[INFO] cloning repository https://github.com/victorcwai/rust-lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/victorcwai/rust-lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorcwai%2Frust-lox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorcwai%2Frust-lox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37f6d2a0be8956250ec7cf95683157dc30d0afb8
[INFO] testing victorcwai/rust-lox against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorcwai%2Frust-lox" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/victorcwai/rust-lox on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/victorcwai/rust-lox
[INFO] finished tweaking git repo https://github.com/victorcwai/rust-lox
[INFO] tweaked toml for git repo https://github.com/victorcwai/rust-lox written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/victorcwai/rust-lox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9fff566aea0a0b36105a95207babe34d6d1f9f70d4a02dee411987ca1fa6722
[INFO] running `Command { std: "docker" "start" "-a" "e9fff566aea0a0b36105a95207babe34d6d1f9f70d4a02dee411987ca1fa6722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9fff566aea0a0b36105a95207babe34d6d1f9f70d4a02dee411987ca1fa6722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9fff566aea0a0b36105a95207babe34d6d1f9f70d4a02dee411987ca1fa6722", kill_on_drop: false }`
[INFO] [stdout] e9fff566aea0a0b36105a95207babe34d6d1f9f70d4a02dee411987ca1fa6722
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 459d7c243027234fdac503ef65ac1d9680c5c503fefc80e1b28c44f5527484cf
[INFO] running `Command { std: "docker" "start" "-a" "459d7c243027234fdac503ef65ac1d9680c5c503fefc80e1b28c44f5527484cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:437:26
[INFO] [stdout]     |
[INFO] [stdout] 437 |     fn binary(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:457:27
[INFO] [stdout]     |
[INFO] [stdout] 457 |     fn literal(&mut self, can_assign: bool) {
[INFO] [stdout]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:466:28
[INFO] [stdout]     |
[INFO] [stdout] 466 |     fn grouping(&mut self, can_assign: bool) {
[INFO] [stdout]     |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:472:26
[INFO] [stdout]     |
[INFO] [stdout] 472 |     fn number(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:481:22
[INFO] [stdout]     |
[INFO] [stdout] 481 |     fn or(&mut self, can_assign: bool) {
[INFO] [stdout]     |                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:494:26
[INFO] [stdout]     |
[INFO] [stdout] 494 |     fn string(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:527:25
[INFO] [stdout]     |
[INFO] [stdout] 527 |     fn unary(&mut self, can_assign: bool) {
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:652:23
[INFO] [stdout]     |
[INFO] [stdout] 652 |     fn and(&mut self, can_assign: bool) {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TypeFunction`
[INFO] [stdout]   --> src/compiler.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     TypeFunction,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `f_type`
[INFO] [stdout]   --> src/compiler.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     f_type: FunctionType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `disassemble_chunk`
[INFO] [stdout]  --> src/debug.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn disassemble_chunk(chunk: &Chunk, name: &str, interner: &Interner) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `disassemble_instruction`
[INFO] [stdout]   --> src/debug.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn disassemble_instruction(chunk: &Chunk, offset: usize, interner: &Interner) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simple_instruction`
[INFO] [stdout]   --> src/debug.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn simple_instruction(name: &str, offset: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `byte_instruction`
[INFO] [stdout]   --> src/debug.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn byte_instruction(name: &str, offset: usize, constant_idx: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `jump_instruction`
[INFO] [stdout]   --> src/debug.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn jump_instruction(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `constant_instruction`
[INFO] [stdout]   --> src/debug.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn constant_instruction(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ok`
[INFO] [stdout]   --> src/vm.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Ok,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 vm.interpret(&buffer);
[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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "459d7c243027234fdac503ef65ac1d9680c5c503fefc80e1b28c44f5527484cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "459d7c243027234fdac503ef65ac1d9680c5c503fefc80e1b28c44f5527484cf", kill_on_drop: false }`
[INFO] [stdout] 459d7c243027234fdac503ef65ac1d9680c5c503fefc80e1b28c44f5527484cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d72d19bb572cc0317c5340738ff0da559b25f3edfccf2caef59c89cf6c92eb9f
[INFO] running `Command { std: "docker" "start" "-a" "d72d19bb572cc0317c5340738ff0da559b25f3edfccf2caef59c89cf6c92eb9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:437:26
[INFO] [stdout]     |
[INFO] [stdout] 437 |     fn binary(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:457:27
[INFO] [stdout]     |
[INFO] [stdout] 457 |     fn literal(&mut self, can_assign: bool) {
[INFO] [stdout]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:466:28
[INFO] [stdout]     |
[INFO] [stdout] 466 |     fn grouping(&mut self, can_assign: bool) {
[INFO] [stdout]     |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:472:26
[INFO] [stdout]     |
[INFO] [stdout] 472 |     fn number(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:481:22
[INFO] [stdout]     |
[INFO] [stdout] 481 |     fn or(&mut self, can_assign: bool) {
[INFO] [stdout]     |                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:494:26
[INFO] [stdout]     |
[INFO] [stdout] 494 |     fn string(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:527:25
[INFO] [stdout]     |
[INFO] [stdout] 527 |     fn unary(&mut self, can_assign: bool) {
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:652:23
[INFO] [stdout]     |
[INFO] [stdout] 652 |     fn and(&mut self, can_assign: bool) {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TypeFunction`
