[INFO] fetching crate linux-support 0.0.25...
[INFO] documenting linux-support-0.0.25 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate linux-support 0.0.25 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate linux-support 0.0.25 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linux-support 0.0.25
[INFO] finished tweaking crates.io crate linux-support 0.0.25
[INFO] tweaked toml for crates.io crate linux-support 0.0.25 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded terminate v0.2.1
[INFO] [stderr]   Downloaded likely v0.2.0
[INFO] [stderr]   Downloaded swiss-army-knife v0.0.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b057f38e58a523e4cfa613f16a92e017a453dcec6625b727cbdc2dba25ee68f8
[INFO] running `Command { std: "docker" "start" "-a" "b057f38e58a523e4cfa613f16a92e017a453dcec6625b727cbdc2dba25ee68f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b057f38e58a523e4cfa613f16a92e017a453dcec6625b727cbdc2dba25ee68f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b057f38e58a523e4cfa613f16a92e017a453dcec6625b727cbdc2dba25ee68f8", kill_on_drop: false }`
[INFO] [stdout] b057f38e58a523e4cfa613f16a92e017a453dcec6625b727cbdc2dba25ee68f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9801824794fb06fc85f956b369f413ca9606b68e0ee9e8e306b253552b7ac471
[INFO] running `Command { std: "docker" "start" "-a" "9801824794fb06fc85f956b369f413ca9606b68e0ee9e8e306b253552b7ac471", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking likely v0.2.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking terminate v0.2.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking const_fn_assert v0.1.2
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking streaming-iterator v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking raw-cpuid v9.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/terminate-0.2.1/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(backtrace)]
[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 `terminate` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9801824794fb06fc85f956b369f413ca9606b68e0ee9e8e306b253552b7ac471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9801824794fb06fc85f956b369f413ca9606b68e0ee9e8e306b253552b7ac471", kill_on_drop: false }`
[INFO] [stdout] 9801824794fb06fc85f956b369f413ca9606b68e0ee9e8e306b253552b7ac471
