[INFO] fetching crate ed 0.1.6...
[INFO] testing ed-0.1.6 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate ed 0.1.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ed 0.1.6 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ed 0.1.6
[INFO] finished tweaking crates.io crate ed 0.1.6
[INFO] tweaked toml for crates.io crate ed 0.1.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded seq-macro v0.1.5
[INFO] [stderr]   Downloaded ed-derive v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c9dcc81bda0cfc886b318cc33b9849f16428a16fe04f4830ba5ab25ec12c9fe
[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" "9c9dcc81bda0cfc886b318cc33b9849f16428a16fe04f4830ba5ab25ec12c9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c9dcc81bda0cfc886b318cc33b9849f16428a16fe04f4830ba5ab25ec12c9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c9dcc81bda0cfc886b318cc33b9849f16428a16fe04f4830ba5ab25ec12c9fe", kill_on_drop: false }`
[INFO] [stdout] 9c9dcc81bda0cfc886b318cc33b9849f16428a16fe04f4830ba5ab25ec12c9fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c27b73999429f0525a5fc46861f5f54b71c033be470930e802463bcabb616ddf
[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" "c27b73999429f0525a5fc46861f5f54b71c033be470930e802463bcabb616ddf", kill_on_drop: false }`
[INFO] [stderr]    Compiling seq-macro v0.1.5
[INFO] [stderr]    Compiling ed-derive v0.1.1
[INFO] [stderr]    Compiling ed v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | #![feature(auto_traits)]
[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 `ed` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c27b73999429f0525a5fc46861f5f54b71c033be470930e802463bcabb616ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c27b73999429f0525a5fc46861f5f54b71c033be470930e802463bcabb616ddf", kill_on_drop: false }`
[INFO] [stdout] c27b73999429f0525a5fc46861f5f54b71c033be470930e802463bcabb616ddf