[INFO] [stdout]   --> src/compiler.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     TypeFunction,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `f_type`
[INFO] [stdout]   --> src/compiler.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     f_type: FunctionType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `disassemble_chunk`
[INFO] [stdout]  --> src/debug.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn disassemble_chunk(chunk: &Chunk, name: &str, interner: &Interner) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `disassemble_instruction`
[INFO] [stdout]   --> src/debug.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn disassemble_instruction(chunk: &Chunk, offset: usize, interner: &Interner) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simple_instruction`
[INFO] [stdout]   --> src/debug.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn simple_instruction(name: &str, offset: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `byte_instruction`
[INFO] [stdout]   --> src/debug.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn byte_instruction(name: &str, offset: usize, constant_idx: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `jump_instruction`
[INFO] [stdout]   --> src/debug.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn jump_instruction(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `constant_instruction`
[INFO] [stdout]   --> src/debug.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn constant_instruction(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Ok`
[INFO] [stdout]   --> src/vm.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Ok,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 vm.interpret(&buffer);
[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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_lox-f8101e31ff0dab24)
[INFO] running `Command { std: "docker" "inspect" "d72d19bb572cc0317c5340738ff0da559b25f3edfccf2caef59c89cf6c92eb9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72d19bb572cc0317c5340738ff0da559b25f3edfccf2caef59c89cf6c92eb9f", kill_on_drop: false }`
[INFO] [stdout] d72d19bb572cc0317c5340738ff0da559b25f3edfccf2caef59c89cf6c92eb9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc3dbcfee9720bf700e59e1c12805a0e65382496e6f696ef825530cf60043cd6
[INFO] running `Command { std: "docker" "start" "-a" "bc3dbcfee9720bf700e59e1c12805a0e65382496e6f696ef825530cf60043cd6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `can_assign`
[INFO] [stderr]    --> src/compiler.rs:437:26
[INFO] [stderr]     |
[INFO] [stderr] 437 |     fn binary(&mut self, can_assign: bool) {
[INFO] [stderr]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `can_assign`
[INFO] [stderr]    --> src/compiler.rs:457:27
[INFO] [stderr]     |
[INFO] [stderr] 457 |     fn literal(&mut self, can_assign: bool) {
[INFO] [stderr]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `can_assign`
[INFO] [stderr]    --> src/compiler.rs:466:28
[INFO] [stderr]     |
[INFO] [stderr] 466 |     fn grouping(&mut self, can_assign: bool) {
[INFO] [stderr]     |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `can_assign`
[INFO] [stderr]    --> src/compiler.rs:472:26
[INFO] [stderr]     |
[INFO] [stderr] 472 |     fn number(&mut self, can_assign: bool) {
[INFO] [stderr]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `can_assign`
[INFO] [stderr]    --> src/compiler.rs:481:22
[INFO] [stderr]     |
[INFO] [stderr] 481 |     fn or(&mut self, can_assign: bool) {
[INFO] [stderr]     |                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `can_assign`
[INFO] [stderr]    --> src/compiler.rs:494:26
[INFO] [stderr]     |
[INFO] [stderr] 494 |     fn string(&mut self, can_assign: bool) {
[INFO] [stderr]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `can_assign`
[INFO] [stderr]    --> src/compiler.rs:527:25
[INFO] [stderr]     |
[INFO] [stderr] 527 |     fn unary(&mut self, can_assign: bool) {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `can_assign`
[INFO] [stderr]    --> src/compiler.rs:652:23
[INFO] [stderr]     |
[INFO] [stderr] 652 |     fn and(&mut self, can_assign: bool) {
[INFO] [stderr]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TypeFunction`
[INFO] [stderr]   --> src/compiler.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     TypeFunction,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `f_type`
[INFO] [stderr]   --> src/compiler.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     f_type: FunctionType,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `disassemble_chunk`
[INFO] [stderr]  --> src/debug.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn disassemble_chunk(chunk: &Chunk, name: &str, interner: &Interner) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `disassemble_instruction`
[INFO] [stderr]   --> src/debug.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn disassemble_instruction(chunk: &Chunk, offset: usize, interner: &Interner) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `simple_instruction`
[INFO] [stderr]   --> src/debug.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn simple_instruction(name: &str, offset: usize) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `byte_instruction`
[INFO] [stderr]   --> src/debug.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn byte_instruction(name: &str, offset: usize, constant_idx: usize) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `jump_instruction`
[INFO] [stderr]   --> src/debug.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn jump_instruction(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `constant_instruction`
[INFO] [stderr]   --> src/debug.rs:97:4
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn constant_instruction(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ok`
[INFO] [stderr]   --> src/vm.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Ok,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:51:17
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 vm.interpret(&buffer);
[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: `rust-lox` (bin "rust-lox" test) generated 18 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_lox-f8101e31ff0dab24)
[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" "bc3dbcfee9720bf700e59e1c12805a0e65382496e6f696ef825530cf60043cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3dbcfee9720bf700e59e1c12805a0e65382496e6f696ef825530cf60043cd6", kill_on_drop: false }`
[INFO] [stdout] bc3dbcfee9720bf700e59e1c12805a0e65382496e6f696ef825530cf60043cd6