[INFO] cloning repository https://github.com/1971cmd/c4_rust_alwathba
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1971cmd/c4_rust_alwathba" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1971cmd%2Fc4_rust_alwathba", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1971cmd%2Fc4_rust_alwathba'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e6bc804cab7f6e3dacf61a3b9a487f19c5bbdac
[INFO] testing 1971cmd/c4_rust_alwathba against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1971cmd%2Fc4_rust_alwathba" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/1971cmd/c4_rust_alwathba
[INFO] finished tweaking git repo https://github.com/1971cmd/c4_rust_alwathba
[INFO] tweaked toml for git repo https://github.com/1971cmd/c4_rust_alwathba written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/1971cmd/c4_rust_alwathba on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/1971cmd/c4_rust_alwathba already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45e83beb07f2f37a47a6967a7fd9c93e971389f3813a6e985a058403654932fa
[INFO] running `Command { std: "docker" "start" "-a" "45e83beb07f2f37a47a6967a7fd9c93e971389f3813a6e985a058403654932fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45e83beb07f2f37a47a6967a7fd9c93e971389f3813a6e985a058403654932fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e83beb07f2f37a47a6967a7fd9c93e971389f3813a6e985a058403654932fa", kill_on_drop: false }`
[INFO] [stdout] 45e83beb07f2f37a47a6967a7fd9c93e971389f3813a6e985a058403654932fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36e268458a2b19efd9e6094d6446f481b1ae4bcb7c709beb4c62925b7ceaf871
[INFO] running `Command { std: "docker" "start" "-a" "36e268458a2b19efd9e6094d6446f481b1ae4bcb7c709beb4c62925b7ceaf871", kill_on_drop: false }`
[INFO] [stderr]    Compiling lab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parent_env`
[INFO] [stdout]    --> src/vm.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let parent_env = self.env_stack.last().unwrap().clone();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/vm.rs:228:47
[INFO] [stdout]     |
[INFO] [stdout] 228 |                         Ok(Value::Function(_, env)) => {
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lexer`
[INFO] [stdout]  --> src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use c4::{Lexer, Parser};
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `Command { std: "docker" "inspect" "36e268458a2b19efd9e6094d6446f481b1ae4bcb7c709beb4c62925b7ceaf871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36e268458a2b19efd9e6094d6446f481b1ae4bcb7c709beb4c62925b7ceaf871", kill_on_drop: false }`
[INFO] [stdout] 36e268458a2b19efd9e6094d6446f481b1ae4bcb7c709beb4c62925b7ceaf871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79264acd3c27ed826a54f38eb2a9a0d3b5b0fc92afd4a5e379c3cc5b9216a1c9
[INFO] running `Command { std: "docker" "start" "-a" "79264acd3c27ed826a54f38eb2a9a0d3b5b0fc92afd4a5e379c3cc5b9216a1c9", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `parent_env`
[INFO] [stdout]    --> src/vm.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let parent_env = self.env_stack.last().unwrap().clone();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/vm.rs:228:47
[INFO] [stdout]     |
[INFO] [stdout] 228 |                         Ok(Value::Function(_, env)) => {
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Lexer`
[INFO] [stdout]    --> src/vm.rs:423:21
[INFO] [stdout]     |
[INFO] [stdout] 423 |     use crate::c4::{Lexer, Parser};
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lexer`
[INFO] [stdout]  --> src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | use c4::{Lexer, Parser};
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parent_env`
[INFO] [stdout]    --> src/vm.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let parent_env = self.env_stack.last().unwrap().clone();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/vm.rs:228:47
[INFO] [stdout]     |
[INFO] [stdout] 228 |                         Ok(Value::Function(_, env)) => {
[INFO] [stdout]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "79264acd3c27ed826a54f38eb2a9a0d3b5b0fc92afd4a5e379c3cc5b9216a1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79264acd3c27ed826a54f38eb2a9a0d3b5b0fc92afd4a5e379c3cc5b9216a1c9", kill_on_drop: false }`
[INFO] [stdout] 79264acd3c27ed826a54f38eb2a9a0d3b5b0fc92afd4a5e379c3cc5b9216a1c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7f8b0c6ecf87a0a110733abdae7d8ecf42279a6dd502e37a59960b8865ef848
[INFO] running `Command { std: "docker" "start" "-a" "b7f8b0c6ecf87a0a110733abdae7d8ecf42279a6dd502e37a59960b8865ef848", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `parent_env`
[INFO] [stderr]    --> src/vm.rs:174:13
[INFO] [stderr]     |
[INFO] [stderr] 174 |         let parent_env = self.env_stack.last().unwrap().clone();
[INFO] [stderr]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent_env`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]    --> src/vm.rs:228:47
[INFO] [stderr]     |
