[INFO] fetching crate tk-redis 0.1.3...
[INFO] testing tk-redis-0.1.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate tk-redis 0.1.3 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate tk-redis 0.1.3 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 tk-redis 0.1.3
[INFO] finished tweaking crates.io crate tk-redis 0.1.3
[INFO] tweaked toml for crates.io crate tk-redis 0.1.3 written to /workspace/builds/worker-22/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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 234c2f38ec13d9d829b9740cefe80f5b98222901467fc1737d320c046eb1f492
[INFO] running `Command { std: "docker" "start" "-a" "234c2f38ec13d9d829b9740cefe80f5b98222901467fc1737d320c046eb1f492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "234c2f38ec13d9d829b9740cefe80f5b98222901467fc1737d320c046eb1f492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "234c2f38ec13d9d829b9740cefe80f5b98222901467fc1737d320c046eb1f492", kill_on_drop: false }`
[INFO] [stdout] 234c2f38ec13d9d829b9740cefe80f5b98222901467fc1737d320c046eb1f492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6559be6aba6fc075d3abee94df3a0b78de0b7a9af209cfca4a624bd8ef1b2259
[INFO] running `Command { std: "docker" "start" "-a" "6559be6aba6fc075d3abee94df3a0b78de0b7a9af209cfca4a624bd8ef1b2259", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nodrop-union v0.1.11
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.10/src/lib.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nodrop-union-0.1.11/src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![feature(untagged_unions)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0740]: unions cannot contain fields that may need dropping
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nodrop-union-0.1.11/src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     value: T,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: a type is guaranteed not to need dropping when it implements `Copy`, or when it is the special `ManuallyDrop<_>` type
[INFO] [stdout] help: when the type does not implement `Copy`, wrap it inside a `ManuallyDrop<_>` and ensure it is manually dropped
[INFO] [stdout]    |
[INFO] [stdout] 35 |     value: std::mem::ManuallyDrop<T>,
[INFO] [stdout]    |            +++++++++++++++++++++++ +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0740.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nodrop-union` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `spin` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6559be6aba6fc075d3abee94df3a0b78de0b7a9af209cfca4a624bd8ef1b2259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6559be6aba6fc075d3abee94df3a0b78de0b7a9af209cfca4a624bd8ef1b2259", kill_on_drop: false }`
[INFO] [stdout] 6559be6aba6fc075d3abee94df3a0b78de0b7a9af209cfca4a624bd8ef1b2259