[INFO] fetching crate luac-parser 0.5.2...
[INFO] testing luac-parser-0.5.2 against 1.76.0 for beta-1.77-1
[INFO] extracting crate luac-parser 0.5.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate luac-parser 0.5.2 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate luac-parser 0.5.2
[INFO] finished tweaking crates.io crate luac-parser 0.5.2
[INFO] tweaked toml for crates.io crate luac-parser 0.5.2 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" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indent_write v2.2.0
[INFO] [stderr]   Downloaded brownstone v3.0.0
[INFO] [stderr]   Downloaded joinery v2.1.0
[INFO] [stderr]   Downloaded nom-supreme v0.8.0
[INFO] [stderr]   Downloaded nom-leb128 v0.2.0
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce4dc027551f73137612b0708d88dbff4bc6d04708893f6566f952ef91cab97a
[INFO] running `Command { std: "docker" "start" "-a" "ce4dc027551f73137612b0708d88dbff4bc6d04708893f6566f952ef91cab97a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce4dc027551f73137612b0708d88dbff4bc6d04708893f6566f952ef91cab97a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce4dc027551f73137612b0708d88dbff4bc6d04708893f6566f952ef91cab97a", kill_on_drop: false }`
[INFO] [stdout] ce4dc027551f73137612b0708d88dbff4bc6d04708893f6566f952ef91cab97a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 149955b2ea578398f14cc8361a7953eaf70d3fedcd96567032de29632c781862
[INFO] running `Command { std: "docker" "start" "-a" "149955b2ea578398f14cc8361a7953eaf70d3fedcd96567032de29632c781862", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling virtue v0.0.13
[INFO] [stderr]    Compiling joinery v2.1.0
[INFO] [stderr]    Compiling indent_write v2.2.0
[INFO] [stderr]    Compiling brownstone v3.0.0
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rmp v0.8.12
[INFO] [stderr]    Compiling nom-leb128 v0.2.0
[INFO] [stderr]    Compiling nom-supreme v0.8.0
[INFO] [stderr]    Compiling rmp-serde v1.1.2
[INFO] [stderr]    Compiling bincode v2.0.0-rc.3
[INFO] [stderr]    Compiling serde_bytes v0.11.14
[INFO] [stderr]    Compiling luac-parser v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_sub_ptr, lazy_cell, box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_sub_ptr, lazy_cell, box_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_sub_ptr, lazy_cell, box_patterns)]
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `luac-parser` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "149955b2ea578398f14cc8361a7953eaf70d3fedcd96567032de29632c781862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "149955b2ea578398f14cc8361a7953eaf70d3fedcd96567032de29632c781862", kill_on_drop: false }`
[INFO] [stdout] 149955b2ea578398f14cc8361a7953eaf70d3fedcd96567032de29632c781862
