[INFO] cloning repository https://github.com/Johanpdrsn/Rux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Johanpdrsn/Rux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohanpdrsn%2FRux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohanpdrsn%2FRux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be2a9b0911c848c10bbb5a40678899d71b206b6f
[INFO] checking Johanpdrsn/Rux against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohanpdrsn%2FRux" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Johanpdrsn/Rux
[INFO] finished tweaking git repo https://github.com/Johanpdrsn/Rux
[INFO] tweaked toml for git repo https://github.com/Johanpdrsn/Rux written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Johanpdrsn/Rux on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Johanpdrsn/Rux 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "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 Johanpdrsn/Rux against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohanpdrsn%2FRux" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Johanpdrsn/Rux
[INFO] finished tweaking git repo https://github.com/Johanpdrsn/Rux
[INFO] tweaked toml for git repo https://github.com/Johanpdrsn/Rux written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Johanpdrsn/Rux on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Johanpdrsn/Rux 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" "+49a6044d37d694890450f52ceaceb66277a36b1e" "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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 553dc32a9a83e587bb2e461c2bc967268831814eb50c826f04edaf6b86b9589e
[INFO] running `Command { std: "docker" "start" "553dc32a9a83e587bb2e461c2bc967268831814eb50c826f04edaf6b86b9589e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "553dc32a9a83e587bb2e461c2bc967268831814eb50c826f04edaf6b86b9589e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "553dc32a9a83e587bb2e461c2bc967268831814eb50c826f04edaf6b86b9589e" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "553dc32a9a83e587bb2e461c2bc967268831814eb50c826f04edaf6b86b9589e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "553dc32a9a83e587bb2e461c2bc967268831814eb50c826f04edaf6b86b9589e" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking Rux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `lines` is never read
[INFO] [stdout]   --> src/chunk.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct Chunk {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 47 |     lines: Vec<u32>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chunk` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write`, `emit_many`, `op_count`, `op_get`, and `op_patch` are never used
[INFO] [stdout]    --> src/chunk.rs:59:12
[INFO] [stdout]     |
[INFO] [stdout]  50 | impl Chunk {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  59 |     pub fn write(&mut self, op: OpCode, line: u32) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     pub fn emit_many(&mut self, ops: &mut Vec<OpCode>) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     pub fn op_count(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn op_get(&self, offset: usize) -> Option<&OpCode> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn op_patch(&mut self, op_offset: usize, new_op: OpCode) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start` and `stop` are never read
[INFO] [stdout]   --> src/token.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Token<'a> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 20 |     pub start: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 21 |     pub stop: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Identifier` is never constructed
[INFO] [stdout]   --> src/token.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 51 |     Identifier,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` 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: field `lines` is never read
[INFO] [stdout]   --> src/chunk.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct Chunk {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 47 |     lines: Vec<u32>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Chunk` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write`, `op_count`, `op_get`, and `op_patch` are never used
[INFO] [stdout]    --> src/chunk.rs:59:12
[INFO] [stdout]     |
[INFO] [stdout]  50 | impl Chunk {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  59 |     pub fn write(&mut self, op: OpCode, line: u32) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     pub fn op_count(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn op_get(&self, offset: usize) -> Option<&OpCode> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     pub fn op_patch(&mut self, op_offset: usize, new_op: OpCode) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start` and `stop` are never read
[INFO] [stdout]   --> src/token.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Token<'a> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 20 |     pub start: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 21 |     pub stop: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Identifier` is never constructed
[INFO] [stdout]   --> src/token.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 51 |     Identifier,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "553dc32a9a83e587bb2e461c2bc967268831814eb50c826f04edaf6b86b9589e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553dc32a9a83e587bb2e461c2bc967268831814eb50c826f04edaf6b86b9589e", kill_on_drop: false }`
[INFO] [stdout] 553dc32a9a83e587bb2e461c2bc967268831814eb50c826f04edaf6b86b9589e
