[INFO] fetching crate arr 0.6.1...
[INFO] testing arr-0.6.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate arr 0.6.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate arr 0.6.1 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 arr 0.6.1
[INFO] finished tweaking crates.io crate arr 0.6.1
[INFO] tweaked toml for crates.io crate arr 0.6.1 written to /workspace/builds/worker-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05bab1ff90e3ed66b1753323c9533f334090785f072a6852563fda13f8454121
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "05bab1ff90e3ed66b1753323c9533f334090785f072a6852563fda13f8454121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05bab1ff90e3ed66b1753323c9533f334090785f072a6852563fda13f8454121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05bab1ff90e3ed66b1753323c9533f334090785f072a6852563fda13f8454121", kill_on_drop: false }`
[INFO] [stdout] 05bab1ff90e3ed66b1753323c9533f334090785f072a6852563fda13f8454121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07c8b1b518748032981609a2bbb62623bf76375dc747b8f40bf4ddb9795464e4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "07c8b1b518748032981609a2bbb62623bf76375dc747b8f40bf4ddb9795464e4", 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]    Compiling arr v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![feature(const_generics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arr` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "07c8b1b518748032981609a2bbb62623bf76375dc747b8f40bf4ddb9795464e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c8b1b518748032981609a2bbb62623bf76375dc747b8f40bf4ddb9795464e4", kill_on_drop: false }`
[INFO] [stdout] 07c8b1b518748032981609a2bbb62623bf76375dc747b8f40bf4ddb9795464e4