[INFO] fetching crate bot-rs-core 0.4.4...
[INFO] checking bot-rs-core-0.4.4 against beta for pr-78714
[INFO] extracting crate bot-rs-core 0.4.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bot-rs-core 0.4.4 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bot-rs-core 0.4.4
[INFO] finished tweaking crates.io crate bot-rs-core 0.4.4
[INFO] tweaked toml for crates.io crate bot-rs-core 0.4.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] addf96ebc46e8ebe75b22318a91e9480e3abe8e8b278dc195f98fa53d9ac6099
[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" "addf96ebc46e8ebe75b22318a91e9480e3abe8e8b278dc195f98fa53d9ac6099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "addf96ebc46e8ebe75b22318a91e9480e3abe8e8b278dc195f98fa53d9ac6099", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "addf96ebc46e8ebe75b22318a91e9480e3abe8e8b278dc195f98fa53d9ac6099", kill_on_drop: false }`
[INFO] [stdout] addf96ebc46e8ebe75b22318a91e9480e3abe8e8b278dc195f98fa53d9ac6099
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a2e090ede0e19fa60d6706708599a3456e21947c6f0ffe8cab74d8aa9fe51ac
[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" "1a2e090ede0e19fa60d6706708599a3456e21947c6f0ffe8cab74d8aa9fe51ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling openssl-src v111.12.0+1.1.1h
[INFO] [stderr]     Checking libloading v0.6.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]    Compiling bot-rs-core v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking irc-rust v0.3.2
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[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(proc_macro_hygiene, decl_macro, optin_builtin_traits, negative_impls)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `bot_rs_core_derive`
[INFO] [stdout]    --> src/plugin.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     use bot_rs_core_derive::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `bot_rs_core_derive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `StreamablePlugin` in this scope
[INFO] [stdout]    --> src/plugin.rs:175:21
[INFO] [stdout]     |
[INFO] [stdout] 175 |     #[derive(Debug, StreamablePlugin)]
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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(proc_macro_hygiene, decl_macro, optin_builtin_traits, negative_impls)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate as bot_rs_core`
[INFO] [stdout]    --> src/plugin.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 173 |     use crate as bot_rs_core;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bot-rs-core`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `stream` found for struct `TestCommand` in the current scope
[INFO] [stdout]    --> src/plugin.rs:214:20
[INFO] [stdout]     |
[INFO] [stdout] 176 |     struct TestCommand;
[INFO] [stdout]     |     ------------------- method `stream` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 214 |             plugin.stream(input_receiver, output_sender).await.unwrap();
[INFO] [stdout]     |                    ^^^^^^ method not found in `TestCommand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `StreamablePlugin` defines an item `stream`, perhaps you need to implement it
[INFO] [stdout]    --> src/plugin.rs:52:1
[INFO] [stdout]     |
[INFO] [stdout] 52  | pub trait StreamablePlugin: Send + Sync + Debug {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamablePlugin`
[INFO] [stdout]    --> src/plugin.rs:165:58
[INFO] [stdout]     |
[INFO] [stdout] 165 |     use crate::plugin::{Plugin, PluginError, PluginInfo, StreamablePlugin};
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1a2e090ede0e19fa60d6706708599a3456e21947c6f0ffe8cab74d8aa9fe51ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a2e090ede0e19fa60d6706708599a3456e21947c6f0ffe8cab74d8aa9fe51ac", kill_on_drop: false }`
[INFO] [stdout] 1a2e090ede0e19fa60d6706708599a3456e21947c6f0ffe8cab74d8aa9fe51ac