[INFO] fetching crate rune 0.9.0...
[INFO] checking rune-0.9.0 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate rune 0.9.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rune 0.9.0 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rune 0.9.0
[INFO] finished tweaking crates.io crate rune 0.9.0
[INFO] tweaked toml for crates.io crate rune 0.9.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3337833222e164d427ad98a59be963c7201ff0f805815b90e44cc87de016ccc4
[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" "3337833222e164d427ad98a59be963c7201ff0f805815b90e44cc87de016ccc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3337833222e164d427ad98a59be963c7201ff0f805815b90e44cc87de016ccc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3337833222e164d427ad98a59be963c7201ff0f805815b90e44cc87de016ccc4", kill_on_drop: false }`
[INFO] [stdout] 3337833222e164d427ad98a59be963c7201ff0f805815b90e44cc87de016ccc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 52e8b2ad2b57d5523e4a89098110315e25b1c1d1ed4938ecca1248b141c5a3a9
[INFO] running `Command { std: "docker" "start" "-a" "52e8b2ad2b57d5523e4a89098110315e25b1c1d1ed4938ecca1248b141c5a3a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.6.2
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking rune v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `module`
[INFO] [stdout]   --> src/ir/ir_interpreter.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub(crate) module: Arc<CompileMod>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `module`
[INFO] [stdout]   --> src/ir/ir_interpreter.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub(crate) module: Arc<CompileMod>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 9.29s
[INFO] running `Command { std: "docker" "inspect" "52e8b2ad2b57d5523e4a89098110315e25b1c1d1ed4938ecca1248b141c5a3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52e8b2ad2b57d5523e4a89098110315e25b1c1d1ed4938ecca1248b141c5a3a9", kill_on_drop: false }`
[INFO] [stdout] 52e8b2ad2b57d5523e4a89098110315e25b1c1d1ed4938ecca1248b141c5a3a9