[INFO] fetching crate cedict 0.2.3...
[INFO] testing cedict-0.2.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cedict 0.2.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate cedict 0.2.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cedict 0.2.3
[INFO] finished tweaking crates.io crate cedict 0.2.3
[INFO] tweaked toml for crates.io crate cedict 0.2.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 258204ac85b61bb0dd3923aca26cccb0a201c99710c57977d1dcf97dfd2c72a1
[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" "258204ac85b61bb0dd3923aca26cccb0a201c99710c57977d1dcf97dfd2c72a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258204ac85b61bb0dd3923aca26cccb0a201c99710c57977d1dcf97dfd2c72a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258204ac85b61bb0dd3923aca26cccb0a201c99710c57977d1dcf97dfd2c72a1", kill_on_drop: false }`
[INFO] [stdout] 258204ac85b61bb0dd3923aca26cccb0a201c99710c57977d1dcf97dfd2c72a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4bf1767fa8823edf4ba534e116d63aeae53e5c8a59c778b40a1f3c900b3e919d
[INFO] running `Command { std: "docker" "start" "-a" "4bf1767fa8823edf4ba534e116d63aeae53e5c8a59c778b40a1f3c900b3e919d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cedict v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(conservative_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[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 `cedict` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4bf1767fa8823edf4ba534e116d63aeae53e5c8a59c778b40a1f3c900b3e919d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf1767fa8823edf4ba534e116d63aeae53e5c8a59c778b40a1f3c900b3e919d", kill_on_drop: false }`
[INFO] [stdout] 4bf1767fa8823edf4ba534e116d63aeae53e5c8a59c778b40a1f3c900b3e919d