eb136bd0edfc24651b7ac25d2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ada171d90f088b58e389d1bb190bf5de12c083f66d3265a3f3e3bde83cba0ade
[INFO] running `Command { std: "docker" "start" "-a" "ada171d90f088b58e389d1bb190bf5de12c083f66d3265a3f3e3bde83cba0ade", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/parser.rs:191:17
[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] 191 |             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' => true,
[INFO] [stdout] 
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parser.rs:191:31
[INFO] [stderr]     |
[INFO] [stderr] 191 |             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' => true,
[INFO] [stderr]     |                               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parser.rs:191:45
[INFO] [stderr]     |
[INFO] [stderr] 191 |             'a' ... 'z' | 'A' ... 'Z' | '0' ... '9' => true,
[INFO] [stderr]     |                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/interpreter.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parser::Parser`
[INFO] [stderr]  --> src/intrinsics.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use parser::Parser;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/utils.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `environment::Environment`
[INFO] [stderr]  --> src/values.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use environment::Environment;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stderr]  --> src/utils.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 |     if let Some(home_dir) = env::home_dir() {
[INFO] [stderr]   |                             ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]    --> src/intrinsics.rs:174:20
[INFO] [stderr]     |
[INFO] [stderr] 174 |     pub fn _lambda(env: Env, exprs: Exprs) -> Output {
[INFO] [stderr]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_values`
[INFO] [stderr]    --> src/intrinsics.rs:335:29
[INFO] [stderr]     |
[INFO] [stderr] 335 |                         let num_values = len - 1;
[INFO] [stderr]     |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_values`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse_from_str`
[INFO] [stderr]   --> src/parser.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn parse_from_str(&mut self, s: &str) -> Parse {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `peak_char`
[INFO] [stderr]    --> src/parser.rs:170:8
[INFO] [stderr]     |
[INFO] [stderr] 170 |     fn peak_char<R: Read>(&mut self, r: &mut BufReader<R>) -> Option<char> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `FIELD_NAMES_FORMAT`
[INFO] [stderr]   --> src/intrinsics.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const FIELD_NAMES_FORMAT: &'static str = "{}-field-names";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cur_scope`
[INFO] [stderr]   --> src/environment.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn cur_scope(&self) -> &HashMap<String, Value> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_lisp-905c64aa87966ed4
[INFO] running `Command { std: "docker" "inspect" "ada171d90f088b58e389d1bb190bf5de12c083f66d3265a3f3e3bde83cba0ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada171d90f088b58e389d1bb190bf5de12c083f66d3265a3f3e3bde83cba0ade", kill_on_drop: false }`
[INFO] [stdout] ada171d90f088b58e389d1bb190bf5de12c083f66d3265a3f3e3bde83cba0ade