[INFO] cloning repository https://github.com/numanelahi/rust-monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/numanelahi/rust-monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnumanelahi%2Frust-monkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnumanelahi%2Frust-monkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5bdbcf6f7c70954228dfcfb5fb49ae6e5062669
[INFO] checking numanelahi/rust-monkey against master#01706e1a34c87656fcbfce198608f4cd2ac6461a for pr-135272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnumanelahi%2Frust-monkey" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/numanelahi/rust-monkey on toolchain 01706e1a34c87656fcbfce198608f4cd2ac6461a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/numanelahi/rust-monkey
[INFO] finished tweaking git repo https://github.com/numanelahi/rust-monkey
[INFO] tweaked toml for git repo https://github.com/numanelahi/rust-monkey written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/numanelahi/rust-monkey 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" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded users v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fdb8dc85992a13d80b0f37fb8f6c8d6778cf386d885e485ffd9033d188250a0
[INFO] running `Command { std: "docker" "start" "-a" "2fdb8dc85992a13d80b0f37fb8f6c8d6778cf386d885e485ffd9033d188250a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fdb8dc85992a13d80b0f37fb8f6c8d6778cf386d885e485ffd9033d188250a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fdb8dc85992a13d80b0f37fb8f6c8d6778cf386d885e485ffd9033d188250a0", kill_on_drop: false }`
[INFO] [stdout] 2fdb8dc85992a13d80b0f37fb8f6c8d6778cf386d885e485ffd9033d188250a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1c3d9ff0fd91de1632338c5c521e09d2ca5c5de48c207c4c7f209fc0c0242d5
[INFO] running `Command { std: "docker" "start" "-a" "c1c3d9ff0fd91de1632338c5c521e09d2ca5c5de48c207c4c7f209fc0c0242d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `as_any` is never used
[INFO] [stdout]   --> src/ast.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub trait Downcast: Node {
[INFO] [stdout]    |           -------- method in this trait
[INFO] [stdout] 46 |     fn as_any(&self) -> &dyn Any;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "c1c3d9ff0fd91de1632338c5c521e09d2ca5c5de48c207c4c7f209fc0c0242d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c3d9ff0fd91de1632338c5c521e09d2ca5c5de48c207c4c7f209fc0c0242d5", kill_on_drop: false }`
[INFO] [stdout] c1c3d9ff0fd91de1632338c5c521e09d2ca5c5de48c207c4c7f209fc0c0242d5
