[INFO] cloning repository https://github.com/cdsiats/super-tiny-compiler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdsiats/super-tiny-compiler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdsiats%2Fsuper-tiny-compiler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdsiats%2Fsuper-tiny-compiler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8cfee80c51f4bd75eb7ecc10cf098c33b5a1a2d5
[INFO] checking cdsiats/super-tiny-compiler-rust against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdsiats%2Fsuper-tiny-compiler-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cdsiats/super-tiny-compiler-rust
[INFO] finished tweaking git repo https://github.com/cdsiats/super-tiny-compiler-rust
[INFO] tweaked toml for git repo https://github.com/cdsiats/super-tiny-compiler-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cdsiats/super-tiny-compiler-rust on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cdsiats/super-tiny-compiler-rust 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "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 cdsiats/super-tiny-compiler-rust against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdsiats%2Fsuper-tiny-compiler-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cdsiats/super-tiny-compiler-rust
[INFO] finished tweaking git repo https://github.com/cdsiats/super-tiny-compiler-rust
[INFO] tweaked toml for git repo https://github.com/cdsiats/super-tiny-compiler-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cdsiats/super-tiny-compiler-rust on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cdsiats/super-tiny-compiler-rust 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47e63a91b9dff9c300caac97818f4a07ebd8fdf48e5a9c43060afc0f6878f8ee
[INFO] running `Command { std: "docker" "start" "-a" "47e63a91b9dff9c300caac97818f4a07ebd8fdf48e5a9c43060afc0f6878f8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47e63a91b9dff9c300caac97818f4a07ebd8fdf48e5a9c43060afc0f6878f8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e63a91b9dff9c300caac97818f4a07ebd8fdf48e5a9c43060afc0f6878f8ee", kill_on_drop: false }`
[INFO] [stdout] 47e63a91b9dff9c300caac97818f4a07ebd8fdf48e5a9c43060afc0f6878f8ee
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fc8daa57802dcca2ebebb6634c36fb8a79198afdaa7424f3244d38d1bd62b91
[INFO] running `Command { std: "docker" "start" "-a" "7fc8daa57802dcca2ebebb6634c36fb8a79198afdaa7424f3244d38d1bd62b91", kill_on_drop: false }`
[INFO] [stderr]     Checking super-tiny-compiler-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::tokens`
[INFO] [stdout]    --> src/lexer.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     use crate::tokens;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]  --> src/parser.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Node {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> src/parser.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Parser {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `advance`, `current_token`, `parse_program`, and `parse_expression` are never used
[INFO] [stdout]   --> src/parser.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Parser {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 27 |     pub fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn advance(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn current_token(&mut self) -> Option<Token> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn parse_program(&mut self) -> Node {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn parse_expression(&mut self) -> Node {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "7fc8daa57802dcca2ebebb6634c36fb8a79198afdaa7424f3244d38d1bd62b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc8daa57802dcca2ebebb6634c36fb8a79198afdaa7424f3244d38d1bd62b91", kill_on_drop: false }`
[INFO] [stdout] 7fc8daa57802dcca2ebebb6634c36fb8a79198afdaa7424f3244d38d1bd62b91
