[INFO] fetching crate starry-api 0.1.0...
[INFO] testing starry-api-0.1.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate starry-api 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate starry-api 0.1.0
[INFO] finished tweaking crates.io crate starry-api 0.1.0
[INFO] tweaked toml for crates.io crate starry-api 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate starry-api 0.1.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate starry-api 0.1.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f0ce4d9572f2d0d3e71526e7f4a7a4e8da3b9d0ae1d345422a585d4f9345e80d
[INFO] running `Command { std: "docker" "start" "f0ce4d9572f2d0d3e71526e7f4a7a4e8da3b9d0ae1d345422a585d4f9345e80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0ce4d9572f2d0d3e71526e7f4a7a4e8da3b9d0ae1d345422a585d4f9345e80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f0ce4d9572f2d0d3e71526e7f4a7a4e8da3b9d0ae1d345422a585d4f9345e80d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0ce4d9572f2d0d3e71526e7f4a7a4e8da3b9d0ae1d345422a585d4f9345e80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f0ce4d9572f2d0d3e71526e7f4a7a4e8da3b9d0ae1d345422a585d4f9345e80d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling axerrno v0.2.2
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling clap_lex v0.7.7
[INFO] [stderr]    Compiling memory_addr v0.4.1
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling const_fn v0.4.11
[INFO] [stderr]    Compiling percpu v0.2.2
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling linkme-impl v0.3.35
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling linkme v0.3.35
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling axconfig v0.2.2-preview.1
[INFO] [stderr]    Compiling lazyinit v0.2.2
[INFO] [stderr]    Compiling clap_builder v4.5.57
[INFO] [stderr]    Compiling bitmaps v3.2.1
[INFO] [stderr]    Compiling const-default v1.0.0
[INFO] [stderr]    Compiling buddy_system_allocator v0.10.0
[INFO] [stderr]    Compiling heapless v0.9.2
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling ax_slab_allocator v0.3.2-preview.1
[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-1949cf8c6b5b557f/ax_slab_allocator-0.3.2-preview.1/src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling axbacktrace v0.1.1
[INFO] [stderr]    Compiling bitmap-allocator v0.2.1
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling axdriver_base v0.1.4-preview.3
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling const-str v0.6.4
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ax_slab_allocator` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f0ce4d9572f2d0d3e71526e7f4a7a4e8da3b9d0ae1d345422a585d4f9345e80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ce4d9572f2d0d3e71526e7f4a7a4e8da3b9d0ae1d345422a585d4f9345e80d", kill_on_drop: false }`
[INFO] [stdout] f0ce4d9572f2d0d3e71526e7f4a7a4e8da3b9d0ae1d345422a585d4f9345e80d
