[INFO] fetching crate platform-mem 0.1.0-pre+beta.2...
[INFO] testing platform-mem-0.1.0-pre+beta.2 against 1.91.0 for beta-1.92-2
[INFO] extracting crate platform-mem 0.1.0-pre+beta.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate platform-mem 0.1.0-pre+beta.2
[INFO] finished tweaking crates.io crate platform-mem 0.1.0-pre+beta.2
[INFO] tweaked toml for crates.io crate platform-mem 0.1.0-pre+beta.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate platform-mem 0.1.0-pre+beta.2 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding memmap2 v0.5.10 (available: v0.9.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded platform-num v0.1.0-aplha.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 812869e6195a6ade5a8ea943324c1e7857c9da13852cdb5b9862a57e78cc20a8
[INFO] running `Command { std: "docker" "start" "-a" "812869e6195a6ade5a8ea943324c1e7857c9da13852cdb5b9862a57e78cc20a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "812869e6195a6ade5a8ea943324c1e7857c9da13852cdb5b9862a57e78cc20a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812869e6195a6ade5a8ea943324c1e7857c9da13852cdb5b9862a57e78cc20a8", kill_on_drop: false }`
[INFO] [stdout] 812869e6195a6ade5a8ea943324c1e7857c9da13852cdb5b9862a57e78cc20a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 339b97b5e28ebded45d4a8c0f4dafcc43ba29dce0e48b51ccf7933231aeb7cfc
[INFO] running `Command { std: "docker" "start" "-a" "339b97b5e28ebded45d4a8c0f4dafcc43ba29dce0e48b51ccf7933231aeb7cfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling platform-num v0.1.0-aplha.1
[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/platform-num-0.1.0-aplha.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(step_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/platform-num-0.1.0-aplha.1/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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 `platform-num` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "339b97b5e28ebded45d4a8c0f4dafcc43ba29dce0e48b51ccf7933231aeb7cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339b97b5e28ebded45d4a8c0f4dafcc43ba29dce0e48b51ccf7933231aeb7cfc", kill_on_drop: false }`
[INFO] [stdout] 339b97b5e28ebded45d4a8c0f4dafcc43ba29dce0e48b51ccf7933231aeb7cfc
