[INFO] cloning repository https://github.com/cessnao3/ZBasic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cessnao3/ZBasic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcessnao3%2FZBasic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcessnao3%2FZBasic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2ad2bc4050b64bce8d255c76cab32cce0dddbc3
[INFO] checking cessnao3/ZBasic against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcessnao3%2FZBasic" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cessnao3/ZBasic on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cessnao3/ZBasic
[INFO] finished tweaking git repo https://github.com/cessnao3/ZBasic
[INFO] tweaked toml for git repo https://github.com/cessnao3/ZBasic written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/cessnao3/ZBasic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dae272c512fb2c6f3d8925f1b37a89e3f428d141b3892bcf549320790120fa1
[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" "7dae272c512fb2c6f3d8925f1b37a89e3f428d141b3892bcf549320790120fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dae272c512fb2c6f3d8925f1b37a89e3f428d141b3892bcf549320790120fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dae272c512fb2c6f3d8925f1b37a89e3f428d141b3892bcf549320790120fa1", kill_on_drop: false }`
[INFO] [stdout] 7dae272c512fb2c6f3d8925f1b37a89e3f428d141b3892bcf549320790120fa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0e5645fac7449287a0070b5936e06c24bbce3081232e4ce8b393efe2eb1a51d
[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" "f0e5645fac7449287a0070b5936e06c24bbce3081232e4ce8b393efe2eb1a51d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking zbasic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TokenList`
[INFO] [stdout]    --> src/token.rs:426:24
[INFO] [stdout]     |
[INFO] [stdout] 426 |     use super::{Token, TokenList};
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/token.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn reset(&mut self)
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BoolExpressionOperation`
[INFO] [stdout]  --> src/lexer/boolean.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct BoolExpressionOperation
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `BoolExpressionType`
[INFO] [stdout]   --> src/lexer/boolean.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum BoolExpressionType
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BoolExpression`
[INFO] [stdout]   --> src/lexer/boolean.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct BoolExpression
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `BooleanOpType`
[INFO] [stdout]   --> src/lexer/boolean.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum BooleanOpType
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BooleanOp`
[INFO] [stdout]   --> src/lexer/boolean.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct BooleanOp
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/lexer/boolean.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn parse(tokens: &mut TokenList) -> Option<BooleanOp>
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Expression`
[INFO] [stdout]  --> src/lexer/expression.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Expression
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumericExpression`
[INFO] [stdout]   --> src/lexer/expression.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct NumericExpression
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `VarExpression`
[INFO] [stdout]   --> src/lexer/expression.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct VarExpression
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `IfStatement`
[INFO] [stdout]   --> src/lexer/expression.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct IfStatement
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `StatementType`
[INFO] [stdout]   --> src/lexer/expression.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | enum StatementType
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `NumericOpType`
[INFO] [stdout]  --> src/lexer/numeric.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum NumericOpType
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumericOp`
[INFO] [stdout]   --> src/lexer/numeric.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NumericOp
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/lexer/numeric.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn parse(tokens: &mut TokenList) -> Option<NumericOp>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Program`
[INFO] [stdout]  --> src/lexer/program.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Program
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Statement`
[INFO] [stdout]  --> src/lexer/statement.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Statement
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BoolExpressionOperation`
[INFO] [stdout]  --> src/lexer/boolean.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct BoolExpressionOperation
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `BoolExpressionType`
[INFO] [stdout]   --> src/lexer/boolean.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum BoolExpressionType
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BoolExpression`
[INFO] [stdout]   --> src/lexer/boolean.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct BoolExpression
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `BooleanOpType`
[INFO] [stdout]   --> src/lexer/boolean.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum BooleanOpType
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BooleanOp`
[INFO] [stdout]   --> src/lexer/boolean.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct BooleanOp
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/lexer/boolean.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn parse(tokens: &mut TokenList) -> Option<BooleanOp>
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Expression`
[INFO] [stdout]  --> src/lexer/expression.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Expression
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumericExpression`
[INFO] [stdout]   --> src/lexer/expression.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct NumericExpression
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `VarExpression`
[INFO] [stdout]   --> src/lexer/expression.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct VarExpression
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `IfStatement`
[INFO] [stdout]   --> src/lexer/expression.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct IfStatement
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `StatementType`
[INFO] [stdout]   --> src/lexer/expression.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | enum StatementType
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `NumericOpType`
[INFO] [stdout]  --> src/lexer/numeric.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum NumericOpType
[INFO] [stdout]   |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `NumericOp`
[INFO] [stdout]   --> src/lexer/numeric.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct NumericOp
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/lexer/numeric.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn parse(tokens: &mut TokenList) -> Option<NumericOp>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Program`
[INFO] [stdout]  --> src/lexer/program.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Program
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Statement`
[INFO] [stdout]  --> src/lexer/statement.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Statement
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.81s
[INFO] running `Command { std: "docker" "inspect" "f0e5645fac7449287a0070b5936e06c24bbce3081232e4ce8b393efe2eb1a51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e5645fac7449287a0070b5936e06c24bbce3081232e4ce8b393efe2eb1a51d", kill_on_drop: false }`
[INFO] [stdout] f0e5645fac7449287a0070b5936e06c24bbce3081232e4ce8b393efe2eb1a51d