[INFO] fetching crate bot-rs-core 0.4.4...
[INFO] testing bot-rs-core-0.4.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate bot-rs-core 0.4.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bot-rs-core 0.4.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd185aef6c4452f33690dea9c8df610e293b57c3355020349f5709ff4e520f86
[INFO] running `Command { std: "docker" "start" "-a" "bd185aef6c4452f33690dea9c8df610e293b57c3355020349f5709ff4e520f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd185aef6c4452f33690dea9c8df610e293b57c3355020349f5709ff4e520f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd185aef6c4452f33690dea9c8df610e293b57c3355020349f5709ff4e520f86", kill_on_drop: false }`
[INFO] [stdout] bd185aef6c4452f33690dea9c8df610e293b57c3355020349f5709ff4e520f86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10efd71b8f1973966d27f3cff6d2d9149837d1eb7846ee1045eab01917b13c50
[INFO] running `Command { std: "docker" "start" "-a" "10efd71b8f1973966d27f3cff6d2d9149837d1eb7846ee1045eab01917b13c50", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling openssl-src v111.17.0+1.1.1m
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling dirs-next v1.0.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling bot-rs-core v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling irc-rust v0.3.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_hygiene, decl_macro, optin_builtin_traits, negative_impls)]
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/command_access.rs:5:12
[INFO] [stdout]     |
[INFO] [stdout] 5   | use serde::export::Formatter;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.136/src/lib.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 276 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/profile.rs:5:12
[INFO] [stdout]     |
[INFO] [stdout] 5   | use serde::export::fmt::Display;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.136/src/lib.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 276 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/profile.rs:6:12
[INFO] [stdout]     |
[INFO] [stdout] 6   | use serde::export::Formatter;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.136/src/lib.rs:276:5
[INFO] [stdout]     |
[INFO] [stdout] 276 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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 stable 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[E0658]: auto traits are experimental and possibly buggy
[INFO] [stdout]   --> src/plugin.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub auto trait NotInvocErr {}
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557, E0603, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bot-rs-core` due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "10efd71b8f1973966d27f3cff6d2d9149837d1eb7846ee1045eab01917b13c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10efd71b8f1973966d27f3cff6d2d9149837d1eb7846ee1045eab01917b13c50", kill_on_drop: false }`
[INFO] [stdout] 10efd71b8f1973966d27f3cff6d2d9149837d1eb7846ee1045eab01917b13c50