[INFO] cloning repository https://github.com/hman523/minlisp
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hman523/minlisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhman523%2Fminlisp"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhman523%2Fminlisp'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4484a1580f463e42a3e969d2b399f5eda95fc065
[INFO] checking hman523/minlisp against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhman523%2Fminlisp" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hman523/minlisp on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hman523/minlisp
[INFO] finished tweaking git repo https://github.com/hman523/minlisp
[INFO] tweaked toml for git repo https://github.com/hman523/minlisp written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/hman523/minlisp already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a87441a4176e7ddfa58ec3cde999141ae978c61e4a82aff888a27eae4f4a3d52
[INFO] running `"docker" "start" "-a" "a87441a4176e7ddfa58ec3cde999141ae978c61e4a82aff888a27eae4f4a3d52"`
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rustyline v5.0.5
[INFO] [stderr]     Checking minlisp v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/main.rs:241:21
[INFO] [stderr]     |
[INFO] [stderr] 241 |                     ((a - b).abs() < std::f64::EPSILON)
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/main.rs:241:21
[INFO] [stderr]     |
[INFO] [stderr] 241 |                     ((a - b).abs() < std::f64::EPSILON)
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/main.rs:789:17
[INFO] [stderr]     |
[INFO] [stderr] 789 |         let mut val = Expr::Bool(true);
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:789:13
[INFO] [stderr]     |
[INFO] [stderr] 789 |         let mut val = Expr::Bool(true);
[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: function is never used: `eval_list`
[INFO] [stderr]    --> src/main.rs:751:4
[INFO] [stderr]     |
[INFO] [stderr] 751 | fn eval_list(list: LinkedList<Expr>, state: Memory) -> Result<(Expr, Memory), (Error, Memory)> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/main.rs:789:17
[INFO] [stderr]     |
[INFO] [stderr] 789 |         let mut val = Expr::Bool(true);
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:789:13
[INFO] [stderr]     |
[INFO] [stderr] 789 |         let mut val = Expr::Bool(true);
[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: function is never used: `eval_list`
[INFO] [stderr]    --> src/main.rs:751:4
[INFO] [stderr]     |
[INFO] [stderr] 751 | fn eval_list(list: LinkedList<Expr>, state: Memory) -> Result<(Expr, Memory), (Error, Memory)> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.75s
[INFO] running `"docker" "inspect" "a87441a4176e7ddfa58ec3cde999141ae978c61e4a82aff888a27eae4f4a3d52"`
[INFO] running `"docker" "rm" "-f" "a87441a4176e7ddfa58ec3cde999141ae978c61e4a82aff888a27eae4f4a3d52"`
[INFO] [stdout] a87441a4176e7ddfa58ec3cde999141ae978c61e4a82aff888a27eae4f4a3d52