[INFO] fetching crate htmlm 0.5.0...
[INFO] checking htmlm-0.5.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate htmlm 0.5.0 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate htmlm 0.5.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fafdcd31eedd17c1441ce0aa285a2ff144a3f0577a2c31ac2fd03eabddb34c19
[INFO] running `Command { std: "docker" "start" "-a" "fafdcd31eedd17c1441ce0aa285a2ff144a3f0577a2c31ac2fd03eabddb34c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fafdcd31eedd17c1441ce0aa285a2ff144a3f0577a2c31ac2fd03eabddb34c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafdcd31eedd17c1441ce0aa285a2ff144a3f0577a2c31ac2fd03eabddb34c19", kill_on_drop: false }`
[INFO] [stdout] fafdcd31eedd17c1441ce0aa285a2ff144a3f0577a2c31ac2fd03eabddb34c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d7f2413bb0eeb426460fa886c06416e479a1a97c72153cb30011cdb251dcf6f
[INFO] running `Command { std: "docker" "start" "-a" "2d7f2413bb0eeb426460fa886c06416e479a1a97c72153cb30011cdb251dcf6f", 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" "2d7f2413bb0eeb426460fa886c06416e479a1a97c72153cb30011cdb251dcf6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d7f2413bb0eeb426460fa886c06416e479a1a97c72153cb30011cdb251dcf6f", kill_on_drop: false }`
[INFO] [stdout] 2d7f2413bb0eeb426460fa886c06416e479a1a97c72153cb30011cdb251dcf6f