[INFO] fetching crate enum_default 0.2.5...
[INFO] checking enum_default-0.2.5 against beta for pr-78714
[INFO] extracting crate enum_default 0.2.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate enum_default 0.2.5 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enum_default 0.2.5
[INFO] finished tweaking crates.io crate enum_default 0.2.5
[INFO] tweaked toml for crates.io crate enum_default 0.2.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate enum_default 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3efb79c01b7e9bbb919f9632ed60b2f74bf577e03c080e78d833d5bb3110f25d
[INFO] running `Command { std: "docker" "start" "-a" "3efb79c01b7e9bbb919f9632ed60b2f74bf577e03c080e78d833d5bb3110f25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3efb79c01b7e9bbb919f9632ed60b2f74bf577e03c080e78d833d5bb3110f25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3efb79c01b7e9bbb919f9632ed60b2f74bf577e03c080e78d833d5bb3110f25d", kill_on_drop: false }`
[INFO] [stdout] 3efb79c01b7e9bbb919f9632ed60b2f74bf577e03c080e78d833d5bb3110f25d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 494c9d97299d3d663cd901ca7fcef5a1e19df50e1af68238260c50c135faed56
[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" "494c9d97299d3d663cd901ca7fcef5a1e19df50e1af68238260c50c135faed56", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking enum_default v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Second`
[INFO] [stdout]  --> examples/test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Second,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `First`
[INFO] [stdout]   --> examples/test.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     First,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.86s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "494c9d97299d3d663cd901ca7fcef5a1e19df50e1af68238260c50c135faed56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494c9d97299d3d663cd901ca7fcef5a1e19df50e1af68238260c50c135faed56", kill_on_drop: false }`
[INFO] [stdout] 494c9d97299d3d663cd901ca7fcef5a1e19df50e1af68238260c50c135faed56