[INFO] updating cached repository https://github.com/wshatch/lisp_compiler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 43015b968cd6eb4a320da94a70e88560b79cff18
[INFO] checking wshatch/lisp_compiler against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwshatch%2Flisp_compiler" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wshatch/lisp_compiler on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/wshatch/lisp_compiler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/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[INFO] the lockfile is outdated, regenerating it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 `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 52e9fc0a66912465c76f70bf03809d5d239be8fab45009c5b42496ca88992168
[INFO] running `"docker" "start" "-a" "52e9fc0a66912465c76f70bf03809d5d239be8fab45009c5b42496ca88992168"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking lisp_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/bin/repl.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 |   use std::io;
[INFO] [stderr]   |       ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/bin/repl.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 |   use std::io;
[INFO] [stderr]   |       ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/nom_parse_funcs.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `LispyRet`, `LispyVal`
[INFO] [stderr]  --> src/nom_parse_funcs.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use token::{Token, LispyVal, LispyRet};
[INFO] [stderr]   |                    ^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LispyError`
[INFO] [stderr]  --> src/operations.rs:2:30
[INFO] [stderr]   |
[INFO] [stderr] 2 | use token::{Token, LispyVal, LispyError, LispyRet};
[INFO] [stderr]   |                              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/nom_parse_funcs.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `LispyRet`, `LispyVal`
[INFO] [stderr]  --> src/nom_parse_funcs.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use token::{Token, LispyVal, LispyRet};
[INFO] [stderr]   |                    ^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nom::IResult`
[INFO] [stderr]   --> src/nom_parse_funcs.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     use nom::IResult;
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nom::IResult::*`
[INFO] [stderr]   --> src/nom_parse_funcs.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     use nom::IResult::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `token::Token`
[INFO] [stderr]   --> src/nom_parse_funcs.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |     use token::Token;
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LispyError`
[INFO] [stderr]  --> src/operations.rs:2:30
[INFO] [stderr]   |
[INFO] [stderr] 2 | use token::{Token, LispyVal, LispyError, LispyRet};
[INFO] [stderr]   |                              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `operations::*`
[INFO] [stderr]   --> src/token.rs:70:7
[INFO] [stderr]    |
[INFO] [stderr] 70 |   use operations::*;
[INFO] [stderr]    |       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/ast.rs:104:25
[INFO] [stderr]     |
[INFO] [stderr] 104 |       fn operator_func (x: Vec<LispyVal>) -> LispyRet{ Ok(Rc::new(Token::Number(4))) };
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/ast.rs:37:19
[INFO] [stderr]    |
[INFO] [stderr] 37 |       Token::Func(a) => return self.eval_func(),
[INFO] [stderr]    |                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/ast.rs:103:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |   fn build_operator(input:&[u8]) -> Ast{
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]  --> src/eval.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Done(rest, tokens) => tokens,
[INFO] [stderr]   |          ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ErrLispyVal`
[INFO] [stderr]  --> src/token.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   ErrLispyVal(LispyVal)
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     io::stdout().flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `applyFunc` should have a snake case name
[INFO] [stderr]   --> src/operations.rs:49:38
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn arithmetic(vector: Vec<LispyVal>, applyFunc: fn(i32, &LispyVal)->i32) -> LispyRet {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: convert the identifier to snake case: `apply_func`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/ast.rs:104:25
[INFO] [stderr]     |
[INFO] [stderr] 104 |       fn operator_func (x: Vec<LispyVal>) -> LispyRet{ Ok(Rc::new(Token::Number(4))) };
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/ast.rs:37:19
[INFO] [stderr]    |
[INFO] [stderr] 37 |       Token::Func(a) => return self.eval_func(),
[INFO] [stderr]    |                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/ast.rs:103:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |   fn build_operator(input:&[u8]) -> Ast{
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stderr]  --> src/eval.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Done(rest, tokens) => tokens,
[INFO] [stderr]   |          ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ErrLispyVal`
[INFO] [stderr]  --> src/token.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   ErrLispyVal(LispyVal)
[INFO] [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     io::stdout().flush();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `applyFunc` should have a snake case name
[INFO] [stderr]   --> src/operations.rs:49:38
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn arithmetic(vector: Vec<LispyVal>, applyFunc: fn(i32, &LispyVal)->i32) -> LispyRet {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: convert the identifier to snake case: `apply_func`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `"docker" "inspect" "52e9fc0a66912465c76f70bf03809d5d239be8fab45009c5b42496ca88992168"`
[INFO] running `"docker" "rm" "-f" "52e9fc0a66912465c76f70bf03809d5d239be8fab45009c5b42496ca88992168"`
[INFO] [stdout] 52e9fc0a66912465c76f70bf03809d5d239be8fab45009c5b42496ca88992168