[INFO] updating cached repository https://github.com/NOP0/iec-interpreter
[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] [stderr] From https://github.com/NOP0/iec-interpreter
[INFO] [stderr]    ff79e2b..498f998  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 498f998f8499db747b68f58a0e73c16eb103c0de
[INFO] checking NOP0/iec-interpreter against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNOP0%2Fiec-interpreter" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NOP0/iec-interpreter on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/NOP0/iec-interpreter
[INFO] finished tweaking git repo https://github.com/NOP0/iec-interpreter
[INFO] tweaked toml for git repo https://github.com/NOP0/iec-interpreter written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/NOP0/iec-interpreter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a0588548d3d83aa03fce84d9bb654896429c8e2d99c76cde784af5f624c2072c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a0588548d3d83aa03fce84d9bb654896429c8e2d99c76cde784af5f624c2072c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking iec-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Statement`
[INFO] [stderr]  --> src/parser.rs:2:57
[INFO] [stderr]   |
[INFO] [stderr] 2 |     Assignment, BinaryOp, CompoundStatement, Node, Num, Statement, UnaryOp, Variable,
[INFO] [stderr]   |                                                         ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Statement`
[INFO] [stderr]  --> src/parser.rs:2:57
[INFO] [stderr]   |
[INFO] [stderr] 2 |     Assignment, BinaryOp, CompoundStatement, Node, Num, Statement, UnaryOp, Variable,
[INFO] [stderr]   |                                                         ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/interpreter.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn visit_num(&mut self, num: &Num) {}
[INFO] [stderr]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variable`
[INFO] [stderr]   --> src/interpreter.rs:67:34
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn visit_variable(&mut self, variable: &Variable) {}
[INFO] [stderr]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assignment`
[INFO] [stderr]  --> src/ast.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Assignment(Assignment),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Statement`
[INFO] [stderr]  --> src/ast.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Statement(Statement),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CompoundStatement`
[INFO] [stderr]  --> src/ast.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     CompoundStatement(CompoundStatement),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoOp`
[INFO] [stderr]   --> src/ast.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     NoOp,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoOp`
[INFO] [stderr]   --> src/ast.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     NoOp,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assignment`
[INFO] [stderr]   --> src/ast.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Assignment(Assignment),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/ast.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new() -> CompoundStatement {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `token`
[INFO] [stderr]   --> src/ast.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     token: Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `token`
[INFO] [stderr]   --> src/ast.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     token: Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/ast.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn new(op: Token, left: Node, right: Node) -> Assignment {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `token`
[INFO] [stderr]   --> src/ast.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     token: Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `token`
[INFO] [stderr]   --> src/ast.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     token: Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `token`
[INFO] [stderr]   --> src/ast.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     token: Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Object`
[INFO] [stderr]   --> src/interpreter.rs:81:6
[INFO] [stderr]    |
[INFO] [stderr] 81 | enum Object {
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `no_op`
[INFO] [stderr]    --> src/parser.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn no_op(&mut self) -> Node {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `assignment`
[INFO] [stderr]    --> src/parser.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fn assignment(&mut self) -> Node {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `statement`
[INFO] [stderr]    --> src/parser.rs:122:8
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn statement(&mut self) -> Node {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `statement_list`
[INFO] [stderr]    --> src/parser.rs:139:8
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn statement_list(&mut self) -> Vec<Node> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `compound_statement`
[INFO] [stderr]    --> src/parser.rs:150:8
[INFO] [stderr]     |
[INFO] [stderr] 150 |     fn compound_statement(&mut self) -> Node {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `program`
[INFO] [stderr]    --> src/parser.rs:161:8
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn program(&mut self) -> Node {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoOp`
[INFO] [stderr]   --> src/token.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     NoOp,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num`
[INFO] [stderr]   --> src/interpreter.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn visit_num(&mut self, num: &Num) {}
[INFO] [stderr]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `variable`
[INFO] [stderr]   --> src/interpreter.rs:67:34
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn visit_variable(&mut self, variable: &Variable) {}
[INFO] [stderr]    |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variable`
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assignment`
[INFO] [stderr]  --> src/ast.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Assignment(Assignment),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Statement`
[INFO] [stderr]  --> src/ast.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Statement(Statement),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CompoundStatement`
[INFO] [stderr]  --> src/ast.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     CompoundStatement(CompoundStatement),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoOp`
[INFO] [stderr]   --> src/ast.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     NoOp,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoOp`
[INFO] [stderr]   --> src/ast.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     NoOp,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Assignment`
[INFO] [stderr]   --> src/ast.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Assignment(Assignment),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/ast.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new() -> CompoundStatement {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `token`
[INFO] [stderr]   --> src/ast.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     token: Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `token`
[INFO] [stderr]   --> src/ast.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     token: Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/ast.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn new(op: Token, left: Node, right: Node) -> Assignment {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `token`
[INFO] [stderr]   --> src/ast.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     token: Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `token`
[INFO] [stderr]   --> src/ast.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     token: Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `token`
[INFO] [stderr]   --> src/ast.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     token: Token,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Object`
[INFO] [stderr]   --> src/interpreter.rs:81:6
[INFO] [stderr]    |
[INFO] [stderr] 81 | enum Object {
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `no_op`
[INFO] [stderr]    --> src/parser.rs:105:8
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn no_op(&mut self) -> Node {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `assignment`
[INFO] [stderr]    --> src/parser.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fn assignment(&mut self) -> Node {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `statement`
[INFO] [stderr]    --> src/parser.rs:122:8
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn statement(&mut self) -> Node {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `statement_list`
[INFO] [stderr]    --> src/parser.rs:139:8
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn statement_list(&mut self) -> Vec<Node> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `compound_statement`
[INFO] [stderr]    --> src/parser.rs:150:8
[INFO] [stderr]     |
[INFO] [stderr] 150 |     fn compound_statement(&mut self) -> Node {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `program`
[INFO] [stderr]    --> src/parser.rs:161:8
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn program(&mut self) -> Node {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NoOp`
[INFO] [stderr]   --> src/token.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     NoOp,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "a0588548d3d83aa03fce84d9bb654896429c8e2d99c76cde784af5f624c2072c"`
[INFO] running `"docker" "rm" "-f" "a0588548d3d83aa03fce84d9bb654896429c8e2d99c76cde784af5f624c2072c"`
[INFO] [stdout] a0588548d3d83aa03fce84d9bb654896429c8e2d99c76cde784af5f624c2072c