[INFO] cloning repository https://github.com/ReiTamashiro/Lisp_interpreter_by_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ReiTamashiro/Lisp_interpreter_by_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReiTamashiro%2FLisp_interpreter_by_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReiTamashiro%2FLisp_interpreter_by_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de09e14a2caf5549879827af214147809d88b80a
[INFO] checking ReiTamashiro/Lisp_interpreter_by_Rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FReiTamashiro%2FLisp_interpreter_by_Rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ReiTamashiro/Lisp_interpreter_by_Rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ReiTamashiro/Lisp_interpreter_by_Rust
[INFO] finished tweaking git repo https://github.com/ReiTamashiro/Lisp_interpreter_by_Rust
[INFO] tweaked toml for git repo https://github.com/ReiTamashiro/Lisp_interpreter_by_Rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ReiTamashiro/Lisp_interpreter_by_Rust 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 701a81b5eff52cdb8d3e964ad90c371e424e30272102b04f3e2acf4b9fcda461
[INFO] running `Command { std: "docker" "start" "-a" "701a81b5eff52cdb8d3e964ad90c371e424e30272102b04f3e2acf4b9fcda461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "701a81b5eff52cdb8d3e964ad90c371e424e30272102b04f3e2acf4b9fcda461", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701a81b5eff52cdb8d3e964ad90c371e424e30272102b04f3e2acf4b9fcda461", kill_on_drop: false }`
[INFO] [stdout] 701a81b5eff52cdb8d3e964ad90c371e424e30272102b04f3e2acf4b9fcda461
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2d2a0cc7e6dc67f30f138a50aa6b2064b27c152d382ec60d1b5969dd9004aee
[INFO] running `Command { std: "docker" "start" "-a" "b2d2a0cc7e6dc67f30f138a50aa6b2064b27c152d382ec60d1b5969dd9004aee", kill_on_drop: false }`
[INFO] [stderr]     Checking lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `lisp_structure::*`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lisp_structure::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lisp_structure::*`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lisp_structure::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LVal` is never constructed
[INFO] [stdout]  --> src/lisp_structure.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct LVal {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LVal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LEnv` is never constructed
[INFO] [stdout]  --> src/lisp_structure.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct LEnv(Vec<Box<LVal>>);
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LEnv` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `search` and `add` are never used
[INFO] [stdout]   --> src/lisp_structure.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl LEnv {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 11 |     fn search (&self, name: String) -> Result<LCons, ()>{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn add(&mut self, value: LVal){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LCons` is never used
[INFO] [stdout]   --> src/lisp_structure.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum LCons {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LCons` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `state`, `atom_string`, `is_list`, `car`, and `cdr` are never used
[INFO] [stdout]   --> src/lisp_structure.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl LCons {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 35 |     fn state(&self) -> String{
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn atom_string(&self) -> Result<String, String>{
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn is_list(&self) -> Result<Vec<Box<LCons>>, LCons>{
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn car (&self) -> LCons{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn cdr (&self) -> LCons{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eval` is never used
[INFO] [stdout]    --> src/lisp_structure.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn eval(_exp :&LCons, _env :&mut LEnv) -> LCons{
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "b2d2a0cc7e6dc67f30f138a50aa6b2064b27c152d382ec60d1b5969dd9004aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d2a0cc7e6dc67f30f138a50aa6b2064b27c152d382ec60d1b5969dd9004aee", kill_on_drop: false }`
[INFO] [stdout] b2d2a0cc7e6dc67f30f138a50aa6b2064b27c152d382ec60d1b5969dd9004aee