[INFO] cloning repository https://github.com/srleyva/monkey-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/srleyva/monkey-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrleyva%2Fmonkey-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrleyva%2Fmonkey-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75364b421f497c5f8290075a8f1f39ad568c4166
[INFO] checking srleyva/monkey-rust against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsrleyva%2Fmonkey-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/srleyva/monkey-rust on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/srleyva/monkey-rust
[INFO] finished tweaking git repo https://github.com/srleyva/monkey-rust
[INFO] tweaked toml for git repo https://github.com/srleyva/monkey-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/srleyva/monkey-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fba2102b88f42bf328fcf3b7a7e5fb6b36d6bc7dae7c9cab01e349258d1ec56f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fba2102b88f42bf328fcf3b7a7e5fb6b36d6bc7dae7c9cab01e349258d1ec56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fba2102b88f42bf328fcf3b7a7e5fb6b36d6bc7dae7c9cab01e349258d1ec56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba2102b88f42bf328fcf3b7a7e5fb6b36d6bc7dae7c9cab01e349258d1ec56f", kill_on_drop: false }`
[INFO] [stdout] fba2102b88f42bf328fcf3b7a7e5fb6b36d6bc7dae7c9cab01e349258d1ec56f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de7abe3843f983daa7d81d0456cde46f0909fbb26ae574e57ff97ac9fb2d43de
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de7abe3843f983daa7d81d0456cde46f0909fbb26ae574e57ff97ac9fb2d43de", kill_on_drop: false }`
[INFO] [stderr]     Checking monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `NOT_EQ` should have an upper camel case name
[INFO] [stdout]   --> src/lexer/token.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     NOT_EQ,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `NotEq`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` 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:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     NOT_EQ,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `NotEq`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parser/parser.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(mut lexer: lexer::Lexer<'a>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parser/parser.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(mut lexer: lexer::Lexer<'a>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "de7abe3843f983daa7d81d0456cde46f0909fbb26ae574e57ff97ac9fb2d43de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de7abe3843f983daa7d81d0456cde46f0909fbb26ae574e57ff97ac9fb2d43de", kill_on_drop: false }`
[INFO] [stdout] de7abe3843f983daa7d81d0456cde46f0909fbb26ae574e57ff97ac9fb2d43de