[INFO] cloning repository https://github.com/DelSquared/DelSquared-Script
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DelSquared/DelSquared-Script" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSquared%2FDelSquared-Script", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSquared%2FDelSquared-Script'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07077238d98d744c8efd9fdc77b75b39ad5f1c99
[INFO] checking DelSquared/DelSquared-Script against try#54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 for pr-153041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelSquared%2FDelSquared-Script" "/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/DelSquared/DelSquared-Script
[INFO] finished tweaking git repo https://github.com/DelSquared/DelSquared-Script
[INFO] tweaked toml for git repo https://github.com/DelSquared/DelSquared-Script written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DelSquared/DelSquared-Script on toolchain 54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DelSquared/DelSquared-Script 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" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c7de143b5f6e692bdf6d70bad3eea2a44ea1296520bd745d9c9374b4c80af81
[INFO] running `Command { std: "docker" "start" "-a" "2c7de143b5f6e692bdf6d70bad3eea2a44ea1296520bd745d9c9374b4c80af81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c7de143b5f6e692bdf6d70bad3eea2a44ea1296520bd745d9c9374b4c80af81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c7de143b5f6e692bdf6d70bad3eea2a44ea1296520bd745d9c9374b4c80af81", kill_on_drop: false }`
[INFO] [stdout] 2c7de143b5f6e692bdf6d70bad3eea2a44ea1296520bd745d9c9374b4c80af81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc74d5a1d21c549e6ce5b15eb04e942a753ac85556be21f7a04354bda5972dcc
[INFO] running `Command { std: "docker" "start" "-a" "fc74d5a1d21c549e6ce5b15eb04e942a753ac85556be21f7a04354bda5972dcc", kill_on_drop: false }`
[INFO] [stderr]     Checking DelSquared-Script v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: union `Val` is never used
[INFO] [stdout]  --> src/typing.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub union Val {
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Num` is never constructed
[INFO] [stdout]  --> src/typing.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Num {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: union `Val` is never used
[INFO] [stdout]  --> src/typing.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub union Val {
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Num` is never constructed
[INFO] [stdout]  --> src/typing.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Num {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "fc74d5a1d21c549e6ce5b15eb04e942a753ac85556be21f7a04354bda5972dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc74d5a1d21c549e6ce5b15eb04e942a753ac85556be21f7a04354bda5972dcc", kill_on_drop: false }`
[INFO] [stdout] fc74d5a1d21c549e6ce5b15eb04e942a753ac85556be21f7a04354bda5972dcc