[INFO] fetching crate festive-bot 1.0.12...
[INFO] testing festive-bot-1.0.12 against 1.69.0 for beta-1.70-1
[INFO] extracting crate festive-bot 1.0.12 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate festive-bot 1.0.12 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate festive-bot 1.0.12
[INFO] finished tweaking crates.io crate festive-bot 1.0.12
[INFO] tweaked toml for crates.io crate festive-bot 1.0.12 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate festive-bot 1.0.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0eb181564de9044ef3ec58737106017f5acbc5ba09fa934dbc8ede77bd44092
[INFO] running `Command { std: "docker" "start" "-a" "d0eb181564de9044ef3ec58737106017f5acbc5ba09fa934dbc8ede77bd44092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0eb181564de9044ef3ec58737106017f5acbc5ba09fa934dbc8ede77bd44092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0eb181564de9044ef3ec58737106017f5acbc5ba09fa934dbc8ede77bd44092", kill_on_drop: false }`
[INFO] [stdout] d0eb181564de9044ef3ec58737106017f5acbc5ba09fa934dbc8ede77bd44092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5205ac810bd7badde3caaff90eb722945c211b1d5d08206ce7768052119f03c5
[INFO] running `Command { std: "docker" "start" "-a" "5205ac810bd7badde3caaff90eb722945c211b1d5d08206ce7768052119f03c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling ipnet v2.7.0
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling openssl-sys v0.9.80
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling nix v0.26.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling ctrlc v3.2.4
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling h2 v0.3.15
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.23
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.13
[INFO] [stderr]    Compiling festive-bot v1.0.12 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_group_by)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[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 `festive-bot` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5205ac810bd7badde3caaff90eb722945c211b1d5d08206ce7768052119f03c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5205ac810bd7badde3caaff90eb722945c211b1d5d08206ce7768052119f03c5", kill_on_drop: false }`
[INFO] [stdout] 5205ac810bd7badde3caaff90eb722945c211b1d5d08206ce7768052119f03c5
