[INFO] fetching crate bundled-crypto 0.2.0...
[INFO] testing bundled-crypto-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate bundled-crypto 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate bundled-crypto 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bundled-crypto 0.2.0
[INFO] finished tweaking crates.io crate bundled-crypto 0.2.0
[INFO] tweaked toml for crates.io crate bundled-crypto 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bcrypt v0.6.3
[INFO] [stderr]   Downloaded libsodium-sys v0.2.6
[INFO] [stderr]   Downloaded sodiumoxide v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66e36db2ba8c1a614268e76339582660531de8878b5a30ed1be72ad4a80b02ed
[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" "66e36db2ba8c1a614268e76339582660531de8878b5a30ed1be72ad4a80b02ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66e36db2ba8c1a614268e76339582660531de8878b5a30ed1be72ad4a80b02ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e36db2ba8c1a614268e76339582660531de8878b5a30ed1be72ad4a80b02ed", kill_on_drop: false }`
[INFO] [stdout] 66e36db2ba8c1a614268e76339582660531de8878b5a30ed1be72ad4a80b02ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54f39e617c2e7f9806cee7864fc3c0643ef156e979f409f09f713049d29f0fb9
[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" "54f39e617c2e7f9806cee7864fc3c0643ef156e979f409f09f713049d29f0fb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling blowfish v0.4.0
[INFO] [stderr]    Compiling bcrypt v0.6.3
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling argon2rs v0.2.5
[INFO] [stderr]    Compiling sodiumoxide v0.2.6
[INFO] [stderr]    Compiling bundled-crypto v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(
[INFO] [stdout] 2 | |     proc_macro_hygiene,
[INFO] [stdout] 3 | |     type_ascription,
[INFO] [stdout] 4 | |     decl_macro,
[INFO] [stdout] 5 | |     try_trait,
[INFO] [stdout] 6 | |     associated_type_defaults
[INFO] [stdout] 7 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]   --> src/algo/cipher/plaintext.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |     type Error = !;
[INFO] [stdout]    |                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]   --> src/algo/cipher/plaintext.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |     type Error = !;
[INFO] [stdout]    |                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]   --> src/algo/cipher/plaintext.rs:81:18
[INFO] [stdout]    |
[INFO] [stdout] 81 |     type Error = !;
[INFO] [stdout]    |                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]   --> src/algo/cipher/plaintext.rs:89:18
[INFO] [stdout]    |
[INFO] [stdout] 89 |     type Error = !;
[INFO] [stdout]    |                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]   --> src/algo/mod.rs:30:18
[INFO] [stdout]    |
[INFO] [stdout] 30 |     type Error = !;
[INFO] [stdout]    |                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bundled-crypto`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "54f39e617c2e7f9806cee7864fc3c0643ef156e979f409f09f713049d29f0fb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f39e617c2e7f9806cee7864fc3c0643ef156e979f409f09f713049d29f0fb9", kill_on_drop: false }`
[INFO] [stdout] 54f39e617c2e7f9806cee7864fc3c0643ef156e979f409f09f713049d29f0fb9