[INFO] fetching crate rlua 0.20.0...
[INFO] checking rlua-0.20.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate rlua 0.20.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rlua 0.20.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rlua 0.20.0
[INFO] finished tweaking crates.io crate rlua 0.20.0
[INFO] tweaked toml for crates.io crate rlua 0.20.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate rlua 0.20.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mlua_derive v0.9.2
[INFO] [stderr]   Downloaded clipboard-win v5.1.0
[INFO] [stderr]   Downloaded mlua-sys v0.5.1
[INFO] [stderr]   Downloaded mlua v0.9.5
[INFO] [stderr]   Downloaded lua-src v546.0.2
[INFO] [stderr]   Downloaded luajit-src v210.5.6+9cc2e42
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30db5bf25377d7f6744190c07c0e51b65698b35a9ef969fc53e3185a710c3b2d
[INFO] running `Command { std: "docker" "start" "-a" "30db5bf25377d7f6744190c07c0e51b65698b35a9ef969fc53e3185a710c3b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30db5bf25377d7f6744190c07c0e51b65698b35a9ef969fc53e3185a710c3b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30db5bf25377d7f6744190c07c0e51b65698b35a9ef969fc53e3185a710c3b2d", kill_on_drop: false }`
[INFO] [stdout] 30db5bf25377d7f6744190c07c0e51b65698b35a9ef969fc53e3185a710c3b2d
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55d840ef0ea6e6ab84ed63e79310d6400d94b5acc1e88f1d37fd64315d37b4e1
[INFO] running `Command { std: "docker" "start" "-a" "55d840ef0ea6e6ab84ed63e79310d6400d94b5acc1e88f1d37fd64315d37b4e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lua-src v546.0.2
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.59/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "55d840ef0ea6e6ab84ed63e79310d6400d94b5acc1e88f1d37fd64315d37b4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d840ef0ea6e6ab84ed63e79310d6400d94b5acc1e88f1d37fd64315d37b4e1", kill_on_drop: false }`
[INFO] [stdout] 55d840ef0ea6e6ab84ed63e79310d6400d94b5acc1e88f1d37fd64315d37b4e1