[INFO] fetching crate htmlm 0.5.0...
[INFO] testing htmlm-0.5.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate htmlm 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate htmlm 0.5.0
[INFO] finished tweaking crates.io crate htmlm 0.5.0
[INFO] tweaked toml for crates.io crate htmlm 0.5.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate htmlm 0.5.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded htmlm-macro v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64efd6d896c83f5dc3f8610defe84d3af3caae294df786a088a785e18773fee7
[INFO] running `Command { std: "docker" "start" "-a" "64efd6d896c83f5dc3f8610defe84d3af3caae294df786a088a785e18773fee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64efd6d896c83f5dc3f8610defe84d3af3caae294df786a088a785e18773fee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64efd6d896c83f5dc3f8610defe84d3af3caae294df786a088a785e18773fee7", kill_on_drop: false }`
[INFO] [stdout] 64efd6d896c83f5dc3f8610defe84d3af3caae294df786a088a785e18773fee7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7cd3f35bae37c312961facf23cbe5cf100aed4a8e25d4322c2e15e1f60962f7
[INFO] running `Command { std: "docker" "start" "-a" "e7cd3f35bae37c312961facf23cbe5cf100aed4a8e25d4322c2e15e1f60962f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling htmlm-macro v0.3.0
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/htmlm-macro-0.3.0/src/lib.rs:262:20
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 if let proc_macro::TokenTree::Group(g) = &t
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `htmlm-macro` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e7cd3f35bae37c312961facf23cbe5cf100aed4a8e25d4322c2e15e1f60962f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7cd3f35bae37c312961facf23cbe5cf100aed4a8e25d4322c2e15e1f60962f7", kill_on_drop: false }`
[INFO] [stdout] e7cd3f35bae37c312961facf23cbe5cf100aed4a8e25d4322c2e15e1f60962f7