[INFO] fetching crate tuifw-screen-winapi 0.26.0...
[INFO] testing tuifw-screen-winapi-0.26.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate tuifw-screen-winapi 0.26.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate tuifw-screen-winapi 0.26.0
[INFO] finished tweaking crates.io crate tuifw-screen-winapi 0.26.0
[INFO] tweaked toml for crates.io crate tuifw-screen-winapi 0.26.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tuifw-screen-winapi 0.26.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to highest compatible versions
[INFO] [stderr]       Adding panicking v0.5.0 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-derive-2018 v3.0.2
[INFO] [stderr]   Downloaded tuifw-screen-base v0.26.0
[INFO] [stderr]   Downloaded macro-attr-2018 v3.0.1
[INFO] [stderr]   Downloaded int-vec-2d v0.1.5
[INFO] [stderr]   Downloaded panicking v0.5.0
[INFO] [stderr]   Downloaded const-default-derive v0.2.0
[INFO] [stderr]   Downloaded print-no-std v0.3.0
[INFO] [stderr]   Downloaded composable-allocators v0.3.5
[INFO] [stderr]   Downloaded sync-no-std v0.1.5
[INFO] [stderr]   Downloaded panicking v0.7.0
[INFO] [stderr]   Downloaded pc-ints v0.4.0
[INFO] [stderr]   Downloaded errno-no-std v0.2.2
[INFO] [stderr]   Downloaded errno-sys v0.2.0
[INFO] [stderr]   Downloaded iter-identify_first_last v0.2.3
[INFO] [stderr]   Downloaded exit-no-std v0.3.0
[INFO] [stderr]   Downloaded dos-cp v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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] d165c6f935ed007e9105617edb005cebc8d266d24e7a086a6c42813245e1aa56
[INFO] running `Command { std: "docker" "start" "d165c6f935ed007e9105617edb005cebc8d266d24e7a086a6c42813245e1aa56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d165c6f935ed007e9105617edb005cebc8d266d24e7a086a6c42813245e1aa56", 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" "d165c6f935ed007e9105617edb005cebc8d266d24e7a086a6c42813245e1aa56" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d165c6f935ed007e9105617edb005cebc8d266d24e7a086a6c42813245e1aa56", 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" "d165c6f935ed007e9105617edb005cebc8d266d24e7a086a6c42813245e1aa56" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.14
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling macro-attr-2018 v3.0.1
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling panicking v0.7.0
[INFO] [stderr]    Compiling const-default v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling sync-no-std v0.1.5
[INFO] [stderr]    Compiling cc v1.6.0
[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-1949cf8c6b5b557f/sync-no-std-0.1.5/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[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 `sync-no-std` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d165c6f935ed007e9105617edb005cebc8d266d24e7a086a6c42813245e1aa56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d165c6f935ed007e9105617edb005cebc8d266d24e7a086a6c42813245e1aa56", kill_on_drop: false }`
[INFO] [stdout] d165c6f935ed007e9105617edb005cebc8d266d24e7a086a6c42813245e1aa56
