[INFO] fetching crate tuifw-window 0.11.0...
[INFO] documenting tuifw-window-0.11.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate tuifw-window 0.11.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate tuifw-window 0.11.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tuifw-window 0.11.0
[INFO] finished tweaking crates.io crate tuifw-window 0.11.0
[INFO] tweaked toml for crates.io crate tuifw-window 0.11.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate tuifw-window 0.11.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 syn v1.0.95
[INFO] [stderr]   Downloaded indoc v1.0.6
[INFO] [stderr]   Downloaded num-integer v0.1.45
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded quote v1.0.18
[INFO] [stderr]   Downloaded paste v1.0.7
[INFO] [stderr]   Downloaded dyn-context v0.17.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded serde v1.0.137
[INFO] [stderr]   Downloaded toml v0.5.9
[INFO] [stderr]   Downloaded num-bigint v0.4.3
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.3
[INFO] [stderr]   Downloaded synstructure v0.12.6
[INFO] [stderr]   Downloaded unicode-xid v0.2.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.31
[INFO] [stderr]   Downloaded thiserror v1.0.31
[INFO] [stderr]   Downloaded rustc-demangle v0.1.21
[INFO] [stderr]   Downloaded try_match_inner v0.4.0
[INFO] [stderr]   Downloaded rand v0.8.5
[INFO] [stderr]   Downloaded components-arena v3.0.1
[INFO] [stderr]   Downloaded object v0.28.4
[INFO] [stderr]   Downloaded dyn-context-macro v0.0.4
[INFO] [stderr]   Downloaded phantom-type v0.4.1
[INFO] [stderr]   Downloaded tuifw-screen v0.11.0
[INFO] [stderr]   Downloaded components-arena-traits v1.0.0
[INFO] [stderr]   Downloaded gimli v0.26.1
[INFO] [stderr]   Downloaded single v1.0.0
[INFO] [stderr]   Downloaded generics v0.4.3
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded backtrace v0.3.65
[INFO] [stderr]   Downloaded try_match v0.3.0
[INFO] [stderr]   Downloaded addr2line v0.17.0
[INFO] [stderr]   Downloaded miniz_oxide v0.5.1
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.4
[INFO] [stderr]   Downloaded version_check v0.9.4
[INFO] [stderr]   Downloaded educe v0.4.19
[INFO] [stderr]   Downloaded enum-ordinalize v3.1.11
[INFO] [stderr]   Downloaded tuifw-screen-test v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12d0317a386e148c21574f2a5ae4e275604d73cf1324dcd8c215c6dd62a4f1de
[INFO] running `Command { std: "docker" "start" "-a" "12d0317a386e148c21574f2a5ae4e275604d73cf1324dcd8c215c6dd62a4f1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12d0317a386e148c21574f2a5ae4e275604d73cf1324dcd8c215c6dd62a4f1de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d0317a386e148c21574f2a5ae4e275604d73cf1324dcd8c215c6dd62a4f1de", kill_on_drop: false }`
[INFO] [stdout] 12d0317a386e148c21574f2a5ae4e275604d73cf1324dcd8c215c6dd62a4f1de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54c3f28653b4555f80c042e06f24156b68f2d1ceb3dbca0e0b93099290d86d7e
[INFO] running `Command { std: "docker" "start" "-a" "54c3f28653b4555f80c042e06f24156b68f2d1ceb3dbca0e0b93099290d86d7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking generics v0.4.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking enum-derive-2018 v2.0.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking panicking v0.1.0
[INFO] [stderr]    Compiling indoc v1.0.6
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking components-arena-traits v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[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-1.0.0/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" "54c3f28653b4555f80c042e06f24156b68f2d1ceb3dbca0e0b93099290d86d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c3f28653b4555f80c042e06f24156b68f2d1ceb3dbca0e0b93099290d86d7e", kill_on_drop: false }`
[INFO] [stdout] 54c3f28653b4555f80c042e06f24156b68f2d1ceb3dbca0e0b93099290d86d7e