[INFO] fetching crate konst_macro_rules 0.2.19...
[INFO] checking konst_macro_rules-0.2.19 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate konst_macro_rules 0.2.19 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate konst_macro_rules 0.2.19 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate konst_macro_rules 0.2.19
[INFO] finished tweaking crates.io crate konst_macro_rules 0.2.19
[INFO] tweaked toml for crates.io crate konst_macro_rules 0.2.19 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6da53352f2b02f723cde2ae4baf5dc0479f03168998d7fffd9f2ff06bbc2f193
[INFO] running `Command { std: "docker" "start" "-a" "6da53352f2b02f723cde2ae4baf5dc0479f03168998d7fffd9f2ff06bbc2f193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6da53352f2b02f723cde2ae4baf5dc0479f03168998d7fffd9f2ff06bbc2f193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6da53352f2b02f723cde2ae4baf5dc0479f03168998d7fffd9f2ff06bbc2f193", kill_on_drop: false }`
[INFO] [stdout] 6da53352f2b02f723cde2ae4baf5dc0479f03168998d7fffd9f2ff06bbc2f193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bb8af87fc359c38e1f0a40cd69d39bfb3de17aff05fde1338808b78e77f658e
[INFO] running `Command { std: "docker" "start" "-a" "5bb8af87fc359c38e1f0a40cd69d39bfb3de17aff05fde1338808b78e77f658e", kill_on_drop: false }`
[INFO] [stderr]     Checking konst_macro_rules v0.2.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/utils.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const fn panic(msg: &str) -> ! {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/utils.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub const fn panic(msg: &str) -> ! {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "5bb8af87fc359c38e1f0a40cd69d39bfb3de17aff05fde1338808b78e77f658e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb8af87fc359c38e1f0a40cd69d39bfb3de17aff05fde1338808b78e77f658e", kill_on_drop: false }`
[INFO] [stdout] 5bb8af87fc359c38e1f0a40cd69d39bfb3de17aff05fde1338808b78e77f658e