[INFO] cloning repository https://github.com/kalebstarr/pascal_compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kalebstarr/pascal_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalebstarr%2Fpascal_compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalebstarr%2Fpascal_compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad8041c8d79912be74e89a64e12e4a159993998e
[INFO] checking kalebstarr/pascal_compiler against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalebstarr%2Fpascal_compiler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kalebstarr/pascal_compiler
[INFO] finished tweaking git repo https://github.com/kalebstarr/pascal_compiler
[INFO] tweaked toml for git repo https://github.com/kalebstarr/pascal_compiler written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kalebstarr/pascal_compiler on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kalebstarr/pascal_compiler 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" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "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 kalebstarr/pascal_compiler against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalebstarr%2Fpascal_compiler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kalebstarr/pascal_compiler
[INFO] finished tweaking git repo https://github.com/kalebstarr/pascal_compiler
[INFO] tweaked toml for git repo https://github.com/kalebstarr/pascal_compiler written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kalebstarr/pascal_compiler on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kalebstarr/pascal_compiler 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" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v1.2.0
[INFO] [stderr]   Downloaded lalrpop-util v0.21.0
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbd05590e152320890f7d4bbe66136af723745827928461630c87af24d88a0fd
[INFO] running `Command { std: "docker" "start" "-a" "fbd05590e152320890f7d4bbe66136af723745827928461630c87af24d88a0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbd05590e152320890f7d4bbe66136af723745827928461630c87af24d88a0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd05590e152320890f7d4bbe66136af723745827928461630c87af24d88a0fd", kill_on_drop: false }`
[INFO] [stdout] fbd05590e152320890f7d4bbe66136af723745827928461630c87af24d88a0fd
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3d8021c11e91c54d4c00c46df9adc11cd9af40016e6e0351be3a9ba73c94042
[INFO] running `Command { std: "docker" "start" "-a" "c3d8021c11e91c54d4c00c46df9adc11cd9af40016e6e0351be3a9ba73c94042", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling term v1.2.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking lalrpop-util v0.21.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling lalrpop-util v0.22.2
[INFO] [stderr]    Compiling lalrpop v0.22.2
[INFO] [stderr]    Compiling pascal_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FunctionCall`
[INFO] [stdout]  --> src/type_checker.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 |     BinaryOp, Expr, FunctionCall, FunctionDeclaration, Header, Literal, Program, Statement, Type,
[INFO] [stdout]   |                     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FunctionCall`
[INFO] [stdout]  --> src/type_checker.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 |     BinaryOp, Expr, FunctionCall, FunctionDeclaration, Header, Literal, Program, Statement, Type,
[INFO] [stdout]   |                     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]    --> src/type_checker.rs:127:34
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn check_function(&mut self, function: &FunctionDeclaration) {
[INFO] [stdout]     |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `statement`
[INFO] [stdout]    --> src/type_checker.rs:131:35
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn check_statement(&mut self, statement: &Statement) {
[INFO] [stdout]     |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop_scope` is never used
[INFO] [stdout]   --> src/type_checker.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl TypeChecker {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn pop_scope(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]    --> src/type_checker.rs:127:34
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn check_function(&mut self, function: &FunctionDeclaration) {
[INFO] [stdout]     |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `statement`
[INFO] [stdout]    --> src/type_checker.rs:131:35
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn check_statement(&mut self, statement: &Statement) {
[INFO] [stdout]     |                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pop_scope` is never used
[INFO] [stdout]   --> src/type_checker.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl TypeChecker {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn pop_scope(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[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 16.00s
[INFO] running `Command { std: "docker" "inspect" "c3d8021c11e91c54d4c00c46df9adc11cd9af40016e6e0351be3a9ba73c94042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d8021c11e91c54d4c00c46df9adc11cd9af40016e6e0351be3a9ba73c94042", kill_on_drop: false }`
[INFO] [stdout] c3d8021c11e91c54d4c00c46df9adc11cd9af40016e6e0351be3a9ba73c94042
