[INFO] cloning repository https://github.com/wshatch/lisp_compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wshatch/lisp_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwshatch%2Flisp_compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwshatch%2Flisp_compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43015b968cd6eb4a320da94a70e88560b79cff18
[INFO] checking wshatch/lisp_compiler against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwshatch%2Flisp_compiler" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wshatch/lisp_compiler on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wshatch/lisp_compiler
[INFO] finished tweaking git repo https://github.com/wshatch/lisp_compiler
[INFO] tweaked toml for git repo https://github.com/wshatch/lisp_compiler written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/wshatch/lisp_compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba8a22a9362085c387ed34c9225ca249b464a21faa6881b471fd6165c3edc98e
[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" "ba8a22a9362085c387ed34c9225ca249b464a21faa6881b471fd6165c3edc98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba8a22a9362085c387ed34c9225ca249b464a21faa6881b471fd6165c3edc98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba8a22a9362085c387ed34c9225ca249b464a21faa6881b471fd6165c3edc98e", kill_on_drop: false }`
[INFO] [stdout] ba8a22a9362085c387ed34c9225ca249b464a21faa6881b471fd6165c3edc98e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4b8d0a327c952902c84601977f9562761129058b787f0aceb3b025c050f7a7c
[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" "a4b8d0a327c952902c84601977f9562761129058b787f0aceb3b025c050f7a7c", 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] [stderr]     Checking lisp_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/bin/repl.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 |   use std::io;
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/nom_parse_funcs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LispyRet`, `LispyVal`
[INFO] [stdout]  --> src/nom_parse_funcs.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use token::{Token, LispyVal, LispyRet};
[INFO] [stdout]   |                    ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LispyError`
[INFO] [stdout]  --> src/operations.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use token::{Token, LispyVal, LispyError, LispyRet};
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ast.rs:104:87
[INFO] [stdout]     |
[INFO] [stdout] 104 |       fn operator_func (x: Vec<LispyVal>) -> LispyRet{ Ok(Rc::new(Token::Number(4))) };
[INFO] [stdout]     |                                                                                       ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/nom_parse_funcs.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LispyRet`, `LispyVal`
[INFO] [stdout]  --> src/nom_parse_funcs.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use token::{Token, LispyVal, LispyRet};
[INFO] [stdout]   |                    ^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::IResult`
[INFO] [stdout]   --> src/nom_parse_funcs.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use nom::IResult;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom::IResult::*`
[INFO] [stdout]   --> src/nom_parse_funcs.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     use nom::IResult::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::Token`
[INFO] [stdout]   --> src/nom_parse_funcs.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use token::Token;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LispyError`
[INFO] [stdout]  --> src/operations.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use token::{Token, LispyVal, LispyError, LispyRet};
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/ast.rs:104:87
[INFO] [stdout]     |
[INFO] [stdout] 104 |       fn operator_func (x: Vec<LispyVal>) -> LispyRet{ Ok(Rc::new(Token::Number(4))) };
[INFO] [stdout]     |                                                                                       ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `operations::*`
[INFO] [stdout]   --> src/token.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 |   use operations::*;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/bin/repl.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 |   use std::io;
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/ast.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 104 |       fn operator_func (x: Vec<LispyVal>) -> LispyRet{ Ok(Rc::new(Token::Number(4))) };
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/ast.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |       Token::Func(a) => return self.eval_func(),
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/ast.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |   fn build_operator(input:&[u8]) -> Ast{
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rest`
[INFO] [stdout]  --> src/eval.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Done(rest, tokens) => tokens,
[INFO] [stdout]   |          ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrLispyVal`
[INFO] [stdout]  --> src/token.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   ErrLispyVal(LispyVal)
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/ast.rs:104:25
[INFO] [stdout]     |
[INFO] [stdout] 104 |       fn operator_func (x: Vec<LispyVal>) -> LispyRet{ Ok(Rc::new(Token::Number(4))) };
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/ast.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |       Token::Func(a) => return self.eval_func(),
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/ast.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |   fn build_operator(input:&[u8]) -> Ast{
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rest`
[INFO] [stdout]  --> src/eval.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Done(rest, tokens) => tokens,
[INFO] [stdout]   |          ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     io::stdout().flush();
[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: variable `applyFunc` should have a snake case name
[INFO] [stdout]   --> src/operations.rs:49:38
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn arithmetic(vector: Vec<LispyVal>, applyFunc: fn(i32, &LispyVal)->i32) -> LispyRet {
[INFO] [stdout]    |                                      ^^^^^^^^^ help: convert the identifier to snake case: `apply_func`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ErrLispyVal`
[INFO] [stdout]  --> src/token.rs:9:3
[INFO] [stdout]   |
[INFO] [stdout] 9 |   ErrLispyVal(LispyVal)
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     io::stdout().flush();
[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: variable `applyFunc` should have a snake case name
[INFO] [stdout]   --> src/operations.rs:49:38
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn arithmetic(vector: Vec<LispyVal>, applyFunc: fn(i32, &LispyVal)->i32) -> LispyRet {
[INFO] [stdout]    |                                      ^^^^^^^^^ help: convert the identifier to snake case: `apply_func`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "a4b8d0a327c952902c84601977f9562761129058b787f0aceb3b025c050f7a7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b8d0a327c952902c84601977f9562761129058b787f0aceb3b025c050f7a7c", kill_on_drop: false }`
[INFO] [stdout] a4b8d0a327c952902c84601977f9562761129058b787f0aceb3b025c050f7a7c