[INFO] fetching crate const_type 0.1.3...
[INFO] checking const_type-0.1.3 against beta for pr-78714
[INFO] extracting crate const_type 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate const_type 0.1.3 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 const_type 0.1.3
[INFO] finished tweaking crates.io crate const_type 0.1.3
[INFO] tweaked toml for crates.io crate const_type 0.1.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 13887fd8b93d150949b444ab771f9a568cd033db8833b8b6f918d56d526e8c16
[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" "13887fd8b93d150949b444ab771f9a568cd033db8833b8b6f918d56d526e8c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13887fd8b93d150949b444ab771f9a568cd033db8833b8b6f918d56d526e8c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13887fd8b93d150949b444ab771f9a568cd033db8833b8b6f918d56d526e8c16", kill_on_drop: false }`
[INFO] [stdout] 13887fd8b93d150949b444ab771f9a568cd033db8833b8b6f918d56d526e8c16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6e8bd87c3778638a17241c228d88530cc8adfc9b11b3d0b933af352894bbbb78
[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" "6e8bd87c3778638a17241c228d88530cc8adfc9b11b3d0b933af352894bbbb78", kill_on_drop: false }`
[INFO] [stderr]     Checking const_type v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]   --> tests/main.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |   let foo: Bar = Bar::C;
[INFO] [stdout]    |       ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "6e8bd87c3778638a17241c228d88530cc8adfc9b11b3d0b933af352894bbbb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e8bd87c3778638a17241c228d88530cc8adfc9b11b3d0b933af352894bbbb78", kill_on_drop: false }`
[INFO] [stdout] 6e8bd87c3778638a17241c228d88530cc8adfc9b11b3d0b933af352894bbbb78