[INFO] cloning repository https://github.com/adamchalmers/lox-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adamchalmers/lox-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamchalmers%2Flox-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamchalmers%2Flox-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bd45f36e6a8f37c1c12b4ca7fb3f52f6b38eba9
[INFO] checking adamchalmers/lox-vm against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamchalmers%2Flox-vm" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adamchalmers/lox-vm on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adamchalmers/lox-vm
[INFO] finished tweaking git repo https://github.com/adamchalmers/lox-vm
[INFO] tweaked toml for git repo https://github.com/adamchalmers/lox-vm written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/adamchalmers/lox-vm 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" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking adamchalmers/lox-vm against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamchalmers%2Flox-vm" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adamchalmers/lox-vm on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adamchalmers/lox-vm
[INFO] finished tweaking git repo https://github.com/adamchalmers/lox-vm
[INFO] tweaked toml for git repo https://github.com/adamchalmers/lox-vm written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/adamchalmers/lox-vm 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" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 271fb1da5f5edeb52fdbad1d79a1ae411929072cd825b2f861e01c3a98638f33
[INFO] running `Command { std: "docker" "start" "-a" "271fb1da5f5edeb52fdbad1d79a1ae411929072cd825b2f861e01c3a98638f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "271fb1da5f5edeb52fdbad1d79a1ae411929072cd825b2f861e01c3a98638f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271fb1da5f5edeb52fdbad1d79a1ae411929072cd825b2f861e01c3a98638f33", kill_on_drop: false }`
[INFO] [stdout] 271fb1da5f5edeb52fdbad1d79a1ae411929072cd825b2f861e01c3a98638f33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85af5a99e6e7a082678f23ef8c7099b690e5ccf2a17dcad602122b37a6662d4b
[INFO] running `Command { std: "docker" "start" "-a" "85af5a99e6e7a082678f23ef8c7099b690e5ccf2a17dcad602122b37a6662d4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking lox-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `add_constant` is never used
[INFO] [stdout]   --> src/chunk.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn add_constant(&mut self, value: Value) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `emit_bytes` is never used
[INFO] [stdout]   --> src/compiler.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl<'src, 'chunk> Parser<'src, 'chunk> {
[INFO] [stdout]    | --------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn emit_bytes(&mut self, a: u8, b: u8) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/tokenizer.rs:246:12
[INFO] [stdout]     |
[INFO] [stdout] 245 | impl<'src> Token<'src> {
[INFO] [stdout]     | ---------------------- associated function in this implementation
[INFO] [stdout] 246 |     pub fn new(token_type: TokenType, line: usize, lexeme: &'src str) -> Token<'src> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_constant` is never used
[INFO] [stdout]   --> src/chunk.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Chunk {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn add_constant(&mut self, value: Value) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `emit_bytes` is never used
[INFO] [stdout]   --> src/compiler.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl<'src, 'chunk> Parser<'src, 'chunk> {
[INFO] [stdout]    | --------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn emit_bytes(&mut self, a: u8, b: u8) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lexeme` is never read
[INFO] [stdout]    --> src/tokenizer.rs:242:9
[INFO] [stdout]     |
[INFO] [stdout] 237 | pub struct Token<'src> {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 242 |     pub lexeme: &'src str,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/tokenizer.rs:246:12
[INFO] [stdout]     |
[INFO] [stdout] 245 | impl<'src> Token<'src> {
[INFO] [stdout]     | ---------------------- associated function in this implementation
[INFO] [stdout] 246 |     pub fn new(token_type: TokenType, line: usize, lexeme: &'src str) -> Token<'src> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.77s
[INFO] running `Command { std: "docker" "inspect" "85af5a99e6e7a082678f23ef8c7099b690e5ccf2a17dcad602122b37a6662d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85af5a99e6e7a082678f23ef8c7099b690e5ccf2a17dcad602122b37a6662d4b", kill_on_drop: false }`
[INFO] [stdout] 85af5a99e6e7a082678f23ef8c7099b690e5ccf2a17dcad602122b37a6662d4b