[INFO] fetching crate hsc 0.1.8...
[INFO] testing hsc-0.1.8 against 1.90.0 for beta-1.91-3
[INFO] extracting crate hsc 0.1.8 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate hsc 0.1.8
[INFO] finished tweaking crates.io crate hsc 0.1.8
[INFO] tweaked toml for crates.io crate hsc 0.1.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hsc 0.1.8 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 hsc 0.1.8 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cmdv v0.1.11
[INFO] [stderr]   Downloaded ifs v0.1.44
[INFO] [stderr]   Downloaded const-str v0.5.7
[INFO] [stderr]   Downloaded cget v0.1.5
[INFO] [stderr]   Downloaded ed25519-dalek v2.1.1
[INFO] [stderr]   Downloaded current_platform v0.2.0
[INFO] [stderr]   Downloaded genv v0.1.15
[INFO] [stderr]   Downloaded static_init_macro v1.0.2
[INFO] [stderr]   Downloaded aok v0.1.15
[INFO] [stderr]   Downloaded pipe v0.4.0
[INFO] [stderr]   Downloaded loginit v0.1.13
[INFO] [stderr]   Downloaded blake3 v1.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 79af5dcb964b9a551ba1ec8a94073a46ee5eb62bbbd2c4635a8035f319a8aa49
[INFO] running `Command { std: "docker" "start" "-a" "79af5dcb964b9a551ba1ec8a94073a46ee5eb62bbbd2c4635a8035f319a8aa49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79af5dcb964b9a551ba1ec8a94073a46ee5eb62bbbd2c4635a8035f319a8aa49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79af5dcb964b9a551ba1ec8a94073a46ee5eb62bbbd2c4635a8035f319a8aa49", kill_on_drop: false }`
[INFO] [stdout] 79af5dcb964b9a551ba1ec8a94073a46ee5eb62bbbd2c4635a8035f319a8aa49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0819164f7d186187b3cc3d7cc4e7478730f3a489ddf59bf578edf681cb87995b
[INFO] running `Command { std: "docker" "start" "-a" "0819164f7d186187b3cc3d7cc4e7478730f3a489ddf59bf578edf681cb87995b", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling static_init_macro v1.0.2
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling cc v1.1.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling static_init v1.0.3
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling current_platform v0.2.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling clap_builder v4.5.20
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling ed25519 v2.2.3
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling const-str v0.5.7
[INFO] [stderr]    Compiling cget v0.1.5
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling aok v0.1.15
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling blake3 v1.5.4
[INFO] [stderr]    Compiling pipe v0.4.0
[INFO] [stderr]    Compiling clap v4.5.20
[INFO] [stderr]    Compiling cmdv v0.1.11
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling tokio v1.40.0
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling xerr v0.1.15
[INFO] [stderr]    Compiling genv v0.1.15
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ed25519-dalek v2.1.1
[INFO] [stderr]    Compiling ifs v0.1.44
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ifs-0.1.44/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ifs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0819164f7d186187b3cc3d7cc4e7478730f3a489ddf59bf578edf681cb87995b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0819164f7d186187b3cc3d7cc4e7478730f3a489ddf59bf578edf681cb87995b", kill_on_drop: false }`
[INFO] [stdout] 0819164f7d186187b3cc3d7cc4e7478730f3a489ddf59bf578edf681cb87995b