[INFO] cloning repository https://github.com/avandolder/rust_lua
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avandolder/rust_lua" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favandolder%2Frust_lua"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favandolder%2Frust_lua'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 59f102c351eca23c7f6d367a65dbc6c89f6754aa
[INFO] checking avandolder/rust_lua against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favandolder%2Frust_lua" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/avandolder/rust_lua on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/avandolder/rust_lua
[INFO] finished tweaking git repo https://github.com/avandolder/rust_lua
[INFO] tweaked toml for git repo https://github.com/avandolder/rust_lua written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/avandolder/rust_lua already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 078896b2df045ce252a3c2296481d5293c689c396ede88d9eb5fe9ac2cdfc07b
[INFO] running `"docker" "start" "-a" "078896b2df045ce252a3c2296481d5293c689c396ede88d9eb5fe9ac2cdfc07b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking rust_lua v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/interpreter.rs:169:25
[INFO] [stderr]     |
[INFO] [stderr] 169 |                     let name = name.to_string();
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/interpreter.rs:167:36
[INFO] [stderr]     |
[INFO] [stderr] 167 |             Stmt::LocalAssign(lhs, rhs) => {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handles`
[INFO] [stderr]    --> src/interpreter.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let handles = lhs.iter().map(|name| {
[INFO] [stderr]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handles`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/interpreter.rs:169:25
[INFO] [stderr]     |
[INFO] [stderr] 169 |                     let name = name.to_string();
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rhs`
[INFO] [stderr]    --> src/interpreter.rs:167:36
[INFO] [stderr]     |
[INFO] [stderr] 167 |             Stmt::LocalAssign(lhs, rhs) => {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `handles`
[INFO] [stderr]    --> src/interpreter.rs:168:21
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 let handles = lhs.iter().map(|name| {
[INFO] [stderr]     |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_handles`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `globals`
[INFO] [stderr]  --> src/interpreter.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     globals: HashMap<String, Handle>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Outer`
[INFO] [stderr]   --> src/interpreter.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Outer,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `globals`
[INFO] [stderr]  --> src/interpreter.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     globals: HashMap<String, Handle>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Outer`
[INFO] [stderr]   --> src/interpreter.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Outer,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.50s
[INFO] running `"docker" "inspect" "078896b2df045ce252a3c2296481d5293c689c396ede88d9eb5fe9ac2cdfc07b"`
[INFO] running `"docker" "rm" "-f" "078896b2df045ce252a3c2296481d5293c689c396ede88d9eb5fe9ac2cdfc07b"`
[INFO] [stdout] 078896b2df045ce252a3c2296481d5293c689c396ede88d9eb5fe9ac2cdfc07b