[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] checking bwhetherington/rust-lisp against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Frust-lisp" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bwhetherington/rust-lisp on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", 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] b83e24fe4aed7fe51021c8337790747450f3ee0bc37ed3eb687b7013b66729db
[INFO] running `Command { std: "docker" "start" "-a" "b83e24fe4aed7fe51021c8337790747450f3ee0bc37ed3eb687b7013b66729db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b83e24fe4aed7fe51021c8337790747450f3ee0bc37ed3eb687b7013b66729db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83e24fe4aed7fe51021c8337790747450f3ee0bc37ed3eb687b7013b66729db", kill_on_drop: false }`
[INFO] [stdout] b83e24fe4aed7fe51021c8337790747450f3ee0bc37ed3eb687b7013b66729db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8297cef5896828cbc00540ee6b2f91d593d3b0e4873194600b16fc13b1c60c0d
[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" "8297cef5896828cbc00540ee6b2f91d593d3b0e4873194600b16fc13b1c60c0d", kill_on_drop: false }`
[INFO] [stderr]     Checking 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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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: `...` 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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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:5:34
[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: 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:5:34
[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: 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: 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] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "8297cef5896828cbc00540ee6b2f91d593d3b0e4873194600b16fc13b1c60c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8297cef5896828cbc00540ee6b2f91d593d3b0e4873194600b16fc13b1c60c0d", kill_on_drop: false }`
[INFO] [stdout] 8297cef5896828cbc00540ee6b2f91d593d3b0e4873194600b16fc13b1c60c0d