[INFO] fetching crate festive-bot 1.1.0...
[INFO] testing festive-bot-1.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate festive-bot 1.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate festive-bot 1.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate festive-bot 1.1.0
[INFO] finished tweaking crates.io crate festive-bot 1.1.0
[INFO] tweaked toml for crates.io crate festive-bot 1.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate festive-bot 1.1.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2702e8687f3ab050ee85bd232cbef889be39a96af988f07186825f0eaada32a3
[INFO] running `Command { std: "docker" "start" "-a" "2702e8687f3ab050ee85bd232cbef889be39a96af988f07186825f0eaada32a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2702e8687f3ab050ee85bd232cbef889be39a96af988f07186825f0eaada32a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2702e8687f3ab050ee85bd232cbef889be39a96af988f07186825f0eaada32a3", kill_on_drop: false }`
[INFO] [stdout] 2702e8687f3ab050ee85bd232cbef889be39a96af988f07186825f0eaada32a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36a40f849ff71d768e41264a8949d5de5238f21812834df3ac4ac760b30c1fc4
[INFO] running `Command { std: "docker" "start" "-a" "36a40f849ff71d768e41264a8949d5de5238f21812834df3ac4ac760b30c1fc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling openssl v0.10.60
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-io v0.3.29
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling http v0.2.11
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling iana-time-zone v0.1.58
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling mio v0.8.9
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling openssl-sys v0.9.96
[INFO] [stderr]    Compiling tokio v1.34.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling ctrlc v3.4.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling h2 v0.3.22
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper v0.14.27
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.22
[INFO] [stderr]    Compiling festive-bot v1.1.0 (/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` (bin "festive-bot") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "36a40f849ff71d768e41264a8949d5de5238f21812834df3ac4ac760b30c1fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a40f849ff71d768e41264a8949d5de5238f21812834df3ac4ac760b30c1fc4", kill_on_drop: false }`
[INFO] [stdout] 36a40f849ff71d768e41264a8949d5de5238f21812834df3ac4ac760b30c1fc4
