[INFO] cloning repository https://github.com/Torrencem/addcomb_kyle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Torrencem/addcomb_kyle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTorrencem%2Faddcomb_kyle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTorrencem%2Faddcomb_kyle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51915fb1555806eeb60d72b1a494cc07a25a4bda
[INFO] documenting Torrencem/addcomb_kyle against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTorrencem%2Faddcomb_kyle" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Torrencem/addcomb_kyle on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Torrencem/addcomb_kyle
[INFO] finished tweaking git repo https://github.com/Torrencem/addcomb_kyle
[INFO] tweaked toml for git repo https://github.com/Torrencem/addcomb_kyle written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Torrencem/addcomb_kyle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b56dcdb9671684d177e6f0550c9276123cef12b7418b240679c87429c54d632
[INFO] running `Command { std: "docker" "start" "-a" "5b56dcdb9671684d177e6f0550c9276123cef12b7418b240679c87429c54d632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b56dcdb9671684d177e6f0550c9276123cef12b7418b240679c87429c54d632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b56dcdb9671684d177e6f0550c9276123cef12b7418b240679c87429c54d632", kill_on_drop: false }`
[INFO] [stdout] 5b56dcdb9671684d177e6f0550c9276123cef12b7418b240679c87429c54d632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80e162993fcbd3fca4781bfe4d72057be93b46bd6f485cc4b902f17c3b657742
[INFO] running `Command { std: "docker" "start" "-a" "80e162993fcbd3fca4781bfe4d72057be93b46bd6f485cc4b902f17c3b657742", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]     Checking specialize v0.0.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking addcomb_comp v0.1.5 (https://github.com/Torrencem/addcomb-comp?branch=main#4680e352)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/addcomb-comp-4a6049494817a3ac/4680e35/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[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 `addcomb_comp` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "80e162993fcbd3fca4781bfe4d72057be93b46bd6f485cc4b902f17c3b657742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e162993fcbd3fca4781bfe4d72057be93b46bd6f485cc4b902f17c3b657742", kill_on_drop: false }`
[INFO] [stdout] 80e162993fcbd3fca4781bfe4d72057be93b46bd6f485cc4b902f17c3b657742