[INFO] [stderr] 228 |                         Ok(Value::Function(_, env)) => {
[INFO] [stderr]     |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] warning: `lab` (lib) generated 2 warnings
[INFO] [stderr] warning: unused import: `Lexer`
[INFO] [stderr]  --> src/main.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | use c4::{Lexer, Parser};
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lab` (bin "lab" test) generated 1 warning (run `cargo fix --bin "lab" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `Lexer`
[INFO] [stderr]    --> src/vm.rs:423:21
[INFO] [stderr]     |
[INFO] [stderr] 423 |     use crate::c4::{Lexer, Parser};
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lab` (lib test) generated 3 warnings (2 duplicates) (run `cargo fix --lib -p lab --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lab-2bcb41f4e573a946)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test c4::tests::test_directive ... ok
[INFO] [stdout] test c4::tests::test_comment ... ok
[INFO] [stdout] test c4::tests::test_c4_snippet ... ok
[INFO] [stdout] test c4::tests::test_hex_number ... ok
[INFO] [stdout] test c4::tests::test_invalid_character ... ok
[INFO] [stdout] test c4::tests::test_extended_keywords ... ok
[INFO] [stdout] test c4::tests::test_invalid_string ... ok
[INFO] [stdout] test c4::tests::test_number ... ok
[INFO] [stdout] test c4::tests::test_keywords ... ok
[INFO] [stdout] test c4::tests::test_octal_number ... ok
[INFO] [stdout] test c4::tests::test_operators ... ok
[INFO] [stdout] test c4::tests::test_parse_assign_stmt ... ok
[INFO] [stdout] test c4::tests::test_parse_complex ... ok
[INFO] [stdout] test c4::tests::test_parse_expr_stmt ... ok
[INFO] [stdout] test c4::tests::test_parse_function_call ... ok
[INFO] [stdout] test c4::tests::test_parse_if_else_stmt ... ok
[INFO] [stdout] test c4::tests::test_parse_number ... ok
[INFO] [stdout] test c4::tests::test_parse_parentheses ... ok
[INFO] [stdout] test c4::tests::test_parse_if_stmt ... ok
[INFO] [stdout] test c4::tests::test_parse_string ... ok
[INFO] [stdout] test c4::tests::test_parse_return_stmt ... ok
[INFO] [stdout] test c4::tests::test_string ... ok
[INFO] [stdout] test vm::tests::test_for_loop ... ignored
[INFO] [stdout] test c4::tests::test_string_escape ... ok
[INFO] [stdout] test vm::tests::test_while_loop ... ignored
[INFO] [stdout] test vm::tests::test_variable_assignment ... ok
[INFO] [stdout] test vm::tests::test_arithmetic ... ok
[INFO] [stdout] test c4::tests::test_parse_unary_minus ... ok
[INFO] [stdout] test c4::tests::test_parse_unary_not ... ok
[INFO] [stdout] test c4::tests::test_parse_precedence ... ok
[INFO] [stdout] test c4::tests::test_punctuation ... ok
[INFO] [stdout] test c4::tests::test_parse_variable ... ok
[INFO] [stdout] test c4::tests::test_identifier ... ok
[INFO] [stdout] test vm::tests::test_if_statement ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lab-8b09270205ab0536)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test c4::tests::test_comment ... ok
[INFO] [stdout] test c4::tests::test_extended_keywords ... ok
[INFO] [stdout] test c4::tests::test_hex_number ... ok
[INFO] [stdout] test c4::tests::test_c4_snippet ... ok
[INFO] [stdout] test c4::tests::test_directive ... ok
[INFO] [stdout] test c4::tests::test_identifier ... ok
[INFO] [stdout] test c4::tests::test_invalid_character ... ok
[INFO] [stdout] test c4::tests::test_invalid_string ... ok
[INFO] [stdout] test c4::tests::test_operators ... ok
[INFO] [stdout] test c4::tests::test_parse_assign_stmt ... ok
[INFO] [stdout] test c4::tests::test_parse_complex ... ok
[INFO] [stdout] test c4::tests::test_number ... ok
[INFO] [stdout] test c4::tests::test_octal_number ... ok
[INFO] [stdout] test c4::tests::test_parse_expr_stmt ... ok
[INFO] [stdout] test c4::tests::test_parse_if_else_stmt ... ok
[INFO] [stdout] test c4::tests::test_parse_if_stmt ... ok
[INFO] [stdout] test c4::tests::test_parse_number ... ok
[INFO] [stdout] test c4::tests::test_parse_parentheses ... ok
[INFO] [stdout] test c4::tests::test_parse_precedence ... ok
[INFO] [stdout] test c4::tests::test_keywords ... ok
[INFO] [stdout] test c4::tests::test_parse_variable ... ok
[INFO] [stdout] test c4::tests::test_parse_unary_minus ... ok
[INFO] [stdout] test c4::tests::test_string ... ok
[INFO] [stdout] test c4::tests::test_string_escape ... ok
[INFO] [stdout] test c4::tests::test_punctuation ... ok
[INFO] [stdout] test c4::tests::test_parse_function_call ... ok
[INFO] [stdout] test c4::tests::test_parse_return_stmt ... ok
[INFO] [stdout] test c4::tests::test_parse_string ... ok
[INFO] [stderr]    Doc-tests lab
[INFO] [stdout] test c4::tests::test_parse_unary_not ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7f8b0c6ecf87a0a110733abdae7d8ecf42279a6dd502e37a59960b8865ef848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f8b0c6ecf87a0a110733abdae7d8ecf42279a6dd502e37a59960b8865ef848", kill_on_drop: false }`
[INFO] [stdout] b7f8b0c6ecf87a0a110733abdae7d8ecf42279a6dd502e37a59960b8865ef848
