[INFO] cloning repository https://github.com/malisetti/zigrun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malisetti/zigrun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalisetti%2Fzigrun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalisetti%2Fzigrun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 187b9ee8bb24329bdb25ecee03bf4259a0d891b8
[INFO] checking malisetti/zigrun against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalisetti%2Fzigrun" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/malisetti/zigrun
[INFO] finished tweaking git repo https://github.com/malisetti/zigrun
[INFO] tweaked toml for git repo https://github.com/malisetti/zigrun written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/malisetti/zigrun on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/malisetti/zigrun 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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking malisetti/zigrun against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalisetti%2Fzigrun" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/malisetti/zigrun
[INFO] finished tweaking git repo https://github.com/malisetti/zigrun
[INFO] tweaked toml for git repo https://github.com/malisetti/zigrun written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/malisetti/zigrun on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/malisetti/zigrun 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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 97b44173578b6667e11735c9b7ad412d40816e9cde7505d6d74c53c3e2b2f7ef
[INFO] running `Command { std: "docker" "start" "97b44173578b6667e11735c9b7ad412d40816e9cde7505d6d74c53c3e2b2f7ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97b44173578b6667e11735c9b7ad412d40816e9cde7505d6d74c53c3e2b2f7ef", 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" "97b44173578b6667e11735c9b7ad412d40816e9cde7505d6d74c53c3e2b2f7ef" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97b44173578b6667e11735c9b7ad412d40816e9cde7505d6d74c53c3e2b2f7ef", 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" "97b44173578b6667e11735c9b7ad412d40816e9cde7505d6d74c53c3e2b2f7ef" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking zigrun v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `slice_elem` and `array_leaf_int` are never used
[INFO] [stdout]    --> src/ast.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout]  59 | impl Type {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub fn slice_elem(&self) -> Option<Type> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     pub fn array_leaf_int(&self) -> Option<IntType> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ErrorVariant` is never constructed
[INFO] [stdout]    --> src/ast.rs:404:5
[INFO] [stdout]     |
[INFO] [stdout] 387 | pub enum SwitchTag {
[INFO] [stdout]     |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 404 |     ErrorVariant {
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SwitchTag` 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: function `indexed_lvalue_type_with_funcs` is never used
[INFO] [stdout]     --> src/codegen.rs:2289:4
[INFO] [stdout]      |
[INFO] [stdout] 2289 | fn indexed_lvalue_type_with_funcs(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `infer_error_set_type` is never used
[INFO] [stdout]     --> src/parser.rs:2746:8
[INFO] [stdout]      |
[INFO] [stdout]   61 | impl Parser {
[INFO] [stdout]      | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 2746 |     fn infer_error_set_type(&self, expr: &Expr) -> Option<String> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `slice_elem` and `array_leaf_int` are never used
[INFO] [stdout]    --> src/ast.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout]  59 | impl Type {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 137 |     pub fn slice_elem(&self) -> Option<Type> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 144 |     pub fn array_leaf_int(&self) -> Option<IntType> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ErrorVariant` is never constructed
[INFO] [stdout]    --> src/ast.rs:404:5
[INFO] [stdout]     |
[INFO] [stdout] 387 | pub enum SwitchTag {
[INFO] [stdout]     |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 404 |     ErrorVariant {
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SwitchTag` 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: function `indexed_lvalue_type_with_funcs` is never used
[INFO] [stdout]     --> src/codegen.rs:2289:4
[INFO] [stdout]      |
[INFO] [stdout] 2289 | fn indexed_lvalue_type_with_funcs(
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `infer_error_set_type` is never used
[INFO] [stdout]     --> src/parser.rs:2746:8
[INFO] [stdout]      |
[INFO] [stdout]   61 | impl Parser {
[INFO] [stdout]      | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 2746 |     fn infer_error_set_type(&self, expr: &Expr) -> Option<String> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "97b44173578b6667e11735c9b7ad412d40816e9cde7505d6d74c53c3e2b2f7ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b44173578b6667e11735c9b7ad412d40816e9cde7505d6d74c53c3e2b2f7ef", kill_on_drop: false }`
[INFO] [stdout] 97b44173578b6667e11735c9b7ad412d40816e9cde7505d6d74c53c3e2b2f7ef
