[INFO] cloning repository https://github.com/kei-s/wacir
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kei-s/wacir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkei-s%2Fwacir"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkei-s%2Fwacir'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 87a1d7c0555294383af448cd16a5d89d7ff34a34
[INFO] checking kei-s/wacir against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkei-s%2Fwacir" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kei-s/wacir on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kei-s/wacir
[INFO] finished tweaking git repo https://github.com/kei-s/wacir
[INFO] tweaked toml for git repo https://github.com/kei-s/wacir written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kei-s/wacir already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] 89e4a501289ee90acb9696655b2011060a22c5b8f989983099a35491915979bb
[INFO] running `"docker" "start" "-a" "89e4a501289ee90acb9696655b2011060a22c5b8f989983099a35491915979bb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking wacir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Program`
[INFO] [stderr]    --> src/ast.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 |     Program(Program),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/evaluator.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new() -> Rc<RefCell<Environment>> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `define_macros`
[INFO] [stderr]    --> src/evaluator.rs:502:8
[INFO] [stderr]     |
[INFO] [stderr] 502 | pub fn define_macros(program: &mut Program, env: Rc<RefCell<Environment>>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_macro_definition`
[INFO] [stderr]    --> src/evaluator.rs:517:4
[INFO] [stderr]     |
[INFO] [stderr] 517 | fn is_macro_definition(node: &Statement) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_macro`
[INFO] [stderr]    --> src/evaluator.rs:529:4
[INFO] [stderr]     |
[INFO] [stderr] 529 | fn add_macro(stmt: &Statement, env: Rc<RefCell<Environment>>) {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expand_macros`
[INFO] [stderr]    --> src/evaluator.rs:546:8
[INFO] [stderr]     |
[INFO] [stderr] 546 | pub fn expand_macros(program: Program, env: &mut Rc<RefCell<Environment>>) -> Program {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_macro_call`
[INFO] [stderr]    --> src/evaluator.rs:577:4
[INFO] [stderr]     |
[INFO] [stderr] 577 | fn is_macro_call(exp: &CallExpression, env: &Rc<RefCell<Environment>>) -> Option<Macro> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quote_args`
[INFO] [stderr]    --> src/evaluator.rs:593:4
[INFO] [stderr]     |
[INFO] [stderr] 593 | fn quote_args(exp: &CallExpression) -> Vec<Object> {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Macro`
[INFO] [stderr]   --> src/utils.rs:71:15
[INFO] [stderr]    |
[INFO] [stderr] 71 |               $($a_var($a_ty),)*
[INFO] [stderr]    |                 ^^^^^^^^^^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/object.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | / enum_with_fmt!(
[INFO] [stderr] 11 | |     #[derive(Debug,Clone,PartialEq,Eq)]
[INFO] [stderr] 12 | |     pub enum Object {
[INFO] [stderr] 13 | |         Integer(i64),
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     }
[INFO] [stderr] 28 | | );
[INFO] [stderr]    | |__- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eof`
[INFO] [stderr]  --> src/token.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Eof,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `stack_top`
[INFO] [stderr]    --> src/vm.rs:273:12
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn stack_top(&self) -> Option<&Object> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Eof`
[INFO] [stderr]  --> src/token.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Eof,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `stack_top`
[INFO] [stderr]    --> src/vm.rs:273:12
[INFO] [stderr]     |
[INFO] [stderr] 273 |     pub fn stack_top(&self) -> Option<&Object> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `"docker" "inspect" "89e4a501289ee90acb9696655b2011060a22c5b8f989983099a35491915979bb"`
[INFO] running `"docker" "rm" "-f" "89e4a501289ee90acb9696655b2011060a22c5b8f989983099a35491915979bb"`
[INFO] [stdout] 89e4a501289ee90acb9696655b2011060a22c5b8f989983099a35491915979bb