[INFO] fetching crate rune 0.9.1...
[INFO] checking rune-0.9.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate rune 0.9.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rune 0.9.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rune 0.9.1
[INFO] finished tweaking crates.io crate rune 0.9.1
[INFO] tweaked toml for crates.io crate rune 0.9.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3463aea25295f83d7b146487ae3cc92b6043aacf18c20947761b45a2ab88612b
[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" "3463aea25295f83d7b146487ae3cc92b6043aacf18c20947761b45a2ab88612b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3463aea25295f83d7b146487ae3cc92b6043aacf18c20947761b45a2ab88612b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3463aea25295f83d7b146487ae3cc92b6043aacf18c20947761b45a2ab88612b", kill_on_drop: false }`
[INFO] [stdout] 3463aea25295f83d7b146487ae3cc92b6043aacf18c20947761b45a2ab88612b
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15dda37710de01190390224bfb63bda3ede0fa240eeae1a2fdb08b28cc0e0923
[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" "15dda37710de01190390224bfb63bda3ede0fa240eeae1a2fdb08b28cc0e0923", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]     Checking rune v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `decl_anon`
[INFO] [stdout]   --> src/compiling/v1/assemble/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     decl_anon: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `offset`
[INFO] [stdout]   --> src/compiling/v1/scopes.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     offset: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/compiling/v1/scopes.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     span: Span,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last`
[INFO] [stdout]   --> src/diagnostics/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub(super) last: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last`
[INFO] [stdout]   --> src/diagnostics/warning.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub(super) last: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `decl_anon`
[INFO] [stdout]   --> src/compiling/v1/assemble/mod.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     decl_anon: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `offset`
[INFO] [stdout]   --> src/compiling/v1/scopes.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     offset: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `span`
[INFO] [stdout]   --> src/compiling/v1/scopes.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     span: Span,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last`
[INFO] [stdout]   --> src/diagnostics/error.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub(super) last: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last`
[INFO] [stdout]   --> src/diagnostics/warning.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub(super) last: Option<usize>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.51s
[INFO] running `Command { std: "docker" "inspect" "15dda37710de01190390224bfb63bda3ede0fa240eeae1a2fdb08b28cc0e0923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15dda37710de01190390224bfb63bda3ede0fa240eeae1a2fdb08b28cc0e0923", kill_on_drop: false }`
[INFO] [stdout] 15dda37710de01190390224bfb63bda3ede0fa240eeae1a2fdb08b28cc0e0923