[INFO] fetching crate cloudlog-adifwatch 0.0.20...
[INFO] testing cloudlog-adifwatch-0.0.20 against 1.90.0 for beta-1.91-3
[INFO] extracting crate cloudlog-adifwatch 0.0.20 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate cloudlog-adifwatch 0.0.20
[INFO] finished tweaking crates.io crate cloudlog-adifwatch 0.0.20
[INFO] tweaked toml for crates.io crate cloudlog-adifwatch 0.0.20 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cloudlog-adifwatch 0.0.20 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cloudlog-adifwatch 0.0.20 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ureq-proto v0.3.3
[INFO] [stderr]   Downloaded once_cell v1.21.0
[INFO] [stderr]   Downloaded ureq v3.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 711065ef683339d89bf61302f314c9fdcc1a7685a4ce71dc3213715887ebaf51
[INFO] running `Command { std: "docker" "start" "-a" "711065ef683339d89bf61302f314c9fdcc1a7685a4ce71dc3213715887ebaf51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "711065ef683339d89bf61302f314c9fdcc1a7685a4ce71dc3213715887ebaf51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "711065ef683339d89bf61302f314c9fdcc1a7685a4ce71dc3213715887ebaf51", kill_on_drop: false }`
[INFO] [stdout] 711065ef683339d89bf61302f314c9fdcc1a7685a4ce71dc3213715887ebaf51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2619162a959b519bfb4de14b1cff05681c9fd5c3ffda6491c54a762202cc96ae
[INFO] running `Command { std: "docker" "start" "-a" "2619162a959b519bfb4de14b1cff05681c9fd5c3ffda6491c54a762202cc96ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling cc v1.2.16
[INFO] [stderr]    Compiling rustls-pki-types v1.11.0
[INFO] [stderr]    Compiling log v0.4.26
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[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling quote v1.0.39
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[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling once_cell v1.21.0
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling rustls-native-certs v0.7.3
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[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling rustls-platform-verifier v0.3.4
[INFO] [stderr]    Compiling ureq v3.0.8
[INFO] [stderr]    Compiling cloudlog-adifwatch v0.0.20 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(
[INFO] [stdout] 2 | |     maybe_uninit_slice,
[INFO] [stdout] 3 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `slice_assume_init_mut` found for union `MaybeUninit` in the current scope
[INFO] [stdout]   --> src/main.rs:69:36
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let tail = unsafe { MaybeUninit::slice_assume_init_mut(self.buffer.spare_capacity_mut()) };
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/mem/maybe_uninit.rs:307:5
[INFO] [stdout] help: there is a method `assume_init_mut` with a similar name, but with different arguments
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/mem/maybe_uninit.rs:900:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cloudlog-adifwatch` (bin "cloudlog-adifwatch") due to 2 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2619162a959b519bfb4de14b1cff05681c9fd5c3ffda6491c54a762202cc96ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2619162a959b519bfb4de14b1cff05681c9fd5c3ffda6491c54a762202cc96ae", kill_on_drop: false }`
[INFO] [stdout] 2619162a959b519bfb4de14b1cff05681c9fd5c3ffda6491c54a762202cc96ae