[INFO] cloning repository https://github.com/julioolvr/rlox3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julioolvr/rlox3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulioolvr%2Frlox3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulioolvr%2Frlox3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0e2e1e3ef32031ff306b1868fc3680bce9f5b60
[INFO] testing julioolvr/rlox3 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulioolvr%2Frlox3" "/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/julioolvr/rlox3 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/julioolvr/rlox3
[INFO] finished tweaking git repo https://github.com/julioolvr/rlox3
[INFO] tweaked toml for git repo https://github.com/julioolvr/rlox3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/julioolvr/rlox3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 380d5891a4964e6de7d22469b3b2a802237c960290bc72e811a3d3b1b5eea2fa
[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" "380d5891a4964e6de7d22469b3b2a802237c960290bc72e811a3d3b1b5eea2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "380d5891a4964e6de7d22469b3b2a802237c960290bc72e811a3d3b1b5eea2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "380d5891a4964e6de7d22469b3b2a802237c960290bc72e811a3d3b1b5eea2fa", kill_on_drop: false }`
[INFO] [stdout] 380d5891a4964e6de7d22469b3b2a802237c960290bc72e811a3d3b1b5eea2fa
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9816320600a94613acf00a8f6ed7ce419cd8af213b873438cdeb264ab22d639
[INFO] running `Command { std: "docker" "start" "-a" "a9816320600a94613acf00a8f6ed7ce419cd8af213b873438cdeb264ab22d639", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `instructions`
[INFO] [stdout]   --> src/rlox/chunk.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn instructions(&self) -> impl Iterator<Item = &Instruction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         self.expression();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         self.parse_precedence(Precedence::Unary);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         self.parse_precedence(operator_type.precedence().higher());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "a9816320600a94613acf00a8f6ed7ce419cd8af213b873438cdeb264ab22d639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9816320600a94613acf00a8f6ed7ce419cd8af213b873438cdeb264ab22d639", kill_on_drop: false }`
[INFO] [stdout] a9816320600a94613acf00a8f6ed7ce419cd8af213b873438cdeb264ab22d639
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 33961002a2ea4c228c358a3336d08e5c8cb4aebf9de959ca16c04eef4525bd0c
[INFO] running `Command { std: "docker" "start" "-a" "33961002a2ea4c228c358a3336d08e5c8cb4aebf9de959ca16c04eef4525bd0c", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `instructions`
[INFO] [stdout]   --> src/rlox/chunk.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn instructions(&self) -> impl Iterator<Item = &Instruction> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rlox3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         self.expression();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         self.parse_precedence(Precedence::Unary);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         self.parse_precedence(operator_type.precedence().higher());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         self.expression();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         self.parse_precedence(Precedence::Unary);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/rlox/compiler.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         self.parse_precedence(operator_type.precedence().higher());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "33961002a2ea4c228c358a3336d08e5c8cb4aebf9de959ca16c04eef4525bd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33961002a2ea4c228c358a3336d08e5c8cb4aebf9de959ca16c04eef4525bd0c", kill_on_drop: false }`
[INFO] [stdout] 33961002a2ea4c228c358a3336d08e5c8cb4aebf9de959ca16c04eef4525bd0c
[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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e8875aea7648b429a53f548d22caf4e885d719377e2a0877c8e0e4997fccf4d
[INFO] running `Command { std: "docker" "start" "-a" "5e8875aea7648b429a53f548d22caf4e885d719377e2a0877c8e0e4997fccf4d", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `instructions`
[INFO] [stderr]   --> src/rlox/chunk.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn instructions(&self) -> impl Iterator<Item = &Instruction> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/rlox/compiler.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 |         self.expression();
[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: unused `Result` that must be used
[INFO] [stderr]    --> src/rlox/compiler.rs:231:9
[INFO] [stderr]     |
[INFO] [stderr] 231 |         self.parse_precedence(Precedence::Unary);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/rlox/compiler.rs:248:9
[INFO] [stderr]     |
[INFO] [stderr] 248 |         self.parse_precedence(operator_type.precedence().higher());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `rlox3` (lib) generated 4 warnings
[INFO] [stderr] warning: `rlox3` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox3-898a08a468eaf9ac)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test rlox::compiler::tests::test_compile_binary_operator ... ok
[INFO] [stdout] test rlox::compiler::tests::test_compile_error ... ok
[INFO] [stdout] test rlox::compiler::tests::test_compile_unary_operator ... ok
[INFO] [stdout] test rlox::compiler::tests::test_grouping_error ... ok
[INFO] [stdout] test rlox::vm::tests::test_empty_stack_after_binary_operation ... ok
[INFO] [stdout] test rlox::scanner::tests::test_addition ... ok
[INFO] [stdout] test rlox::compiler::tests::test_compile_number ... ok
[INFO] [stdout] test rlox::compiler::tests::test_arithmetic_precedence ... ok
[INFO] [stdout] test rlox::compiler::tests::test_grouping ... ok
[INFO] [stdout] test rlox::vm::tests::test_empty_stack_after_negation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlox3-4dd5ec2c4edd01f1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rlox3
[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] [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" "5e8875aea7648b429a53f548d22caf4e885d719377e2a0877c8e0e4997fccf4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8875aea7648b429a53f548d22caf4e885d719377e2a0877c8e0e4997fccf4d", kill_on_drop: false }`
[INFO] [stdout] 5e8875aea7648b429a53f548d22caf4e885d719377e2a0877c8e0e4997fccf4d