[INFO] cloning repository https://github.com/shorinbonsai/rusty_interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shorinbonsai/rusty_interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshorinbonsai%2Frusty_interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshorinbonsai%2Frusty_interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f53eee5bdb3e6912f5b43c3d93cc30b380fc4de
[INFO] checking shorinbonsai/rusty_interpreter against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshorinbonsai%2Frusty_interpreter" "/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/shorinbonsai/rusty_interpreter
[INFO] finished tweaking git repo https://github.com/shorinbonsai/rusty_interpreter
[INFO] tweaked toml for git repo https://github.com/shorinbonsai/rusty_interpreter written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shorinbonsai/rusty_interpreter on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shorinbonsai/rusty_interpreter 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "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 shorinbonsai/rusty_interpreter against try#ddcf048784667508cd676fef4667f88ae15628a3 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshorinbonsai%2Frusty_interpreter" "/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/shorinbonsai/rusty_interpreter
[INFO] finished tweaking git repo https://github.com/shorinbonsai/rusty_interpreter
[INFO] tweaked toml for git repo https://github.com/shorinbonsai/rusty_interpreter written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shorinbonsai/rusty_interpreter on toolchain ddcf048784667508cd676fef4667f88ae15628a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shorinbonsai/rusty_interpreter 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" "+ddcf048784667508cd676fef4667f88ae15628a3" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d12006559160bb4481e55576bb7a4fa92721fa6d36135f4feb7dc6fcad5ab709
[INFO] running `Command { std: "docker" "start" "-a" "d12006559160bb4481e55576bb7a4fa92721fa6d36135f4feb7dc6fcad5ab709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d12006559160bb4481e55576bb7a4fa92721fa6d36135f4feb7dc6fcad5ab709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12006559160bb4481e55576bb7a4fa92721fa6d36135f4feb7dc6fcad5ab709", kill_on_drop: false }`
[INFO] [stdout] d12006559160bb4481e55576bb7a4fa92721fa6d36135f4feb7dc6fcad5ab709
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddcf048784667508cd676fef4667f88ae15628a3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93ca0c9df63257f4007560f2a3a209741447fb4a76714d095cdb40e845760b93
[INFO] running `Command { std: "docker" "start" "-a" "93ca0c9df63257f4007560f2a3a209741447fb4a76714d095cdb40e845760b93", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking rusty_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::lexer::token::*`
[INFO] [stdout]  --> src/lexer/lexer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::lexer::token::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Not_eq` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Not_eq,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `NotEq`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Lt_eq` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Lt_eq,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `LtEq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Gt_eq` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Gt_eq,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `GtEq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexer::token::*`
[INFO] [stdout]  --> src/lexer/lexer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::lexer::token::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Not_eq` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Not_eq,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `NotEq`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Lt_eq` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Lt_eq,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `LtEq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Gt_eq` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Gt_eq,
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to upper camel case: `GtEq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `String`, `Lt_eq`, and `Gt_eq` are never constructed
[INFO] [stdout]   --> src/lexer/token.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout]  8 |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     Lt_eq,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 23 |     Gt_eq,
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `String`, `Lt_eq`, and `Gt_eq` are never constructed
[INFO] [stdout]   --> src/lexer/token.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout]  8 |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     Lt_eq,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 23 |     Gt_eq,
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "93ca0c9df63257f4007560f2a3a209741447fb4a76714d095cdb40e845760b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ca0c9df63257f4007560f2a3a209741447fb4a76714d095cdb40e845760b93", kill_on_drop: false }`
[INFO] [stdout] 93ca0c9df63257f4007560f2a3a209741447fb4a76714d095cdb40e845760b93