[INFO] fetching crate tuifw-window 0.21.1...
[INFO] testing tuifw-window-0.21.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate tuifw-window 0.21.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate tuifw-window 0.21.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tuifw-window 0.21.1
[INFO] finished tweaking crates.io crate tuifw-window 0.21.1
[INFO] tweaked toml for crates.io crate tuifw-window 0.21.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate tuifw-window 0.21.1 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iter-identify_first_last v0.1.0
[INFO] [stderr]   Downloaded educe v0.4.20
[INFO] [stderr]   Downloaded phantom-type v0.4.2
[INFO] [stderr]   Downloaded generics v0.4.4
[INFO] [stderr]   Downloaded tuifw-screen-winapi v0.21.1
[INFO] [stderr]   Downloaded tuifw-screen-dos v0.21.1
[INFO] [stderr]   Downloaded int-vec-2d v0.1.1
[INFO] [stderr]   Downloaded tuifw-screen-base v0.21.1
[INFO] [stderr]   Downloaded macro-attr-2018 v2.1.2
[INFO] [stderr]   Downloaded errno-sys v0.1.0
[INFO] [stderr]   Downloaded pc-ints v0.3.2
[INFO] [stderr]   Downloaded components-arena-traits v1.1.0
[INFO] [stderr]   Downloaded composable-allocators v0.2.3
[INFO] [stderr]   Downloaded components-arena v3.5.0
[INFO] [stderr]   Downloaded tuifw-screen-ncurses v0.21.1
[INFO] [stderr]   Downloaded enum-derive-2018 v2.0.1
[INFO] [stderr]   Downloaded errno-no-std v0.1.5
[INFO] [stderr]   Downloaded exit-no-std v0.2.0
[INFO] [stderr]   Downloaded tuifw-screen v0.21.1
[INFO] [stderr]   Downloaded panicking v0.4.0
[INFO] [stderr]   Downloaded dos-cp v0.4.0
[INFO] [stderr]   Downloaded tuifw-screen-test v0.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33c332215bd91825d844e6dd3837984985dd2fcc57edb7ca4e29adcbc73d6dbe
[INFO] running `Command { std: "docker" "start" "-a" "33c332215bd91825d844e6dd3837984985dd2fcc57edb7ca4e29adcbc73d6dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33c332215bd91825d844e6dd3837984985dd2fcc57edb7ca4e29adcbc73d6dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c332215bd91825d844e6dd3837984985dd2fcc57edb7ca4e29adcbc73d6dbe", kill_on_drop: false }`
[INFO] [stdout] 33c332215bd91825d844e6dd3837984985dd2fcc57edb7ca4e29adcbc73d6dbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65cf08d2b4ecfe218063079670d144d3c80f4c6fbd801bb5266fc554ccfc7d7e
[INFO] running `Command { std: "docker" "start" "-a" "65cf08d2b4ecfe218063079670d144d3c80f4c6fbd801bb5266fc554ccfc7d7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]    Compiling macro-attr-2018 v2.1.2
[INFO] [stderr]    Compiling enum-derive-2018 v2.0.1
[INFO] [stderr]    Compiling generics v0.4.4
[INFO] [stderr]    Compiling components-arena-traits v1.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/components-arena-traits-1.1.0/src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature="nightly", feature(const_trait_impl))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `components-arena-traits` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "65cf08d2b4ecfe218063079670d144d3c80f4c6fbd801bb5266fc554ccfc7d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65cf08d2b4ecfe218063079670d144d3c80f4c6fbd801bb5266fc554ccfc7d7e", kill_on_drop: false }`
[INFO] [stdout] 65cf08d2b4ecfe218063079670d144d3c80f4c6fbd801bb5266fc554ccfc7d7e
