[INFO] fetching crate lalrproc 0.0.7...
[INFO] testing lalrproc-0.0.7 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate lalrproc 0.0.7 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate lalrproc 0.0.7 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lalrproc 0.0.7
[INFO] finished tweaking crates.io crate lalrproc 0.0.7
[INFO] tweaked toml for crates.io crate lalrproc 0.0.7 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d6807b307196f6a3f32d861b22a1f92674678aff7811259e01f4b5dd2eb1e00
[INFO] running `Command { std: "docker" "start" "-a" "2d6807b307196f6a3f32d861b22a1f92674678aff7811259e01f4b5dd2eb1e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d6807b307196f6a3f32d861b22a1f92674678aff7811259e01f4b5dd2eb1e00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6807b307196f6a3f32d861b22a1f92674678aff7811259e01f4b5dd2eb1e00", kill_on_drop: false }`
[INFO] [stdout] 2d6807b307196f6a3f32d861b22a1f92674678aff7811259e01f4b5dd2eb1e00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e0ff345bc023f4b2fe5f86d6d8039ec944a7276a482fe7915bb644f0f837055
[INFO] running `Command { std: "docker" "start" "-a" "5e0ff345bc023f4b2fe5f86d6d8039ec944a7276a482fe7915bb644f0f837055", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling lalrpop-util v0.19.7
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling string_cache v0.8.4
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling lalrpop v0.19.7
[INFO] [stderr]    Compiling lalrproc v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lalrproc` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5e0ff345bc023f4b2fe5f86d6d8039ec944a7276a482fe7915bb644f0f837055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0ff345bc023f4b2fe5f86d6d8039ec944a7276a482fe7915bb644f0f837055", kill_on_drop: false }`
[INFO] [stdout] 5e0ff345bc023f4b2fe5f86d6d8039ec944a7276a482fe7915bb644f0f837055