[INFO] cloning repository https://github.com/SuperCuber/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SuperCuber/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperCuber%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperCuber%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ddc3d8b0d7248a0d9c03ed16bdfb4d29cd996c7
[INFO] checking SuperCuber/rlox against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperCuber%2Frlox" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SuperCuber/rlox on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SuperCuber/rlox
[INFO] finished tweaking git repo https://github.com/SuperCuber/rlox
[INFO] tweaked toml for git repo https://github.com/SuperCuber/rlox written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SuperCuber/rlox 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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking SuperCuber/rlox against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSuperCuber%2Frlox" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SuperCuber/rlox on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SuperCuber/rlox
[INFO] finished tweaking git repo https://github.com/SuperCuber/rlox
[INFO] tweaked toml for git repo https://github.com/SuperCuber/rlox written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SuperCuber/rlox 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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfac1e917d5eaddd5d2dd0402e7343cfd4e578f8490cd3bebc76dd320f38b492
[INFO] running `Command { std: "docker" "start" "-a" "bfac1e917d5eaddd5d2dd0402e7343cfd4e578f8490cd3bebc76dd320f38b492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfac1e917d5eaddd5d2dd0402e7343cfd4e578f8490cd3bebc76dd320f38b492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfac1e917d5eaddd5d2dd0402e7343cfd4e578f8490cd3bebc76dd320f38b492", kill_on_drop: false }`
[INFO] [stdout] bfac1e917d5eaddd5d2dd0402e7343cfd4e578f8490cd3bebc76dd320f38b492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5375be054b48f07cdadf8b161dfe7c218ddee78d654a5342a2c29aa96aa270d
[INFO] running `Command { std: "docker" "start" "-a" "a5375be054b48f07cdadf8b161dfe7c218ddee78d654a5342a2c29aa96aa270d", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.54
[INFO] [stderr]     Checking encode_instruction v0.1.0 (/opt/rustwide/workdir/encode_instruction)
[INFO] [stderr]     Checking quote v1.0.15
[INFO] [stderr]     Checking encode_instruction_derive v0.1.0 (/opt/rustwide/workdir/encode_instruction/encode_instruction_derive)
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> encode_instruction/encode_instruction_derive/src/lib.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{self, DataEnum, Fields, FieldsNamed, FieldsUnnamed, Ident, Variant};
[INFO] [stdout]   |           ^^^^ the item `syn` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> encode_instruction/encode_instruction_derive/src/lib.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{self, DataEnum, Fields, FieldsNamed, FieldsUnnamed, Ident, Variant};
[INFO] [stdout]   |           ^^^^ the item `syn` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> encode_instruction/encode_instruction_derive/src/lib.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{self, DataEnum, Fields, FieldsNamed, FieldsUnnamed, Ident, Variant};
[INFO] [stdout]   |           ^^^^ the item `syn` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bytecode v0.1.0 (/opt/rustwide/workdir/bytecode)
[INFO] [stdout] warning: associated items `new`, `write_code`, and `add_constant` are never used
[INFO] [stdout]   --> bytecode/src/chunk.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Chunk {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new() -> Chunk {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn write_code(&mut self, instruction: OpCode, line: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn add_constant(&mut self, constant: Value) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write_code`, and `add_constant` are never used
[INFO] [stdout]   --> bytecode/src/chunk.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Chunk {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new() -> Chunk {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn write_code(&mut self, instruction: OpCode, line: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn add_constant(&mut self, constant: Value) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Compiler` is never constructed
[INFO] [stdout]   --> bytecode/src/compiler.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Compiler {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Compiler` is never constructed
[INFO] [stdout]   --> bytecode/src/compiler.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Compiler {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> bytecode/src/compiler.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Compiler {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 35 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> bytecode/src/compiler.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl Compiler {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 35 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Boolean` and `Nil` are never constructed
[INFO] [stdout]    --> bytecode/src/scanner.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub enum Literal {
[INFO] [stdout]     |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 279 |     Boolean(bool),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 280 |     Nil,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Literal` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Boolean` and `Nil` are never constructed
[INFO] [stdout]    --> bytecode/src/scanner.rs:279:5
[INFO] [stdout]     |
[INFO] [stdout] 276 | pub enum Literal {
[INFO] [stdout]     |          ------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 279 |     Boolean(bool),
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 280 |     Nil,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Literal` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_statement_start` is never used
[INFO] [stdout]    --> bytecode/src/scanner.rs:303:12
[INFO] [stdout]     |
[INFO] [stdout] 283 | impl Token {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 303 |     pub fn is_statement_start(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_statement_start` is never used
[INFO] [stdout]    --> bytecode/src/scanner.rs:303:12
[INFO] [stdout]     |
[INFO] [stdout] 283 | impl Token {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 303 |     pub fn is_statement_start(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Compile` and `Runtime` are never constructed
[INFO] [stdout]   --> bytecode/src/vm.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub enum VMError {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 95 |     Compile,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 96 |     Runtime,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VMError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Compile` and `Runtime` are never constructed
[INFO] [stdout]   --> bytecode/src/vm.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub enum VMError {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 95 |     Compile,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 96 |     Runtime,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VMError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir/interpreter)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "a5375be054b48f07cdadf8b161dfe7c218ddee78d654a5342a2c29aa96aa270d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5375be054b48f07cdadf8b161dfe7c218ddee78d654a5342a2c29aa96aa270d", kill_on_drop: false }`
[INFO] [stdout] a5375be054b48f07cdadf8b161dfe7c218ddee78d654a5342a2c29aa96aa270d