[INFO] cloning repository https://github.com/Shemnei/carob
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shemnei/carob" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShemnei%2Fcarob", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShemnei%2Fcarob'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cff817a89e013f6a452fc34960756a41564cddc
[INFO] testing Shemnei/carob against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShemnei%2Fcarob" "/workspace/builds/worker-113/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-113/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  80% (20/25)
Updating files:  84% (21/25)
Updating files:  88% (22/25)
Updating files:  92% (23/25)
Updating files:  96% (24/25)
Updating files: 100% (25/25)
Updating files: 100% (25/25), done.
[INFO] validating manifest of git repo https://github.com/Shemnei/carob on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Shemnei/carob
[INFO] finished tweaking git repo https://github.com/Shemnei/carob
[INFO] tweaked toml for git repo https://github.com/Shemnei/carob written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] crate git repo https://github.com/Shemnei/carob already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8074c955d4c38f2eeb88b7a7b6919e124a5973d356a4f69ce379d758eca3ade5
[INFO] running `Command { std: "docker" "start" "-a" "8074c955d4c38f2eeb88b7a7b6919e124a5973d356a4f69ce379d758eca3ade5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8074c955d4c38f2eeb88b7a7b6919e124a5973d356a4f69ce379d758eca3ade5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8074c955d4c38f2eeb88b7a7b6919e124a5973d356a4f69ce379d758eca3ade5", kill_on_drop: false }`
[INFO] [stdout] 8074c955d4c38f2eeb88b7a7b6919e124a5973d356a4f69ce379d758eca3ade5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c300463749d08fdd1ba7bf9e7dec5a6b256e3b5a966b0949dee50624dd3e94d
[INFO] running `Command { std: "docker" "start" "-a" "4c300463749d08fdd1ba7bf9e7dec5a6b256e3b5a966b0949dee50624dd3e94d", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling carob-lang v0.0.0 (/opt/rustwide/workdir/crates/carob-lang)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> crates/carob-lang/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(char_indices_offset)]
[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 `carob-lang` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4c300463749d08fdd1ba7bf9e7dec5a6b256e3b5a966b0949dee50624dd3e94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c300463749d08fdd1ba7bf9e7dec5a6b256e3b5a966b0949dee50624dd3e94d", kill_on_drop: false }`
[INFO] [stdout] 4c300463749d08fdd1ba7bf9e7dec5a6b256e3b5a966b0949dee50624dd3e94d