[INFO] fetching crate tackler 0.2.0...
[INFO] testing tackler-0.2.0 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate tackler 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate tackler 0.2.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tackler 0.2.0
[INFO] finished tweaking crates.io crate tackler 0.2.0
[INFO] tweaked toml for crates.io crate tackler 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate tackler 0.2.0 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c74a05fc54630a0363acc90d75ef40a07f4ea995a62f9b92486338ddda22cbcf
[INFO] running `Command { std: "docker" "start" "-a" "c74a05fc54630a0363acc90d75ef40a07f4ea995a62f9b92486338ddda22cbcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c74a05fc54630a0363acc90d75ef40a07f4ea995a62f9b92486338ddda22cbcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c74a05fc54630a0363acc90d75ef40a07f4ea995a62f9b92486338ddda22cbcf", kill_on_drop: false }`
[INFO] [stdout] c74a05fc54630a0363acc90d75ef40a07f4ea995a62f9b92486338ddda22cbcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78452da18b63ccb6897beb624e04e2136b7402f26232526446c01e840528c410
[INFO] running `Command { std: "docker" "start" "-a" "78452da18b63ccb6897beb624e04e2136b7402f26232526446c01e840528c410", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tackler v0.2.0 (/opt/rustwide/workdir)
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[INFO] [stderr]    Compiling gix-revision v0.12.2
[INFO] [stderr]    Compiling gix-index v0.15.1
[INFO] [stderr]    Compiling gix-pack v0.33.2
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[INFO] [stderr]    Compiling gix-worktree v0.15.2
[INFO] [stderr]    Compiling gix-config v0.20.1
[INFO] [stderr]    Compiling gix-discover v0.16.2
[INFO] [stderr]    Compiling gix-odb v0.43.1
[INFO] [stderr]    Compiling gix v0.43.1
[INFO] [stderr]    Compiling chrono v0.4.24
[INFO] [stderr]    Compiling uuid v1.3.0
[INFO] [stderr]    Compiling serde_regex v1.1.0
[INFO] [stderr]    Compiling tackler-api v0.2.0
[INFO] [stderr]    Compiling tackler-core v0.2.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tackler-core-0.2.0/src/lib.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(hash_raw_entry)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[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/index.crates.io-6f17d22bba15001f/tackler-core-0.2.0/src/lib.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![feature(is_some_and)]
[INFO] [stdout]    |            ^^^^^^^^^^^
[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 `tackler-core` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "78452da18b63ccb6897beb624e04e2136b7402f26232526446c01e840528c410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78452da18b63ccb6897beb624e04e2136b7402f26232526446c01e840528c410", kill_on_drop: false }`
[INFO] [stdout] 78452da18b63ccb6897beb624e04e2136b7402f26232526446c01e840528c410
